Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 113, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 24, 1996, 9:54 AM EDT for Westmoreland County, Pennsylvania. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 24, 1996, 9:54 AM EDT (13:54 UTC)
- Expired
- Jun 24, 1996, 10:30 AM EDT
- In force
- 36 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Westmoreland County, PA
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 1.9 hours before the alert went out and 233 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.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1076 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIT 241355 SVRPIT PAC129-241430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 954 AM EDT MON JUN 24 1996 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 AM EDT FOR THE FOLLOWING LOCATION... IN WEST PENNSYLVANIA ...WESTMORELAND COUNTY AT 950 AM WEATHER RADAR SHOWED A SEVERE THUNDERSTORM MOVING EASTWARD AT 30 MPH ACROSS NORTHERN WESTMORELAND COUNTY. THIS STORM WILL AFFECT AREAS MAINLY NORTH OF U.S ROUTE 22...SUCH AS DELMONT...MURRYSVILLE... EXPORT...NORTH WASHINGTON...AND NEW ALEXANDRIA. LARGE HAIL AND DAMAGING WIND ARE LIKELY WITH THIS STORM. THE STORM WILL ALSO DROP SOME HEAVY RAINS...WHICH MAY CAUSE POOR DRAINAGE AND ROADWAY FLOODING. THE NORTH WASHINGTON COMMUNITY IN WASHINGTON TOWNSHIP MAY BE PARTICULARLY VULNERABLE TO THIS TYPE OF FLOODING AS THE AREA ALONG PINE CREEK WAS HARDHIT FROM THURSDAYS FLOOD. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...DESTRUCTIVE HAIL... DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR SAFETY GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR BUILDING. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING,. HEAVY RAINS CAN QUICKLY CAUSE FLOODING. DO NOT CROSS WHERE WATER COVERS YOUR PATH.
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 24, 4:30 AM EDT, 5 hours 24 minutes before
PAZ004>036-OHZ039>041-048>050-057>059-068-069- WVZ001>004-012-021>023-041-MDZ001-250000- SPECIAL WEATHER STATEMENT - POTENTIAL SEVERE THUNDERSTORM DAY NATIONAL WEATHER SERVICE PITTSBURGH PA 430 AM EDT MON JUN 24 1996 ...THUNDERSTORMS WITH DAMAGING WIND GUSTS AND TORRENTIAL DOWNPOURS POSSIBLE ACROSS PARTS OF WESTERN PENNSYLVANIA... EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA... AND WESTERN MARYLAND... TODAYS THUNDERSTORMS MAY HAVE DAMAGING WIND GUSTS OF OVER 60 MPH AND DOWNPOURS GREATER THAN 1 INCH IN AN HOUR WHICH MAY CAUSE FLOODING ON ROADWAYS AND WHERE DRAINAGE IS POOR. IF THE DOWNPOURS LAST TOO LONG...AND CAUSE OVER 2 INCHES OF RAINFALL...SMALL STREAMS MAY FLOOD ALSO. THESE TYPE OF THUNDERSTORMS OFTEN HAVE LOTS OF CLOUD TO GROUND LIGHTNING. SO BE READY TO TAKE SHELTER INDOORS...PREFERABLY IN A STRONG BUILDING...AWAY FROM WINDOWS. MOTORISTS...PULL OVER TIL AFTER THE STORMS PASS. BOATERS...GET TO SHORE AND GO INDOORS. TODAYS THUNDERSTORMS WILL BE FUELED BY THE HUMIDITY INCREASING AHEAD OF A MIDWEST COLD FRONT THAT WILL BE CROSSING THE WESTERN PENNSYLVANIA REGION THIS EVENING. THE WORST STORMS WILL LIKELY COME THIS AFTERNOON OR EVENING. HOWEVER FOR EAST C"ENTRAL OHIO...NORTHERN WEST VIRGINIA...AND FAR WESTERN PENNSYLVANIA...THE FIRST STORMS COULD DEVELOP THIS MORNING. LISTEN FOR FURTHER MESSAGES ABOUT THUNDERSTORMS TODAY...AND KEEP AN EYE ON THE SKY. GIORDANO
Special weather statement, Jun 24, 9:08 AM EDT, 46 minutes before
PAZ007>009-013>016-020>023-029>032-241800- SPECIAL WEATHER STATEMENT - SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE PITTSBURGH PA 900 AM EDT MON JUN 24 1996 ...SEVERE THUNDERSTORM WATCH TIL 2PM... THIS SEVERE THUNDERSTORM WATCH INCLUDES THE FOLLOWING COUNTIES IN WESTTERN PA... CLARION FOREST JEFFERSON MERCER VENANGO ALLEGHENY ARMSTRONG BEAVER BUTLER FAYETTE GREENE INDIANA LAWRENCE WASHINGTON WESTMORELAND A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS. SEVERE THUNDERSTORMS CONTAIN DAMAGING WINDS OVER 58 MPH...LARGE HAIL AND DANGEROUS LIGHTNING. HEAVY THUNDERSTORM RAINS CAN ALSO CAUSE FLOODING.
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 7:05 AM EDT | Flash Flood Warning | PBZ | Mercer | 115 min |
| Jun 24, 7:05 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 115 min |
| Jun 24, 7:46 AM EDT | Flash Flood Warning | PBZ | Venango | 2 hr |
| Jun 24, 7:46 AM EDT | Severe Thunderstorm Warning | PBZ | Venango | 2 hr |
| Jun 24, 7:59 AM EDT | Flash Flood Warning | PBZ | Lawrence | 2 hr |
| Jun 24, 7:59 AM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 2 hr |
| Jun 24, 8:16 AM EDT | Flash Flood Warning | PBZ | Clarion | 2 hr |
| Jun 24, 8:16 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 2 hr |
| Jun 24, 8:25 AM EDT | Flash Flood Warning | PBZ | Butler | 2 hr |
| Jun 24, 8:25 AM EDT | Severe Thunderstorm Warning | PBZ | Butler | 2 hr |
| Jun 24, 8:42 AM EDT | Flash Flood Warning | PBZ | Forest, Jefferson | 2 hr |
| Jun 24, 10:06 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 54 min |
| Jun 24, 12:51 PM EDT | Flash Flood Warning | PBZ | Beaver | 69 min |
| Jun 24, 12:51 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 69 min |
| Jun 24, 1:21 PM EDT | Flash Flood Warning | PBZ | Allegheny | 84 min |
| Jun 24, 1:21 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 84 min |
| Jun 24, 1:56 PM EDT | Flash Flood Warning | PBZ | Armstrong, Westmoreland | 2 hr |
| Jun 24, 1:56 PM EDT | Flash Flood Warning | PBZ | Lawrence, Mercer | 2 hr |
| Jun 24, 1:56 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Westmoreland | 2 hr |
| Jun 24, 1:56 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence, Mercer | 2 hr |
| Jun 24, 2:00 PM EDT | Flash Flood Warning | PBZ | Beaver | 2 hr |
| Jun 24, 2:23 PM EDT | Flash Flood Warning | PBZ | Allegheny, Washington | 2 hr |
| Jun 24, 2:23 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 2 hr |
| Jun 24, 2:32 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 58 min |
| Jun 24, 2:44 PM EDT | Flash Flood Warning | PBZ | Clarion, Jefferson | 2 hr |
| Jun 24, 2:44 PM EDT | Flash Flood Warning | PBZ | Indiana | 2 hr |
| Jun 24, 2:44 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 2 hr |
| Jun 24, 2:44 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 2 hr |
| Jun 24, 3:09 PM EDT | Flash Flood Warning | PBZ | Fayette, Greene | 111 min |
| Jun 24, 3:09 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 111 min |
| Jun 24, 3:44 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver, Washington, Westmoreland | 2 hr |
| Jun 24, 4:44 PM EDT | Flash Flood Warning | PBZ | Fayette | 76 min |
| Jun 24, 4:44 PM EDT | Flash Flood Warning | PBZ | Indiana | 76 min |
| Jun 24, 5:51 PM EDT | Flash Flood Warning | PBZ | Allegheny, Fayette, Westmoreland | 3 hr |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1996Every severe thunderstorm warning in 1996
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.