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Warmth will attempt to make a push  into the region by the weekend as the Southeast ridge flexes. But it’s uncertain how much of a 50/50 low will try to hold on. So the location of any backdoor will determine how warm we can get. The models have been jumping around much more than usual even for the day 6-10 period recently. Very strong west based block near Hudson Bay this month. 

 

12DE43EA-F3C4-4B72-B220-F5261984F53E.gif.17dc5ed8d2511e616997c2aa2f54b4f4.gif

 

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Down to 31 overnight now to 47.  Mainly cooler and dry stretch Mon - Fri / chills Wed  - Fri with some freezes inland and 30s in the metro.  4/27 - 4/30 warmer. Next shot at 70s or 80s Sun-Mon before onshore flow kicks in and carries over to open next month.  We'll see if next month opens wetter too.

 

GOES16-EUS-02-1000x1000.gif 

 

 

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Records:

Highs:

EWR: 87 (1985)
NYC: 86 (2001)
LGA: 85 (2001)
JFK: 82 (2001)


Lows:


EWR: 32 (1947)
NYC: 28 (1875)
LGA: 33 (1947)
JFK: 36 (2021)


Historical:

 

1883 - An outbreak of tornadoes from Louisiana to Kansas claimed the lives to 200 persons. One of the tornadoes destroyed the town of Beauregard MS. (David Ludlum)

1978: Lightning sometimes strikes tents. In this case, a tent containing some sleeping Girl Scouts was hit by lightning as they were camping at DeGray Lake in Arkansas. Two of the Girl Scouts suffered minor burns.

1980 - A record April heat wave sent the mercury up to the 100 degree mark in Iowa. (The Weather Channel)

1987 - Fifteen cities in the southeastern U.S. reported new record high temperatures for the date. The afternoon high of 96 degrees at Pensacola FL established a record for the month of April. (The National Weather Summary)

1988 - Heavy snow fell over northern Nebraska, with 15 inches reported at Mullen. Heavy snow also blanketed the mountains of northern Arizona, with 16 inches reported at Munds Park. (The National Weather Summary) (Storm Data)

1989 - Twenty-seven cities in the central U.S. reported record high temperatures for the date. The high of 96 degrees at Omaha was an April record, and the high of 100 degrees at Lubbock TX equalled their record for April. Hill City KS and Liberal KS tied for honors as the hot spot in the nation with afternoon highs of 103 degrees. (The National Weather Summary)

1990 - Thunderstorms produced severe weather from the Southern and Central High Plains to northwest Florida during the afternoon and evening. Thunderstorms produced wind gusts to 67 mph at Gillette WY, hail two inches in diameter west of Roswell NM, and deluged Cheyenne OK with 8.68 inches of rain leaving some parts of the town under five feet of water. Temperatures reached the low 90s in the north central U.S. Chamberlain SD and Pickstown SD tied Presidio TX for honors as the hot spot in the nation with afternoon highs of 94 degrees. (The National Weather Summary) (Storm Data)

 

1999: A one million dollar air charter Bowling 727 flew into large hail. Although the plane and it 66 occupants landed safely, the aircraft was declared a total loss.

2003: Tropical Storm Ana became the first Atlantic tropical storm since records began in 1871 to form during the month April. Maximum sustained winds reached 55 mph. Starting as a non-tropical area of low pressure on the 18th about 210 miles south-southwest of Bermuda, it was classified as a sub-tropical storm early on the 20th, it gained full tropical characteristics near 0000 UTC on the 21st, developing an "eye" feature.

2011 - Lambert International Airport in St. Louis experiences extensive damage as it is hit by a group of tornados, blowing out windows in the main terminal and tearing the roof off Concourse C. Five people were taken to the hospital with minor injuries from shattered glass and flying debris.

 

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1 hour ago, bluewave said:

The last times NYC dropped under 40° after 4-20 was back in 2021 and 2020. The rarest was during early May in 2020 when it snowed. That was probably the most anomalous cold event of the 2020s so far.

 

Time Series Summary for NY CITY CENTRAL PARK, NY
Click column heading to sort ascending, click again to sort descending.
Ending Date
Lowest Min Temperature Apr 21 to May 31
Missing Count
2023-05-31 43 0
2022-05-31 40 0
2021-05-31 36 0
2020-05-31 34 0
2019-05-31 41 0
2018-05-31 39 0
2017-05-31 44 0
2016-05-31 43 0
2015-05-31 38 0
2014-05-31 41 0
2013-05-31 37 0
2012-05-31 38 0
2011-05-31 40 0
2010-05-31 40 0

 

34 wow, so close to freezing!  Offhand, do you know the latest it's gotten to 32 degrees since 1974 (so over the last 50 years?)

I know the 34 was on May 9th in 2020, what date did that 36 in 2021 occur on?

Thanks!

 

EDIT I CHECKED TONY'S POST AND IT WAS 36 ON THIS DATE IN 2021-- SO THIS MUST BE THE DAY!

CHRIS, DO YOU KNOW WHAT THE LOW WAS IN MAY 2020 at JFK, when Central Park's low was 34? They both received a T of snow, right?

There was no measurable snow in our local area?

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56 minutes ago, bluewave said:

Warmth will attempt to make a push  into the region by the weekend as the Southeast ridge flexes. But it’s uncertain how much of a 50/50 low will try to hold on. So the location of any backdoor will determine how warm we can get. The models have been jumping around much more than usual even for the day 6-10 period recently. Very strong west based block near Hudson Bay this month. 

 

12DE43EA-F3C4-4B72-B220-F5261984F53E.gif.17dc5ed8d2511e616997c2aa2f54b4f4.gif

 

 

Looks similar to the 4/14 - 4/16 warmth progression 4/27 - 4/29, then the onshore / clouds could come back. 850s surging on guidance to >16c this coming Sunday (28th) but we'll seeif the onshore squashes next push 80+

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29 minutes ago, LibertyBell said:

34 wow, so close to freezing!  Offhand, do you know the latest it's gotten to 32 degrees since 1974 (so over the last 50 years?)

I know the 34 was on May 9th in 2020, what date did that 36 in 2021 occur on?

Thanks!

 

EDIT I CHECKED TONY'S POST AND IT WAS 36 ON THIS DATE IN 2021-- SO THIS MUST BE THE DAY!

CHRIS, DO YOU KNOW WHAT THE LOW WAS IN MAY 2020 at JFK, when Central Park's low was 34? They both received a T of snow, right?

There was no measurable snow in our local area?

JFK

5/8/2020:  59 / 39
5/9/2020:  49 / 34
5/10/2020:  64 / 39

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4 minutes ago, LibertyBell said:

Thanks Tony, and a Trace of snow on the 9th?

That high of 49 on May 9th with sunshine (most of the time) is pretty crazy too.

Is that an all time low for the month of May for JFK?

 

No. The record was set on May 9, 1977 with a high temperature of just 43°.

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21 minutes ago, LibertyBell said:

Thanks Tony, and a Trace of snow on the 9th?

That high of 49 on May 9th with sunshine (most of the time) is pretty crazy too.

Is that an all time low for the month of May for JFK?

 

Snowed at my house on the 9th/10th in Westchester.  Walked my dog in the woods with leaf out and snowfall.  I don't think I've ever seen May snow, even living Upstate NY for 22 years.

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9 minutes ago, cleetussnow said:

Snowed at my house on the 9th/10th in Westchester.  Walked my dog in the woods with leaf out and snowfall.  I don't think I've ever seen May snow, even living Upstate NY for 22 years.

I read about May 1977 when the Catskills were buried in over a foot of snow.  I was in the Poconos in May 1977 and got to see it snow all day, which was pretty amazing.

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31 minutes ago, donsutherland1 said:

No. The record was set on May 9, 1977 with a high temperature of just 43°.

Thanks, Don.  Did that date and May 9, 2020 both have a trace of snow at JFK? Also, what was the recorded low at JFK in 1977-- was that their latest temperature of 32 or lower?

Weird to see it repeat on exactly the same date, but that seems to happen quite often!

 

 

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1 minute ago, LibertyBell said:

I read about May 1977 when the Catskills were buried in over a foot of snow.  I was in the Poconos in May 1977 and got to see it snow all day, which was pretty amazing.

I was 5 at the time, and 80 miles west of there.  Could have seen snow then just don't recall.  

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2 hours ago, LibertyBell said:

34 wow, so close to freezing!  Offhand, do you know the latest it's gotten to 32 degrees since 1974 (so over the last 50 years?)

I know the 34 was on May 9th in 2020, what date did that 36 in 2021 occur on?

Thanks!

 

EDIT I CHECKED TONY'S POST AND IT WAS 36 ON THIS DATE IN 2021-- SO THIS MUST BE THE DAY!

CHRIS, DO YOU KNOW WHAT THE LOW WAS IN MAY 2020 at JFK, when Central Park's low was 34? They both received a T of snow, right?

There was no measurable snow in our local area?

2020 set the record for latest 34° on record in NYC.  The last time NYC had a freeze after 4-20 was in 1930. May 2020 was also the 3rd coldest low temperature on record in NYC. JFK tied with 1966 for the coldest reading ever in the month of May.
 


 

Frost/Freeze Summary for NY CITY CENTRAL PARK, NY
Each section contains date and year of occurrence, value on that date.
Click column heading to sort ascending, click again to sort descending.
Year
Last
Value
First
Value
Season Length
2020 05-09 (2020) 34 10-31 (2020) 32 174
1891 05-06 (1891) 32 11-03 (1891) 33 180
1874 05-03 (1874) 33 11-12 (1874) 32 192
1876 04-30 (1876) 34 10-15 (1876) 32 167
1883 04-29 (1883) 34 11-12 (1883) 30 196


 

Frost/Freeze Summary for NY CITY CENTRAL PARK, NY
Each section contains date and year of occurrence, value on that date.
Click column heading to sort ascending, click again to sort descending.
Year
Last
Value
First
Value
Season Length
1891 05-06 (1891) 32 11-04 (1891) 30 181
1874 04-30 (1874) 32 11-12 (1874) 32 195
1919 04-26 (1919) 31 11-14 (1919) 30 201
1892 04-25 (1892) 32 11-11 (1892) 32 199
1888 04-25 (1888) 31 11-17 (1888) 30 205
1930 04-24 (1930) 31 11-06 (1930) 31 195
1872 04-23 (1872) 29 11-16 (1872) 30 206
1875 04-22 (1875) 28 11-02 (1875) 31 193
1925 04-21 (1925) 32 10-29 (1925) 31 190
1922 04-21 (1922) 32 11-21 (1922) 32 213


 

Time Series Summary for NY CITY CENTRAL PARK, NY - Month of May
Click column heading to sort ascending, click again to sort descending.
Rank
Year
Lowest Min Temperature 
Missing Count
1 1891 32 0
2 1874 33 0
3 2020 34 0
4 1947 35 0
- 1880 35 0
5 1977 36 0
- 1966 36 0
- 1913 36 0
- 1876 36 1


 

Time Series Summary for JFK INTERNATIONAL AIRPORT, NY - Month of May
Click column heading to sort ascending, click again to sort descending.
Rank
Year
Lowest Min Temperature 
Missing Count
1 2020 34 0
- 1966 34 0
2 1992 37 0
3 2008 38 0
- 1977 38 0
- 1970 38 0
- 1956 38 0
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5 minutes ago, bluewave said:

2020 set the record for latest 34° on record in NYC.  The last time NYC had a freeze after 4-20 was in 1930. May 2020 was also the 3rd coldest low temperature on record in NYC. JFK tied with 1966 for the coldest reading ever in the month of May.
 


 

Frost/Freeze Summary for NY CITY CENTRAL PARK, NY
Each section contains date and year of occurrence, value on that date.
Click column heading to sort ascending, click again to sort descending.
Year
Last
Value
First
Value
Season Length
2020 05-09 (2020) 34 10-31 (2020) 32 174
1891 05-06 (1891) 32 11-03 (1891) 33 180
1874 05-03 (1874) 33 11-12 (1874) 32 192
1876 04-30 (1876) 34 10-15 (1876) 32 167
1883 04-29 (1883) 34 11-12 (1883) 30 196


 

Frost/Freeze Summary for NY CITY CENTRAL PARK, NY
Each section contains date and year of occurrence, value on that date.
Click column heading to sort ascending, click again to sort descending.
Year
Last
Value
First
Value
Season Length
1891 05-06 (1891) 32 11-04 (1891) 30 181
1874 04-30 (1874) 32 11-12 (1874) 32 195
1919 04-26 (1919) 31 11-14 (1919) 30 201
1892 04-25 (1892) 32 11-11 (1892) 32 199
1888 04-25 (1888) 31 11-17 (1888) 30 205
1930 04-24 (1930) 31 11-06 (1930) 31 195
1872 04-23 (1872) 29 11-16 (1872) 30 206
1875 04-22 (1875) 28 11-02 (1875) 31 193
1925 04-21 (1925) 32 10-29 (1925) 31 190
1922 04-21 (1922) 32 11-21 (1922) 32 213


 

Time Series Summary for NY CITY CENTRAL PARK, NY - Month of May
Click column heading to sort ascending, click again to sort descending.
Rank
Year
Lowest Min Temperature 
Missing Count
1 1891 32 0
2 1874 33 0
3 2020 34 0
4 1947 35 0
- 1880 35 0
5 1977 36 0
- 1966 36 0
- 1913 36 0
- 1876 36 1


 

Time Series Summary for JFK INTERNATIONAL AIRPORT, NY - Month of May
Click column heading to sort ascending, click again to sort descending.
Rank
Year
Lowest Min Temperature 
Missing Count
1 2020 34 0
- 1966 34 0
2 1992 37 0
3 2008 38 0
- 1977 38 0
- 1970 38 0
- 1956 38 0

Wow thanks Chris-- and did May 9th in both 1977 and 2020 record a T of snow in both Central Park and JFK?

 

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6 minutes ago, bluewave said:

2020 set the record for latest 34° on record in NYC.  The last time NYC had a freeze after 4-20 was in 1930. May 2020 was also the 3rd coldest low temperature on record in NYC. JFK tied with 1966 for the coldest reading ever in the month of May.
 


 

Frost/Freeze Summary for NY CITY CENTRAL PARK, NY
Each section contains date and year of occurrence, value on that date.
Click column heading to sort ascending, click again to sort descending.
Year
Last
Value
First
Value
Season Length
2020 05-09 (2020) 34 10-31 (2020) 32 174
1891 05-06 (1891) 32 11-03 (1891) 33 180
1874 05-03 (1874) 33 11-12 (1874) 32 192
1876 04-30 (1876) 34 10-15 (1876) 32 167
1883 04-29 (1883) 34 11-12 (1883) 30 196


 

Frost/Freeze Summary for NY CITY CENTRAL PARK, NY
Each section contains date and year of occurrence, value on that date.
Click column heading to sort ascending, click again to sort descending.
Year
Last
Value
First
Value
Season Length
1891 05-06 (1891) 32 11-04 (1891) 30 181
1874 04-30 (1874) 32 11-12 (1874) 32 195
1919 04-26 (1919) 31 11-14 (1919) 30 201
1892 04-25 (1892) 32 11-11 (1892) 32 199
1888 04-25 (1888) 31 11-17 (1888) 30 205
1930 04-24 (1930) 31 11-06 (1930) 31 195
1872 04-23 (1872) 29 11-16 (1872) 30 206
1875 04-22 (1875) 28 11-02 (1875) 31 193
1925 04-21 (1925) 32 10-29 (1925) 31 190
1922 04-21 (1922) 32 11-21 (1922) 32 213


 

Time Series Summary for NY CITY CENTRAL PARK, NY - Month of May
Click column heading to sort ascending, click again to sort descending.
Rank
Year
Lowest Min Temperature 
Missing Count
1 1891 32 0
2 1874 33 0
3 2020 34 0
4 1947 35 0
- 1880 35 0
5 1977 36 0
- 1966 36 0
- 1913 36 0
- 1876 36 1


 

Time Series Summary for JFK INTERNATIONAL AIRPORT, NY - Month of May
Click column heading to sort ascending, click again to sort descending.
Rank
Year
Lowest Min Temperature 
Missing Count
1 2020 34 0
- 1966 34 0
2 1992 37 0
3 2008 38 0
- 1977 38 0
- 1970 38 0
- 1956 38 0

Very small spread of 43-38 at JFK on May 7, 1977!

43 had to be the lowest low in the month of May at JFK?

 

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3 hours ago, Brian5671 said:

I thought that too-but there are a bunch up for tonight...

Map of Forecast Area

People would be foolish to have warm weather stuff like tomatoes in the garden this early. I still just have cold tolerant vegetables like broccoli and lettuce in the garden right now. Important to wait until early May for the stuff that's sensitive to frost in this area, but I guess they put up these frost advisories for people that plant too early. 

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15 minutes ago, winterwx21 said:

People would be foolish to have warm weather stuff like tomatoes in the garden this early. I still just have cold tolerant vegetables like broccoli and lettuce in the garden right now. Important to wait until early May for the stuff that's sensitive to frost in this area, but I guess they put up these frost advisories for people that plant too early. 

I saw annuals out at Home Depot this weekend-seemed a bit early for that.  At least here you need to wait until 5/7 or so to be safe from frost

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59 minutes ago, TJW014 said:

Started off at 27. Radiational cooling doing its thing in the Pine Barrens. Probably get to around 60 before the inevitable sea breeze pushes in. Good to see the sun out again

Yup, we both have that chilly Pine Barrens night time microclimate. I’ve been amazed just how consistently chilly it gets down here on clear nights. Pretty sure we were right around 0-2 during one of those stronger Arctic pushes in the mid 2010’s, but it was before I had a reliable weather station on my property. 

I’m backed up to woods off 37 near the western border with Manchester / Lakehurst. Can be a pretty chilly little pocket, and slightly more elevated than the downtown area. I’m at about 60-70ft. 

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2 hours ago, SACRUS said:

 

Looks similar to the 4/14 - 4/16 warmth progression 4/27 - 4/29, then the onshore / clouds could come back. 850s surging on guidance to >16c this coming Sunday (28th) but we'll seeif the onshore squashes next push 80+

Early indications are that the blocking will extend at least into early May. So the exact position of the back door will probably have to wait until we are under 120 hrs. Record blocking across Canada since last May. 
 


966EB4E5-3CED-4324-99B1-2A0A0335B5C0.thumb.png.0256d4c2c202240d96fb7b2bbb92a92e.png
 

6FFADEB8-3089-4CFF-B720-BD1C7407D838.gif.7241cb8ddd0ce5af16af1c21d75c1dd3.gif

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2 hours ago, donsutherland1 said:

No. The record was set on May 9, 1977 with a high temperature of just 43°.

Was at a class at Kingsbough College when I took a peak outside and it was snowing..Very strange indeed. And it was blustery and cold..Two months later one of the most famous heatwaves hit NYC, which was during a blackout.

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4 minutes ago, Allsnow said:

This weather stinks 

It's in the 60s and sunny aka normal April weather.

It's not like it's a dreary multi day onshore flow event with temps in the 40s and 50s. 

The weather is beautiful and will be in the 70s soon.

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10 minutes ago, SnoSki14 said:

It's in the 60s and sunny aka normal April weather.

It's not like it's a dreary multi day onshore flow event with temps in the 40s and 50s. 

The weather is beautiful and will be in the 70s soon.

I think it may be in the 80s to near 90 next Monday. We'll see what if any backdoor activity there is and how westerly our surface winds are. If the winds are more southerly, we'll say in the lower 80s. If we see a b-door front Sunday night we'll stay in the 60s/70s.

WX/PT

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46 minutes ago, SnoSki14 said:

It's in the 60s and sunny aka normal April weather.

It's not like it's a dreary multi day onshore flow event with temps in the 40s and 50s. 

The weather is beautiful and will be in the 70s soon.

Yeah not sure what some are looking for-it's sunny 60 and not much wind-I'll take that and  run this time of year any day.

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3 hours ago, LibertyBell said:

Thanks, Don.  Did that date and May 9, 2020 both have a trace of snow at JFK? Also, what was the recorded low at JFK in 1977-- was that their latest temperature of 32 or lower?

Weird to see it repeat on exactly the same date, but that seems to happen quite often!

 

 

No. JFK's lowest May temperature is 34° (May 10, 1966 and May 9, 2020).

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