Alert archive / New York / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 32, NWS Buffalo, NY

September 2, 1993Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 2, 1993, 7:48 PM EDT for Cattaraugus County, New York. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Sep 2, 1993, 7:48 PM EDT (23:48 UTC)
Expired
Sep 2, 1993, 8:45 PM EDT
In force
57 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, 11.8 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 1993-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Buffalo Intl Airport, NY at 12:00Z on 1993-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
988 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
120 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 022353 RRA
SVRBUF
NYC009-030045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
748 PM EDT THU SEP 2 1993
 
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN  NEW YORK
 
   ...CATTARAUGUS COUNTY
 
AT 745PM SEVERE THUNDERSTORMS WERE ENTERING CATTARAUGUS COUNTY FROM THE
SOUTHWEST. THEY WILL MOVE ACROSS THE COUNTY BETWEEN 745 AND 845PM AND WI
PRODUCE HEAVY RAIN...DANGEROUS LIGHTNING...STRONG WINDS AND POSSIBLY
HAIL. THESE STORMS HAVE PRODUCED WIND DAMAGE AS THEY MOVED ACROSS
NORTHWEST PENNSYLVANIA EARLIER THIS EVENING.
 
 
BE ON THE ALERT FvOR THUNDERSTORMS ACCOMPANIED BY FREQUENT
LIGHTNING...STRONG DAMAGING WINDS AND LARGE HAIL.  LOCALLY HEAVY
RAIN MAY ALSO CAUSE DRAINAGE FLOODING.

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, Sep 2, 4:37 PM EDT, 3 hours 11 minutes before
NYZ001-021-022-002-003-004-005-022200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
435 PM EDT THU SEP 2 1993

THUNDERSTORMS CONTINUING OVER THE SOUTHERN TIER.

SHOWERS AND THUNDERSTORMS WERE SCATTERED BETWEEN JAMESTOWN NEW YORK AND
ELMIRA COVERING MUCH OF CATTARAUGUS...ALLEGANY...STEUBEN AND SCHUYLER
COUNTIES. THUNDERSTORMS WITH VERY HEAVY RAIN WERE SCATTERED OVER
ALLEGANY...SOUTHERN LIVINGSTON AND WESTERN STEUBEN COUNTIES. ANOTHER
THUNDERSTORM WITH HEAVY RAIN WAS LOCATED OVER THE NIAGARA PENINSULA
ABOUT 15 MILES WEST OF BUFFALO.

OTHER SHOWERS AND THUNDERSTORMS WERE OVER SOUTHERN ONTARIO NORTHWEST OF
HAMILTON AND TORONTO AND OVER NORTH CENTRAL PENNSYLVANIA BETWEEN
BRADFORD AND PHILLIPSBURG.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

SOME OF THESE STORMS MAY CONTAIN HEAVY DOWNPOURS...FREQUENT LIGHTNING
...AND STRONG GUSTY WINDS. STAY TUNED TO NOAA WEATHER RADIO FOR
FREQUENT UPDATES.

PACE
Special weather statement, Sep 2, 5:26 PM EDT, 2 hours 22 minutes before
NYZ002-022230-

SPECIAL WEATHER STATEMENT...THUNDERSTORMS
NATIONAL WEATHER SERVICE ROCHESTER NY
520 PM EDT THU SEP 2 1993

...STRONG THUNDERSTORMS MOVING THROUGH YATES COUNTY AND TOWARDS
   SOUTHERN ONTARIO COUNTY...

AT 520 PM WEATHER SERVICE RADAR INDICATED A LINE OF STRONG THUNDERSTORMS
EXTENDING FROM RUSHVILLE SOUTHWARD TO THE TOWN OF ITALY IN YATES COUNTY.
THE STRONGEST STORM IS JUST EAST OF RUSHVILLE...AND THIS CELL MAY MOVE INTO
SOUTHEAST ONTARIO COUNTY BY 600 PM.

THESE THUNDERSTORMS MAY PRODUCE STRONG WINDS AS WELL AS SOME HAIL.
IF THREATENING WEATHER APPROACHES GO TO A SAFE PLACE IMMEDIATELY.

BASIL
Special weather statement, Sep 2, 6:35 PM EDT, 1 hour 13 minutes before
NYZ001-021-022-002-003-004-005-030000-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BUFFALO NY
635 PM EDT THU SEP 2 1993

...SEVERE THUNDERSTORM WATCH CONTINUES FOR WESTERN NEW YORK UNTIL
11 PM EDT...

SHOWERS AND THUNDERSTORMS CONTINUED OVER CENTRAL NEW YORK FROM THE
ELMIRA AREA...NORTH OVER THE EASTERN FINGER LAKES TO SYRACUSE AND
SOUTHERN OSWEGO COUNTY. A THUNDERSTORM WITH VERY HEAVY RAIN WAS JUST
SOUTHEAST OF HAMMONDSPORT IN NORTHEAST STEUBEN COUNTY. THUNDERSTORMS
WITH VERY HEAVY RAIN WERE OVER NORTHWEST PENNSYLVANIA...WEST OF
MEADVILLE.

OTHER SHOWERS AND THUNDERSTORMS CONTINUED OVER SOUTHERN ONTARIO FROM
LONDON...NORTHEAST TO HAMILTON...TORONTO AND BETWEEN TRENTON AND LAKE
SIMCOE. SHOWERS WERE ALSO OVER CENTRAL LAKE ONTARIO NORTH AND NORTHWEST
OF ROCHESTER.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

SOME OF THESE STORMS MAY CONTAIN HEAVY DOWNPOURS...FREQUENT LIGHTNING
...AND STRONG GUSTY WINDS. LISTEN TO NOAA WEATHER RADIO FOR HOURLY
SPECIAL WEATHER STATEMENTS.

PACE
Special weather statement, Sep 2, 6:37 PM EDT, 1 hour 11 minutes before
NYZ001-021-022-002-003-004-005-030000-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BUFFALO NY
635 PM EDT THU SEP 2 1993

...SEVERE THUNDERSTORM WATCH CONTINUES FOR WESTERN NEW YORK UNTIL
11 PM EDT...

SHOWERS AND THUNDERSTORMS CONTINUED OVER CENTRAL NEW YORK FROM THE
ELMIRA AREA...NORTH OVER THE EASTERN FINGER LAKES TO SYRACUSE AND
SOUTHERN OSWEGO COUNTY. A THUNDERSTORM WITH VERY HEAVY RAIN WAS JUST
SOUTHEAST OF HAMMONDSPORT IN NORTHEAST STEUBEN COUNTY. THUNDERSTORMS
WITH VERY HEAVY RAIN WERE OVER NORTHWEST PENNSYLVANIA...WEST OF
MEADVILLE.

OTHER SHOWERS AND THUNDERSTORMS CONTINUED OVER SOUTHERN ONTARIO FROM
LONDON...NORTHEAST TO HAMILTON...TORONTO AND BETWEEN TRENTON AND LAKE
SIMCOE. SHOWERS WERE ALSO OVER CENTRAL LAKE ONTARIO NORTH AND NORTHWEST
OF ROCHESTER.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

SOME OF THESE STORMS MAY CONTAIN HEAVY DOWNPOURS...FREQUENT LIGHTNING
...AND STRONG GUSTY WINDS. LISTEN TO NOAA WEATHER RADIO FOR HOURLY
SPECIAL WEATHER STATEMENTS.

PACE
Special weather statement, Sep 2, 7:35 PM EDT, 13 minutes before
NYZ001-021-022-002-003-004-005-030100-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BUFFALO NY
735 PM EDT THU SEP 2 1993

...SEVERE THUNDERSTORM WATCH CONTINUES FOR WESTERN NEW YORK AND MUCH
OF CENTRAL NEW YORK UNTIL 11 PM EDT...

A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN DEVELOPED IN THE PAST HOUR
FROM BETWEEN HAMBURG AND SOUTH BUFFALO...NORTHEAST TO SOUTHERN GENESEE
COUNTY ABOUT 10 MILES SOUTH OF BATAVIA.

A THUNDERSTORM WITH HEAVY RAIN WAS ALSO ABOUT 10 MILES WEST OF ITHACA
NEW YORK. OTHER THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER
NORTHWEST PENNSYLVANIA BETWEEN MEADVILLE...BRADFORD AND NEW CASTLE.

THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS FREQUENT
LIGHTNING...HEAVY RAIN WHICH MAY CAUSE DRAINAGE FLOODING AND POSSIBLY
HAIL.

OTHER SHOWERS AND THUNDERSTORMS CONTINUED MAINLY NORTH OF LAKE ONTARIO
AND EXTENDED FROM EASTERN LAKE ERIE...NORTHWEST OVER LONDON...
HAMILTON...TORONTO...LAKE SIMCOE AND KINGSTON.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS ON THIS DEVELOPING
WEATHER SITUATION.

PACE
Special weather statement, Sep 2, 7:38 PM EDT, 10 minutes before
NYZ001-021-022-002-003-004-005-030100-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BUFFALO NY
735 PM EDT THU SEP 2 1993

...SEVERE THUNDERSTORM WATCH CONTINUES FOR WESTERN NEW YORK AND MUCH
OF CENTRAL NEW YORK UNTIL 11 PM EDT...

A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN DEVELOPED IN THE PAST HOUR
FROM BETWEEN HAMBURG AND SOUTH BUFFALO...NORTHEAST TO SOUTHERN GENESEE
COUNTY ABOUT 10 MILES SOUTH OF BATAVIA.

A THUNDERSTORM WITH HEAVY RAIN WAS ALSO ABOUT 10 MILES WEST OF ITHACA
NEW YORK. OTHER THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER
NORTHWEST PENNSYLVANIA BETWEEN MEADVILLE...BRADFORD AND NEW CASTLE.

THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS FREQUENT
LIGHTNING...HEAVY RAIN WHICH MAY CAUSE DRAINAGE FLOODING AND POSSIBLY
HAIL.

OTHER SHOWERS AND THUNDERSTORMS CONTINUED MAINLY NORTH OF LAKE ONTARIO
AND EXTENDED FROM EASTERN LAKE ERIE...NORTHWEST OVER LONDON...
HAMILTON...TORONTO...LXAKE SIMCOE AND KINGSTON.

THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR.

LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS ON THIS DEVELOPING
WEATHER SITUATION.

PACE

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.