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August 2025 Discussion-OBS - cooler than normal first week but a big comeback to warmer than normal for the last 2-3 weeks

wdrag

By wdrag,
in New York City Metro

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forkyfork
forkyfork

and november and december and january and february

BxEngine
BxEngine

80 and sunny somewhere just north of the bahamas in the atlantic….

cleetussnow
cleetussnow

Parts unknown…shawagunks sunset tonight.  

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cleetussnow

cleetussnow

Posted
Posted
16 hours ago, jm1220 said:

Yep it was in my western sky. It was definitely bright for a split second.

I saw another tonight - north northeast of me 9:30 ish.I wasn’t really watching the sky this time but happened to catch it.  It probably is a busy sky this week if you can patiently watch.  There is a lot of light pollution up here still (Mohonk area) so star gazing is kinda disappointing generally.

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bluewave

bluewave

Posted
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First time with no 90° days at the warm spots from 8-18 through 8-31 since 2011. That year it took Irene merging with the trough and plenty of rain. This time the recurving hurricane and trough over Eastern Canada were enough. 
 

Time Series Summary for NEWARK LIBERTY INTL AP, NJ 8-18 to 8-31 High Temperature
Click column heading to sort ascending, click again to sort descending.
2025-08-31 88 5
2024-08-31 95 0
2023-08-31 91 0
2022-08-31 94 0
2021-08-31 97 0
2020-08-31 93 0
2019-08-31 94 0
2018-08-31 96 0
2017-08-31 91 0
2016-08-31 95 0
2015-08-31 94 0
2014-08-31 93 0
2013-08-31 91 0
2012-08-31 94 0
2011-08-31 89 0
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bluewave

bluewave

Posted
Posted

Top 10 and even some top 5 driest records for this August across the region. 
 

Time Series Summary for SUSSEX AIRPORT, NJ - Month of Aug
Click column heading to sort ascending, click again to sort descending.
1 2025 T 6
2 2022 1.04 2
3 2019 1.22 0
4 2020 1.24 3
5 2001 1.57 0
6 2005 2.09 0
7 2016 2.59 0
8 2014 2.74 1
9 2012 2.78 0
10 2015 2.84 0

 

Time Series Summary for SOMERSET AIRPORT, NJ - Month of Aug
Click column heading to sort ascending, click again to sort descending.
1 2025 0.80 6
2 2010 0.81 0
3 2008 0.91 0
4 2005 0.93 0
5 2014 2.01 1
6 2015 2.12 1
7 2006 2.46 0
8 2016 2.87 0
9 2003 2.97 1
10 2001 3.02 0

 

Time Series Summary for New Brunswick Area, NJ (ThreadEx) - Month of Aug
Click column heading to sort ascending, click again to sort descending.
1 1917 0.76 1
2 1964 0.82 0
3 2016 0.84 0
4 1995 1.04 0
5 2005 1.16 0
6 2015 1.21 0
7 1923 1.29 0
8 2025 1.33 5
9 1935 1.35 0
10 1980 1.36 0

 

 

Time Series Summary for LAGUARDIA AIRPORT, NY - Month of Aug
Click column heading to sort ascending, click again to sort descending.
1 1995 0.12 0
2 1964 0.24 0
3 1981 0.31 0
4 1972 0.94 0
5 2016 1.13 0
6 1984 1.19 0
7 1980 1.32 0
8 2025 1.67 5
9 1966 1.74 0
10 1988 1.83 0


 

Time Series Summary for ISLIP-LI MACARTHUR AP, NY - Month of Aug
Click column heading to sort ascending, click again to sort descending.
1 1964 0.18 0
2 2005 0.26 0
3 1984 0.47 0
4 2025 0.53 5
5 2022 0.67 0
6 2009 0.68 0
7 1995 0.74 0
8 2016 0.90 0
9 1981 1.18 0
10 1980 1.45 0


 

Time Series Summary for NEW HAVEN TWEED AP, CT - Month of Aug
Click column heading to sort ascending, click again to sort descending.
1 2005 0.71 0
2 1956 0.93 0
3 2022 1.00 0
4 2025 1.05 5
5 1966 1.27 0
6 2009 1.39 0
7 1972 1.50 0
8 1953 1.84 0
9 1969 1.93 0
10 2016 1.96 0
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Sundog

Sundog

Posted
Posted
1 hour ago, donsutherland1 said:

White Plains has fallen into the 50s for the 10th time this month. The last time that happened in August was 2013. White Plains is on course for 14 such days this month. That would be the most such days since 1987 when there were also 14 days.

Amazing what low dewpoints can do when given the opportunity. 

The soupy air is one of the reasons why even rural areas can't cool down properly at night anymore. 

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SACRUS

SACRUS

Posted
Posted

 

63 / 51 the nice stretch marches on.  Upper 70s / low 80s the rule the next 3 - 5 days and dry and partly - sunny conditions.  Next shot t rain is Tue-Wed as trough cuts off under the ridge and a steady stream os SE flow into the region, we'll see what it can deliver.   Overall warmer beyond there - next shot at heat into the 4 - 11 period , nothing major or extreme just warmer than normal and ridge building in.

 

GOES19-EUS-02-1000x1000.gif

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SACRUS

SACRUS

Posted
Posted
1 hour ago, bluewave said:

First time with no 90° days at the warm spots from 8-18 through 8-31 since 2011. That year it took Irene merging with the trough and plenty of rain. This time the recurving hurricane and trough over Eastern Canada were enough. 
 

Time Series Summary for NEWARK LIBERTY INTL AP, NJ 8-18 to 8-31 High Temperature
Click column heading to sort ascending, click again to sort descending.
2025-08-31 88 5
2024-08-31 95 0
2023-08-31 91 0
2022-08-31 94 0
2021-08-31 97 0
2020-08-31 93 0
2019-08-31 94 0
2018-08-31 96 0
2017-08-31 91 0
2016-08-31 95 0
2015-08-31 94 0
2014-08-31 93 0
2013-08-31 91 0
2012-08-31 94 0
2011-08-31 89 0

 

The 95 last year was the one day at 90 plus in the period as was the 91 in 2023, same in 2019,  19th at EWR.  There have been a few with no or one/two days of 90s of late in the period.   We'll see if we can nudge 1 - 3 more in Sep.Oct.

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bluewave

bluewave

Posted
Posted
12 minutes ago, SACRUS said:

 

The 95 last year was the one day at 90 plus in the period as was the 91 in 2023, same in 2019,  19th at EWR.  There have been a few with no or one/two days of 90s of late in the period.   We'll see if we can nudge 1 - 3 more in Sep.Oct.

Newark has averaged 3 days reaching 90° after August since 2010.

Monthly Number of Days Max Temperature >= 90 for NEWARK LIBERTY INTL AP, NJ Sep-Oct
Click column heading to sort ascending, click again to sort descending.
Mean 3 0 3
2024 0 0 0
2023 6 0 6
2022 1 0 1
2021 1 0 1
2020 0 0 0
2019 3 1 4
2018 4 0 4
2017 3 0 3
2016 5 0 5
2015 5 0 5
2014 3 0 3
2013 1 0 1
2012 2 0 2
2011 0 0 0
2010 6 0 6

 

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FPizz

FPizz

Posted
Posted
8 hours ago, ForestHillWx said:

54 here currently; could have a shot at the upper 40s. Windows are wide open!

I saw Somerville was 49 this morning, their first 40s I believe.  I made it to 52.  Should be great weather later for the System of a Down concert.  

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wdrag

wdrag

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Posted

If all goes well I'll get Sept thread started by 8PM. 

 

fwiw...5H pattern is looking interesting for me here,  west of I95 where it's been pretty darn dry since the 22nd.  Am I seeing opportunity for for 1/2-2" of rain in nw NJ next week beginning periodically Monday night?  

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wdrag

wdrag

Posted
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Posted
11 minutes ago, wdrag said:

If all goes well I'll get Sept thread started by 8PM. 

 

fwiw...5H pattern is looking interesting for me here,  west of I95 where it's been pretty darn dry since the 22nd.  Am I seeing opportunity for for 1/2-2" of rain in nw NJ next week beginning periodically Monday night?  

Sept thread started... this above added to Sept. 

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bluewave

bluewave

Posted
Posted
2 hours ago, Sundog said:

Amazing what low dewpoints can do when given the opportunity. 

The soupy air is one of the reasons why even rural areas can't cool down properly at night anymore. 

The lowest August average minimum dewpoint since 2014 allowed the minimums to drive the cooler departures at spots like HPN which have been average for high temperatures. 
 

Climatological Data for WESTCHESTER CO AP, NY - August 2025
Click column heading to sort ascending, click again to sort descending.
Sum 2123 1611 - - 2 187 2.39
Average 81.7 62.0 71.8 -1.0 - - -
Normal 81.6 63.9 72.8 - 2
2025-08-01 73 61 67.0 -6.9 0 2 0.02
2025-08-02 79 58 68.5 -5.4 0 4 0.00
2025-08-03 82 57 69.5 -4.3 0 5 0.00
2025-08-04 87 60 73.5 -0.2 0 9 0.00
2025-08-05 82 66 74.0 0.4 0 9 0.00
2025-08-06 77 66 71.5 -2.1 0 7 T
2025-08-07 80 60 70.0 -3.5 0 5 T
2025-08-08 80 57 68.5 -4.9 0 4 0.00
2025-08-09 82 56 69.0 -4.3 0 4 0.00
2025-08-10 89 60 74.5 1.3 0 10 0.00
2025-08-11 88 63 75.5 2.4 0 11 0.00
2025-08-12 90 62 76.0 3.0 0 11 0.00
2025-08-13 90 69 79.5 6.6 0 15 1.16
2025-08-14 90 71 80.5 7.7 0 16 0.00
2025-08-15 86 71 78.5 5.8 0 14 0.00
2025-08-16 83 70 76.5 3.9 0 12 T
2025-08-17 90 70 80.0 7.5 0 15 T
2025-08-18 74 59 66.5 -5.8 0 2 0.00
2025-08-19 76 57 66.5 -5.7 0 2 0.00
2025-08-20 68 57 62.5 -9.6 2 0 1.17
2025-08-21 72 58 65.0 -7.0 0 0 0.04
2025-08-22 82 56 69.0 -2.8 0 4 0.00
2025-08-23 82 60 71.0 -0.7 0 6 0.00
2025-08-24 80 61 70.5 -1.0 0 6 0.00
2025-08-25 84 65 74.5 3.2 0 10 0.00
2025-08-26 77 61 69.0 -2.2 0 4 0.00
2025-08-27 M M M M M M M
2025-08-28 M M M M M M M
2025-08-29 M M M M M M M
2025-08-30 M M M M M M M
2025-08-31 M M M M M M M


 

IMG_4537.thumb.png.38f44988c81d9e856349b42fbee0aef8.png

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SACRUS

SACRUS

Posted
Posted


Records:

Highs:

EWR: 100 (1993)
NYC: 101 (1948)
LGA: 99 (1948)
JFK: 101 (1948)


Lows:

EWR: 52 (1940)
NYC: 50 (1885)
LGA: 55 (1940)
JFK: 59 (1989)


Historical:


1667: On this date one of the most severe hurricanes to ever hit Virginia reduced the Jamestown Colony to ruins. The nearest computation is that at least 10,000 houses were blown down. (pp 22-23 Washington Weather Book 2002 by Ambrose, Henry, Weiss)

 

1854 - A tornado struck downtown Louisville around noon on Sunday, August 27th, 1854. It first touched down near 25th Street, southwest of downtown and lifted at the intersection of 5th and Main Streets. Although the tornado was only on the ground for a little over two miles, the twister claimed at least 25 lives. Many of those who perished were killed in the Third Presbyterian Church, where 55 people were gathered for Sunday church services. Straight-line winds that accompanied the tornado did significant damage to the Ohio River, where at least one boat sunk.

1856: 3 inches of snow on peak of Mount Washington, NH. (Ref. AccWeather Weather History)
 

1881: A Category 2 Hurricane made landfall between St. Simons Island and Savannah, Georgia, on this day. Landfall coincided with high tide and proved very destructive. The hurricane killed 700 people, including 335 in Savannah, making it the sixth deadliest hurricane in the United States.

 

1883: Krakatoa Volcano exploded in the East Indies. The explosion was heard more than 2500 miles away, and every barograph around the world recorded the passage of the airwave, up to seven times. Giant waves, 125 feet high and traveling 300 mph, devastated everything in their path, hurling ashore coral blocks weighing up to 900 tons, and killing more than 36,000 persons. Volcanic ash was carried around the globe in thirteen days producing blue and green suns in the tropics, and vivid red sunsets in higher latitudes. The temperature of the earth was lowered one degree for the next two years, finally recovering to normal by 1888.

1893 - The first of three great hurricanes that year struck South Carolina drowning more than 1000 persons in a tidal surge at Charleston. (David Ludlum)


1893: An estimated Category 3 hurricane made landfall near Savannah, Georgia on this day. This hurricane produced a high storm surge of 16 to 30 feet which cost the lives of 1,000 to 2,000 people. As of now, this storm is one of the top 5, deadliest hurricanes on record for the USA.

1948: A late season heat wave was underway from parts of the Great Lakes, Ohio Valley to the Mid-Atlantic and Northeast. Other daily records included: Huntington, WV: 103°, Baltimore, MD: 102°, Cleveland, OH: 102°, New York (Central Park), NY: 101°, New York (Kennedy Airport), PA: 101°, Columbus, OH: 100°, Bridgeport, CT: 100°, Boston, MA: 100°, Portland, ME: 100°, Washington, DC: 99°, Richmond, VA: 98°, Buffalo, NY hit their all-time maximum temperature of 99 °F for August. (Ref. Many Additional Temperatures Listed On This Link)
 

1964 - Hurricane Cleo battered Miami and the South Florida area. It was the first direct hit for Miami in fourteen years. Winds gusted to 135 mph, and the hurricane caused 125 million dollars damage. (David Ludlum)

1965: Hurricane Betsy is born in the Atlantic. (Ref. AccWeather Weather History)

1970 - Elko, NV, was deluged with 3.66 inches of rain in just one hour, establishing a state record. (The Weather Channel)


1971: Tropical Storm Doria was moving up the East Coast. (Ref. AccWeather Weather History) (Ref. More Information About Doria)

1973: Largest hailstone ever recorded in Canada hit Cedoux, Saskatchewan. This stone was 4.5 inches in diameter and weighed a pound. (Ref. AccWeather Weather History)

1986: August snow in Michigan ? Not much, but it did happen. Weather observers in Gwinn and Negaunee noted a few snow pellets mixed in a rain shower. In Sault Ste. Marie, a mix of snow and rain was the first observed August snow since records began in 1888. (Weather Guide Calendar with Phenomenal Weather Events 2011 Accord Pub. 2010, USA)

1987 - Washington D.C. soared to a record hot 100 degrees, while clouds and rain to the north kept temperature readings in the 50s in central and southeastern New York State. (The National Weather Summary)

1988 - Afternoon thunderstorms produced locally heavy rains in the southwestern U.S. Thunderstorms in eastern New Mexico produced wind gusts to 75 mph near the White Sands Missile Range, and produced three inches of rain in two hours near the town of Belen. (National Weather Summary) (Storm Data)

1989 - Afternoon and evening thunderstorms produced severe weather in southeastern Nebraska, eastern Kansas and Missouri. Thunderstorms produced baseball size hail south of Belleville KS, and tennis ball size hail south of Lincoln NE. Thunderstorms produced golf ball size hail and wind gusts to 70 mph at Saint Joseph MO. Thunder- storms in North Dakota deluged the town of Linton with six inches of rain in one hour. (The National Weather Summary) (Storm Data)

1990: New York City had a bout of severe weather. The Bronx received 4.24 inches of rain. A wind gust of 61 mph moved through LaGuardia Airport. At Nassau, 12 people were injured from an overturned boat. (Ref. AccWeather Weather History)

1994: The "Big Flats Tornado" was a F3 tornado as it rolled through the town of Big Flats, WI and caused $1 million dollars in damage. 24 homes were destroyed, eight suffered major damage, and 160 had light to moderate damage. In addition, the Big Flats Fire Department and town hall were destroyed, as well as a thrift shop. 70 cows were crushed to death in one barn as the walls blew out and the upper floor, filled with 16,000 bales of hay, and the roof collapsed. This was one of the first tornadoes detected by the new WSR-88D installed at Sullivan, WI. In addition to this tornado, two other F1 tornadoes touched down on this date just south of Lyndon Station, WI and just southeast of Plainville, WI. (Ref. Wilson Wx. History)

1995: 17.01 inches of rain fell at Antreville, SC from the remnants of Tropical Storm Jerry, setting a new 24 hour rainfall record for the state. 12.32 inches of rain fell at Greer, SC from the remnants of Tropical Storm Jerry, setting new 24 hour rainfall record for Greer. (Ref. Wilson Wx. History)

1998: Hurricane Bonnie passed just east of Cape Fear, NC late on the 26th and made landfall near Wilmington, NC on the 27th as a Category 2 hurricane. Bonnie would be the first of 7 (3 hurricane and 4 tropical storms) named tropical systems to make landfall in the United States during the very busy hurricane season of 1998 (the most since 1985). The final bill: $720 million in damage. 3 people were killed by the storm. One of the biggest victims of Bonnie was the tourism industry in eastern North Carolina. The storm forced over 500,000 visitors to flee in advance of the storm. (Ref. AccWeather Weather History)

2002: A stationary thunderstorm over the foothills of the Bighorn Mountains in Wyoming produced rainfall totals of up to 7.4 inches in six hours. The excessive rains produced severe flash flooding that damaged most of the homes and businesses in Kaycee, WY. As bad as the damage was, experts say that if the rainfall had been centered 10 miles further north, the town of Kaycee would have been totally destroyed. Severe thunderstorms spread large hail over metro Denver, CO. Hail up to two inches in diameter fell in Jefferson County 5 to 11 miles northwest of Golden. A storm produced a trace of rain and a microburst wind gust to 52 mph at Denver International Airport. (Ref. Wilson Wx. History)

2003: Southern Michigan to Washington, DC on August 26th and 27th: A derecho associated with a cluster of severe thunderstorms affects parts of Michigan and states eastward to Washington, DC. Strong winds leave hundreds of thousands of customers without electrical power, just weeks after the Great Blackout of 2003. (Ref. WxDoctor)
 

2005: Hurricane Katrina reached Category 3 intensity in the Gulf of Mexico about 335 miles south-southeast of the mouth of the Mississippi River with maximum sustained winds of 115 mph.

2009: New London, Iowa: In New London in southeast Iowa's Henry County, 8.34 inches of rain fell---7.20 inches of it in just four hours. (Ref. WxDoctor)

2011: Irene made landfall Saturday morning at Cape Lookout, N.C. — a bull's-eye in the field of weather forecasts. The high wind gust today was 52 mph at 17:53 hours and new record wind speed for this station. (Records since September 2008) The Richmond International Airport recorded a wind gust to 71 mph. The Richmond International Airport highest gust during Isabel was 73 mph. Irene was certainly the worst wind storm since Isabel for the Richmond area and about 75 percent of the Richmond area is without power. The West Henrico Co. - Glen Allen VA. total rainfall today was 3.75 inches a calendar day record rainfall for this station. (Records since August 2008) The precip. for today was 0.08 inches & for Aug. 6.65 inches and the average precipitation to Aug. 28 is 3.69 inches giving a departure of + 2.96 inches. The storm total was 3.83 inches and 24 hour total which sets a new record for the most precipitation in 24 hours. (Records since August 2008) Also two large trees down in our neighbors yard.(The West Henrico Co. - Glen Allen VA. Weather Station) (Ref. The Weather Nut - NWS at Wakefield - See Map of Irene's Track )

2013 - Numerous severe thunderstorms brought large hail along with wind gusts from 60 to 90 mph to parts of north central and northeast South Dakota. Numerous trees were downed along with many structures damaged. Eighty mph winds near Polo in Hand County snapped off two large cottonwood trees. Ninety mph winds snapped numerous trees off at their base along with destroying a garage and tipping several campers over onto their side at Cottonwood Lake near Redfield.

 

2017: Harvey was a Category 4 hurricane at its peak. It has since been downgraded to a tropical storm. But the hurricane scale is based on wind speed, not volume of water, and Harvey has continued to funnel tremendous amounts of moisture into Texas. As homes across the metro region filled with waist-deep water, rescuers scoured flooded inner city streets and subdivisions in kayaks, fishing boats and inflatable rafts, plucking families to safety. “Hurricane Harvey has effectively turned south and central Texas into a lake the size of Michigan,” Brad Kieserman, vice president of disaster operations and logistics for the Red Cross, told NPR. “This is as catastrophic as you could possibly imagine from a Category 4 storm.” (The NWS said Monday the 28th that parts of Harris County had seen 30 inches of rain.)  (15 inches of rain and more to come) (Harvey made landfall near Rockport, Texas)
(Satellite-before-Landfall on the 24-25 landfall near Rockport, Texas)

2020: Hurricane Laura moves In land(Ref. NWS and Radar by Weather Underground ) (Ref. CNN -Cat 4- Hurricane - Wind Damage Severe )

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Sundog

Sundog

Posted
Posted
48 minutes ago, forkyfork said:

i just want a cool spell that matches the warm ones. top 5 cold august when?

Even though you're annoying with this stuff you're not wrong. 

I'm not impressed with a -2 that was barely a -1 only 5 years ago. 

I'll take it of course because it's better than nothing

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Sundog

Sundog

Posted
Posted
20 minutes ago, WestBabylonWeather said:

Only going to get worse as we head deeper into the interglacial period of this Milankovitch cycle 

It's the other way around, the cycles are progressing in a fashion that should be making us cooler.

But they are being overwhelmed by greenhouse gas emissions.  

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