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68 - humidity up with a DT of 67.  Cloudy with some showers into SNJ.  Overnight storms narrow strip for some, looks like EWR/NYC didnt record any rain.  Should get to partly cloudy and warm to the low / mid 80s.  Clouds back later this evening and a warm and wet Memorial Day tomorrow.   Beyond that as we close May, trough into the east, perhaps some storms  Wed evening / THu, but overall near normal to below - coolest Thu (5/30) - Fri (5/31).   Overall trough east / ridge west pattern through the 8th - signal for cut offs still persists ECM keeps it offshore.  We'll see if the similar progression has a back and forth (1-2) warm up between troughs. Heat is evasive next 2 weeks. Perhaps a window for a day or 2 between troughs.

 

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Records:

Highs:

EWR: 96 (1965)
NYC: 95 (1880)
LGA: 94 (2010)
JFK: 91 (2010)


Lows:

EWR: 44 (1967)
NYC: 41 (1967)
LGA: 45 (1972)
JFK: 42 (1967)

Historical:

 

1771 - A famous Virginia flood occurred as heavy rains in the mountains brought all rivers in the state to record high levels. (Sandra and TI Richard Sanders - 1987)

1917 - A tornado touched down near Louisiana MO about noon and remained on the ground for a distance of 293 miles, finally lifting seven hours and twenty minutes later in eastern Jennings County, IN. The twister cut a swath of destruction two and a half miles wide through Mattoon, IL. There were 101 persons killed in the tornado, including 53 at Mattoon, and 38 at Charleston IL. Damage from the storm totalled 2.5 million dollars. (David Ludlum)

1984 - Thunderstorms during the late evening and early morning hours produced 6 to 13 inches of rain at Tulsa OK in six hours (8.63 inches at the airport). Flooding claimed fourteen lives and caused 90 million dollars property damage. 4600 cars, 743 houses, and 387 apartments were destroyed or severely damage in the flood. (Storm Data) (The Weather Channel)

1987 - Thunderstorms in southwest Iowa spawned five tornadoes and produced up to ten inches of rain. Seven inches of rain at Red Oak forced evacuation of nearly 100 persons from the town. Record flooding took place in southwest Iowa the last twelve days of May as up to 17 inches of rain drenched the area. Total damage to crops and property was estimated at 16 million dollars. (The National Weather Summary) (Storm Data)

1988 - There was "frost on the roses" in the Upper Ohio Valley and the Central Appalachian Mountain Region. Thirteen cities reported record low temperatures for the date, including Youngstown OH with a reading of 30 degrees. Evening thunderstorms in North Dakota produced wind gusts to 75 mph at Jamestown. (Storm Data) (The National Weather Summary)

1989 - Thunderstorms in produced large hail in eastern Oklahoma during the pre-dawn hours, and again during the evening and night. Hail two inches in diameter was reported near Prague, and thunderstorm winds gusted to 70 mph near Kenefic. (Storm Data) (The National Weather Summary)

1990 - Thunderstorms produced severe weather from eastern Colorado to western Arkansas and northeastern Texas. Severe thunderstorms spawned three tornadoes, and there were eighty-eight reports of large hail or damaging winnds. Evening thunderstorms over central Oklahoma spawned strong tornadoes east of Hinton and east of Binger, produced hail three inches in diameter at Minco, and produced wind gusts to 85 mph at Blanchard. (Storm Data) (The National Weather Summary)

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This could be the first spring that one of our stations like Newark recorded at least a trace of rain on every spring weekend. 
 

Newark 

May 25-25…..T

May 18-19…..0.04

May 11-12…0.38

May 4-5…..0.31

Apr 27-28…0.11

Apr 20-21…0.05

Apr 13-14…0.04

Apr 6-7…….T

Mar 30-31…0.01

Mar 23-24….3.10

Mar 16-17…..T

Mar 9-10….1.46

Mar 2-3…..1.31

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21 minutes ago, Stormlover74 said:

Models are still inconsistent with timing tomorrow. Nam is morning and afternoon. Euro is mid afternoon and night. Rgem seems to match euro 

Gfs is also late afternoon

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Yeah tomorrow not looking quite as impressive as it did a few days ago, but there will still be some t-storms and heavy downpours around. Probably will be some spots that get 1 to 2 inches of rain. 

That looks like quite an airmass coming in for late week to close out the month. Dewpoints might fall to the 30s. We're gonna have some cool nights. 

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Some localized 2”+ amounts possible tomorrow to the north and west of NYC on the SPC HREF mean. The max is more robust. But it’s always uncertain if we can reach the max totals. So sometimes we end up with amounts in between. 
 

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3 hours ago, Cfa said:

Every time I hear the Blue Angels I think it’s thunder. I’m pretty far away from ISP, I’m surprised I can hear them.

79 here, had a brief shower this morning that has now evaporated.

Wasn’t the blue angles, they were half way through the show (they are at the end) and they had cancel the show. A ridiculously thick fog bank rolled in off the ocean. It’s still so foggy here at jones beach we have the water closed as we can’t see the water from the life guard stand. And speaking of the water it’s incredibly warm for this early in the season. A couple sunny warm days and light winds and it’s in the mid 60s

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Showers and thunderstorms are likely tomorrow, even as there could be some sunshine. A general 0.50"-1.00" rainfall with locally higher amounts is likely. Following the rainfall, Tuesday will likely see the mercury rise into the lower 80s. Cooler air will arrive to end the work week.

The latest summer guidance continues to suggest a warmer to much warmer than normal summer lies ahead.  

The ENSO Region 1+2 anomaly was -1.1°C and the Region 3.4 anomaly was +0.2°C for the week centered around May 15. For the past six weeks, the ENSO Region 1+2 anomaly has averaged -0.25°C and the ENSO Region 3.4 anomaly has averaged +0.57°C. Neutral conditions are imminent.

The SOI was +9.44 today.

The preliminary Arctic Oscillation (AO) was +0.554 today.

On May 24 the MJO was in Phase 3 at an amplitude of 1.671 (RMM). The May 23-adjusted amplitude was 1.719 (RMM).

Based on sensitivity analysis applied to the latest guidance, there is an implied 99% probability that New York City will have a warmer than normal May (1991-2020 normal). May will likely finish with a mean temperature near 65.1° (1.9° above normal).

 

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