Alert archive / New York / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 7, NWS Buffalo, NY

April 20, 1996Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Apr 20, 1996, 9:16 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
Apr 20, 1996, 9:16 PM EDT (01:16 UTC)
Expired
Apr 20, 1996, 10:15 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, 1.3 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 1996-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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 1996-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 258 square meters per square second.19395878Sfc1 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
7 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
968 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
258 m²/s²
0-3 km storm-relative helicity
299 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 210117
SVRBUF
NYC045-210215-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
916 PM EDT SAT APR 20 1996
 
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN  NEW YORK
 
   ...JEFFERSON COUNTY
 
AT 910 PM SEVERE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR
FROM THE WATERS OF LAKE ONTARIO. THE STORMS WILL BE REACHING THE
WATERTOWN AREA BY 930 PM...FORT DRUM AND CLAYTON BY 945 PM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
HIBBERT/PACE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 8:55 PM EDTSevere Thunderstorm WarningBUFChautauqua50 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.