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Home Return to list Severe Thunderstorm Warning 0003 Issued by the New York / Upton Forecast Office
Action: New Issued At: 2026-05-20 15:32:59
260
WUUS51 KOKX 202032
SVROKX
NYC103-202115-
/O.NEW.KOKX.SV.W.0003.260520T2032Z-260520T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
432 PM EDT Wed May 20 2026
The National Weather Service in Upton NY has issued a
* Severe Thunderstorm Warning for...
West central Suffolk County in southeastern New York...
* Until 515 PM EDT.
* At 432 PM EDT, a severe thunderstorm was located over Northport,
moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines.
* This severe thunderstorm will be near...
Stony Brook around 445 PM EDT.
Port Jefferson around 450 PM EDT.
Mount Sinai around 455 PM EDT.
Rocky Point around 505 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4087 7345 4095 7344 4094 7342 4097 7339
4094 7334 4095 7329 4092 7322 4093 7317
4097 7317 4099 7312 4098 7306 4098 7291
4085 7296
TIME...MOT...LOC 2032Z 263DEG 28KT 4094 7332
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JT
Action: Continued Issued At: 2026-05-20 15:52:59
755
WWUS51 KOKX 202052
SVSOKX
Severe Weather Statement
National Weather Service New York NY
452 PM EDT Wed May 20 2026
NYC103-202115-
/O.CON.KOKX.SV.W.0003.000000T0000Z-260520T2115Z/
Suffolk NY-
452 PM EDT Wed May 20 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR WESTERN SUFFOLK COUNTY...
At 452 PM EDT, a severe thunderstorm was located over Port Jefferson,
moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
This severe storm will be near...
Port Jefferson and Mount Sinai around 455 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4087 7327 4093 7327 4093 7325 4092 7322
4093 7317 4095 7317 4096 7294 4085 7296
TIME...MOT...LOC 2052Z 263DEG 28KT 4096 7311
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JT
Action: Cancelled Issued At: 2026-05-20 16:04:30
118
WWUS51 KOKX 202104
SVSOKX
Severe Weather Statement
National Weather Service New York NY
504 PM EDT Wed May 20 2026
NYC103-202113-
/O.CAN.KOKX.SV.W.0003.000000T0000Z-260520T2115Z/
Suffolk NY-
504 PM EDT Wed May 20 2026
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN SUFFOLK COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However, gusty winds and
heavy rain are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southeastern New York.
&&
LAT...LON 4087 7327 4093 7327 4093 7325 4092 7322
4093 7317 4095 7317 4096 7294 4085 7296
TIME...MOT...LOC 2102Z 263DEG 28KT 4097 7299
$$
JT
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