Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 33, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 13, 2008, 10:12 PM EDT for Washington County, Pennsylvania. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 13, 2008, 10:12 PM EDT (02:12 UTC)
- Expired
- Jun 13, 2008, 11:00 PM EDT
- In force
- 48 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
County Washington County, PA
The radar
The Pittsburgh radar (KPBZ), 38 km from the middle of the area, began a volume at 02:15 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.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 2.2 hours before the alert went out and 28 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
- 1145 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1467 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 111 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 13, 2:25 PM EDT, 7 hours 47 minutes earlier.
Area forecast discussion, Jun 13, 2:25 PM EDT, 7 hours 47 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 225 PM EDT FRI JUN 13 2008 .SYNOPSIS... SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH TONIGHT AS SOUTH WINDS BRING MOISTURE INTO THE REGION. STORMS WILL BECOME MORE NUMEROUS LATE TONIGHT AND SATURDAY MORNING AS A COLD FRONT PUSHES THROUGH THE UPPER OHIO VALLEY. HIGH PRESSURE WILL BRING DRY AND MILD CONDITIONS FOR SUNDAY. && .NEAR TERM /THROUGH SATURDAY/... SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH TONIGHT AS LOW LEVEL SOUTHERLY FLOW BRINGS ABUNDANT MOISTURE INTO THE REGION. EXPECT LINES OF STORMS TO BECOME BETTER ORGANIZED LATER TONIGHT AND SATURDAY MORNING AS COLD FRONT APPROACHES AND PUSHES ACROSS THE FORECAST AREA. WILL MENTION SCATTERED POPS EARLY TONIGHT AND LIKELY LATE TONIGHT AND SATURDAY. MAXIMUM TEMPERATURES SHOULD BE NEAR NORMAL SATURDAY. && .SHORT TERM /SATURDAY NIGHT THROUGH SUNDAY/... SURFACE HIGH PRESSURE WILL SLIDE EAST ACROSS THE UPPER OHIO VALLEY AND BRING DRY CONDITIONS SATURDAY NIGHT THROUGH SUNDAY. LOWS IN THE 50S ARE FORECAST FOR SATURDAY NIGHT WITH TEMPERATURES CLIMBING INTO THE LOWER TO MIDDLE 80S SUNDAY AFTERNOON. && .LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/... A FRONTAL SYSTEM WILL BRING A CHANCE OF SHOWERS AND THUNDERSTORMS AS IT MOVES ACROSS THE AREA ON MONDAY AND EARLY TUESDAY. NW FLOW WILL DEVELOP BEHIND THE FRONT DURING MIDWEEK...AND PRECIP CHANCES WILL REMAIN LOW. TEMPERATURES WILL COOL SOMEWHAT BEHIND THE FRONT MIDWEEK...WITH LOWER TO MID 70S FOR HIGHS...AND UPPER 40S TO MID 50S FOR LOWS. && .AVIATION /18Z FRIDAY THROUGH WEDNESDAY/... SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGH TONIGHT AS LOW LEVEL SOUTHERLY FLOW BRINGS ABUNDANT MOISTURE INTO THE REGION. EXPECT LINES OF STORMS TO BECOME BETTER ORGANIZED LATER TONIGHT AND SATURDAY MORNING AS COLD FRONT APPROACHES AND PUSHES ACROSS THE FORECAST AREA. MVFR AND BRIEF IFR CONDITIONS ARE EXPECTED IN THUNDERSTORMS. AREAS OF HAZE WILL ALSO REDUCE VISIBILITY TO MVFR AT TIMES. HIGH PRESSURE WILL THEN BUILD IN FOR SATURDAY NIGHT THROUGH SUNDAY PROVIDING PREVAILING VFR CONDITIONS. A TROUGH OF LOW PRESSURE WILL MOVE SOUTHEAST ACROSS THE REGION MONDAY THROUGH WEDNESDAY WITH MVFR CONDITIONS IN SCATTERED SHOWERS AND STORMS POSSIBLE. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. &&
Hazardous weather outlook, Jun 13, 3:25 AM EDT, 18 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 325 AM EDT FRI JUN 13 2008 OHZ039>041-048-049-057-058-068-141000- TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-MUSKINGUM-GUERNSEY- NOBLE- 325 AM EDT FRI JUN 13 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT. THE MAIN THREAT WILL BE STRONG WINDS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A COLD FRONT WILL SWEEP ACROSS THE AREA SATURDAY...BRINGING NUMEROUS THUNDERSTORMS. THE STRONGER STORMS ARE CAPABLE OF PRODUCING GUSTY WINDS AND SMALL HAIL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON THROUGH SATURDAY. MDZ001-OHZ050-059-069-PAZ007>009-013>016-020>023-029>032-WVZ001>004- 012-021>023-041-141000- GARRETT-JEFFERSON OH-BELMONT-MONROE-MERCER-VENANGO-FOREST-LAWRENCE- BUTLER-CLARION-JEFFERSON PA-BEAVER-ALLEGHENY-ARMSTRONG-INDIANA- WASHINGTON-WESTMORELAND-GREENE-FAYETTE-HANCOCK-BROOKE-OHIO-MARSHALL- WETZEL-MARION-MONONGALIA-PRESTON-TUCKER- 325 AM EDT FRI JUN 13 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...EAST CENTRAL OHIO...NORTHWEST PENNSYLVANIA...SOUTHWEST PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA...NORTHERN WEST VIRGINIA AND NORTHERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A COLD FRONT WILL SWEEP ACROSS THE AREA SATURDAY...BRINGING NUMEROUS THUNDERSTORMS. THE STRONGER STORMS ARE CAPABLE OF PRODUCING GUSTY WINDS AND SMALL HAIL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Jun 13, 9:38 PM EDT, 34 minutes before
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</html>Local storm report, Jun 13, 9:42 PM EDT, 30 minutes before
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</html>Local storm report, Jun 13, 10:01 PM EDT, 11 minutes before
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</html>Special weather statement, Jun 13, 10:04 PM EDT, 8 minutes before
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</html>Local storm report, Jun 13, 10:08 PM EDT, 4 minutes before
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</html>The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 9:07 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 53 min |
| Jun 13, 9:23 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Beaver, Butler, Clarion, Lawrence, Mercer and 1 more | 67 min |
| Jun 13, 9:40 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont, Monroe | 50 min |
| Jun 13, 9:08 PM EDT | Severe Thunderstorm Warning | PBZ | Wetzel | 37 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.