Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 24, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 8, 1990, 3:40 PM EDT for Fayette County, Somerset County, Pennsylvania. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1990, 3:40 PM EDT (19:40 UTC)
- Expired
- Jun 8, 1990, 4:45 PM EDT
- In force
- 65 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
Counties Fayette County, PA, Somerset 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, 7.7 hours before the alert went out and 200 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
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, Jun 8, 11:25 AM EDT, 4 hours 15 minutes before
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</html>Special weather statement, Jun 8, 2:53 PM EDT, 47 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>Special weather statement, Jun 8, 2:56 PM EDT, 44 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
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, 7:09 PM EDT | Tornado Warning | PBZ | Westmoreland | 66 min |
| Jun 8, 6:59 AM EDT | Severe Thunderstorm Warning | PBZ | Brooke, Hancock | 61 min |
| Jun 8, 7:25 AM EDT | Severe Thunderstorm Warning | PBZ | Marshall | 65 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1990Every severe thunderstorm warning 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.