Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 142, NWS Cleveland, OH

August 8, 1992Crawford County, Pennsylvania

NWS Cleveland, OH issued this severe thunderstorm warning at Aug 8, 1992, 5:51 PM EDT for Crawford County, Pennsylvania. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Aug 8, 1992, 5:51 PM EDT (21:51 UTC)
Expired
Aug 8, 1992, 7:00 PM EDT
In force
69 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Crawford County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 9.9 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 1992-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 262 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 1992-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 243 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
262 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
615 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
243 m²/s²
0-3 km storm-relative helicity
248 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KERI 082152
SVRERI
PAC039-082300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ERIE PA
551 PM EDT SAT AUG 8 1992
 
THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM EDT
FOR THE FOLLOWING LOCATION...
 
IN NORTHWEST PENNSYLVANIA
 
   ...CRAWFORD COUNTY
 
AT 545 THIS AFTERNOON ERIE WEATHER RADAR SHOWED A SEVERE THUNDERSTORM
IN WESTERN CRAWFORD COUNTY AT THE NORTHERN END OF THE PYMATUNING
RESEVOIR.
 
OTHER SEVERE THUNDERSTORM THUNDERSTORMS WERE WEST OF THIS STORM IN
ASHTABULA COUNTY OHIO AND WILL BE MOVING EASTWARD TOWARDS CRAWFORD
COUNTY.
 
THIS SEVERE STORM WAS MOVING EAST AT 25 MILES AN HOUR...CITIES AND
TOWNS IN ITS PATH INCLUDE MEADVILLE.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 8, 4:01 PM EDT, 1 hour 50 minutes before
PAZ001-082030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
350 PM EDT SAT AUG 08 1992

...STRONG THUNDERSTORM DEVELOPING NEAR THE PENNSYLVANIA LAKESHORE...

AT 350 THIS AFTERNOON WEATHER RADAR SHOWED A STRONG THUNDERSTORM DEVELOPING
OFFSHORE FROM CONNEAUT OHIO...OTHER THUNDERSTORMS ARE DEVELOPING JUST
SOUTH OF THE LAKESHORE IN NORTHEASTERN OHIO.  ALSO AN ISOLATED
THUNDERSTORM WAS OVER THE CENTRAL LAKE SOUTH OF LONG POINT CANADA.

THUNDERSTORMS WERE MOVING TOWARDS THE EAST AT 15 MILES AN HOUR.

SMALL BOATERS ON LAKE ERIE SHOULD KEEP ALERT FOR THREATENING WEATHER
AND BE PREPARED TO SEEK SAFE HARBOR.

PARRISH
Special weather statement, Aug 8, 5:03 PM EDT, 48 minutes before
OHZALL-082200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
502 PM EDT SAT AUG 8 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE NORTHEAST QUARTER OF
OHIO UNTIL 11 PM EDT THIS EVENING.

SOME OF THE CITIES INCLUDED IN THIS WATCH ARE AKRON-CANTON...LORAIN...
ASHTABULA...CLEVELAND...YOUNGSTOWN...AND STEUBENVILLE.

NATIONAL WEATHER SERVICE RADAR AND LIGHTNING DETECTION SYSTEMS AT 5 PM
SHOWED SCATTERED SHOWERS AND THUNDERSTORMS STRETCHING ON A LINE FROM
EASTERN LAKE ERIE WEST OF BUFFALO SOUTHWEST TO NEAR MANSFIELD. OTHER
THUNDERSTORMS WERE IN EASTERN AND SOUTHERN INDIANA. ALL OF THE
THUNDERSTORMS WERE MOVING TO THE EAST AT AROUND 25 MPH.

THE STRONGEST THUNDERSTORMS WERE IN ASHTABULA COUNTY IN NORTHEAST OHIO
AND ALONG THE PENNSYLVANIA SHORELINE OF LAKE ERIE.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING WIND GUSTS IN EXCESS OF
55 MPH...VERY HEAVY RAIN...LARGE HAIL...AND FREQUENT LIGHTNING.

A SEVERE THUNDERSTORM WATCH MEANS THAT THERE IS A POSSIBILITY FOR
SEVERE THUNDERSTORMS TO DEVELOP IN THE WATCH AREA. IF THREATENING
WEATHER SHOULD APPROACH YOUR LOCATION...SEEK SHELTER...PREFERABLY
INSIDE A REINFORCED SHELTER OR BUILDING. STAY AWAY FROM WINDOWS.

lPARTAIN
Special weather statement, Aug 8, 5:17 PM EDT, 34 minutes before
OHZ004-007-082200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
515 PM EDT SAT AUG 8 1992

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF NORTHEAST OHIO
AND WESTERN PENNSYLV
Special weather statement, Aug 8, 5:50 PM EDT, 1 minute before
OHZ004-082300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
550 PM EDT SAT AUG 8 1992

A SEVERE THUNDERSTORMS WATCH UNTIL 11 PM EDT.

STRONG THUNDERSTORMS WERE MOVING INTO THE MAHONING AND SHENANGO VALLEYS.

AT 540 PM EDT WEATHER RADAR INDICATED A LINE OF THUNDERSTORMS RUNNING
FROM SOUTH OF BUFFALO NEW YORK THROUGH ERIE PENNSYLVANIA TO AKRON TO
NEAR DATON. THE STONGEST CELLS WERE OVER ASHTABULA COUNTY AND OVER THE
CITY OF AKRON IN SUMMIT COUNTY. THERE ARE SEVERE THUNDERSTORM WARNINGS
FOR BOTH ASHTABULA AND SUMMIT COUNTIRES UNTIL 630 PM.

A CELL WAS JUST ENTERING EXTREME SOUTHERN TRUMBULL COUNTY FROM PORTAGE
COUNTY NEAR NEWTON FALLS. THIS STORM WAS MOVING EAST AT 25 MPH AND WILL
AFFECT THE CITIES OF WARREN AND LIBERTY BY ABOUT 615 PM.

IF SEVERE WEATHER THREATENS TAKE SHELTER IN THE BASEMENT OR INTERIOR

ROOM. REMEMBER THAT A WATCH MEANS CONDITIONS ARE POSSIBLE FOR SEVERE
WEATHER TO OCCUR. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR
UPDATES.

SITES

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 4:18 PM EDTSevere Thunderstorm WarningCLEErie57 min
Aug 8, 5:19 PM EDTSevere Thunderstorm WarningCLEErie56 min
Aug 8, 6:45 PM EDTSevere Thunderstorm WarningCLEErie60 min
Aug 8, 6:50 PM EDTFlash Flood WarningCLECrawford3 hr
Aug 8, 7:05 PM EDTSevere Thunderstorm WarningCLEVenango55 min
Aug 8, 7:07 PM EDTSevere Thunderstorm WarningCLELawrence, Mercer68 min
Aug 8, 7:19 PM EDTTornado WarningCLELawrence41 min
Aug 8, 7:40 PM EDTSevere Thunderstorm WarningCLECrawford65 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 1992Every severe thunderstorm warning in 1992

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.