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March 2025


snowman19
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Islip tied its warmest March temperature at 82°. It’s the 3rd top 10 warmest March high temperature in the 2020s. It was also the greatest 6 hour temperature drop in March. The chart below only uses temperatures on the hour so the actual drop was 2° more.

Time Series Summary for ISLIP-LI MACARTHUR AP, NY - Month of Mar
Click column heading to sort ascending, click again to sort descending.
1 2025 82 2
- 1990 82 0
3 1998 81 0
4 1991 79 0
5 2021 78 0
6 2011 77 0
7 2012 75 0
- 2007 75 0
8 1985 74 0
9 2024 73 0
- 2016 73 0
- 1999 73 0
10 1989 72 0
- 1977 72 0
15 2010 71 0


 

IMG_3334.thumb.png.f32c04bf4154d0d4d0557dec5b457b3e.png
 

 

 

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21 minutes ago, bluewave said:

Islip tied its warmest March temperature at 82°. It’s the 3rd top 10 warmest March high temperature in the 2020s. It was also the greatest 6 hour temperature drop in March. The chart below only uses temperatures on the hour so the actual drop was 2° more.

Time Series Summary for ISLIP-LI MACARTHUR AP, NY - Month of Mar
Click column heading to sort ascending, click again to sort descending.
1 2025 82 2
- 1990 82 0
3 1998 81 0
4 1991 79 0
5 2021 78 0
6 2011 77 0
7 2012 75 0
- 2007 75 0
8 1985 74 0
9 2024 73 0
- 2016 73 0
- 1999 73 0
10 1989 72 0
- 1977 72 0
15 2010 71 0


 

IMG_3334.thumb.png.f32c04bf4154d0d4d0557dec5b457b3e.png
 

 

 

One thing is for sure, the “pro” met who forecasted a cold and snowy March in the northeast and used 1888, 1958, 1993, 2014, 2015 and 2018 as his analogs failed massively. A monumental, epic bust 

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10 hours ago, Picard said:

On the Rutgers website, find New Brunswick and check the 5 minute data.  
Am I seeing a 23 degree drop in five minutes between 18:50 and 18:55??  Or am I nuts?
Check Holmdel.  24 degree drop in fifteen minutes?

 

Yes, I'm a few minutes south of the station.  Winds picked up too big time. East Brunswick went from 78 to 58 in 15 minutes

 

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44 / 43 cloudy and raw. Maybe we'll get to 50 / low 50s.  Much warmer Monday with 70s but clouds/ rain and tstorms could dump 0.50 - 1.00 inch.  Back and forth to colder Tue/Wed  keeping in the 50s Tue and much cooler Wed (similar to Sunday).  Warms to the 70s by Thu with more rain showers and light rain.  Wet weekend.  A solid 1.5 - 2+ inches of rain the next 7 days to add to the recent wetter period.  Beyond there trough into the noretheast 4/8 - 4/12 and cooler.

 

GOES16-EUS-02-1000x1000.gif

 

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Records:

Highs:

EWR: 86 (1998)
NYC: 82 (1998)
LGA: 79 !(1998)
JFK: 72 (1979)


Lows:

EWR: 22 (1970)
NYC: 16 (1887)
LGA: 23 (1970)
JFK: 22 (1970)

Historical:

 

1805: New York's City's Battery Park was strewn with 24-inch snow rollers, from a ferocious storm between the March 26th and March 28th. Snow rollers are natural snowballs that are formed when winds blow over a snow-covered surface.

 

1823 - A great Northeast storm with hurricane force winds raged from Pennsylvania to Maine. The storm was most severe over New Jersey with high tides, uprooted trees, and heavy snow inland. (David Ludlum)

1848: On six reported occasions, the water flow over the American Falls has been entirely blocked by ice and ceased to fall. But only once has this happened on the much larger Horseshoe Falls. 

1899 - A storm which buried Ruby, CO, under 141 inches of snow came to an end. Ruby was an old abandoned mining town on the Elk Mountain Range in the Crested Butte area. (The Weather Channel)

1977 - Hartford, CT, hit 87 degrees to establish a record for the month of March. (The Weather Channel)

1987 - A storm spread heavy snow across the Ohio Valley and Lower Great Lakes Region. Cleveland OH received sixteen inches of snow in 24 hours, their second highest total of record. Winds gusting to 50 mph created 8 to 12 foot waves on Lake Huron. The storm also ushered unseasonably cold air into the south central and southeastern U.S., with nearly one hundred record lows reported in three days. (The National Weather Summary) (Storm Data)

1988 - A winter-like storm developed in the Central Rockies. Snowfall totals in Utah ranged up to 15 inches at the Brian Head Ski Resort, and winds in Arizona gusted to 59 mph at Show Low. (The National Weather Summary) (Storm Data)

1989 - Thunderstorms developing along and ahead of a slow moving cold front produced large hail and damaging winds at more than fifty locations across the southeast quarter of the nation, and spawned a tornado which injured eleven persons at Northhampton NC. (The National Weather Summary) (Storm Data)

1990 - Low pressure produced heavy snow in central Maine and northern New Hampshire, with up to eight inches reported in Maine. A slow moving Pacific storm system produced 18 to 36 inches of snow in the southwestern mountains of Colorado in three days. Heavier snowfall totals included 31 inches at Wolf Creek Pass and 27 inches at the Monarch Ski Area. (The National Weather Summary) (Storm Data)

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5 minutes ago, JustinRP37 said:

Yesterday was very impressive. Seeing people ski in snow in VT to us being in the 70s/80s. Simply amazing. I would have loved to fly from LGA to BOS and back to see that crazy gradient 

F Boston, 35 and misery mist… No thanks, I’d fly to Burlington for 30 and snow anytime….

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Temperatures will rebound tomorrow. It will be unseasonably warm  with highs in the middle and upper 60s. A cold front will move slowly across the region tomorrow and tomorrow night. It could be accompanied by strong thunderstorms, damaging winds, and heavy rainfall. A general 0.50"-1.50" rainfall with locally higher amounts is possible from late tomorrow afternoon through Tuesday morning.

The temperature roller coaster will again dip for Tuesday and Wednesday before unseasonable warmth returns on Thursday.

An AI random forest model currently suggests that April could wind up near or even somewhat below normal in New York City. A random forest model is a machine learning algorithm that combines the output of multiple decision trees to handle non-linear relationships to reach a single result.  

The ENSO Region 1+2 anomaly was +0.9°C and the Region 3.4 anomaly was -0.1°C for the week centered around March 19. For the past six weeks, the ENSO Region 1+2 anomaly has averaged +1.00°C and the ENSO Region 3.4 anomaly has averaged -0.18°C. Neutral ENSO conditions will likely continue into at least late spring.

The SOI was +2.54 today.

The preliminary Arctic Oscillation (AO) was +1.260 today.

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 March (1991-2020 normal). March will likely finish with a mean temperature near 46.9° (4.2° above normal). That would tie March 1979 as the 11th warmest March on record.

 

 

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