Alert archive / New York / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 18, NWS Buffalo, NY

July 3, 1997Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 3, 1997, 5:27 AM EDT for Jefferson County, New York. It was in force for 63 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
Jul 3, 1997, 5:27 AM EDT (09:27 UTC)
Expired
Jul 3, 1997, 6:30 AM EDT
In force
63 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Jefferson County, NY

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 9.5 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 1997-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 225 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 1997-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 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
225 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
743 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
-4 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.

974 
WUUS1 KBUF 030930 RRA
SVRBUF
NYC045-031030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
527 AM EDT THU JUL 3 1997

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 AM
EDT FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHERN NEW YORK

   ...JEFFERSON COUNTY...
 
DOPPLER RADAR FROM BUFFALO AND ROME NEW YORK SHOWED A SEVERE
THUNDERSTORM ALONG THE JEFFERSON COUNTY SHORE OF LAKE ONTARIO
...NEAR THE TOWN OF HENDERSON.

MOVEMENT WAS RAPIDLY TO THE NORTHEAST AT 35 TO 40 MILES AN HOUR.

THIS STORM WILL AFFECT THE WATERTOWN AREA BETWEEN 545 AND 600 AM.
 
REMEMBER...SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH AND/OR HAIL 3/4 INCH OR LARGER. FOR YOUR PROTECTION FROM
POTENTIALLY DAMAGING WINDS...MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS MAY ALSO CAUSE RAPID
FLOODING OF SMALL STREAMS AND POOR DRAINAGE AREAS. DONT ATTEMPT TO
CROSS FLOODED ROADWAYS.

LAMBERT

Nearby

Severe Thunderstorm Warnings in New York, 1997Every severe thunderstorm warning in 1997

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.