Alert archive / New York / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 8, NWS Buffalo, NY

June 9, 1993Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 9, 1993, 11:00 PM EDT for Orleans County, New York. It was in force for 60 min.

The area

The counties it named.

The facts

Issued: Jun 9, 1993, 11:00 PM EDT (03:00 UTC)
Expired: Jun 10, 1993, 12:00 AM EDT
In force: 60 min
Issued by: NWS Buffalo, NY
Area: Whole counties

County Orleans County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 3.0 hours before the alert went out and 55 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 158 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 1322 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 249 m²/s²
0-3 km storm-relative helicity: 324 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KBUF 100304
SVRBUF
NYC073-100400-

BULLETIN -      EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1100 PM EDT WED JUN 09 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1120 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY

   IN THE STATE OF NEW YORK
        ORLEANS

AT 1100 PM BUFFALO WEATHER RADAR DETECTED A SEVERE THUNDERSTORM OVER
ORLEANS COUNTY. THE STORMS WERE MOVING RAPIDLY EAST AT 50 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.

SKARI

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, Jun 9, 9:30 PM EDT, 1 hour 30 minutes before

NYZ001-021-022-002-003-004-005-100300

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BUFFALO NY
930 PM EDT WED JUN 9 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF WESTERN
NEW YORK EXCEPT FOR THE CENTRAL SOUTHERN TIER UNTIL 2 AM...

AT 925 PM...AN AREA OF SHOWERS AND NUMEROUS THUNDERSTORMS...SOME
WITH VERY HEAVY RAIN...EXTENDED ALONG THE ENTIRE NORTH SHORE OF
LAKE ONTARIO FROM JUST WEST OF KINGSTON TO TORONTO...THEN SOUTHWEST
ACROSS HAMILTON TO THE NORTH SHORE OF LAKE ERIE BETWEEN LONG POINT
AND LONDON. THIS ACTIVITY HAS EDGED DOWN OVER THE NORTHERN THIRD OF
LAKE ONTARIO.

STRONGEST STORMS WERE OVER METRO TORONTO...WHERE LARGE HAIL HAS BEEN
REPORTED...NEAR GRIMSBY ON THE NIAGARA PENINSULA...AND JUST NORTH OF
PORT DOVER.

THE STORMS WERE RACING TOWARD THE EAST NORTHEAST AT 60 MILES AN HOUR...
AND ARE ACCOMPANIED BY FREQUENT LIGHTNING...STRONG WINDS AND
POSSIBLE HAIL.

THUNDERSTORMS MAY EDGE INTO NORTHERN NIAGARA COUNTY BY 10 PM...
AND POSSIBLY REACH THE BUFFALO METRO AREA AROUND 11 PM.

BE ON THE LOOKOUT FOR THREATENING WEATHER AND BE PREPARED TO TAKE
SHELTER IF CONDITONS WARRANT OR A WARNING IS ISSUED.

MCLAUGHLIN

Special weather statement, Jun 9, 9:33 PM EDT, 1 hour 27 minutes before

NYZ001-021-022-002-003-004-005-100300

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BUFFALO NY
930 PM EDT WED JUN 9 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF WESTERN
NEW YORK EXCEPT FOR THE CENTRAL SOUTHERN TIER UNTIL 2 AM...

AT 925 PM...AN AREA OF SHOWERS AND NUMEROUS THUNDERSTORMS...SOME
WITH VERY HEAVY RAIN...EXTENDED ALONG THE ENTIRE NORTH SHORE OF
LAKE ONTARIO FROM JUST WEST OF KINGSTON TO TORONTO...THEN SOUTHWEST
ACROSS HAMILTON TO THE NORTH SHORE OF LAKE ERIE BETWEEN LONG POINT
AND LONDON. THIS ACTIVITY HAS EDGED DOWN OVER THE NORTHERN THIRD OF
LAKE ONTARIO.

STRONGEST STORMS WERE OVER METRO TORONTO...WHERE LARGE HAIL HAS BEEN
REPORTED...NEAR GRIMSBY ON THE NIAGARA PENINSULA...AND JUST NORTH OF
PORT DOVER.

THE STORMS WERE RACING TOWARD THE EAST NORTHEAST AT 60 MILES AN HOUR...
AND ARE ACCOMPANIED BY FREQUENT LIGHTNING...STRONG WINDS AND
POSSIBLE HAIL.

THUNDERSTORMS MAY EDGE INTFO NORTHERN NIAGARA COUNTY BY 10 PM...
AND POSSIBLY REACH THE BUFFALO METRO AREA AROUND 11 PM.

BE ON THE LOOKOUT FOR THREATENING WEATHER AND BE PREPARED TO TAKE
SHELTER IF CONDITONS WARRANT OR A WARNING IS ISSUED.

MCLAUGHLIN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 10:18 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	62 min

Nearby

Severe Thunderstorm Warnings in New York, 1993 Every 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.