Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 38, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 11, 1994, 5:50 PM EDT for Westmoreland County, Pennsylvania. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Jun 11, 1994, 5:50 PM EDT (21:50 UTC)
- Expired
- Jun 11, 1994, 6:30 PM EDT
- In force
- 40 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Westmoreland County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.8 hours before the alert went out and 55 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
- 442 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 1002 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
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 11, 1:51 PM EDT, 3 hours 59 minutes before
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</html>Special weather statement, Jun 11, 1:51 PM EDT, 3 hours 59 minutes before
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<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Special weather statement, Jun 11, 4:35 PM EDT, 1 hour 15 minutes before
PAZ001>036-WV001>004-120000- SPECIAL WEATHER STATEMENT -SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE PITTSBURGH PA 435 PM EDT SAT JUNE 11 1994 ...SEVERE THUNDERSTORM WATCH FOR WESTERN PENNSYLVANIA AND THE NORTHERN PANHANDLE OF WEST VIRGINIA UNTIL 8 PM... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WESTERN PENNSYLVANIA AND THE NORTHERN PANHANDLE OF WEST VIRINGIA UNTIL SATURDAY 8 PM EDT. ...A FLASH FLOOD WARNING CONTINUES FOR SOMERSET COUTNY UNTIL 630 PM... AT 430 PM...DOPPLER RADAR SHOWED ISOLATED STRONG THUNDERSTORMS ACROSS WESTERN PENNSYLVANIA AND NORTHERN WEST VIRGINIA. A TORNADO WAS REPORTED IN CRAWFORD COUNTY NEAR BLOOMING VALLEY. OTHER STRONG THUNDERSTORMS ARE IN ELK...NORTHERN VENANAGO...NORTHERN SOMERSET...NORTHEN MERCER...AND IN ARMSTRONG COUNTY. A COUPLE OTHER STRONG STORMS WERE OVER NORTHERN WEST VIRGINIA. THESE THUNDERSTORMS WRE MOVING TOWARD THE EAST-NORTHEAST AT 30 MPH. THESE STORMS MAY PRODUCE VERY HEAVY DOWNPOURS...DAMAGING WINDS... FREQUENT DANGEROUS LIGHTNING...AND HAIL. IF THREATENING WEATHER APPROACHES...MOVE INDOORS OR TAKE SHELTER BENEATH A STURDY STRUCTURE. NEVER TRY TO DRIVE OR WALK THROUGH FLOOD WATERS...YOU COULD BE SWEPT AWAY. REHAK
Special weather statement, Jun 11, 4:35 PM EDT, 1 hour 15 minutes before
PAZ001>036-WV001>004-120000- SPECIAL WEATHER STATEMENT -SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE PITTSBURGH PA 435 PM EDT SAT JUNE 11 1994 ...SEVERE THUNDERSTORM WATCH FOR WESTERN PENNSYLVANIA AND THE NORTHERN PANHANDLE OF WEST VIRGINIA UNTIL 8 PM... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR WESTERN PENNSYLVANIA AND THE NORTHERN PANHANDLE OF WEST VIRINGIA UNTIL SATURDAY 8 PM EDT. ...A FLASH FLOOD WARNING CONTINUES FOR SOMERSET COUTNY UNTIL 630 PM... AT 430 PM...DOPPLER RADAR SHOWED ISOLATED STRONG THUNDERSTORMS ACROSS WESTERN PENNSYLVANIA AND NORTHERN WEST VIRGINIA. A TORNADO WAS REPORTED IN CRAWFORD COUNTY NEAR BLOOMING VALLEY. OTHER STRONG THUNDERSTORMS ARE IN ELK...NORTHERN VENANAGO...NORTHERN SOMERSET...NORTHEN MERCER...AND IN ARMSTRONG COUNTY. A COUPLE OTHER STRONG STORMS WERE OVER NORTHERN WEST VIRGINIA. THESE THUNDERSTORMS WRE MOVING TOWARD THE EAST-NORTHEAST AT 30 MPH. THESE STORMS MAY PRODUCE VERY HEAVY DOWNPOURS...DAMAGING WINDS... FREQUENT DANGEROUS LIGHTNING...AND HAIL. IF THREATENING WEATHER APPROACHES...MOVE INDOORS OR TAKE SHELTER BENEATH A STURDY STRUCTURE. NEVER TRY TO DRIVE OR WALK THROUGH FLOOD WATERS...YOU COULD BE SWEPT AWAY. REHAK
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 5:17 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 43 min |
| Jun 11, 6:51 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 54 min |
| Jun 11, 7:04 PM EDT | Tornado Warning | PBZ | Clarion | 41 min |
| Jun 11, 7:36 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 39 min |
| Jun 11, 7:42 PM EDT | Severe Thunderstorm Warning | PBZ | Brooke, Hancock | 48 min |
| Jun 11, 7:50 PM EDT | Severe Thunderstorm Warning | PBZ | Marshall | 40 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.