Alert archive / New York / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 24, NWS New York, NY

May 29, 1995Nassau County, New York

NWS New York, NY issued this severe thunderstorm warning at May 29, 1995, 10:49 PM EDT for Nassau County, New York. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
May 29, 1995, 10:49 PM EDT (02:49 UTC)
Expired
May 29, 1995, 11:15 PM EDT
In force
26 min
Issued by
NWS New York, NY
Area
Whole counties

County Nassau County, NY

The radar

The Brookhaven radar (KOKX), 62 km from the middle of the area, began a volume at 02:49 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, 2.8 hours before the alert went out and 62 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 1995-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 827 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 1995-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 square meters per square second.1939587897Sfc1 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
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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 1 hour 49 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.

IssuedProductOfficeCountiesLasted
May 29, 11:12 PM EDTSevere Thunderstorm WarningOKXSuffolk48 min
May 29, 9:40 PM EDTSevere Thunderstorm WarningOKXEssex, Union50 min
May 29, 9:57 PM EDTSevere Thunderstorm WarningOKXBergen, Hudson33 min
May 29, 8:00 PM EDTSevere Thunderstorm WarningOKXLower Connecticut River Valley Planning Region60 min
May 29, 8:23 PM EDTSevere Thunderstorm WarningOKXSoutheastern Connecticut Planning Region27 min

Nearby

Severe Thunderstorm Warnings in New York, 1995Every 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.