Alert archive / New York / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 25, NWS New York, NY

May 29, 1995Suffolk County, New York

NWS New York, NY issued this severe thunderstorm warning at May 29, 1995, 11:12 PM EDT for Suffolk County, New York. It was in force for 48 min.

The area

The counties it named.

The facts

Issued: May 29, 1995, 11:12 PM EDT (03:12 UTC)
Expired: May 30, 1995, 12:00 AM EDT
In force: 48 min
Issued by: NWS New York, NY
Area: Whole counties

County Suffolk County, NY

The radar

The Brookhaven radar (KOKX), 17 km from the middle of the area, began a volume at 03:15 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, 3.2 hours before the alert went out and 17 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 827 J/kg
Mixed-layer CIN: -193 J/kg
Mixed-layer LCL: 550 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 245 m²/s²
0-3 km storm-relative helicity: 291 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KNYC 300312
SVRNYC
NYC103-300400-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1112 PM EDT MON MAY 29 1995
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST NEW YORK
 
   ...SUFFOLK COUNTY
 
AND THE ADJACENT COASTAL WATERS
 
 
A SEVERE THUNDERSTORM WHICH PRODUCED HAIL THE SIZE OF QUARTERS IS
MOVING INTO WESTERN SUFFOLK COUNTY ABOUT 5 MILES SW OF ISLIP.
THIS THUNDERSTORM WILL CONTINUE TO MOVE EAST AT 30 MPH AND PRODUCE
GUSTY WINDS AND HAIL OVER SUFFOLK COUNTY.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
 
&

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.

In the hours before

Special weather statement, May 29, 9:00 PM EDT, 2 hours 12 minutes before

NJZ001-002-004-007>010-NYZ067-068-300300-

SPECIAL WEATHER STATEMENT...EXTENDING SEVERE THUNDERSTORM WATCH
NATIONAL WEATHER SERVICE NEW YORK NY
900 PM EDT MON MAY 29 1995

...A SEVERE THUNDERSTORM WATCH HAS BEEN EXTENDED UNTIL 1100 PM EDT
FOR THE FOLLOWING SOUTHERN NEW YORK COUNTIES...ORANGE...AND PUTNAM...
AND FOR THE FOLLOWING COUNTIES OF NEW JERSEY...SUSSEX...PASSAIC...
WARREN...MORRIS...HUNTERDON...AND SOMERSET.

THE THREAT OF SEVERE WEATHER REBMAINS UNTIL 1100 PM FOR THESE
COUNTIES.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 10:49 PM EDT	Severe Thunderstorm Warning	OKX	Nassau	26 min

Nearby

Severe Thunderstorm Warnings in New York, 1995 Every severe thunderstorm warning in 1995

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.