Alert archive / New York / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 24, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 2, 1993, 3:19 PM EDT for Chautauqua County, New York. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Aug 2, 1993, 3:19 PM EDT (19:19 UTC)
- Expired
- Aug 2, 1993, 4:15 PM EDT
- In force
- 56 min
- Issued by
- NWS Buffalo, NY
- Area
- Whole counties
County Chautauqua County, NY
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.3 hours before the alert went out and 91 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
- 1605 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 783 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 6.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBUF 021919 SVRBUF NYC013-022015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 319 PM EDT MON AUG 02 1993 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
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, 9:30 AM EDT, 5 hours 49 minutes before
NYZ001-021-022-002-003-004-005-021445- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 930 AM EDT MON AUG 2 1993 ...FLOOD WARNINGS ARE IN EFFECT UNTIL NOON FOR CHAUTAUQUA AND CATTARAUGUS COUNTIES... .THUNDERSTORMS CONTINUED MOVING ACROSS MUCH OF WESTERN NEW YORK... AT 925 AM...SHOWERS AND THUNDERSTORMS COVERED MOST OF THE EIGHT WESTERN COUNTIES OF NEW YORK WEST OF THE GENESEE RIVER VALLEY...AND EXTENDED OUT OVER LAKE ONTARIO NORTH AND EAST OF ROCHESTER. THUNDERSTORMS WITH VERY HEAVY RAIN...FREQUENT LIGHTNING...AND POSSIBLE HAIL...WERE OVER EASTERN LAKE ONTARIO 15 MILES NORTHWEST OF OSWEGO... OVER WESTERN ORLEANS COUNTY...AND OVER THE EASTERN END OF LAKE ERIE JUST OFF BUFFALO. OTHER STRONG THUNDERSTORMS WERE OVER NORTHERN ALLEGANY AND SOUTHERN LIVINGSTON COUNTIES. THE ACTIVITY WAS MOVING EAST NORTHEAST AT 40 MILES AN HOUR...WITH THE TRAILING EDGE HAVING CLEARED CHAUTAUQUA COUNTY. THUNDERSTORMS WILL MOVE ACROSS THE BUFFALO METRO AREA UNTIL 11 AM... AND WILL MOVE INTO THE FINGER LAKES REGION DURING THE NEXT FEW HOURS. THESE STORMS HAVE A HISTORY OF POOR DRAINAGE FLOODING...SO BE AWARE! MCLAUGHLIN
Special weather statement, Aug 2, 9:42 AM EDT, 5 hours 37 minutes before
NYZ001-021-022-002-003-004-005-021445- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 930 AM EDT MON AUG 2 1993 ...FLOOD WARNINGS ARE IN EFFECT UNTIL NOON FOR CHAUTAUQUA AND CATTARAUGUS COUNTIES... .THUNDERSTORMS CONTINUED MOVING ACROSS MUCH OF WESTERN NEW YORK... AT 925 AM...SHOWERS AND THUNDERSTORMS COVERED MOST OF THE EIGHT WESTERN COUNTIES OF NEW YORK WEST OF THE GENESEE RIVER VALLEY...AND EXTENDED OUT OVER LAKE ONTARIO NORTH AND EAST OF ROCHESTER. THUNDERSTORMS WITH VERY HEAVY RAIN...FREQUENT LIGHTNING...AND POSSIBLE HAIL...WERE OVER EASTERN LAKE ONTARIO 15 MILES NORTHWEST OF OSWEGO... OVER WESTERN ORLEANS COUNTY...AND OVER THE EASTERN END OF LAKE ERIE JUST OFF BUFFALO. OTHER STRONG THUNDERSTORMS WERE OVER NORTHERN ALLEGANY AND SOUTHERN LIVINGSTON COUNTIES. THE ACTIVITY WAS MOVING EAST NORTHEAST AT 40 MILES AN HOUR...WITH THE TRAILING EDGE HAVING CLEARED CHAUTAUQUA COUNTY. THUNDERSTORMS WILL MOVE ACROSS THE BUFFALO METRO AREA UNTIL 11 AM... AND WILL MOVE INTO THE FINGER LAKES REGION DURING THE NEXT FEW HOURS. THESE STORMS HAVE A HISTORY OF POOR DRAINAGE FLOODING...SO BE AWARE! MCLAUGHLIN
Special weather statement, Aug 2, 10:30 AM EDT, 4 hours 49 minutes before
NYZ001-021-022-002-003-004-005-021545- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 1030 AM EDT MON AUG 2 1993 ...THUNDERSTORMS HAVE MOVED EAST INTO THE FINGER LAKES REGION... AT 1025 AM...SHOWERS AND THUNDERSTORMS COVERED MUCH OF NEW YORK FROM BATAVIA TO AUBURN...AND EXTENDED NORTH ACROSS THE EASTERN HALF OF LAKE ONTARIO...AND SOUTH ACROSS THE FINGER LAKES INTO STEUBEN COUNTY. THUNDERSTORMS WITH VERY HEAVY RAIN...FREQUENT LIGHTNING...AND POSSIBLE HAIL...WERE NEAR OSWEGO...OVER MID LAKE ONTARIO 30 MILES NORTH OF ROCHESTER...AND OVER KEUKA LAKE. OTHER THUNDERSTORMS WERE OVER PENNSYLVANIA FROM POTTER COUNTY... SOUTHWEST TO THE PITTSBURGH AREA. MOVEMENT OF ALL ACTIVITY WAS EAST NORTHEAST AT 40 MILES AN HOUR. SHOWERS AND THUNDERSTORMS WILL MOVE INTO CENTRAL NEW YORK FROM SYRACUSE TO ELMIRA BETWEEN 11 AM AND NOON. THE ACTIVITY WILL END IN ROCHESTER AND THE GENESEE VALLEY WITHIN THE HOUR. THE BUFFALO AREA WILL SEE PARTLY SUNNY SKIES FOR THE NEXT FEW HOURS WITH TEMPERATURES RISING THROUGH THE 70S. IT WILL BE HUMID. MCLAUGHLIN
Special weather statement, Aug 2, 10:40 AM EDT, 4 hours 39 minutes before
NYZ001-021-022-002-003-004-005-021545- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BUFFALO NY 1030 AM EDT MON AUG 2 1993 ...THUNDERSTORMS HAVE MOVED EAST INTO THE FINGER LAKES REGION... AT 1025 AM...SHOWERS AND THUNDERSTORMS COVERED MUCH OF NEW YORK FROM BATAVIA TO AUBURN...AND EXTENDED NORTH ACROSS THE EASTERN HALF OF LAKE ONTARIO...AND SOUTH ACROSS THE FINGER LAKES INTO STEUBEN COUNTY. THUNDERSTORMS WITH VERY HEAVY RAIN...FREQUENT LIGHTNING...AND POSSIBLE HAIL...WERE NEAR OSWEGO...OVER MID LAKE ONTARIO 30 MILES NORTH OF ROCHESTER...AND OVER KEUKA LAKE. OTHER THUNDERSTORMS WERE OVER PENNSYLVANIA FROM POTTER COUNTY... SOUTHWEST TO THE PITTSBURGH AREA. MOVEMENT OF ALL ACTIVITY WAS EAST NORTHEAST AT 40 MILES AN HOUR. SHOWERS AND THUNDERSTORMS WILL MOVE INTO CENTRAL NEW YORK FROM SYRACUSE TO ELMIRA BETWEEN 11 AM AND NOON. THE ACTIVITY WILL END IN ROCHESTER AND THE GENESEE VALLEY WITHIN THE HOUR. THE BDUFFALO AREA WILL SEE PARTLY SUNNY SKIES FOR THE NEXT FEW HOURS WITH TEMPERATURES RISING THROUGH THE 70S. IT WILL BE HUMID. MCLAUGHLIN
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 8:40 AM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua | 3 hr |
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.