Alert archive / New York / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 21, NWS Buffalo, NY

July 26, 1993Wyoming County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 26, 1993, 10:45 AM EDT for Wyoming County, New York. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Jul 26, 1993, 10:45 AM EDT (14:45 UTC)
Expired
Jul 26, 1993, 11:30 AM EDT
In force
45 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Wyoming County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 2.8 hours before the alert went out and 46 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 1993-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 86 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 1993-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 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
86 J/kg
Mixed-layer CIN
-322 J/kg
Mixed-layer LCL
1613 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Jul 26, 7:30 AM EDT, 3 hours 15 minutes before
NYZ001-021-022-002-003-004-005-261245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BUFFALO NY
730 AM EDT MON JUL 26 1993

...SEVERE THUNDERSTORMS MOVING ACROSS NEARBY SOUTHERN ONTARIO...

AT 725 AM...BUFFALO RADAR INDICATED A CLUSTER OF STRONG TO SEVERE
THUNDERSTORMS OVER ONTARIO BETWEEN HAMILTON AND TORONTO. THESE
STORMS WERE ACCOMPANIED BY TORRENTIAL DOWNPOURS...HAIL...AND VERY
FREQUENT CLOUD TO GROUND LIGHTNING.

THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR...AND WILL MOVE OUT
INTO LAKE ONTARIO SHORTLY. THEY THEN WILL MOVE VERY CLOSE TO THE NIAGARA
COUNTY LAKESHORE BETWEEN 800 AND 900 AM.

LIGHTER SHOWERS EXTENDED SOUTH FROM THIS AREA ACROSS THE NIAGARA PENINSULA
AND WILL MOVE ACROSS GREATER BUFFALO DURING THE NEXT COUPLE OF HOURS.

MCLAUGHLIN
Special weather statement, Jul 26, 7:41 AM EDT, 3 hours 4 minutes before
NYZ001-021-022-002-003-004-005-261245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BUFFALO NY
730 PM EDT MON JUL 26 1993

...SEVERE THUNDERSTORMS MOVING ACROSS NEARBY SOUTHERN ONTARIO...

AT 725 AM...BUFFALO RADAR INDICATED A CLUSTER OF STRONG TO SEVERE
THUNDERSTORMS OVER ONTARIO BETWEEN HAMILTON AND TORONTO. THESE
STORMS WERE ACCOMPANIED BY TORRENTIAL DOWNPOURS...HAIL...AND VERY
FREQUENT CLOUD TO GROUND LIGHTNING.

THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR...AND WILL MOVE OUT
INTO LAKE ONTARIO SHORTLY. THEY THEN WILL MOVE VERY CLOSE TO THE NIAGARA
COUNTY LAKESHORE BETWEEN 800 AND 900 AM.

SHOWERS EXTENDED SOUTH FROM THIS AREA ACROSS THE NIAGARA PENINSULA
AND WILL MOVE ACROSS GREATER BUFFALO DURING THE NEXT COUPLE OF HOURS.

MCLAUGHLIN
Special weather statement, Jul 26, 7:45 AM EDT, 3 hours before
NYZ001-021-022-002-003-004-005-261245-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BUFFALO NY
730 AM EDT MON JUL 26 1993

...SEVERE THUNDERSTORMS MOVING ACROSS NEARBY SOUTHERN ONTARIO...

AT 725 AM...BUFFALO RADAR INDICATED A CLUSTER OF STRONG TO SEVERE
THUNDERSTORMS OVER ONTARIO BETWEEN HAMILTON AND TORONTO. THESE
STORMS WERE ACCOMPANIED BY TORRENTIAL DOWNPOURS...HAIL...AND VERY
FREQUENT CLOUD TO GROUND LIGHTNING.

THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR...AND WILL MOVE OUT
INTO LAKE ONTARIO SHORTLY. THEY THEN WILL MOVE VERY CLOSE TO THE NIAGARA
COUNTY LAKESHORE BETWEEN 800 AND 900 AM.

LIGHTER SHOWERS EXTENDED SOUTH FROM THIS AREA ACROSS THE NIAGAR$A PENINSULA
AND WILL MOVE ACROSS GREATER BUFFALO DURING THE NEXT COUPLE OF HOURS.

MCLAUGHLIN
Local storm report, Jul 26, 10:22 AM EDT, 23 minutes before
PRELIMNARY STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
1020 AM EDT MON JULY 26 1993

TIME/ EDT                    LOCATION/EVENT

945 AM         DIME SIZE HAIL.  NEWSTEAD, ERIE COUNTY.

1015 AM   0     PING PONG BALL TO BASEBALL SIZE HAIL.  PEMBROKE, GENESEE
               COUNTY.  SOME CARS EXITING NEW YORK THRUWAY WITH
               WINDSHIELD BROKEN BY HAIL.   FROM SKYWARN SPOTTER.

LEVAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 8:00 AM EDTSevere Thunderstorm WarningBUFNiagara, Orleans60 min
Jul 26, 9:30 AM EDTSevere Thunderstorm WarningBUFErie, Genesee90 min
Jul 26, 10:15 AM EDTSevere Thunderstorm WarningBUFWyoming45 min
Jul 26, 10:30 AM EDTSevere Thunderstorm WarningBUFNiagara90 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.