Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 63, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 22, 2008, 5:25 PM EDT for Mercer County, Venango County, Pennsylvania. It was in force for 65 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 22, 2008, 5:25 PM EDT (21:25 UTC)
- Expired
- Jun 22, 2008, 6:30 PM EDT
- In force
- 65 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
Counties Mercer County, PA, Venango County, PA
The radar
The Pittsburgh radar (KPBZ), 93 km from the middle of the area, began a volume at 21:27 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 22, 5:50 PM EDT | HAIL 0.88 | 7 Nw Grove City, PA | INTERSECTION OF I79 AND I80. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 22, 2:24 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.4 hours before the alert went out and 105 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1050 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
NWS Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 22, 2:13 PM EDT, 3 hours 12 minutes earlier.
Area forecast discussion, Jun 22, 2:13 PM EDT, 3 hours 12 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 213 PM EDT SUN JUN 22 2008 .SYNOPSIS... A BROAD AREA OF LOW PRESSURE WILL REMAIN OVER THE NORTHEAST UNITED STATES THROUGH MONDAY. SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE, WITH THE BEST CHANCE DURING THE LATE AFTERNOON AND EVENING. HIGH PRESSURE FINALLY ARRIVES TUESDAY, ALONG WITH MOSTLY SUNNY AND DRIER CONDITIONS. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... SEVERE THUNDERSTORM WATCH UNTIL 8 PM FOR OUR OHIO COUNTIES, WV COUNTIES AND GARRETT CTY MD. ANOTHER SEVERE THUNDERSTORM WATCH UNTIL 10 PM FOR OUR PA COUNTIES. SHORT WAVES TRACKING THROUGH BROAD UPPER LEVEL FLOW ONCE AGAIN TOUCH OFF SHOWERS AND THUNDERSTORMS. MODERATE MID LVL WINDS AND STEEP LAPSE RATES WILL MAKE THE PRIMARY SEVERE WEATHER THREAT HAIL AND DAMAGING WINDS. SEVERE WEATHER THREAT AND CONVECTION WILL DECREASE WITH THE APPROACH OF SUNSET. && .SHORT TERM /6 PM THIS EVENING THROUGH 6 PM MONDAY/... THUNDERSTORMS WILL CONTINUE INTO THE EVENING HOURS BEFORE DISSIPATING. UPPER TROUGH MOVES THROUGH DURING THE DAY ON MONDAY SO WE EXPECT ANOTHER ROUND OF THUNDERSTORMS, SOME COULD BE SEVERE. && .LONG TERM /MONDAY NIGHT THROUGH SUNDAY/... DRY AND SEASONABLE CONDITIONS WILL PREVAIL TUESDAY NIGHT INTO THURSDAY AS A FLAT HIGH PRESSURE RIDGE CROSSES THE AREA. PERIODIC WAVES IN ZONAL FLOW WILL PREVAIL FOR LATE WEEK THROUGH THE WEEKEND...BRINGING PERIODS OF SHOWERS AND THUNDERSTORMS. TEMPERATURES WILL REMAIN NEAR NORMAL. && .AVIATION /18Z SUNDAY THROUGH FRIDAY/... SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS AFTERNOON...AS STRONGLY HEATED LOW LEVELS COMBINE WITH AN UPSTREAM UPPER LEVEL TROUGH AND A COUPLE OF SURFACE BOUNDARIES. EXPECT AREAS OF MVFR CONDITIONS WITH THE STRONGER STORMS...AS WELL AS WIND GUSTS TO 30-40KT AND ISOLATED HAIL. THE STORMS WILL DIMINISH BY 01-03Z AS THE FORCING WEAKENS AND HEATING IS LOST. AREAS OF MVFR/IFR CONDITIONS ARE POSSIBLE OVERNIGHT/EARLY MONDAY IN FOG...ESPECIALLY AREAS THAT RECEIVE THE HEAVIER RAIN THIS EVENING. THE UPPER TROUGH WILL NUDGE EAST ACROSS THE AREA MONDAY...WITH ANOTHER ROUND OF MVFR CONDITIONS IN SHWRS/TSTMS. HIGH PRESSURE WILL PREVAIL TUE/WED FOR VFR CONDITIONS. WEAK WAVES IN ZONAL FLOW WILL APPROACH THE AREA THURSDAY WITH MVFR CONDITIONS POSSIBLE. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. &&
Hazardous weather outlook, Jun 22, 2:28 PM EDT, 2 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 228 PM EDT SUN JUN 22 2008 OHZ039>041-048>050-057-058-231830- TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH- MUSKINGUM-GUERNSEY- 228 PM EDT SUN JUN 22 2008 ...SEVERE THUNDERSTORM WATCH 593 IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO. .DAY ONE...THIS AFTERNOON AND TONIGHT PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS MONDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MDZ001-OHZ059-068-069-WVZ001>004-012-021>023-041-231830- GARRETT-BELMONT-NOBLE-MONROE-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL- MARION-MONONGALIA-PRESTON-TUCKER- 228 PM EDT SUN JUN 22 2008 ...SEVERE THUNDERSTORM WATCH 595 IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA AND NORTHERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS MONDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. PAZ007>009-013>016-020>023-029>032-231830- MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER- ALLEGHENY-ARMSTRONG-INDIANA-WASHINGTON-WESTMORELAND-GREENE-FAYETTE- 228 PM EDT SUN JUN 22 2008 ...SEVERE THUNDERSTORM WATCH 596 IN EFFECT UNTIL 10 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST PENNSYLVANIA...SOUTHWEST PENNSYLVANIA AND WEST CENTRAL PENNSYLVANIA. .DAY ONE...THIS AFTERNOON AND TONIGHT PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS MONDAY. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
In the hours before
Special weather statement, Jun 22, 4:10 PM EDT, 1 hour 15 minutes before
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</html>Special weather statement, Jun 22, 4:15 PM EDT, 1 hour 10 minutes before
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</html>Special weather statement, Jun 22, 4:22 PM EDT, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 422 PM EDT SUN JUN 22 2008 OHZ041-222115- COLUMBIANA OH- 422 PM EDT SUN JUN 22 2008 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTY... COLUMBIANA... AT 419 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 8 MILES WEST OF HOMEWORTH...MOVING NORTHEAST AT 24 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... COLUMBIANA...HOMEWORTH...LEETONIA...SALEM...ADAIR...BRIDGEWATER... CHAMBERSBURG...FRANKLIN SQUARE...LONGS CROSSING...MCGARRY... MOULTRIE...NEW MIDDLETON...NORTH GEORGETOWN...READING AND SALEM HEIGHTS THIS STORM WILL PRODUCE SMALL HAIL...GUSTY WINDS...AND CLOUD TO GROUND LIGHTNING. KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR EAST CENTRAL OHIO. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND NORTHERN WEST VIRGINIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT SUNDAY EVENING FOR WESTERN PENNSYLVANIA.
Special weather statement, Jun 22, 4:36 PM EDT, 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 436 PM EDT SUN JUN 22 2008 OHZ039-040-222130- CARROLL OH-TUSCARAWAS OH- 436 PM EDT SUN JUN 22 2008 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... TUSCARAWAS AND CARROLL... AT 432 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 14 MILES WEST OF STRASBURG...OR ABOUT 11 MILES NORTHWEST OF SUGARCREEK...MOVING NORTHEAST AT 21 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... BOLIVAR...STRASBURG...DEARDOFFS MILLS...DUNDEE...LAWRENCEVILLE... SANDYVILLE AND WILKSHIRE HILLS THIS STORM WILL PRODUCE SMALL HAIL...GUSTY WINDS...AND CLOUD TO GROUND LIGHTNING. KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR EAST CENTRAL OHIO. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND NORTHERN WEST VIRGINIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT SUNDAY EVENING FOR WESTERN PENNSYLVANIA.
Special weather statement, Jun 22, 4:58 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 458 PM EDT SUN JUN 22 2008 PAZ007-013-222200- LAWRENCE PA-MERCER PA- 458 PM EDT SUN JUN 22 2008 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... MERCER AND LAWRENCE... AT 457 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 5 MILES SOUTHWEST OF NEW WILMINGTON... MOVING NORTHEAST AT 21 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... ENTERPRISE...GROVE CITY...MERCER...NEW CASTLE...NEW WILMINGTON... OAKLAND...AMSTERDAM...BELMAR PARK...BETHEL...BLACKTOWN...BOOHER CORNERS...BOWIE...BRENT...BROAD ACRES AND CARBON THIS STORM WILL PRODUCE SMALL HAIL AND GUSTY WINDS. KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR EAST CENTRAL OHIO. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND NORTHERN WEST VIRGINIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT SUNDAY EVENING FOR WESTERN PENNSYLVANIA.
Special weather statement, Jun 22, 5:10 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 510 PM EDT SUN JUN 22 2008 PAZ007-008-015-222215- CLARION PA-MERCER PA-VENANGO PA- 510 PM EDT SUN JUN 22 2008 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... VENANGO...CLARION AND MERCER... AT 506 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 2 MILES SOUTHWEST OF MERCER...MOVING EAST AT 21 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... CLINTONVILLE...ENTERPRISE...GROVE CITY...KENNERDELL...MERCER... MOUNT PLEASANT...OAKLAND...POLK...STONEBORO...SUGARCREEK... UNIONTOWN...AJAX...ASTRAL...BARKEYVILLE AND BARRS CORNERS THIS STORM WILL PRODUCE SMALL HAIL AND 30 TO 40 MPH WIND. KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR EAST CENTRAL OHIO. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 800 PM EDT SUNDAY EVENING FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND NORTHERN WEST VIRGINIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 1000 PM EDT SUNDAY EVENING FOR WESTERN PENNSYLVANIA.
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2008Every severe thunderstorm warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.