June 2025 discussion-obs: Summerlike

[dWave]

Stifling out. 87 dew 74.

[donsutherland1]

49 minutes ago, psv88 said:

Not sure why anyone thinks rain on Sunday impacts our highs in Tuesday. A theory floated by some experienced posters as well. Bizarre 

I don't believe today's light rainfall (0.10" at NYC, 0.08" at LGA and JFK, and 0.06" at Newark) will have much impact on Tuesday's high temperatures. Looking back at Central Park's long record, there were 6 100° days two days after measurable precipitation. In fact, on July 20, 1977, 0.06" rain fell. July 21, 1977 saw the mercury hit 104°. 

The most precipitation that fell two days before a 100° high was 0.36"; the most precipitation that fell one day before a 100° high was 0.16".

The highest temperature two days after 1" or more rain was 99°; the highest temperature one day after 1" or more rain was 97°. 

The highest temperature two days after 2" or more rain was 95°; the highest temperature one day after 2" or more rain was 93°. Both those cases followed 3" or above rainfall.

The highest temperature two days after 4" or more rain was 89°; the highest temperature one day after 4" or more rain was 87°. 

In short, heavier rainfall would have an impact. The light rainfall that occurred today shouldn't have much impact. The development of a sea breeze, cloud cover, and/or humidity will have a larger impact.

[psv88]

3 minutes ago, donsutherland1 said:

I don't believe today's light rainfall (0.10" at NYC, 0.08" at LGA and JFK, and 0.06" at Newark) will have much impact on Tuesday's high temperatures. Looking back at Central Park's long record, there were 6 100° days two days after measurable precipitation. In fact, on July 20, 1977, 0.06" rain fell. July 21, 1977 saw the mercury hit 104°. 

The most precipitation that fell two days before a 100° high was 0.36"; the most precipitation that fell one day before a 100° high was 0.16".

The highest temperature two days after 1" or more rain was 99°; the highest temperature one day after 1" or more rain was 97°. 

The highest temperature two days after 2" or more rain was 95°; the highest temperature one day after 1" or more rain was 93°. Both those cases followed 3" or above rainfall.

The highest temperature two days after 4" or more rain was 89°; the highest temperature one day after 4" or more rain was 87°. 

In short, heavier rainfall would have an impact. The light rainfall that occurred today shouldn't have much impact. The development of a sea breeze, cloud cover, and/or humidity will have a larger impact.

Great stats Don, thanks 

[MANDA]

11:0O heat index 

CP 90 and EWR 95

[psv88]

Still 80 here, HI of 86. Impressive for this late in Suffolk 

[SRRTA22]

It's still fucking 86 at EWR 

[Snowlover11]

87% humidity and a dew of 74

Still 80F outside.

[dmillz25]

Still 83 at 2am here lol

[LoboLeader1]

Topped out at 89F yesterday. 78F here currently.

 

 

 

[doncat]

77/74 at 5 am.

[MANDA]

Highly urbanized locations have not dropped below 80.  Very steamy.

[Snowlover11]

100F or bust today

[Sundog]

Not sure how anyone can enjoy this weather. 

[Sundog]

78/74, just nasty 

[bluewave]

You know the airmass is record warm when we hit a record high here in Southern CT yesterday with the sun coming out late.

 

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
433 PM EDT SUN JUN 22 2025

...RECORD DAILY HIGH TEMPERATURE SET AT BRIDGEPORT CT...

THE HIGH TEMPERATURE REACHED 93 DEGREES TODAY AT BRIDGEPORT SIKORSKY
AIRPORT. THIS TIES THE OLD RECORD OF 93 DEGREES, SET IN 1949. RECORDS
FOR THE BRIDGEPORT CT AREA GO BACK TO 1948.

ALL CLIMATE DATA ARE CONSIDERED PRELIMINARY UNTIL REVIEWED BY THE
NATIONAL CENTERS FOR ENVIRONMENTAL INFORMATION (NCEI).

[LongBeachSurfFreak]

It’s all going to come down to wind direction for the coast today. EWR is a lock for 100 coming of a low of 82.

[TWCCraig]

10 minutes ago, LongBeachSurfFreak said:

It’s all going to come down to wind direction for the coast today. EWR is a lock for 100 coming of a low of 82.

HRRR has mid 90s for the island before the sea breeze kicks in in the early afternoon.

The NAM doesn't even have Islip hitting 90 today, that will horribly bust lol

[donsutherland1]

8 hours ago, donsutherland1 said:

I don't believe today's light rainfall (0.10" at NYC, 0.08" at LGA and JFK, and 0.06" at Newark) will have much impact on Tuesday's high temperatures. Looking back at Central Park's long record, there were 6 100° days two days after measurable precipitation. In fact, on July 20, 1977, 0.06" rain fell. July 21, 1977 saw the mercury hit 104°. 

The most precipitation that fell two days before a 100° high was 0.36"; the most precipitation that fell one day before a 100° high was 0.16".

The highest temperature two days after 1" or more rain was 99°; the highest temperature one day after 1" or more rain was 97°. 

The highest temperature two days after 2" or more rain was 95°; the highest temperature one day after 2" or more rain was 93°. Both those cases followed 3" or above rainfall.

The highest temperature two days after 4" or more rain was 89°; the highest temperature one day after 4" or more rain was 87°. 

In short, heavier rainfall would have an impact. The light rainfall that occurred today shouldn't have much impact. The development of a sea breeze, cloud cover, and/or humidity will have a larger impact.

Today is on track to become New York City's 10th occurrence with a low temperature of 80° or above one day after measurable rainfall. It would be the first such occurrence in June. The list is below:

[bluewave]

Newark is currently 85° at only 7am. The Euro has the correct temperature from its 0z forecast. It makes a run on 103° later. That would tie the all-time June record set back in 2021. The forecast for tomorrow is a few degrees warmer at 105°.

[Sundog]

Do the people who are all gung ho for record heat and say they like it actually spend any appreciable time in it? Going from an air conditioned car to an air conditioned office to an air condirtioned home does not impress me. 

Granted I think @LibertyBell actually enjoys suffering in heat if he sleeps in temps over 80 voluntarily. I'm not so sure about some other people.

 

[Sundog]

How can the RGEM and GEMLAM be so different for Tuesday?

[SnoSki14]

We're all going to be at 90+ by 10AM at this rate 

[Sundog]

2 minutes ago, SnoSki14 said:

We're all going to be at 90+ by 10AM at this rate 

Most people are between 83 and 86 already on the Ambient Weather stations. 

[bluewave]

Brownsville in Brooklyn is already 89°.

https://www.nysmesonet.org/networks/nyc

Brownsville

Temp: 89°F

[Cfa]

83/79 here, heat index 95.

[bluewave]

101 HX at JFK with 88°/78°.

Kennedy Intl   MOSUNNY   88  78  72 NE3       30.08S HX 101

[Cfa]

They should place a micronet/mesonet station in a sunny part of Central Park for research purposes.

[SACRUS]

 

87 / 75 hot / humid and mainly clear.  72 hour (6/23 - 6/25) the heat - near or record heat this is, is on.  Mid - upper 90s with some of the hottest spots getting to 100 today.   Widerspread 100s minus any of the caveats of clouds and seabreeze.  Could be 3 lows >80 in the metros.   Wed its a race to see if storms/clouds arrive before the hottest spots get to the century mark.   Clouds/showers could muddy up continuing the heatwave on Thu (6/26) before more prominent storms come through later thu into fri/  Friday clouds, showers and onshore keeps it in the 80s/ 70s. 

The weekend looking to conitnue the trend with the threat of showers as the boundary linger near by, otherwise warm-hot / humid.  Next week and leading up to the 4th - overall warm / humid and wetter.  Ridge and heat building north and east towards the 7th.

 

6/23 - 6/25 : Strong Heat - upper 90s, 100s - lows >80
6/26:   Hot/humid storms
6/27:   Break in heat for all - clouds/showers
6/28 - 7/1:   Warm-hot, humid - storms could keep it wet but period of sun (90s possible  1-2)
7/2 - beyond :  Warm / humid -  storms chances . Hotter towards the 6h/7th

[SACRUS]

37 minutes ago, Sundog said:

Do the people who are all gung ho for record heat and say they like it actually spend any appreciable time in it? Going from an air conditioned car to an air conditioned office to an air condirtioned home does not impress me. 

Granted I think @LibertyBell actually enjoys suffering in heat if he sleeps in temps over 80 voluntarily. I'm not so sure about some other people.

 

 

I am let it be hot in the summer and let it snow Thanksgiving to St Pattys day kinda of old timer.  

I do appreciate a dry heat / So Cal Palm Springs style .

[SACRUS]

 

Records:

Highs:

EWR: 99 (2024)
NYC: 96 (1888)
LGA: 99 (1988)
JFK: 94 (2010)

Lows:

EWR: 51 (1992)
NYC: 49 (1918)
LGA: 53 (1940)
JFK: 52 (1992)


Historical:

 

1902 - The temperature at Volcano Springs, CA, soared to 129 degrees to set a June record for the U.S. (Sandra and TI Richard Sanders)

1944 - Four tornadoes killed 153 persons and caused five million dollars damage in Pennsylvania, West Virginia and Maryland. The tornadoes formed during the evening and moved southeast along parallel paths flattening everything in their way. The town of Shinnston WV was leveled, and was left with the majority of the causalities. Until that time it was believed that damaging tornadoes did not travel across mountainous terrain. (David Ludlum)

1944: The deadliest and strongest tornado in the state of West Virginia occurred on this day. The Shinnston Tornado that ravaged a path of destruction from Shinnston to Cheat Mountain, then on to Maryland and ending in Pennsylvania in the Allegheny Mountains, is the only twister to produce F4 damage in West Virginia. This tornado killed 103 people. Click HERE for more information from the History Channel.

 

1954: The temperature climbed to a high of 102 degrees setting a record for the date for Denver, CO. (Ref. Denver, CO Weather History)

 

1957 - A few miles west of Fort Stockton TX, softball size hail injured 21 persons unable to find shelter, mostly farm laborers. Some livestock were killed. (The Weather Channel)

 

1962: Lightning struck and injured a man near Buffalo, southwest of Denver, CO while he was riding in the back of a pick-up truck. He suffered multiple bruises...cuts...and shock. (Ref. Denver, CO Weather History)

1975: Hail up to 3/4 inch in diameter fell at Stapleton International Airport and over other parts of metro Denver, CO. Four funnel clouds were sighted: 10 miles northeast of Denver and south of Boulder and southeast of Boulder and south of Aurora. (Ref. Denver, CO Weather History)

1981: A thunderstorm produced wind gusts to 60 mph in Lttleton, CO. (Ref. Denver, CO Weather History)

1982: Two separate bolts of lightning injured three men in southwest Denver, CO and two buildings were also damaged. (Ref. Denver, CO Weather History)

1987 - A massive hailstorm hit eastern Colorado causing an estimated 60 to 70 million dollars damage. At La Junta, CO, hail as large as softballs caused 37 million dollars damage. (Storm Data) (The National Weather Summary)

1988 - Thirty-four cities reported record high temperatures for the date. The reading of 90 degrees at Bluefield, WV, equalled their record for the month of June. The record high of 104 degrees at Billings, MT, was their thirteenth of the month. (The National Weather Summary)

1989 - Six cities in the High Plains Region reported record low temperatures for the date, including Sheridan, WY, with a reading of 38 degrees. Showers and thunderstorms in the eastern U.S. deluged New Castle County, DE, with 2.5 inches of rain in one hour. (The National Weather Summary)

 

1993: Non-convective high winds developed along the front range foothills near Denver, CO. Wind gusts to 70 mph were common near the foothills with numerous tree limbs broken by the winds. (Ref. Denver, CO Weather History)

1999: Hail as large as 1 inch in diameter was measured in the city of Denver, CO with 3/4 inch hail in Littleton, CO. (Ref. Denver, CO Weather History)

 

2011: Damage shots from the Downers Grove EF-1 tornado Tuesday evening June 23, 2011 11:19 PM | An EF-1 tornado that went through the Downers Grove, Illinois during the evening west of the Chicago area. Greg states that the tornado began about 1 mile from his house in Woodridge, Illinois in the worst thunderstorm Chicago has had since August 2008. A weak EF1 tornado with 90-100mph winds was confirmed over Downers Grove. The tornado tracked literally right over Guy’s house where we have our poker nights every so often. Luckily his house was not damaged, unlike some of his neighbors.

2016: June 22-24. Part of a severe weather outbreak that produced over two dozen tornadoes from Illinois to West Virginia, up to 10 inches of rain fell in just 12-24 hours on June 23, setting off West Virginia's third deadliest flood. Twenty-three people lost their lives.