Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 219, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 28, 2013, 3:46 PM EDT for Fayette County, Pennsylvania. It was in force for 44 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
- Aug 28, 2013, 3:46 PM EDT (19:46 UTC)
- Expired
- Aug 28, 2013, 4:30 PM EDT
- In force
- 44 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
County Fayette County, PA
The radar
The Pittsburgh radar (KPBZ), 84 km from the middle of the area, began a volume at 19:49 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 (KAGC), launched 12:00Z, 7.8 hours before the alert went out and 67 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
- 897 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 548 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.2
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 Aug 28, 1:59 PM EDT, 1 hour 47 minutes earlier.
Area forecast discussion, Aug 28, 1:59 PM EDT, 1 hour 47 minutes before
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</html>Hazardous weather outlook, Aug 28, 10:10 AM EDT, 5 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 1010 AM EDT WED AUG 28 2013 OHZ039>041-048>050-057>059-068-069-WVZ001>004-012-291415- TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH- MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-HANCOCK-BROOKE-OHIO-MARSHALL- WETZEL- 1010 AM EDT WED AUG 28 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL OHIO...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...THURSDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MDZ001-PAZ074-076-WVZ023-041-291415- GARRETT-WESTMORELAND RIDGES-FAYETTE RIDGES-PRESTON-TUCKER- 1010 AM EDT WED AUG 28 2013 ...FLASH FLOOD WATCH IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...SOUTHWEST PENNSYLVANIA AND NORTHERN WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. PAZ007>009-013>016-020>023-029-031-073-075-WVZ021-022-291415- MERCER-VENANGO-FOREST-LAWRENCE-BUTLER-CLARION-JEFFERSON PA-BEAVER- ALLEGHENY-ARMSTRONG-INDIANA-WASHINGTON-GREENE-WESTMORELAND-FAYETTE- MARION-MONONGALIA- 1010 AM EDT WED AUG 28 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST PENNSYLVANIA...SOUTHWEST PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA AND NORTHERN WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. RAINFALL IN SHOWERS AND THUNDERSTORMS MAY BE HEAVY ENOUGH TO CAUSE LOCALIZED FLOODING INTO THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. 34
In the hours before
Local storm report, Aug 28, 12:34 PM EDT, 3 hours 12 minutes before
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</html>Special weather statement, Aug 28, 1:28 PM EDT, 2 hours 18 minutes before
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</html>Local storm report, Aug 28, 1:36 PM EDT, 2 hours 10 minutes before
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</html>Local storm report, Aug 28, 1:38 PM EDT, 2 hours 8 minutes before
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</html>Local storm report, Aug 28, 1:47 PM EDT, 1 hour 59 minutes before
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</html>Special weather statement, Aug 28, 2:34 PM EDT, 1 hour 12 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 |
|---|---|---|---|---|
| Aug 28, 3:49 AM EDT | Areal Flood Advisory | PBZ | Allegheny, Beaver, Butler, Fayette, Westmoreland | 6 hr |
| Aug 28, 10:00 AM EDT | Flash Flood Watch | PBZ | Fayette, Westmoreland | 10 hr |
| Aug 28, 11:01 AM EDT | Special Weather Statement | PBZ | Westmoreland | 59 min |
| Aug 28, 11:23 AM EDT | Areal Flood Advisory | PBZ | Venango | 4 hr |
| Aug 28, 11:53 AM EDT | Areal Flood Advisory | PBZ | Indiana, Westmoreland | 3 hr |
| Aug 28, 12:00 PM EDT | Areal Flood Warning | PBZ | Venango | 4 hr |
| Aug 28, 12:17 PM EDT | Areal Flood Warning | PBZ | Indiana, Westmoreland | 7 hr |
| Aug 28, 1:28 PM EDT | Special Weather Statement | PBZ | Armstrong | 62 min |
| Aug 28, 1:37 PM EDT | Areal Flood Warning | PBZ | Armstrong, Westmoreland | 6 hr |
| Aug 28, 2:33 PM EDT | Areal Flood Warning | PBZ | Westmoreland | 6 hr |
| Aug 28, 2:34 PM EDT | Special Weather Statement | PBZ | Westmoreland | 56 min |
| Aug 28, 3:26 PM EDT | Areal Flood Advisory | PBZ | Fayette, Westmoreland | 3 hr |
| Aug 28, 3:37 PM EDT | Areal Flood Warning | PBZ | Fayette, Westmoreland | 4 hr |
| Aug 28, 3:42 PM EDT | Areal Flood Warning | PBZ | Armstrong, Butler, Clarion, Venango | 3 hr |
| Aug 28, 10:45 AM EDT | Areal Flood Advisory | PBZ | Preston | 4 hr |
| Aug 28, 5:02 PM EDT | Areal Flood Warning | PBZ | Preston | 4 hr |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2013Every severe thunderstorm warning in 2013
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.