Alert archive / New York / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 29, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 31, 1993, 3:10 PM EDT for Allegany County, New York. It was in force for 80 min.
The area
The counties it named.
The facts
- Issued
- Aug 31, 1993, 3:10 PM EDT (19:10 UTC)
- Expired
- Aug 31, 1993, 4:30 PM EDT
- In force
- 80 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
County Allegany County, NY
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.2 hours before the alert went out and 93 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.
- Mixed-layer CAPE
- 2434 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 197 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 9.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS1 KBUF 311911 RRA
SVRBUF
NYC003-312030-
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
310 PM EDT TUE AUG 31 1993
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 430 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE STATE OF NEW YORK
ALLEGANY
AT 305 PM RADAR SHOWED A LINE OF THUNDERSTORMS...SOME OF THEM SEVERE
MOVING EAST FROM CATTARAUGUS COUNTY INTO ALLEGANY COUNTY. THE STORMS
WERE MOVING INTO THE NORTHWEST CORNER WEST OF HOUGHTON AND OTHER STORMS
SHOULD REACH THE BOLIVAR AREA SHORTLY BEFORE 4 PM.
BE ON THE ALERT FOR TORNADOES OR THUNDERSTORMS ACCOMPANIED BY
FREQUENT LIGHTNING...STRONG DAMAGING WIND AND LARGE HAIL. LOCALLY
HEAVY RAIN MAY ALSO CAUSE FLOODING.
IF THREATENING WEATHER APPROACHES GO TO THE BASEMENT OR AN INTERIOR
ROOM OR HALLWAY AND GET UNDER A STURDY PIECE OF FURNITURE. MOBILE
HOMES AND AUTOS OFFER NO SHELTER.
BLACKBURNWhat 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 31, 1:40 PM EDT, 1 hour 30 minutes before
NYZ001-021-022-002-003-004-005-311840- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 140 PM EDT TUE AUG 31 1993 ...A TORNADO WATCH IS IN EFFECT FOR ALL OF WESTERN NEW YORK UNTIL 800 PM... AT 130 PM...A 15 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS...SOME WITH FREQUENT LIGHTNING AND HEAVY DOWNPOURS EXTENDED FROM ATTICA NORTHEAST ACROSS MONROE COUNTY INCLUDING ROCHESTER TO WESTERN WAYNE COUNTY. SHOWERS AND THUNDERSTORMS WERE ALSO OVER WESTERN LAKE ONTARIO JUST OFF THE SHORE OF NIAGARA AND ORLEANS COUNTIES. SHOWERS AND THUNDERSTORMS WERE ALSO SCATTERED OVER NORTHWEST PENNSYLVANIA AND IN SOUTHERN ONTARIO BETWEEN LAKE SIMCOE AND PETERBOROUGH. ALL ACTIVITY WAS MOVING NORTHEAST AT 35 MILES AN HOUR. RRM
Special weather statement, Aug 31, 1:43 PM EDT, 1 hour 27 minutes before
NYZ001-021-022-002-003-004-005-311840- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 140 PM EDT TUE AUG 31 1993 ...A TORNADO WATCH IS IN EFFECT FOR ALL OF WESTERN NEW YORK UNTIL 800 PM... AT 130 PM...A 15 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS...SOME WITH FREQUENT LIGHTNING AND HEAVY DOWNPOURS EXTENDED FROM ATTICA NORTHEAST ACROSS MONROE COUNTY INCLUDING ROCHESTER TO WESTERN WAYNE COUNTY. SHOWERS AND THUNDERSTORMS WERE ALSO OVER WESTERN LAKE ONTARIO JUST OFF THE SHORE OF NIAGARA AND ORLEANS COUNTIES. SHOWERS AND THUNDERSTORMS WERE ALSO SCATTERED OVER NORTHWEST PENNSYLVANIA AND IN SOUTHERN ONTARIO BETWEEN LAKE SIMCOE AND PETERBOROUGH. ALL ACTIVITY hWAS MOVING NORTHEAST AT 35 MILES AN HOUR. RRM
Special weather statement, Aug 31, 1:57 PM EDT, 1 hour 13 minutes before
NYZ002-311900- SPECIAL WEATHER STATEMENT...THUNDERSTORMS NATIONAL WEATHER SERVICE ROCHESTER NY 145 PM EDT TUE AUG 31 1993 ...STRONG THUNDERSTORMS MOVING THROUGHT THE WESTERN FINGER LAKES REGION... AT 142 PM WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS EXTENDING FROM GENESEO TO NORTHWEST OF OSWEGO. THE STRONGEST STORMS EXTENDED FROM RUSH IN SOUTHERN MONROE COUNTY NORTHEAST TO PULTNEYVILLE IN NORTHERN WAYNE COUNTY. THE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 35 MPH AND WILL BE MOVING THROUGH WAYNE AND ONTARIO COUNTIES DURING THE NEXT HOUR. BE ON THE LOOKOUT FOR THUNDERSTORMS THAT MAY HAVE GUSTY WINDS FREQUENT LIGHTNING AND POSSIBLE HAIL. HEAVY DOWNPOURS MAY CAUE POOR DRAINAGE FLOODING. KB
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 1:57 PM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 93 min |
| Aug 31, 2:35 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus | 85 min |
| Aug 31, 5:00 PM EDT | Severe Thunderstorm Warning | BUF | Erie, Genesee | 90 min |
| Aug 31, 5:00 PM EDT | Severe Thunderstorm Warning | BUF | Orleans | 90 min |
Nearby
Severe Thunderstorm Warnings in New York, 1993Every severe thunderstorm warning in 1993
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.