Alert archive / New York / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 40, NWS Buffalo, NY

August 2, 1994Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 2, 1994, 6:28 PM EDT for Cattaraugus County, New York. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1994, 6:28 PM EDT (22:28 UTC)
Expired
Aug 2, 1994, 7:00 PM EDT
In force
32 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Cattaraugus County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 10.5 hours before the alert went out and 76 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, Buffalo Intl Airport, NY at 12:00Z on 1994-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 640 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 1994-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 square meters per square second.193958Sfc1 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
640 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
669 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
56 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 022229 RRA
SVRBUF
NYC009-022300-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
628 PM EDT TUE AUG 2 1994
 
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN  NEW YORK
 
   ...SOUTHERN CATTARAUGUS COUNTY
 
AT 620 PM BUFFALO WEATHER RADAR INDICATED AN AREA OF SEVERE
THUNDERSTORMS EXTENDING FROM OLEAN WEST TO ALLEGANY STATE PARK SOUTH OF
SALAMANCA IN SOUTHERN CATTARAUGUS COUNTY. INDICATIONS ARE THAT THIS CELL
CONTAINS HAIL. THE CELLS ARE MOVING EAST AT 25 MILES AN HOUR.
 
 
BE ON THE ALERT FOR THUNDERSTORMS ACCOMPANIED BY FREQUENT
LIGHTNING...STRONG DAMAGING WINDS AND LARGE HAIL.  LOCALLY HEAVY
RAIN MAY ALSO CAUSE DRAINAGE FLOODING.
 
IF THREATENING WEATHER APPROACHES GO TO A SAFE PLACE IMMEDIATELY.
IN HOMES A BASEMENT OR INTERIOR ROOM IS THE SAFEST LOCATION.
 
 
REMINGTON

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, Aug 2, 4:39 PM EDT, 1 hour 49 minutes before
NYZ001>003-007-010>014-019>021-022200-

WESTERN NEW YORK SHORT TERM FORECAST
NATIONAL WEATHER SERVICE BUFFALO, NY
435 PM EDT TUE AUG 2 1994

  ...HEAVY THUNDERSTORMS WERE MOVING OVER PORTIONS OF THE REGION...

AT 430 PM...SHOWERS AND THUNDERSTORMS...MOST WITH HEAVY TO VERY HEAVY
RAIN EXTENDED FROM THE NIAGARA PENINSULA...EAST ACROSS NORTHERN ERIE...
GENESEE...MONROE...AND LIVINGSTON COUNTIES OF NEW YORK.

STRONGEST STORMS WERE NEAR WELLAND ONTARIO...BETWEEN AKRON AND BATAVIA...
AND OVER THE SOUTHERN SUBURBS OF ROCHESTER. TORRENTIAL RAIN AND POSSIBLE
HAIL ACCOMPANIED THESE STORMS.

OTHER STORMS WERE SCATTERED ACROSS NORTHWEST PENNSYLVANIA AND CENTRAL
NEW YORK SOUTH OF SYRACUSE.

MOVEMENT OF ALL ACTIVITY WAS EAST AT 25 MILES AN HOUR. THUNDERSTORMS WILL
CONTINUE MOVING ACROSS GENESEE AND MONROE COUNTIES...INCLUDING GREATER
ROCHESTER...DURING THE NEXT COUPLE OF HOURS. THESE STORMS WILL BE
ACCOMPANIED BY TORRENTIAL RAIN WHICH MAY CAUSE &URBAN FLOODING.

A HEAVY THUNDERSTORM MAY ALSO MOVE ACROSS BUFFALO`S NORTHERN SUBURBS
BY 530 PM. OTHERWISE...HAZY AND MUGGY CONDITOONS WILL CONTINUE WITH
TEMPERATURES IN THE LOW 80S.

MCLAUGHLIN
Special weather statement, Aug 2, 4:44 PM EDT, 1 hour 44 minutes before
NYZ004>006-008-022200-

SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST
NATIONAL WEATHER SERVICE BUFFALO NY
435 PM EDT TUE AUG 2 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF CENTRAL AND
Special weather statement, Aug 2, 4:48 PM EDT, 1 hour 40 minutes before
NYZ001>003-007-010>014-019>021-022200-

SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST
NATIONAL WEATHER SERVICE BUFFALO, NY
435 PM EDT TUE AUG 2 1994

  ...HEAVY THUNDERSTORMS WERE MOVING OVER PORTIONS OF THE REGION...

AT 430 PM...SHOWERS AND THUNDERSTORMS...MOST WITH HEAVY TO VERY HEAVY
RAIN EXTENDED FROM THE NIAGARA PENINSULA...EAST ACROSS NORTHERN ERIE...
GENESEE...MONROE...AND LIVINGSTON COUNTIES OF NEW YORK.

STRONGEST STORMS WERE NEAR WELLAND ONTARIO...BETWEEN AKRON AND BATAVIA...
AND OVER THE SOUTHERN SUBURBS OF ROCHESTER. TORRENTIAL RAIN AND POSSIBLE
HAIL ACCOMPANIED THESE STORMS.

OTHER STORMS WERE SCATTERED ACROSS NORTHWEST PENNSYLVANIA AND CENTRAL
NEW YORK SOUTH OF SYRACUSE.

MOVEMENT OF ALL ACTIVITY WAS EAST AT 25 MILES AN HOUR. THUNDERSTORMS WILL
CONTINUE MOVING ACROSS GENESEE AND MONROE COUNTIES...INCLUDING GREATER
ROCHESTER...DURING THE NEXT COUPLE OF HOURS. THESE STORMS WILL BE
ACCOMPANIED BY TORRENTIAL RAINF WHICH MAY CAUSE URBAN FLOODING.

A HEAVY THUNDERSTORM MAY ALSO MOVE ACROSS BUFFALO`S NORTHERN SUBURBS
BY 530 PM. OTHERWISE...HAZY AND MUGGY CONDITIONS WILL CONTINUE WITH
TEMPERATURES IN THE LOW 80S.

MCLAUGHLIN
Special weather statement, Aug 2, 5:35 PM EDT, 53 minutes before
NYZ001>003-007-010>014-019>021-022300-

SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST
NATIONAL WEATHER SERVICE BUFFALO, NY
535 PM EDT TUE AUG 2 1994

  ...HEAVY THUNDERSTORMS WILL CONTINUE TO DROP TORRENTIAL RAINS...

AT 525 PM...SHOWERS AND THUNDERSTORMS...MOST WITH HEAVY TO VERY HEAVY
RAIN EXTENDED FROM WELLAND AND PORT COLBORNE ON THE NIAGARA PENINSULA...
EAST ACROSS THE NORTHERN SUBURBS OF BUFFALO...AND ON ACROSS MUCH OF
GENESEE AND MONROE COUNTIES. STRONGEST STORMS...WITH TORRENTIAL RAIN
AND POSSIBLE HAIL...WERE OVER FORT ERIE...CORFU...OAKFIELD...AND A FEW
MILES WEST OF THE CITY OF ROCHESTER.

THE STORMS WERE MOVING EAST AT 25 MILES AN HOUR...AND WILL MOVE ACROSS
THE SAME GENERAL AREAS FOR THE NEXT COUPLE OF HOURS. FLASH FLOOD WARNINGS
ARE IN EFFECT FOR GENESEE AND MONROE COUNTIES...INCLUDING GREATER
ROCHESTER...UNTIL 9 PM THIS EVENING.

HEAVY THUNDERSTORMS WILL MOVE ACROSS THE NORTHERN SUBURBS OF BUFFALO
DURING THE NEXT COUPLE OF HOURS AND MAY RESULT IN SOME URBAN FLOODING
IN POOR DRAINAGE AREAS. THESE STORMS MAY ALSO DRIFT DOWN INTO THE CITY.

MCLAUGHLIN
Special weather statement, Aug 2, 5:37 PM EDT, 51 minutes before
NYZ001>003-007-010>014-019>021-022300-

SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST
NATIONAL WEATHER SERVICE BUFFALO, NY
535 PM EDT TUE AUG 2 1994

  ...HEAVY THUNDERSTORMS WILL CONTINUE TO DROP TORRENTIAL RAINS...

AT 525 PM...SHOWERS AND THUNDERSTORMS...MOST WITH HEAVY TO VERY HEAVY
RAIN EXTENDED FROM WELLAND AND PORT COLBORNE ON THE NIAGARA PENINSULA...
EAST ACROSS THE NORTHERN SUBURBS OF BUFFALO...AND ON ACROSS MUCH OF
GENESEE AND MONROE COUNTIES. STRONGEST STORMS...WITH TORRENTIAL RAIN
AND POSSIBLE HAIL...WERE OVER FORT ERIE...CORFU...OAKFIELD...AND A FEW
MILES WEST OF THE CITY OF ROCHESTER.

THE STORMS WERE MOVING EAST AT 25 MILES AN HOUR...AND WILL MOVE ACROSS
THE SAME GENERAL AREAS FOR THE NEXT COUPLE OF HOURS. FLASH FLOOD WARNINGS
ARE IN EFFECT FOR GENESEE AND MONROE COUNTIES...INCLUDING GREATER
ROCHESTER...UNTIL 9 PM THIS EVENING.

HEAVY THUNDERSTORMS WILL MOVE ACROSS THE NORTHERN SUBURBS OF BUFFALO
DURING THE NEXT COUPLE OF HOURS AND MAY RESULT IN SOME URBAN FLOODING
IN POOR DRAINAGE AREAS. THESE STORMS MAY ALSO DRIFT DOWN INTO THE CITY.

MCLAUGHLIN
Special weather statement, Aug 2, 5:40 PM EDT, 48 minutes before
NYZ004>006-008-022300-

SPECIAL WEATHER STATEMENT AND SHORT TERM FORECAST
NATIONAL WEATHER SERVICE BUFFALO NY
535 PM EDT TUE AUG 2 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF CENTRAL AND
EAST CENTRAL NEW YORK UNTIL 9PM...

AT 530 PM...SHOWERS AND THUNDERSTORMS...MANY WITH VERY HEAVY RAINS AND
GUSTY WINDS...EXTENDED ACROSS THE COUNTIES SOUTH OF LAKE ONTARIO FROM
BUFFALO TO ROCHESTER...THEN SOUTHEAST ACROSS THE FINGER LAKES REGION.

MOVEMENT WAS EAST AT 25 MILES AN HOUR. THESE STORMS WILL MOVE ACROSS
WAYNE...AND NORTHERN CAYUGA COUNTIES DURING THE NEXT COUPLE OF HOURS.
THEY WILL BE ACCOMPANIED BY TORRENTIAL DOWNPOURS AND POSSIBLE HAIL.

KEEP ABREAST OF THE LATEST WEATHER SITUATION AND BE PREPARED TO TAKE
APPROPRIATE ACTION IF A WARNING IS ISSUED OR THREATENING WEATHER
APPROACHES.
MCLAUGHLIN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 3:41 PM EDTSevere Thunderstorm WarningBUFCayuga49 min
Aug 2, 4:55 PM EDTFlash Flood WarningBUFGenesee4 hr

Nearby

Severe Thunderstorm Warnings in New York, 1994Every severe thunderstorm warning in 1994

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.