Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 242, NWS Cleveland, OH

August 2, 1994Crawford County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 2, 1994, 5:09 PM EDT for Crawford County, Pennsylvania. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1994, 5:09 PM EDT (21:09 UTC)
Expired
Aug 2, 1994, 6:00 PM EDT
In force
51 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Crawford County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.2 hours before the alert went out and 142 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, Pittsburgh, PA at 12:00Z on 1994-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1337 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, Pittsburgh, PA at 12:00Z on 1994-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
1337 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
864 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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, Aug 2, 12:50 PM EDT, 4 hours 19 minutes before
OHZ002>003-005>014-017>023-027>032-036>038-047-PAZ001>003-021900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1250 PM EDT TUE AUG 2 1994

THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER PORTIONS OF OHIO AND WESTERN
PENNSYLVANIA EARLY THIS AFTERNOON.

AT 1245 PM...DOPPLER RADAR IN CLEVELAND INDICATED A BAND OF
THUNDERSTORMS FROM MERCER COUNTY PENNSYLVANIA...SOUTHWEST THROUGH
YOUNGSTOWN AND THEN ON TO NEAR COLUMBUS.

OTHER THUNDERSTORMS WERE DEVELOPING IN SOUTHEAST LOWER MICHIGAN.
A THUNDERSTORM WITH LOCALLY HEAVY RAIN WAS LOCATED OVER HOLMES
COUNTY TO THE SOUTH OF MILLERSBURG.

THE STORMS WERE MOVING SLOWLY EAST BETWEEN 5 AND 10 MPH. THE SLOW
MOVEMENT MEANS THAT LOCALLY HEAVY RAIN WILL FALL WHERE THE THUNDERSTORMS
DEVELOP. IN ADDITION...SOME STORMS MAY PRODUCE STRONG WINDS AND HAIL.

IF THREATENING WEATHER DEVELOPS...MOVE INDOORS TO A SUBSTANTIAL
BUILDING. LISTEN TO NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISION FOR
UPDATES.

GABRIC
Special weather statement, Aug 2, 12:54 PM EDT, 4 hours 15 minutes before
OHZ002>003-005>014-017>023-027>032-036>038-047-PAZ001>003-021900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1250 PM EDT TUE AUG 2 1994

THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER PORTIONS OF OHIO AND WESTERN
PENNSYLVANIA EARLY THIS AFTERNOON.

AT 1245 PM...DOPPLER RADAR IN CLEVELAND INDICATED A BAND OF
THUNDERSTORMS FROM MERCER COUNTY PENNSYLVANIA...SOUTHWEST THROUGH
YOUNGSTOWN AND THEN ON TO NEAR COLUMBUS.

OTHER THUNDERSTORMS WERE DEVELOPING IN SOUTHEAST LOWER MICHIGAN.
A THUNDERSTORM WITH LOCALLY HEAVY RAIN WAS LOCATED OVER HOLMES
COUNTY TO THE SOUTH OF MILLERSBURG.

THE STORMS WERE MOVING SLOWLY EAST BETWEEN 5 AND 10 MPH. THE SLOW
MOVEMENT MEANS THAT LOCALLY HEAVY RAIN WILL FALL WHERE THE THUNDERSTORMS
DEVELOP. IN ADDITION...SOME STORMS MAY PRODUCE STRONG WINDS AND HAIL.

IF THREATENING WEATHER DEVELOPS...MOVE INDOORS TO A SUBSTANTIAL
BUILDING. LISTEN TO NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISION@ FOR
UPDATES.

GABRIC
Special weather statement, Aug 2, 12:55 PM EDT, 4 hours 14 minutes before
OHZ002>003-005>014-017>023-027>032-036>038-047-PAZ001>003-021900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1250 PM EDT TUE AUG 2 1994

THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER PORTIONS OF OHIO AND WESTERN
PENNSYLVANIA EARLY THIS AFTERNOON.

AT 1245 PM...DOPPLER RADAR IN CLEVELAND INDICATED A BAND OF
THUNDERSTORMS FROM MERCER COUNTY PENNSYLVANIA...SOUTHWEST THROUGH
YOUNGSTOWN AND THEN ON TO NEAR COLUMBUS.

OTHER THUNDERSTORMS WERE DEVELOPING IN SOUTHEAST LOWER MICHIGAN.
A THUNDERSTORM WITH LOCALLY HEAVY RAIN WAS LOCATED OVER HOLMES
COUNTY TO THE SOUTH OF MILLERSBURG.

THE STORMS WERE MOVING SLOWLY EAST BETWEEN 5 AND 10 MPH. THE SLOW
MOVEMENT MEANS THAT LOCALLY HEAVY RAIN WILL FALL WHERE THE THUNDERSTORMS
DEVELOP. IN ADDITION...SOME STORMS MAY PRODUCE STRONG WINDS AND HAIL.

IF THREATENING WEATHER DEVELOPS...MOVE INDOORS TO A SUBSTANTIAL
BUILDING. LISTEN TO NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISIOND FOR
UPDATES.

GABRIC
Local storm report, Aug 2, 4:25 PM EDT, 44 minutes before
CLELSRTOL

STORM REPORT
NATIONAL WEATHER SERVICE TOLEDO OH
425 PM EDT TUE AUG 2 1994

TO: CLE    ATTN: LARRY GABRIC
FM: TOL

LUCAS COUNTY. 240 PM EDT...TIME ESTIMATED.  NORTH TOLEDO.  SIX INCH
DIAMETER BRACNCHES DOWNED BY HIGH WIND.  SOURCE...SKYWARN SPOTTER

MURPHY
Local storm report, Aug 2, 4:28 PM EDT, 41 minutes before
CLELSRTOL

STORM REPORT
NATIONAL WEATHER SERVICE TOLEDO OH
425 PM EDT TUE AUG 2 1994

TO: CLE    ATTN: LARRY GABRIC
FM: TOL

LUCAS COUNTY. 240 PM EDT...TIME ESTIMATED.  NORTH TOLEDO.  SIX INCH
DIAMETER BRACNCHES DOWNED BY HIGH WIND.  SOURCE...SKYWARN SPOTTER

MURPHY

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 1, 11:25 PM EDTSevere Thunderstorm WarningCLESummit65 min
Aug 2, 1:13 PM EDTSevere Thunderstorm WarningCLEStark, Tuscarawas62 min
Aug 2, 2:33 PM EDTSevere Thunderstorm WarningCLELucas, Ottawa, Wood57 min
Aug 2, 2:34 PM EDTSevere Thunderstorm WarningCLEGuernsey, Noble56 min
Aug 2, 4:26 PM EDTSevere Thunderstorm WarningCLECarroll64 min
Aug 2, 4:34 PM EDTSevere Thunderstorm WarningCLELucas, Wood56 min
Aug 2, 4:43 PM EDTSevere Thunderstorm WarningCLEHuron62 min
Aug 2, 6:43 PM EDTFlash Flood WarningCLETrumbull62 min
Aug 2, 6:43 PM EDTSevere Thunderstorm WarningCLETrumbull62 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1994Every severe thunderstorm warning in 1994

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.