Alert archive / Pennsylvania / Tornado Warnings in 1990
Tornado Warning 1, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this tornado warning at Jun 8, 1990, 7:09 PM EDT for Westmoreland County, Pennsylvania. It was in force for 66 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1990, 7:09 PM EDT (23:09 UTC)
- Expired
- Jun 8, 1990, 8:15 PM EDT
- In force
- 66 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Westmoreland County, PA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.2 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
- 54 J/kg
- Mixed-layer CIN
- -251 J/kg
- Mixed-layer LCL
- 1053 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 239 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 082312 COR TORPIT PAC129-090015- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 709 PM EDT FRI JUN 8 1990 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 815 PM EDT FOR THE FOLLOWING LOCATION... IN WEST PENNSYLVANIA ...WESTMORELAND COUNTY WEATHER RADAR SHOWED A TORNADO OVER WESTMORELAND COUNTY MOVING EASTSOUTHEAST AT 25 MPH TOWARD JEANETTE AND GREENSBURG AND LATROBE. HEAVY RAIN MAY CAUSE FLOODING. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE L_OWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS.
What forecasters said that day
The local office's own words before this tornado 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 8, 2:56 PM EDT, 4 hours 13 minutes before
PAZ001>006-013>015-WVZ001-082000- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PITTSBURGH PA 240 PM EDT FRI JUN 8 1990 ...STRONG THUNDERSTORMS RUMBLING THROUGH SOUTHWEST PENNSYLVANIA... AT 240 PM THE PITTSBURGH WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS SCATTERED IN A LINE BETWEEN WHEELING WEST VIRGINIA AND LATROBE PENNSYLVANIA...MOVING TOWARD THE EAST AT 45 MPH. THE STRONGEST STORM WAS NEAR LATROBE PENNSYLVANIA. THIS STORM WILL MOVE INTO THE JOHNSTOWN AREA SHORTLY AFTER 3 PM...AND THEN TO SOUTHERN BLAIR AND NORTHERN BEDFORD COUNTIES BY 330 PM. THIS STORM CONTAINS HEAVY RAIN...STRONG WIND...DANGEROUS LIGHTNING... AND POSSIBLY SMALL HAIL. WHEN STORMS APPROACH...MOVE INDOORS. NEVER DRIVE THROUGH FLOODED AREAS. OTHER STORMS WERE SCATTERED OVER WESTERN PENNSYLVANIA AND THE NORTHERN PANHANDLE OF WEST VIRGINIA. OVER THE PAST HOUR...COVERAGE AND INTENSITIES REMAINED ABOUT THE SAME. AGAIN...THESE ]STORMS WERE MOVING TOWARD THE EAST AT 45 MPH. REHAK/NOUHAN
Special weather statement, Jun 8, 3:50 PM EDT, 3 hours 19 minutes before
PAZ001>006-013>015-WVZ001-082000- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PITTSBURGH PA 345 PM EDT FRI JUN 8 1990 ...STRONG THUNDERSTORMS OVER THE LAUREL MOUNTAINS OF PENNSYLVANIA... AT 345 PM THE PITTSBURGH WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS STRETCHING FROM NEAR CONFLUENCE...NORTHEAST TO LIGONIER ...THEN EAST TO MARTINSBURG. THESE COMMUNITIES ARE IN FAYETTE...SOMERSET ...AND BEDFORD COUNTIES OF PENNSYLVANIA. THE STORMS WERE MOVING TOWARD THE EAST AT 45 MPH. THESE STROMS WILL MOVE THROUGH SOMERSET COUNTY AND INTO THE BEDFORD AREA BY 430 PM...AND THEN INTO SOUTHERN HUNTINGDON AND FULTON COUNTIES BY 5 PM. HEAVY RAIN...STRONG WIND...DANGEROUS LIGHTNING...AND SMALL HAIL WILL ACCOMPANY THESE STORMS. WHEN STORMS APPROACH...MOVE INDOORS. NEVER DRIVE THROUGH FLOODED AREAS. OTHER STORMS WERE SCATTERED OVER WESTERN PENNSYLVANIA...NORTHERN WEST VIRGINIA...AND CENTRAL OHIO. OVER THE PAST HOUR...COVERAGE AND INTENSITIES REMAINED ABOUT THE SAME. AGAIN...THESE STORMS WERE MOVING TOWARD THE EAST AT 45 MPH. REHAK/NOUHAN
Special weather statement, Jun 8, 5:00 PM EDT, 2 hours 9 minutes before
PAZ001>006-013>015-WVZ001-090300- SPECIAL WEATHER AND FLOOD STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 500 PM EDT FRI JUN 8 1990 ...TORNADO WATCH TIL 10 PM FOR THE WEST VIRGINIA NORTHERN PANHANDLE AND FOR WESTERN PENNSYLVANIA SOUTH OF INTERSTATE 80. FLOOD WATCH FOR AREA STREAMS AND CREEKS TIL MIDNIGHT... IF YOURE IN FAYETTE SOMERSET SOUTHERN CAMBRIA...THE JOHNSTOWN AREA... BEDFORD FULTON AND FRANKLIN COUNTIES EARLY THIS EVENING...BE ON THE LOOKOUT FOR FLOODING ALONG SMALL STREAMS AND WHERE DRAINAGE IS POOR. SOME AREAS GOT CLOSE TO TWO INCHES OF RAIN BETWEEN 3 AND 430. JUST BEFORE 5 PM...THE ONLY STORMS LEFT WERE OVER FRANKLIN COUNTY IN THE SOUTH CENTRAL PENNSYLVANIA MOUNTAINS...AND THESE...MOVING SOUTHEAST AT 30 MILES AN HOUR...WILL BE OUT OF FRANKLIN COUNTY BY 530. RADAR SHOWS MORE STORMS BREWING OVER OHIO. THE CLOSEST TO WEST VIRGINIA AND PENNSYLVANIA WAS NEAR ZANESVILLE MOVING SOUTHEAST AT 30 MILES AN HOUR. GIORDAaNO
Special weather statement, Jun 8, 5:51 PM EDT, 1 hour 18 minutes before
PAZ001>006-013>015-WVZ001-090400- SPECIAL WEATHER/FLOOD STATEMENT AND WEATHER RADAR SUMMARY NATIONAL WEATHER SERVICE PITTSBURGH PA 545 PM EDT FRI JUN 8 1990 ...TORNADO WATCH TIL 10 PM FOR THE WEST VIRGINIA NORTHERN PANHANDLE AND FOR WESTERN PENNSYLVANIA SOUTH OF INTERSTATE 80. FLOOD WATCH FOR AREA STREAMS AND CREEKS TIL MIDNIGHT... IF YOURE IN FAYETTE SOMERSET...THE JOHNSTOWN AREA OF CAMBRIA COUNTY... BEDFORD FULTON AND FRANKLIN COUNTIES EARLY THIS EVENING...BE ON THE LOOKOUT FOR FLOODING ALONG SMALL STREAMS AND WHERE DRAINAGE IS POOR. SOME AREAS GOT CLOSE TO TWO INCHES OF RAIN BETWEEN 3 AND 430. JUST BEFORE 6 PM...THERE WERE NO THUNDERSTORMS OVER WESTERN PENNSYLVANIA...ONLY STORMS OVER OHIO. THE NEAREST OHIO STORMS WERE AROUND CAMBRIDGE AND ZANESVILLE STILL MOVING EASTSOUTHEAST AT 30 MILES AN HOUR. THIS STORM MAY AFFECT MARSHALL COUNTY WEST VIRGINIA AROUND 7 PM OR SO...WITH STRONG WIND GUSTS AND HEAVY DOWNPOURS POSSIBLE. THERE WERE OTHER STORMS IN OHIO BEHIND THIS ONE...AND THESE COULD BRING HEAVY RAIN AND HIGH WIND TO THE PENNSYLVANIA AND WEST VIRGINIA WATCH AREA LATER THIS EVENING. SO IF YOURE OUT THIS EVENING...KEEP AN EYE OUT FOR APPROACHING BAD WEATHER AND WHERE YOU CAN GO FOR SAFE SHELTER. ALSO KEEP THE RADIO OR TV ON FOR POSSIBLE WARNINGS. GIORDANO/STEWART/REHAK
Special weather statement, Jun 8, 6:47 PM EDT, 22 minutes before
PAZ001>006-013>015-WVZ001-090400- SPECIAL WEATHER/FLOOD STATEMENT AND WEATHER RADAR SUMMARY NATIONAL WEATHER SERVICE PITTSBURGH PA 645 PM EDT FRI JUN 8 1990 ...TORNADO WATCH TIL 10 PM FOR THE WEST VIRGINIA NORTHERN PANHANDLE AND FOR WESTERN PENNSYLVANIA SOUTH OF INTERSTATE 80. FLOOD WATCH FOR AREA STREAMS AND CREEKS TIL MIDNIGHT... AT 645 PM WEATHER RADAR SHOWED TWO STRONG THUNDERSTORMS OVER ALLEGHENY COUNTY OF PENNSYLVANIA. ONE STORM WAS LOCATED NEAR DOWNTOWN PITTSBURGH ...AND THE OTHER WAS JUST TO THE WEST OF DOWNTOWN. HAIL...A HALF INCH IN DIAMETER...WAS REPORTED IN DOWNTOWN PITTSBURGH WITH ONE STORM. HEAVY RAIN...STRONG WINDS AND DANGEROUS LIGHTNING MAY ALSO ACCOMPANY THESE STORMS. THERE WERE OTHER STORMS IN OHIO BEHIND THIS ONE...AND THESE COULD BRING HEAVY RAIN AND HIGH WIND TO THE PENNSYLVANIA AND WEST VIRGINIA WATCH AREA LATER THIS EVENING. SO IF YOURE OUT THIS EVENING...KEEP AN EYE OUT FOR APPROACHING BAD WEATHER ANDG WHERE YOU CAN GO FOR SAFE SHELTER. ALSO KEEP THE RADIO OR TV ON FOR POSSIBLE WARNINGS. GIORDANO/STEWART/REHAK
Special weather statement, Jun 8, 6:52 PM EDT, 17 minutes before
PAZ001>006-013>015-WVZ001-090400- SPECIAL WEATHER/FLOOD STATEMENT AND WEATHER RADAR SUMMARY NATIONAL WEATHER SERVICE PITTSBURGH PA 645 PM EDT FRI JUN 8 1990 ...TORNADO WATCH TIL 10 PM FOR THE WEST VIRGINIA NORTHERN PANHANDLE AND FOR WESTERN PENNSYLVANIA SOUTH OF INTERSTATE 80. FLOOD WATCH FOR AREA STREAMS AND CREEKS TIL MIDNIGHT... AT 645 PM WEATHER RADAR SHOWED TWO STRONG THUNDERSTORMS OVER ALLEGHENY COUNTY OF PENNSYLVANIA. ONE STORM WAS LOCATED NEAR DOWNTOWN PITTSBURGH ...AND THE OTHER WAS JUST TO THE WEST OF DOWNTOWN. HAIL...A HALF INCH IN DIAMETER...WAS REPORTED IN DOWNTOWN PITTSBURGH WITH ONE STORM. STRONG WINDS AND DANGEROUS LIGHTNING MAY ALSO OCCUR. REPEATED HEAVY RAIN WILL CAUSE FLOODING. NEVER DRIVE THROUGH FLOODING. THERE WERE OTHER STORMS IN OHIO BEHIND THIS ONE...AND THESE COULD BRING HEAVY RAIN AND HIGH WIND TO THE PENNSYLVANIA AND WEST VIRGINIA WATCH AREA LATER THIS EVENING. SO IF YOURE OUT THIS EVENING...NKEEP AN EYE OUT FOR BAD WEATHER AND FOR SAFE PLACES TO TAKE SHELTER. ALSO KEEP THE RADIO OR TV ON FOR POSSIBLE WARNINGS. REHAK/GIORDANO/NOUHAN
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 7:14 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 61 min |
| Jun 8, 7:25 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 65 min |
| Jun 8, 7:49 AM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 56 min |
| Jun 8, 9:05 AM EDT | Severe Thunderstorm Warning | PBZ | Cambria, Somerset | 55 min |
| Jun 8, 3:40 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Somerset | 65 min |
Nearby
Tornado Warnings in Pennsylvania, 1990Every tornado warning in 1990Tornadoes in 1990
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.