SACRUS

Clearing working its way down

Continues to look wetter Dec 27 - Jan 1 a widespread 1 - 2 inches looks possible and perhaps a wet New Years eve for the ball drop.

JFK: 1980 : 3 degree low missed it by one degree

Week to go and the coming warmth between the 27 - 31 will erode some of this but a negative departures will likely prevail at NYC/LGA/TTN with EWR close and JFK likely getting on the plus side of average. JFK: - 0.9 EWR: -2.1 NYC: -3.1 LGA: -3.1 TTN: -4.0

1969

NYC: 1909 : 7 inches of snow, Most snowfall recorded on Christmas day (1869 - present) Dec 25 1969: Snow started late night and through the 26th mixed with rain after a half foot then changed back to snow. 6.8 inches fell at central park. Dec 25 2002: A wet storm dropped 5.5 inches of wet snow and a total precipitation of 1.30 inches.

Records: Highs: EWR: 69 (1964) NYC: 66 (2015) LGA: 64 (2015) JFK: 64 (2015) Lows: EWR: 0 (1980) NYC: -1 (1980) LGA: -1 (1980) JFK: 2 (1983) Historical: 1776: Thomas Jefferson noted that the first winter snow fell on December 20th, but did not last on the ground one day. Temperatures dropped to 30 degrees or colder on Christmas Day. That night, 22 inches of snow fell. From the 25th of December until March 6, 10 snow covered the ground, and some of them were deep. The first rain came on the 9th of March. In Frederick County, two feet of snow was recorded. 1872: Since records began back in 1887, Columbia, South Carolina, only a trace of snow has been reported on Christmas Day. Before records, 13-hour sleet, and snowstorm occurred in Columbia and surrounding areas. Credit goes to Cary Mock, a USC geography professor who specializes in historical weather research. 1966 - A white Christmas was enjoyed by residents from North Carolina to New England in the wake of a major snowstorm. Even coastal Virginia was white. (David Ludlum) 1980 - It was the coldest Christmas Day of modern record in the northeastern U.S. Temperatures as cold as 36 degrees below zero were reported in New York State, and as the sharp cold front swept southeastward the temperature at Boston MA plunged from 34 degrees to seven degrees below zero during the day. (David Ludlum) 1983 - It was the coldest Christmas Day of modern record for the central and eastern U.S. More than 125 cities reported record low temperatures for the date, and thirty-four of those cities reported all-time records for the month of December. The temperature plunged to one degree below zero at Huntsville AL, and dipped to 14 degrees at Galveston TX. Snow covered the ground from the Pacific Northwest through much of the Great Plains Region to the Northern Appalachains. (The National Weather Summary) 1987 - Residents of Tucson, AZ, awoke to a white Christmas for the first time in forty-seven years of records, as a winter storm blanketed the area with up to four inches of snow. While heavy rain inundated Arkansas, freezing rain was reported from northwest Texas to southwestern Missouri, with an inch of ice reported at Harrison AR. Unseasonably mild weather prevailed in the southeastern U.S. Seven cities reported record high temperatures for the date. For the second day in a row McAllen TX was the hot spot in the nation with an afternoon high of 91 degrees. (The National Weather Summary) (Storm Data) 1988 - A massive winter storm made for a very white Christmas in the western U.S. Las Vegas, NV, reported snow on the ground for the first time of record. Periods of snow over a five day period left several feet of new snow on the ground of ski areas in Colorado, with 68 inches reported at Wolf Creek Pass. (Storm Data) (The National Weather Summary) 1989 - It was a record cold Christmas Day for parts of the southeastern U.S. Morning lows of zero degrees at Wilmington, NC, and five degrees below zero at Jacksonville NC established all-time records for those two locations. Miami Beach FL equalled a December record established the previous morning with a low of 33 degrees. (The National Weather Summary) (Storm Data) 2002: A major snowstorm moved up the east coast on Christmas Day, 2002. Widespread snowfalls of a foot or more occurred across much of central New York and northeast Pennsylvania, with amounts as high as 30 inches reported over the northwest slopes of the Catskills. 2003 - Heavy rains affected areas of southern California that were just recently ravaged by wildfires in October. The downpour produced flash flooding that resulted in mudslides, taking the lives of 15 people at area campgrounds in San Bernardino (AFP). 2004 - Snow fell on Christmas Day in Deep South Texas. Snow totaled 4.4 inches in Corpus Christi, making it the second White Christmas ever. Farther north, Victoria had their first white Christmas on record when 12.5 inches of snow fell. 2006 - Severe thunderstorms produced four tornadoes in Florida. Columbia, Pasco, Lake and Volusia counties were hardest-hit, including the Daytona Beach area. A tornado generated considerable damage on the campus of Embry-Riddle Aeronautical University, delaying the start of the spring semester (Orlando Business Journal). 2010 - Up to 32 inches of snow and blizzard conditions affected parts of the eastern U.S. on December 25th�27th. A state of emergency was declared in North Carolina, Virginia, Maryland, New Jersey, Massachusetts, and Maine. In New York City, up to 24.5 inches of snow fell, effectively shutting down rail lines, major airports, and bus services. Thousands of flights were cancelled and stranded subway riders were forced to spend a night in unheated train cars. One person was reported killed in Maine due to the weather conditions. (NCDC)

31 / 26 low clouds. Snow on the ground at 7AM in NYC (central park) and a good majority of the area for the first white Christmas in 15 years. The allusive snowfall on christmas day extends to 22 years (2002). Near normal the next two days ahead of the warm/wetter close to the month with another 1 - 2 inches of rain and some +12 to +15 departures. Roller coaster comes down (temps) around Jan 4th. Merry Christmas to all. 14 years ago the tracking was shifting into a frenzied pace as the Boxing day storm was becoming unanimous on all guidance - the year before this board was born.

Looks like both NYC and EWR have made it to or above freezing

That was a rapidly changing rain to snow on christmas afternoon from a coastal / noreaster.

Snow fell 12 inches between the 19/20th and some remained during Christmas in 20090

Once we move past today's Christmas White, this is all wet >1 inch of rain Dec 25 - Jan 1

Cold spell Dec 21: NYC: 33 / 19 (-12) EWR: 33 / 20 (-10) Dec 22: NYC: 21 / 13 (-20) EWR: 23 / 13 (-18) Dec 23: NYC: 31 / 13 (-15) EWR: 29 / 11 (-16)

NYC 1966 DEC 24 : 6.7 inches of snow fall on Christmas Eve - an additional half inch would fall on Christmas day to bring the the total over 7 inches,

Records: Highs: EWR: 71 (2015) NYC: 72 (2015) LGA: 72 (2015) JFK: 69 (2015) Lows: EWR: 3 (1983) NYC: 6 (1983) LGA: 4 (1983) JFK: 5 (1983) Historical: 1851: The Library of Congress caught fire. About 35,000 of the Library’s 55,000 volumes were destroyed. 1872 - Extreme cold gripped the Upper Midwest on Christmas Eve. Downtown Chicago reported an all-time record low of 23 degrees below zero, which stood until January 1982, and Minneapolis MN reached 38 below. The afternoon high at Minneapolis was 17 degrees below zero. (David Ludlum) 1963: At 0326 CDT on December 24th, 1963, a new all-time low for Memphis occurred with a reading of -13°F. The record still stands today. 1968: The crew of Apollo 8 took this photo, later dubbed “Earthrise,” on December 24th, 1968. During a broadcast that night, pilot Jim Lovell said: “The vast loneliness is awe-inspiring, and it makes you realize just what you have back there on Earth.” 1983 - The barometric pressure reached 31.42 inches at Miles City, MT, to establish a record for the U.S. It was the coldest Christmas Eve of modern record. More than 125 cities reported record low temperatures for the date, and all-time record lows for December were reported at seventeen cities, including Chicago with a low of 25 degrees below zero, and Havre MT with a reading of 50 below zero. (The National Weather Summary) (Storm Data) 1987 - A four day seige of heavy rain began in the south central U.S. Flooding claimed four lives and caused millions of dollars property damage. Western Tennessee was drenched with up to fourteen inches of rain in two days. Total rainfall exceeded twelve inches around Memphis TN, and the heavy rain and subsequent flooding added insult to injury to victims of the West Memphis tornado on the 14th of the month. Little Rock AR experienced their wettest December day of record with 5.01 inches of rain. West Little Rock reported 10.20 inches of rain in 24 hours. (The National Weather Summary) (Storm Data) 1988 - Early morning thunderstorms developing along a cold front spawned a powerful tornado at Franklin, TN, which killed one person, injured seven others, and caused eight million dollars damage. Another in a series of winter storms in the western U.S. produced 20 inches of snow at Blue Canyon CA in 24 hours. Bishop CA received 14 inches of snow in just six hours, and Redding CA, which averages three inches of snow per year, was blanketed with ten inches. (The National Weather Summary) (Storm Data) 1989 - Fifty-seven cities in the south central and eastern U.S. reported record low temperatures for the date, including Elkins, WV, with a reading of 22 degrees below zero. Key West FL equalled their record for December with a morning low of 44 degrees. The high of just 45 degrees at Miami FL was an all-time record for that location. It smashed their previous record for the date by twenty degrees. (The National Weather Summary) (Storm Data) 2004: An extremely rare snowstorm impacts southeastern Texas on this day. Corpus Christi International Airport officially measured 4.4 inches from this event. This was their second white Christmas ever recorded in Corpus Christi. The other white Christmas occurred in 1918 when 0.1 inches was reported.

27 / 19 some light snow commencing. Coating to an inch by noon, then clearing out. Warmest day of the last 4. Warmeer wetter close to the month Sat - Tue with another 1 inch of liquid for many. Beyond there colder after the 2nd, but not looking as cold (dep-wise) as this last blast or earlier in the month.

Area associated with tomorrow's snow showers and flurries, light snow for some.

I see 13 at NYC and 10 at EWR so far, without any intra our reading available to me yet

Records: Highs: EWR: 67 (1990) NYC: 66 (1990) LGA: 66 (1990) JFK: 63 (2015) Lows: EWR: 7 (1989) NYC: -1 (1883) LGA: 7 (1989) JFK: 8 (1989) Historical: 1811 - A cold storm hit Long Island sound with a foot of snow, gale force winds, and temperatures near zero. During the storm many ships were wrecked, and in some cases entire crews perished. (David Ludlum) 1921: An estimated F3 tornado struck the town of Clarkedale, Arkansas, killing six and injuring 60 others. Four people died in the destruction of the Banks and Danner store, where 50 people were doing their Christmas shopping. 1955 - The barometric pressure dipped to 28.97 inches (981 millibars) at Boise ID, an all-time record for that location. (The Weather Channel) 1982 - A major winter storm struck Colorado producing heavy snow and blizzard conditions. A record two feet of snow was reported at Stapleton Airport in Denver, which was shut down for 33 hours. Up to 44 inches of snow fell in the foothills surrounding Denver. The storm hurt the ski industry as skiers were unable to make it out of Denver to the slopes, and the closed airport became a campground for vacationers. (23rd-25th) (The Weather Channel) (Storm Data) 1983 - The temperature plunged to 50 degrees below zero at Williston ND to equal their all-time record. Minneapolis MN reported an afternoon high of 17 degrees below zero, and that evening strong northerly winds produced wind chill readings of 100 degrees below zero in North Dakota. (The National Weather Summary) 1987 - A winter storm brought heavy snow to the Central Rockies, and also spread a blanket of snow across the Middle Missouri Valley in time for Christmas. Snow and high winds created near blizzard conditions in Wyoming. Snowfall totals in Wyoming ranged up to 25 inches at Casper, with four feet of snow reported at the Hogadon Ski Resort on Capser Mountain. The Wolf Creek Ski Resort in Colorado received 26 inches of snow. Totals in the Middle Missouri Valley ranged up to 16 inches at Alpena SD, with 14 inches at Harrison NE. Strong winds ushered unseasonably cold air into the southwestern U.S. Canyon winds gusting to 100 mph created ground blizzards in Utah. (The National Weather Summary) (Storm Data) 1988 - Low pressure in the Upper Midwest produced strong and gusty winds across the Great Lakes Region and the Ohio Valley. Winds in Ohio gusted to 47 mph at Cincinnati, and reached 51 mph at Cleveland. (The National Weather Summary) (Storm Data) 1989 - An historic arctic outbreak spread to the Gulf Coast Region, and a total of 122 cities across the central and eastern U.S. reported record low temperatures for the date. Forty-one of those cities reported record lows for the month of December, with some cities breaking December records established the previous morning. Morning lows of 11 degrees at New Orleans LA and Lake Charles LA, 4 degrees below zero at San Angelo TX, and 26 degrees below zero at Topeka KS, established all-time records for those four locations. Yankton SD was the cold spot in the nation with a morning low of 31 degrees below zero. A storm system moving across the Florida peninsula and along the Southern Atlantic Coast produced high winds and record snows along the Carolina coast. Snowfall totals of 15 inches at Wilmington NC and 13.3 inches at Cape Hatteras NC were all-time records for those two locations. 1998: A major ice storm struck central and southeast Virginia and much of North Carolina beginning on Wednesday, December 23, and lasting until Christmas Day morning. Icy conditions caused injuries from slips and falls and numerous vehicle accidents. Ice accumulations of up to an inch brought down trees and power lines. Outages were so widespread with 400,000 customers were without power on Christmas Eve. Some people were without power for up to ten days. 2009 - Severe storms and heavy rainfall were associated with the same storm that brought blizzard conditions to the central parts of the U.S. on December 23rd and 24th. At least one death in Louisiana was blamed on the heavy rainfall and storms. There were 35 preliminary tornado reports and 34 hail and wind reports along the Gulf Coast over the 2-day period. The 10-year average number of tornadoes across the country in December is 36. (NCDC)

Cold spell Dec 21: NYC: 33 / 19 (-12) EWR: 33 / 20 (-10) Dec 22: NYC: 21 / 13 (-20) EWR: 23 / 13 (-18)