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April 2023


Rtd208
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Records:

 

Highs:

EWR: 91 (1974)
NYC: 89 (1974)
LGA: 88 (2017)

Lows:

EWR: 35 (1947)
NYC: 32 (1874)
LGA: 39 (1977)

 

Historical:

1905 - The town of Taylor, in southeastern Texas, was deluged with 2.4 inches of rain in fifteen minutes. (The Weather Channel)

1910 - The temperature at Kansas City, MO, soared to 95 degrees to establish a record for the month of April. Four days earlier the afternoon high in Kansas City was 44 degrees, following a record cold morning low of 34 degrees. (The Weather Channel) (The Kansas City Weather Almanac)

1963 - A tornado, as much as 100 yards in width, touched down south of Shannon, MS. The tornado destroyed twenty-seven homes along its eighteen mile path, killing three persons. Asphalt was torn from Highway 45 and thrown hundreds of yards away. Little rain or snow accompanied the tornado, so it was visible for miles. (The Weather Channel)

1973 - The Mississippi River reached a crest of 43.4 feet, breaking the prevous record of 42 feet established in 1785. (David Ludlum)

1987 - A storm off the southeast coast of Massachusetts blanketed southern New England with heavy snow. Totals of three inches at Boston MA, 11 inches at Milton MA, and 17 inches at Worcester MA, were records for so late in the season. Princeton MA was buried under 25 inches of snow. (The National Weather Summary) (Storm Data)

1988 - Thunderstorms produced large hail and high winds in central Texas. Baseball size hail was reported at Nixon, and wind gusts to 70 mph were reported at Cotulla. Heavy rain in Maine caused flooding along the Pemigewassett and Ammonoosuc Rivers. (The National Weather Summary) (Storm Data)

1989 - Thunderstorms produced severe weather in Arkansas, Louisiana and eastern Texas, with more than 70 reports of large hail and damaging winds. Softball size hail was reported at Palestine TX. Hail as large as tennis balls caused ten million dollars damage around Pine Bluff AR. (The National Weather Summary) (Storm Data)

1990 - A storm system crossing northern New Mexico blanketed parts of the Rocky Mountain Region and the Northern High Plains with heavy snow, and produced blizzard conditions in central Montana. Much of southern Colorado was buried under one to three feet of snow. Pueblo tied an April record with 16.8 inches of snow in 24 hours. Strong canyon winds in New Mexico, enhanced by local showers, gusted to 65 mph at Albuquerque. Afternoon temperatures across the Great Plains Region ranged from the 20s in North Dakota to 107 degrees at Laredo TX. (The National Weather Summary) (Storm Data)

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4 hours ago, psv88 said:

Would be nice if the rain fell during the week. Otherwise it’s fine 

Great soaking for the garden and I'm glad we're wiping out the rainfall deficit, but yeah hopefully we won't have any more weekend washouts for awhile. I see 12z Euro took away the rain for next saturday. Hopefully the models are right about nice weather next weekend. Also looks as if we'll get back to nice temps in the 70s starting around next sunday. 

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A storm continued to bring rain to the New York City area this evening. The largest amounts had fallen in a general area that included Newark and New York City.

Through 5 pm, New York City had seen 2.32" of rain. That easily surpassed the old daily mark of 0.91" from 1909. At Newark, 2.89" had fallen, washing away the daily record of 0.82" from 1958. Two-day rainfall at New York City (2.65") and Newark (3.30") was the highest two-day figure since October 26-27, 2021.

After a mainly cloudy and cool night with some drizzle and light rain, another moderate to significant rainfall is likely tomorrow into Monday. Coastal flooding could also be possible at times of high tide.

A cool pattern remains in place. That pattern will likely continue through the opening week of May. There remains some uncertainty beyond the first week of May, but support for a warming trend toward normal and then above normal during the second week of the month has increased.

April 2023 remains on a trajectory that will rank it among the 10 warmest Aprils on record in the northern Middle Atlantic region. The potential exists for some locations to challenge their warmest April on record. A cool end to the month won't be sufficient to avoid top 10 warmth.

The most recent April case to rank among the 10 warmest was:

Boston: 51.7°, 2019 (5th warmest)
Bridgeport: 54.0°, 2017 (1st warmest)
Islip: 51.9°, 2019 (6th warmest)
New Haven: 50.8°, 2022 (6th warmest)
New York City-Central Park: 57.2°, 2017 (2nd warmest)
New York City-JFK Airport: 55.1°, 2017 (2nd warmest)
New York City-LaGuardia Airport: 57.6°, 2017 (2nd warmest)
Newark: 57.2°, 2017 (4th warmest)
Philadelphia: 59.0°, 2019 (3rd warmest)
Poughkeepsie: 53.0°, 2017 (3rd warmest)
White Plains: 53.9°, 2017 (2nd warmest)

The ENSO Region 1+2 anomaly was +2.5°C and the Region 3.4 anomaly was +0.3°C for the week centered around April 19. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +2.20°C and the ENSO Region 3.4 anomaly has averaged +0.08°C. Neutral ENSO conditions will likely prevail through at least mid-spring. El Niño conditions will very likely develop during the summer.

The SOI was +10.89 today.

The preliminary Arctic Oscillation (AO) was -1.686 today.

On April 27 the MJO was in Phase 2 at an amplitude of 1.760 (RMM). The April 26-adjusted amplitude was 1.846 (RMM).

Based on sensitivity analysis applied to the latest guidance, there is an implied near 100% probability that New York City will have a warmer than normal April (1991-2020 normal). April will likely finish with a mean temperature near 57.7° (4.0° above normal). That would be the second warmest April on record.

 

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Over the last few days I've literally been in every zone in the state. As of Friday afternoon there are still large areas of the Southern Tier, WNY and the Adirondacks that are just making the turn from stick season to mosquito season. The early bloom and full on spring is really only over about 40% of the state. 

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45 minutes ago, SnoSki14 said:

Models sort of all over the place with rain amounts today.

I do wonder if we'll be dry slotted with low going right over us with heavy rains west & east of us. 

Very chilly first few days of May. GFS has highs in the 40s on Wednesday with graupel likely 

I'd agree...heaviest amts west of NYC most likely

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The last day of April is averaging     56degs.(52/60) or -2.

First 7 days of May are averaging   53degs.(47/59) or -7.     Normal by the 7th. and AN the 10th+.

Month to date is     57.7[+4.2].        April will end at     57.7[+4.3]---2nd. Place.

Reached 54 yesterday during PM.

Today:    56-61, wind e. to w.-breezy, Rain Noon-midnight, 49 tomorrow AM.

52*(99%RH) here at 7am(Fog, 0.5mi){51 overnight).   53* at 8am.    55* at 9am.     58* at 10:30am.      Reached 59* at 1pm.      56* at 4pm-5pm(thunder/heavy rain).

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52 foggy 2.4 in the bucket so far.  More today looking like 1.5 or so.  Outside of a day or two with some sun (Mon , next sunday), in this cool/wet and cloudy pattern through the next week.  Looks sub 70 stretch.  Upper /cut off lows impacting the area the next 7 - 10 days.  Heights rising by day 11 and perhaps a push to a sbsequent warmer transition.  Similar periods seem to turn with some heat.

 

wcbstristateradar.gif

 

GOES16-EUS-02-1000x1000.gif

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1 hour ago, SnoSki14 said:

Models sort of all over the place with rain amounts today.

I do wonder if we'll be dry slotted with low going right over us with heavy rains west & east of us. 

Very chilly first few days of May. GFS has highs in the 40s on Wednesday with graupel likely 

Gfs and euro can't even agree 6 hours before an event

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3 hours ago, SnoSki14 said:

Models sort of all over the place with rain amounts today.

I do wonder if we'll be dry slotted with low going right over us with heavy rains west & east of us. 

Very chilly first few days of May. GFS has highs in the 40s on Wednesday with graupel likely 

Looks like that is what’s happening 

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