Alert archive / New York / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 5, NWS New York, NY

May 3, 20254 counties in New York

NWS New York, NY issued this severe thunderstorm warning at May 3, 2025, 10:37 PM EDT for 4 counties in New York. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 3, 2025, 10:37 PM EDT (02:37 UTC)
Expired
May 3, 2025, 11:15 PM EDT
In force
38 min
Issued by
NWS New York, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bronx County, NY, New York County, NY, Queens County, NY, Westchester County, NY

The radar

The Brookhaven radar (KOKX), 85 km from the middle of the area, began a volume at 02:41 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 2.6 hours before the alert went out and 85 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 00:00Z on 2025-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2025-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
25 J/kg
Mixed-layer CIN
-247 J/kg
Mixed-layer LCL
1088 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
195 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS New York, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at May 3, 7:59 PM EDT, 2 hours 38 minutes earlier.

Area forecast discussion, May 3, 7:59 PM EDT, 2 hours 38 minutes before
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Hazardous weather outlook, May 3, 5:47 PM EDT, 4 hours 50 minutes before
Hazardous Weather Outlook
National Weather Service New York NY
547 PM EDT Sat May 3 2025

CTZ005>012-NJZ002-004-006-103>108-NYZ067>075-078>081-176>179-042200-
Northern Fairfield-Northern New Haven-Northern Middlesex-
Northern New London-Southern Fairfield-Southern New Haven-
Southern Middlesex-Southern New London-Western Passaic-
Eastern Passaic-Hudson-Western Bergen-Eastern Bergen-Western Essex-
Eastern Essex-Western Union-Eastern Union-Orange-Putnam-Rockland-
Northern Westchester-Southern Westchester-New York (Manhattan)-Bronx-
Richmond (Staten Island)-Kings (Brooklyn)-Northwest Suffolk-
Northeast Suffolk-Southwest Suffolk-Southeast Suffolk-
Northern Queens-Northern Nassau-Southern Queens-Southern Nassau-
547 PM EDT Sat May 3 2025

This Hazardous Weather Outlook is for southern Connecticut,
northeast New Jersey and southeast New York.

.DAY ONE...Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time that would meet NWS
warning criteria.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

&&

This Hazardous Weather Outlook provides a summary of potential
widespread hazardous weather events that may reach NWS warning
criteria. Most long fused NWS watches, warnings, and advisories in
effect are highlighted.

Please refer to the latest NWS forecasts for weather not meeting NWS
warning criteria.

ANZ331-332-335-338-340-345-350-353-355-042200-
Long Island Sound East of New Haven CT/Port Jefferson NY to the
Mouth of the Connecticut River-
Long Island Sound East of the Mouth of the Connecticut River-
Long Island Sound West of New Haven CT/Port Jefferson NY-
New York Harbor-Peconic and Gardiners Bays-
South Shore Bays from Jones Inlet through Shinnecock Bay-
Moriches Inlet NY to Montauk Point NY out 20 nm-
Fire Island Inlet NY to Moriches Inlet NY out 20 nm-
Sandy Hook NJ to Fire Island Inlet NY out 20 nm-
547 PM EDT Sat May 3 2025

This Hazardous Weather Outlook is for Atlantic coastal waters.

.DAY ONE...Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

No hazardous weather is expected at this time that would meet NWS
warning criteria.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

&&

This Hazardous Weather Outlook provides a summary of potential
widespread hazardous weather events that may reach NWS warning
criteria. Most long fused NWS watches, warnings, and advisories in
effect are highlighted.

Please refer to the latest NWS forecasts for weather not meeting NWS
warning criteria.

In the hours before

Special weather statement, May 3, 5:25 PM EDT, 5 hours 12 minutes before
Special Weather Statement
National Weather Service New York NY
525 PM EDT Sat May 3 2025

CTZ008-032145-
Northern New London CT-
525 PM EDT Sat May 3 2025

...A STRONG THUNDERSTORM WILL IMPACT NORTH CENTRAL NEW LONDON COUNTY
THROUGH 545 PM EDT...

At 525 PM EDT, Doppler radar was tracking a strong thunderstorm over
Lebanon, or over Windham, moving northeast at 35 mph.

HAZARD...Wind gusts up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to outdoor objects is
         possible.

Locations impacted include...
Norwich, Griswold, Lebanon, Lisbon, Sprague, Bozrah, and Franklin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4166 7216 4166 7212 4163 7195 4155 7222
      4166 7230 4167 7228 4167 7227 4169 7227
      4170 7225 4171 7224
TIME...MOT...LOC 2125Z 242DEG 38KT 4168 7219

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

JE
Special weather statement, May 3, 5:30 PM EDT, 5 hours 7 minutes before
Special Weather Statement
National Weather Service New York NY
530 PM EDT Sat May 3 2025

CTZ009-NJZ002-004-103-104-NYZ069-070-032215-
Southern Fairfield CT-Western Bergen NJ-Western Passaic NJ-
Eastern Bergen NJ-Eastern Passaic NJ-Rockland NY-
Northern Westchester NY-
530 PM EDT Sat May 3 2025

...A STRONG THUNDERSTORM WILL IMPACT SOUTHERN FAIRFIELD...CENTRAL
PASSAIC...NORTHERN BERGEN...NORTHERN WESTCHESTER AND ROCKLAND
COUNTIES THROUGH 615 PM EDT...

At 529 PM EDT, Doppler radar was tracking a strong thunderstorm over
Pompton Lakes, moving northeast at 45 mph.

HAZARD...Winds in excess of 30 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to outdoor objects is
         possible.

Locations impacted include...
Paterson, Stamford, Wayne, New City, Ossining, Ridgewood, Monsey,
Nanuet, Ramsey, Ringwood, Haverstraw, Tarrytown, Pompton Lakes, Mount
Kisco, and Suffern.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4104 7443 4134 7381 4135 7368 4114 7353
      4108 7371 4110 7373 4105 7380 4088 7425
      4093 7429 4097 7428 4098 7430 4100 7430
      4101 7439
TIME...MOT...LOC 2129Z 241DEG 38KT 4100 7429

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

JE
Special weather statement, May 3, 5:54 PM EDT, 4 hours 43 minutes before
Special Weather Statement
National Weather Service New York NY
554 PM EDT Sat May 3 2025

NJZ105>108-032215-
Eastern Union NJ-Eastern Essex NJ-Western Union NJ-Western Essex NJ-
554 PM EDT Sat May 3 2025

...STRONG THUNDERSTORMS WILL IMPACT CENTRAL UNION AND ESSEX COUNTIES
THROUGH 615 PM EDT...

At 551 PM EDT, Doppler radar was tracking a cluster of strong
thunderstorms over Madison, or near Summit, moving northeast at 30
mph.

HAZARD...Wind gusts up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to outdoor objects is
         possible.

Locations impacted include...
Newark, Orange, Summit, Millburn, Caldwell, Fairfield, Union, East
Orange, Irvington, West Orange, Montclair, Westfield, Livingston,
Maplewood, and Scotch Plains.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4067 7440 4066 7444 4065 7445 4067 7446
      4073 7438 4076 7436 4076 7438 4079 7437
      4082 7433 4086 7432 4087 7434 4090 7434
      4091 7429 4088 7425 4075 7416 4074 7417
      4069 7412 4068 7414 4062 7442
TIME...MOT...LOC 2151Z 242DEG 24KT 4074 7443

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

JE
Special weather statement, May 3, 6:44 PM EDT, 3 hours 53 minutes before
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Local storm report, May 3, 7:45 PM EDT, 2 hours 52 minutes before
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Local storm report, May 3, 7:55 PM EDT, 2 hours 42 minutes before
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The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 3, 9:43 PM EDTSpecial Weather StatementOKXRichmond47 min
May 3, 10:15 PM EDTSpecial Weather StatementOKXBronx, New York45 min
May 3, 11:03 PM EDTSpecial Weather StatementOKXWestchester42 min
May 4, 12:18 AM EDTSpecial Weather StatementOKXOrange27 min
May 4, 1:02 AM EDTSpecial Weather StatementOKX28 min

Nearby

Severe Thunderstorm Warnings in New York, 2025Every severe thunderstorm warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.