Alert archive / New York / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 87, NWS Buffalo, NY

August 20, 1996Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 20, 1996, 8:46 PM EDT for Jefferson County, New York. It was in force for 59 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
Aug 20, 1996, 8:46 PM EDT (00:46 UTC)
Expired
Aug 20, 1996, 9:45 PM EDT
In force
59 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Jefferson County, NY

The nearest sounding before it

Albany, NY (KALB), launched 00:00Z, 0.8 hours before the alert went out and 231 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, Albany, NY at 00:00Z on 1996-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 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, Albany, NY at 00:00Z on 1996-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 square meters per square second.1939Sfc1 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
60 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1253 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 210047
SVRBUF
NYC045-210145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
846 PM EDT TUE AUG 20 1996

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH NEW YORK

   ...SOUTHERN JEFFERSON COUNTY
 
AT 845 PM DOPPLER WEATHER RADAR INDICATED A SEVERE THUNDERSTORM MOVING
ONSHORE FROM LAKE ONTARIO TO NEAR ELLISBURG. THIS STORM WILL MOVE
NORTHEAST AT 30 MPH AND WILL AFFECT ELLISBURG...ADAMS...ADAMS CENTER
AND RODMAN BETWEEN 850 PM AND 945 PM.
 
WHEN THUNDERSTORMS ARE OCCURRING...YOU SHOULD MOVE INSIDE A STURDY
BUILDING.  DO NOT STAND BY WINDOWS...AND DON'T USE TELEPHONES OR
ELECTRICAL APPLIANCES...UNLESS IT'S AN EMERGENCY...UNTIL THE STORM
HAS PASSED.  HEAVY RAINS MAY FLOOD ROADS QUICKLY. MOTORISTS SHOULD NOT
DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 20, 8:59 PM EDTSevere Thunderstorm WarningBUFAllegany, Cattaraugus46 min
Aug 20, 9:20 PM EDTSevere Thunderstorm WarningBUFOswego60 min

Nearby

Severe Thunderstorm Warnings in New York, 1996Every severe thunderstorm warning in 1996

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.