Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 262, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Sep 23, 2005, 1:28 AM EDT for Beaver County, Butler County, Pennsylvania. It was in force for 47 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
- Sep 23, 2005, 1:28 AM EDT (05:28 UTC)
- Expired
- Sep 23, 2005, 2:15 AM EDT
- In force
- 47 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Counties, with a storm outline in the text
Counties Beaver County, PA, Butler County, PA
The radar
The Pittsburgh radar (KPBZ), 30 km from the middle of the area, began a volume at 05:29 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, 5.5 hours before the alert went out and 43 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
- 95 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 1646 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 Sep 22, 3:30 PM EDT, 9 hours 58 minutes earlier.
Area forecast discussion, Sep 22, 3:30 PM EDT, 9 hours 58 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 330 PM EDT THU SEP 22 2005 .SHORT TERM (TONIGHT THROUGH FRIDAY)... A CHANCE OF THUNDERSTORMS TONIGHT IN ASSOCIATION WITH A COLD FRONT. CURRENTLY, THE STORMS HAVE DEVELOPED OVER EAST CENTRAL MICHIGAN AND WILL CONTINUE EASTWARD. ADDITIONAL DEVELOPMENT IS EXPECTED THOUGH THE CWA BY MORNING. && .LONG TERM (FRIDAY NIGHT THROUGH THURSDAY)... FRONTAL BOUNDARY WILL STRETCH OUT TO THE SOUTH OF THE FORECAST AREA BY FRIDAY NIGHT AND THEN RETURN NORTHWARD AS A WARM FRONT ON SUNDAY. WILL GENERALLY GO WITH POPS LESS 20 PERCENT FRIDAY NIGHT THROUGH SATURDAY NIGHT...THEN CHANCE POPS ON SUNDAY. A COLD FRONT WILL PUSH THROUGH THE REGION ON MONDAY BRINGING ANOTHER CHANCE OF SHOWERS/THUNDERSTORMS. TUESDAY WILL BE DRY UNDER HIGH PRESSURE...THEN NEXT PRECIP CHANCE WILL BE FROM LATE WEDNESDAY THROUGH THURSDAY. && .AVIATION... GENERALLY CLEAR TO MOSTLY CLEAR CONDITIONS THIS AFTERNOON. A COLD FRONT APPROACHES AFTER DARK WHICH WILL BRING CLOUDIER CONDITIONS WITH A CHANCE OF THUNDERSTORMS AND MVFR TO IFR FLYING CONDITIONS. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. &&
Hazardous weather outlook, Sep 22, 4:45 AM EDT, 20 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 445 AM EDT THU SEP 22 2005 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016- 020>023-029>032-WVZ001>004-012-021>023-041-230845- GARRETT-TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON- JEFFERSON OH-MUSKINGUM-GUERNSEY-BELMONT-NOBLE-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- 445 AM EDT THU SEP 22 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL OHIO...NORTHWEST PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA... WESTERN MARYLAND...NORTHERN WEST VIRGINIA...SOUTHWEST PENNSYLVANIA AND NORTHERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. 15
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 23, 6:19 AM EDT | Severe Thunderstorm Warning | PBZ | Coshocton | 30 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2005Every severe thunderstorm warning in 2005
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.