SACRUS

Chantal offshore - next boundary into PA

Ridge into the east (Euro is similar/stonger to the gfs) Some strong heat more widespread may come in 48-72 hour shots once to 7/15 and beyond

Slow moving Miami Style storms sunny to rain to sun later and continued wet/storms potential the next week.

Records: Highs: EWR: 105 (1993) NYC: 100 (1993) LGA: 99 (1994) JFK: 97 (1971) New Brnswck: 101 (2010) Lows: EWR: 56 (1948) NYC: 56 (1894) LGA: 60 (1984) JFK: 59 (2018) New Brnswck: 51 (1979) Historical: 1680: The first confirmed tornado death in the United States occurred in Cambridge, Massachusetts. The funnel was filled with, stones, bushes, and other things. The tornado also unroofed a barn and snapped many large trees. 1788: Hail piled up to a depth of 34 inches at Canterbury, CT. The melting ice caused significant flooding. (Ref. Wilson Wx. History) 1816 - Frost was reported in low places throughout New England. (David Ludlum) 1886: Sleepy Eye, Minnesota: Nearly every home in the small community are moved off its foundation by the severe thunderstorms which come in the night. Across Swift and Brown Counties, the storms produce high winds and intense hail. (Ref. WxDoctor) 1916: The remnants of the July 5th hurricane that struck the Gulf Coast drifted north and east near Birmingham, AL. The Magic City received 8.84 inches of rain in 24 hours, which is their all-time record. Another hurricane would make landfall near Pensacola, FL later in the month and dump more heavy rain on Birmingham, where the monthly rainfall total reached 20.16 inches, a monthly record that still stands. (Ref. Wilson Wx. History) 1936: The greatest heat wave on record gets underway across Michigan. Grand Rapids saw high temperatures at or above 100° on six of the next seven days, including an all-time record high of 108° on the 13th. Lansing, MI maximum temperature was 101° on the 14th. Temperatures soared to 105° at Toronto, Ontario Canada on three consecutive days through the 10th. (Ref. Wilson Wx. History) 1950 - The town of York, NE, was deluged with 13.15 inches of rain in 24 hours to establish a state record. (The Weather Channel) 1975 - Three people were killed and six others were injured when lightning struck a walnut tree near Mayo, FL. The nine people were stringing tobacco under a tin shed when the bolt hit the nearby tree. (The Weather Channel) 1984: Cool Canadian air settled in across the Great Lakes region. Many record low temperatures were set including: Alpena, MI: 38°, Youngstown, OH: 44°, Muskegon, MI: 45°, Cleveland, OH: 45°, Detroit, MI: 45°, Pittsburgh, PA: 45°, Grand Rapids, MI: 46°, South Bend, IN: 47°, Buffalo, NY: 47°, Chicago, IL: 48°, Columbus, OH: 49°, Dayton, OH: 49°, Erie, PA: 50°, Indianapolis, IN: 51° and Cincinnati, OH: 51°. (Ref. Wilson Wx. History) 1987 - Thunderstorms in the central U.S. produced wind gusts to 90 mph at Waterloo, IA, 6.38 inches of rain at Tescott, KS, and twenty-five minutes of ping-pong ball size hail at Drummond, OK. (The National Weather Summary) (Storm Data) 1988 - Thirty cities in the north central and northeastern U.S. reported record high temperatures for the date. Beckley, WV, equalled their all-time record with a high of 93 degrees. Afternoon and evening thunderstorms spawned seven tornadoes in Adams and Logan counties of eastern Colorado, and hail caused 2.3 million dollars damage in Adams, Logan and Washington counties. (The National Weather Summary) (Storm Data) 1989 - Sixteen cities in the central and western U.S. reported record high temperatures for the date. The high of 103 degrees at Denver, CO, equalled their record for July, and a 110 degree reading at Rapid City, SD, equalled their all-time record high. Denver reported a record five straight days of 100 degree heat, and Scottsbluff, NE, reported a record eight days in a row of 100 degree weather. (The National Weather Summary) 1991: DCA high temperature was 97° - severe thunderstorms with winds to 62 mph; 0.95 rain in only 15 minutes and one-inch hail in parts of Northern Virginia. (Ref. Washington Weather Records - KDCA) 1992: Severe thunderstorms produced a very long downburst at Concordia, KS. Peak one minute sustained winds reached 108 mph at Concordia Airport and exceeded 60 mph for over 20 minutes. Six people were injured and damage was estimated at $25 million dollars. (Ref. Wilson Wx. History) 1993: New record high temperature was recorded at DCA of 100° and a minimum of 78°. The old record was 98° set in 1890. (Ref. Washington Weather Records - KDCA) 1993: Iowa: A wild weather night in the middle of the Great Flood of 1993 across Iowa as the State records its 37th day of rain in the last 40 days. Many tornado sightings reported. Manilla, Iowa records 7.5 inches of rain; 7.83 inches in Jefferson. Massive flooding rocked portions of eastern South Dakota. Residents were cleaning up from tremendous flooding which occurred from July 3rd to July 7th. Flash flooding resulted from thunderstorms which moved across southeast South Dakota dumping 3 to 6 inch rains on already saturated ground. (Ref. WxDoctor) (Ref. More Information on This Storm) 1999: One of the worst flash flood events in Las Vegas, NV history occurred on this date damaging roads and buildings, sweeping away vehicles and bringing the entire city almost to a standstill from late morning through late afternoon. Thunderstorms formed over the elevated west side of the valley and began dumping heavy rain between 10 and 11 AM PDT. The storms slowly drifted to the east producing rainfall amounts over 1.5 inches across a substantial part of the metro area and some localized amounts topping 3 inches. Electricity was knocked out for a few hours to 2,500 customers and some gas lines were broken by the force of the water. An estimated $25 million dollars in damage occurred to both public and private property. On July 20th, President Clinton declared the event a federal disaster. (Ref. Wilson Wx. History) 2003: What may be the world's highest dew point temperature was recorded at Dhahran, Saudi Arabia, in the Persian Gulf. A dew point of 95 degrees was recorded at 3 PM while the air temperature was 108 degrees. The apparent temperature at that time would have been 172 degrees. 2006: In Tonopah, Nevada a man and his son stepped out of their pickup truck to check the tires. Lightning struck, killing the boy and throwing the father to the ground. The boy's mother and sister were in the pickup and were not hurt. (Weather Guide Calendar with Phenomenal Weather Events 2007 Accord Publishing, USA) 2008: A strong microburst produced straight line wind damage in the Hurricane Deck and Osage Beach areas of Camden County in central Missouri. The winds were estimated at 80 to 90 mph and did extensive damage to docks and boats in the area. (Ref. Wilson Wx. History) 2009: A tornado passed through the city of Dickinson, ND, on the far south side, mainly just south of the Heart River. From their eye witness accounts, and from video obtained by the Dickinson Police Department, it is likely that this was a rain-wrapped tornado, and very difficult if not impossible to see. The tornado occurred before sunset, yet it was described as being as dark as night during the event. Over 450 structures were damaged, of which nearly 100 were declared completely destroyed or beyond repair. Numerous vehicles were damaged or destroyed, some were on their roofs. From that it was determined that peak wind speeds in the tornado were on the order of 150 mph. (Ref. Wilson Wx. History)

80 / 73. Hot / humid with scattered storms later today. More of the same tomorrow, with a more widespread rain/storms on Thursday into Friday. Overall warm - hot / humid and wetter pattern with hotter expansion by mid month. as ridge builds heighets east 7/8 - 7/9 : Hot / humid 90s, scattered storms - rain hvy isolated 7/10 - 7/14 : Warm- and humid overall wetter 7/15 - beyond : Hotter

Highs: PHL: 91 EWR: 91 TTN: 90 New Brnswck: 89 TEB: 88 JFK: 87 LGA: 87 NYC: 87 ACY: 86 BLM: 86 * ISP: 84

Highs: PHL: 91 EWR: 91 TTN: 90 New Brnswck: 89 TEB: 88 JFK: 87 LGA: 87 NYC: 87 ACY: 86 BLM: 86 * ISP: 84

I think there will be scattered storms potential both tue and wed (especially later wed)

87 / 75

Not much breaks in the clouds today - more sun tue/wed and heat advisories may be needed with the dew point temps in the mid 70s both days.

Records: Highs: EWR: 103 (1993) NYC: 100 (2010) LGA: 101 (2010) JFK: 100 (2010) Lows: EWR: 57 (1940) NYC: 56 (1914) LGA: 59 (1972) JFK: 56 (1965) Historical: 1892: Record high barometer of 30.52 inches was observed in Washington, DC. (Ref. Washington Weather Records - KDCA) 1892: Boston, Massachusetts recorded its highest pressure 30.51 inches of mercury for the month of July. (Ref. NOAA Boston Weather Events) 1905: The mercury soared to 127 degrees at Parker, Arizona to tie the state record established at Fort Mohave on the 15th of June in 1896. The current record for Arizona is 128 degrees set in Lake Havasu City on 6-29-1994. 1915 - A severe wind and thunderstorm caused heavy damage and 38 deaths in and near Cincinnati, OH. Many older buildings were demolished. The steamship Dick Fulton was overturned. (The Weather Channel) 1974: Shields, ND --a man was struck and killed by lightning while working in a hayfield. (Ref. Lightning-The Underrated Killer.pdf) 1981 - Montana was in the midst of a snowstorm that dumped ten inches at Glacier National Park, and produced winds to 90 mph. Meanwhile, Denver, CO, set a record high with a reading of 101 degrees. (The Weather Channel) 1984: A 90 foot excursion boat carrying employees of the SCI Corporation on an outing capsized during a severe thunderstorm on the Tennessee River near Huntsville, AL, killing 11 people. The disaster was caused by a microburst. (Ref. Wilson Wx. History) 1987 - Thunderstorms spawned eight tornadoes in Colorado, and three in West Texas. Thunderstorms also produced softball size hail at Bula, TX. In the midst of a record thirty-nine day string of 100 degree days, the temperature at Tucson, AZ, dipped to 66 degrees, marking their third straight record low for the date. (The National Weather Summary) (Storm Data) 1988 - Thirty-eight cities in the north central and northeastern U.S. reported record low temperatures for the date. Youngstown, OH, hit 100 degrees, and for the second day in a row, Flint, MI, reached 101 degrees, equalling all-time records for those two cities. (The National Weather Summary) 1989 - Thunderstorms produced severe weather during the day, with more than 100 reports of large hail and damaging winds from Ohio to Massachusetts and New Hampshire. Thunderstorm winds reached 90 mph in Sullivan County, NH, and golf ball size hail was reported in Pennsylvania. Twenty-four cities, mostly in the southwestern U.S., reported record high temperatures for the date. Afternoon highs of 105 degrees at Cedar City, UT, and 114 degrees at Moab, UT, were all-time records for those locations. (Storm Data) (The National Weather Summary) 1991: During the early daylight hours of Sunday, July 7, 1991, a bow echo developed over southeast South Dakota and began racing east, producing very damaging winds. This bow echo was the start of a long-lived derecho that lasted 17 hours and affected areas from the Great Plains into western New York and Pennsylvania. Wind gusts in some places reached 80 to 100 mph. The strongest gust, 103 mph, was measured at Sioux Center, Iowa around mid-morning, and the roof of a school was blown off in nearby Orange City. 1991: July 7-8, 1991..."The Southern Great Lakes Derecho of 1991" States that were affected --- ....SD, IA, MN, WI, MI, IN, OH, ON, NY, PA Tornadoes struck across southern Lower Michigan. More damage occurred near Okemos in Ingham County and a home and some outbuildings were damaged as a tornado moved northeast of Rockford in Kent County. A tornado also briefly touched down northwest of Plainwell in Allegan County but did no damage. Overall, $30 million dollars in damage resulted with wind gusts over 85 mph. Over 850,000 people were without electricity following the storms; some for up to a week.(Ref. For More Information) 1993: The day after lightning started several fires, strong non-thunderstorm winds blew across much of northern Oklahoma. Winds gusted to 70 mph and lasted for several hours. A 1,200 pound bale of hay was rolled a quarter mile by the winds that also blew down many trees. Highway 51, near Hennessey, was closed until the downed trees could be cleaned up. When clusters of thunderstorms collapse and dissipate rapidly, they sometimes produce a downburst of very warm air, called a "heat burst ". A collapsing thunderstorm in the northeast part of the Texas Panhandle produced a heat burst that reached Arnett and Gage, OK just before midnight. Winds gusted to 67 mph at Arnett, as the temperature rose from 82° to 97° in 30 minutes. At Gage, the wind gusted to 70 mph, while the temperature rose from 85° to 102° in one hour. (Ref. Wilson Wx. History) 2010: BWI recorded record high temperatures on 4 days: 6th (105 °F), 7th (101 °F), 24th (101 °F) and 25th (100 °F). DCA soared to a record 102 °F on the 7th and 101 °F on the 24th. Ref. July PRESTO Page 1

78 / 74 mainly cloudy with spotty sun. Clouds in the way of 90 today for most, Chantal's shadow comes through with scattered storms and high humidity. Mainly mid - upper 80s today - anywhere with enough sun (inland) can make a run for 90. Tue / Wed hot / humid with scattered storms - heat focused inland with seabreeze - mid 90s in the hot areas. Thu - Sat look mainly cloudy / slow moving scattered / isolated heavy storms, rain ad W. Atl ridge blocks frontal from advancine. Ridge building cleaner with higher heights and expanding heat towards mid month and beyond. 7/7 : Chantal's wake - clouds - humid scattered storms 7/8 - 7/9 : Hot / humid - scattered storms 7/10 - 7/12 : Humid / wet 7.13 - 7/14 : Warm/ humid 7/15 - Beyond : Hotter / humid overall - still looks wetter overall perhaps not as wet ad this period

Highs: EWR: 95 TEB: 91 LGA: 90 New Brnswck: 90 PHL: 90 TTN: 88 NYC: 87 JFK: 86 BLM: 86 ACY: 86 ISP: 85

Highs: EWR: 95 TEB: 91 LGA: 90 New Brnswck: 90 PHL: 90 TTN: 88 NYC: 87 JFK: 86 BLM: 86 ACY: 86 ISP: 85

Cloud magnet may be back but i think tue/wed will see breaks and be quite warm-hot. the period thu - sun looks like limited sun with a hung up front as the W atl ridge edges west enough to be nuisance.

Clouds from the Chantal system are already to MD

81 / 66

Records: Highs: EWR: 103 (2010) NYC: 103 (2010) LGA: 103 (2010) JFK: 101 (2010) New Brnswck: 103 (1999) Lows: EWR: 54 (1979) NYC: 53 (1979) LGA: 56 (1979) JFK: 56 (1979) New Brnswck: 48 (1979) Historical: 1879: Boston, MA recorded its lowest temperature of 50 °F for the month of July. (Ref. NOAA Boston Weather Events) 1893 - A violent tornado killed 71 persons on its forty-mile track across northwestern Iowa. Forty-nine persons were killed around Pomeroy, where eighty percent of the buildings were destroyed, with most leveled to the ground. Photos showed most of the town without a wall or tree left standing. (The Weather Channel) 1928: A seven-inch hailstone weighing 1.5 pounds fell in Potter Nebraska. With a circumference of 17 inches, this appeared to be the largest hailstone in the world at that time. 1928 - A hailstorm at Potter, NE, produced a stone which was 5.5 inches in diameter, and seventeen inches in circumference, weighing a pound and a half. (David Ludlum) 1936: The temperature at Moorhead, MN, soared to 114 °F to establish a new state record and the temperature at Steel, ND, soared to 121 °F to establish a new state record (Ref. Lowest and Highest Temperatures for the 50 States) 1972: Unusually strong Canadian high pressure pushed a cold front into the central Gulf of Mexico bringing record chill to the central states. Richland Center, WI and St. Louis, MO set July record lows of 38° and 51° respectively. Other daily records: Lansing, MI: 39°, Detroit, MI: 42°, Columbus, OH: 43°, Toledo, OH: 43°, Dayton, OH: 44°, Springfield, MO: 44°, Peoria, IL: 48°, Springfield, IL: 48°,Lexington, KY: 49 °F. (Ref. Additional Temperatures Listed On This Link) 1977: RIC The Highest temperature ever recorded for July was 105 °F which has occurred on two other dates. (Ref. Richmond Weather Records - KRIC) 1978: Severe thunderstorms developed over eastern South Dakota during the afternoon and moved quickly to the northeast. Winds of up to 80 mph were reported and hail as big as baseballs pounded some areas. A tornado produced widespread damage to crops and personal property across Turner and Lincoln counties. Total property and crop damage from the storms was near $20 million dollars.(Ref. Wilson Wx. History) 1982: A severe thunderstorm which produced extremely high winds pummeled Sioux Falls, SD. The thunderstorm produced winds of 125 mph which swept across the city causing damage in a path ten blocks wide and three miles long. The National Weather Service office at the airport reported a gust of 82 mph. (Ref. Wilson Wx. History) 1983: Cool high pressure settled over the Great Lakes bringing record lows. The 41° at Grand Rapids, MI is the lowest ever recorded during the month of July. Chicago, IL set a daily record low with 46° and the low of 45° the next morning set the record low for July. Other daily record lows included: Ste. St. Marie, MI: 36°, Muskegon, MI: 41° and La Crosse, WI: 48°. (Ref. Wilson Wx. History) 1985 - Lightning struck a large transformer in Salt Lake County sending a 200 foot fireball into the air and blacking out almost the entire state for up to five hours. (The Weather Channel) 1986 - Thunderstorm rains during the mid morning hours, and again during the evening, produced major flash-flooding at Leavenworth, KS. The official rainfall total was 10.37 inches, but unofficial totals exceeded twelve inches. At nearby Kansas City, the rainfall total of 5.08 inches was a daily record for July. (Storm Data) 1987 - Thunderstorms produced severe weather in twenty-one states east of the Rockies, with severe weather reported in Kentucky and Indiana for the second day in a row. A thunderstorm produced more than five inches of rain in one hour near Reynolds, IL. Rochester, NY, was soaked with 3.25 inches, a record 24 hour total for the month of July. (The National Weather Summary) (Storm Data) 1988 - Thirty-six cities in the north central and northeastern U.S. reported record high temperatures for the date. Afternoon highs of 98 degrees at International Falls, MN, and 101 degrees at Flint, MI, equalled all-time records. Highs of 96 degrees at Muskegon, MI, and 97 degrees at Buffalo, NY, were records for July. (The National Weather Summary) 1989 - Unseasonably hot weather prevailed in the southwestern U.S. Ten cities reported record high temperatures for the date, including Las Vegas, NV, with a reading of 115 degrees. Hanksville, UT, reached 112 degrees, Bullhead City, AZ, hit 120 degrees, and Death Valley, CA, soared to 126 degrees. (The National Weather Summary) 1996: The hottest July temperature ever recorded in Oklahoma City, OK is 110°. (Ref. Wilson Wx. History) 1999 : Record heat occurred across the Mid-Atlantic and Northeast. Record highs for the date included: Washington, DC: 103°, Raleigh-Durham, NC: 102°, Newark, NJ: 102°, Harrisburg, PA: 102°, Baltimore, MD: 101°, NYC-Central Park, NY: 101°, NYC-LaGuardia, NY: 101°, Salisbury, MD: 100°, Roanoke, VA: 100°, Allentown, PA: 100°, Reading, PA: 100°, Trenton, NJ: 100°, Atlantic City, NJ: 99°, NYC-Kennedy, NY: 99°, Hartford, CT: 99°, Lynchburg, VA: 98°, Philadelphia, PA: 98 °F. (Ref. Additional Temperatures Listed On This Link) 2006: From June 22nd to July 6th a total of 15.52 inches of rain occurred averaging more than one inch a day over one-half of a summer month period, amazing! (Ref. Annandale Weather Records) 2007: Death Valley, California: Death Valley reaches 129°F the fourth time it has been so hot at this site since 1913. (Ref. WxDoctor) 2009: In Twisp, WA, a couple took shelter in a car due to a thunderstorm. Lightning struck the car and blew out 2 of its tires. After the incident, the engine would not start. The couple was unhurt. (Weather Guide Calendar with Phenomenal Weather Events 2011 Accord Pub. 2010, USA) 2010: On the 6th, BWI soared to 105 °F; 2nd hottest day ever in Baltimore (107 °F, 7/10/36); at or above 100 °F at BWI on 5 days, most on record. BWI recorded record high temperatures on 4 days: 6th (105 °F), 7th (101 °F), 24th (101 °F) and 25th (100 °F). DCA soared to a record 102 °F on the 7th and 101 °F on the 24th. Ref. July PRESTO Page 1

75 / 65 sunny and hot low - mid 90s in the hot areas today. Messy period overall warm - hot / humid and wetter starting tomorrow. Under the northern ridge, western ridge pushing out spurts of heat and the W atl ridge expanding west enough to pump heights the next 7 - 9 days. Clouds from Chantal may get here as early as Mon morning, otherwise more 80s - low 90s Monday. Rain / storm chance look to focus on Mon PM, / Tue AM , Thu- Sat. Clouds the caveat in pushing 90s, onshore along the coast keeps heat focused west. Hotter by mid month with ridge building height and heat expanding east. 7/7 - 7/15 : Warm - hot , humid, wetter / onshore at times heat focused inland, clouds /storms frequent 7/16 - beyond : Hotter

Highs: EWR: 90 LGA: 88 TEB: 88 PHL: 88 New Brnswck: 87 JFK: 86 TTN: 86 ACY: 86 BLM: 85 ** missing hourly/intra hours ISP: 84 NYC: 84

Records: Highs: EWR: 103 (1999) NYC: 101 (1999) LGA: 100 (1999) JFK: 102 (1999) New Brnswck: 100 (1999) Lows: EWR: 54 (1979) NYC: 53 (1979) LGA: 56 (1979) JFK: 56 (1979) New Brnswck: 47 (1909) Historical: 1643: A violent windstorm hit the Plymouth Colony. The "sudden gust" downed trees and killed one Native American. This may have been the first documented American tornado or microburst. (Ref. Wilson Wx. History) 1816: In parts of New England and the Middle Atlantic, crop damage was severe and fruit trees were killed. In PA ice was found the thickness of window glass. In Savannah, Georgia the temperature dropped into the 40's on July 4th. (p. 33 Washington Weather Book 2002 by Ambrose, Henry, Weiss) 1882: A trace of snow was observed at Newton, NJ and other locations in the northeast. (Ref. Wilson Wx. History) 1891 - Sixteen horses were killed by hail, and many more have to be put to death due to injuries from a hailstorm at Rapid City, SD. (The Weather Channel) 1900 - A spectacular three day fire began when a bolt of lightning struck a refinery in Bayonne NJ. (David Ludlum) 1905: Washington Weather Bureau Office had 2.77 inches rain in one hour, 3.33 inches in two hours and 4.01 inches in 12 hours. The storm total was 4.64 inches in Baltimore, MD (Ref. Washington Weather Records - KDCA) 1916 - A hurricane produced 82 mph winds, an 11.6 foot tide, and a barometric pressure of 28.92 inches at Mobile, AL. (David Ludlum) 1936: South Dakota recorded its hottest temperature ever with a reading of 120° at Gannvalley. This same day Sioux Falls reached 109°, their second hottest temperature on record. Three of the 4 hottest days on record in Sioux Falls occurred during the Dust Bowl summer of 1936. (Ref. Lowest and Highest Temperatures for the 50 States) 1937 - The temperature at Medicine Lake, MT, soared to 117 degrees to establish a state record. (Sandra and TI Richard Sanders - 1987) 1937 - Midale and Yellow Grass in Saskatchewan hit 113 degrees to establish an all-time record high for Canada that same day. (The Weather Channel) 1967: Canadian high pressure continued to bring record lows to parts of the upper Midwest. Daily record lows included: Duluth, MN: 36°, Rochester, MN: 42°, Rockford, IL: 43°, Asheville, NC: 46°, Bristol, TN: 48°, Richmond, VA: 52°, Knoxville, TN: 54°, Wallops Island, VA: 56°, Charlotte, NC: 57 °F. (Ref. Wilson Wx. History) 1970: The morning low at Death Valley, CA was 103 degrees and the high that afternoon was 120 degrees. (The Weather Channel) 1972: Temperatures fell to record lows in the upper 30s and lower 40s across the Great Lakes region. The 37° at Lansing, MI was their coldest July reading of the 20th century. Other daily records included: Alpena, MI: 37°, Casper, WY: 38°, Sioux Falls, SD: 39°, Ste. St. Marie, MI: 39°, Huron, SD: 40°, Madison, WI: 40°, North Platte, NE: 42°, Topeka, KS: 43 °F.(Ref. Additional Temperatures Listed On This Link) 1970 - The morning low at Death Valley CA was 103 degrees, and the high that afternoon was 120 degrees. (The Weather Channel) 1974: Connecticut--A line of thunderstorms moved southeastward across the state. Lightning caused two deaths, one at Brookfield in Fairfield County and one at Bloomfield in Harford County. New Jersey--A line of thunderstorms moved eastward across the state in the afternoon. One man in Trenton was killed by lightning. New York City--A thunderstorm passed northeastward across the south and central sections of the city. Lightning struck three girls in Central Park, killing one and injuring two. Wilmington, Del.--A mother was killed by lightning while standing on her porch. (Ref. Lightning-The Underrated Killer.pdf) 1980: The “More Trees Down” started in western Iowa and tracked eastward affecting several states along its past before dissipating in eastern Virginia. 1987 - Severe thunderstorms raked south central Kansas for the second morning in a row. Thunderstorm winds again gusted to 80 mph at Clearwater, and in the Wichita area reached 100 mph. Twenty-five persons were injured at a trailer park at El Dorado Lake. (The National Weather Summary) (Storm Data) 1988 - Afternoon and evening thunderstorms spawned eleven tornadoes in Montana and three in North Dakota. Baseball size hail was reported at Shonkin, MT, and wind gusts to 85 mph were reported south of Fordville, ND. Twenty cities in the north central U.S. reported record high temperatures for the date, including Fargo ND with a reading of 106 degrees. Muskegon, MI, equalled their July record with a high of 95 degrees. (The National Weather Summary) (Storm Data) 1989 - Moisture from what once was Tropical Storm Allison triggered thunderstorms over the Middle Atlantic Coast Region, which deluged Wilmington, DE, with a record 6.83 inches of rain in 24 hours, including 6.37 inches in just six hours. Up to ten inches of rain was reported at Claymont, northeast of Wilmington. July 1989 was thus the wettest month in seventy years for Wilmington, with a total of 12.63 inches of rain. Alamosa CO reported an all-time record high of 94 degrees, and Pierre, SD, hit 113 degrees. (The National Weather Summary) (Storm Data) 1994: Thunderstorms, mainly packing high winds, erupted over north central Nebraska into south central South Dakota. As the storms moved east, 60 to 70 mph winds were common across the tri-state area. In Iowa, 65 mph winds were clocked in Monona County wrecking havoc with power lines. In Crawford County, 80 mph winds broke windows out of houses and caused some barn damage southwest of Charter Oak. Winds of 75 mph also swept into Sioux County causing significant damage to buildings on a farmstead near Hawarden. (Ref. Wilson Wx. History) 1999: July 4th and 5th ........"The Boundary Waters-Canadian Derecho" States that were affected --- ....ND, MN, ON, QB, NH, VT, ME (Ref. For More Information) 2001: International Falls, MN set a record low with 34°. 2.20 inches of rain fell in just 15 minutes at Pine Mountain, CA in Kern County. (Ref. Wilson Wx. History) 2003: Rockford, Illinois: An early morning band of severe thunderstorms blows across Northern Illinois with peak winds reported at 104 mph. Over 80,000 people are without power for various durations after the storm. (Ref. WxDoctor) 2004: For the second day in a row a derecho, a line of thunderstorms that produces widespread damaging winds, tracked from southeast Kansas into central Missouri across the Lake of the Ozarks region. (Ref. Wilson Wx. History) 2008: A streak of 26 consecutive days of 90°+ heat beginning on June 13th ended on this date at Denver, CO, shattering the previous record of 18 consecutive days established in 1874 & 1901. (Ref. Wilson Wx. History)

66 /64 off a low of 59. Another amazing beach day mid 80s to low 90s in the hot spots. Hotter tomorrow and monday with upper 80s low to mid 90s in the hot spots., although clouds from the tropical storm Chantal along the southeast could get in the way on monday. Watch any tropical impacts monday evening - tuesday otherwise Warm - hot / humid overall as the area is caught under the ridge with somewhat extra variable forecast pattern through mid month which should yield wetter - frequent storms and persistent onshore component. Hotter in the long range as ridge pushes heights and stronger heat expands north and east.