Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 21, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 8, 1993, 3:22 PM EDT for Armstrong County, Clarion County, Pennsylvania. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1993, 3:22 PM EDT (19:22 UTC)
- Expired
- Jun 8, 1993, 4:30 PM EDT
- In force
- 68 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
Counties Armstrong County, PA, Clarion County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 7.4 hours before the alert went out and 86 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
- 446 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 573 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KPIT 081922 SVRPBZ PAC005-031-082030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 322 PM EDT TUE JUN 8 1993 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM EDT FOR THE FOLLOWING LOCATIONS... IN WEST PENNSYLVANIA ...ARMSTRONG COUNTY...CLARION COUNTY AT 320 PM RADAR SHOWED A SEVERE THUNDERSTORM OVER PARKER CITY PENNSYLVANIA IN THE NORTHWEST CORNER OF ARMSTRONG COUNTY. THIS STORM HAS HAIL. IT IS MOVING EAST AT 40 MPH. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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, 2:17 PM EDT, 1 hour 5 minutes before
PAZ001>006-013>015-WVZ001-081900- SPECIAL WEATHER AND RADAR STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 217 PM EDT TUE JUN 8 1993 AT 2 PM A LINE OF STRONG THUNDERSTORMS WAS MOVING ACROSS NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA. THIS LINE EXTENDED FROM MANSFIELD OHIO NEAR JAMESTOWN NEW YORK. THE STRONGEST STORMS WERE LOCATED JUST NORTH OF YOUNGSTOWN IN OHIO ...15 MILES NORTH OF YOUNGSTOWN...AND JUST SOUTH OF MEADVILLE. THESE STORMS WILL PRODUCE STRONG GUSTY WINDS...VERY HEAVY RAIN... LARGE HAIL...AND DEADLY LIGHTNING. THE STWERE MOVING SOUTHEAST AT 45 MILES AN HOUR AND WILL MOVE INTO MERCER...VENANGO...AND NORTHERN BUTLER COUNTIES WITH THE NEXT HOUR. PEOPLE IN THE PATH OF THESE STORMS SHOULD TAKE ACTION IMMEDIATLY. ROLINSKI/WITENSKI/VJN
Special weather statement, Jun 8, 2:19 PM EDT, 1 hour 3 minutes before
PAZ001>006-013>015-WVZ001-081900- SPECIAL WEATHER AND RADAR STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 217 PM EDT TUE JUN 8 1993 AT 2 PM A LINE OF STRONG THUNDERSTORMS WAS MOVING ACROSS NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA. THIS LINE EXTENDED FROM MANSFIELD OHIO TO NEAR JAMESTOWN NEW YORK. THE STRONGEST STORMS WERE LOCATED JUST NORTH OF YOUNGSTOWN IN OHIO ...15 MILES NORTH OF YOUNGSTOWN...AND JUST SOUTH OF MEADVILLE. THESE STORMS WILL PRODUCE STRONG GUSTY WINDS...VERY HEAVY RAIN... LARGE HAIL...AND DEADLY LIGHTNING. THE STORMS WERE MOVING SOUTHEAST AT 45 MILES AN HOUR AND WILL MOVE INTO MERCER...VENANGO...AND NORTHERN BUTLER COUNTIES WITH THE NEXT HOUR. PEOPLE IN THE PATHl OF THESE STORMS SHOULD TAKE ACTION IMMEDIATLY. ROLINSKI/WITENSKI/VJN
Special weather statement, Jun 8, 2:48 PM EDT, 34 minutes before
PAZ001>006-013>015-WVZ001-081900- SPECIAL WEATHER AND RADAR STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 247 PM EDT TUE JUN 8 1993 AT 2 PM A LINE OF STRONG THUNDERSTORMS WAS MOVING ACROSS NORTHEAST OHIO AND NORTHWEST PENNSYLVANIA. THIS LINE EXTENDED FROM MANSFIELD OHIO TO NEAR JAMESTOWN NEW YORK. THE STRONGEST STORMS WERE LOCATED JUST NORTH OF YOUNGSTOWN IN OHIO ...15 MILES NORTH OF YOUNGSTOWN...AND JUST SOUTH OF MEADVILLE. THESE STORMS WILL PRODUCE STRONG GUSTY WINDS...VERY HEAVY RAIN... LARGE HAIL...AND DEADLY LIGHTNING. THE STORMS WERE MOVING SOUTHEAST AT 45 MILES AN HOUR AND WILL MOVE INTO MERCER...VENANGO...AND NORTHERN BUTLER COUNTIES WITH THE NEXT HOUR. PEOPLE IN THE PATH OF THESE STORMS SHOULD TAKE ACTION IMMEDIATLY. ROLINSKI/WITENSKI/VJN
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 9:52 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 68 min |
| Jun 8, 1:30 AM EDT | Flash Flood Warning | PBZ | Washington | 90 min |
| Jun 8, 1:58 AM EDT | Flash Flood Warning | PBZ | Greene | 62 min |
| Jun 8, 4:25 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler | 35 min |
| Jun 8, 5:06 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 54 min |
| Jun 8, 5:56 PM EDT | Severe Thunderstorm Warning | PBZ | Blair, Cambria | 64 min |
| Jun 8, 7:01 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset | 59 min |
| Jun 8, 7:58 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 62 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1993Every severe thunderstorm warning in 1993
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.