Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 131, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 12, 2014, 3:15 PM EDT for Allegheny County, Washington County, Pennsylvania; Brooke County, Hancock County, West Virginia. It was in force for 30 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 12, 2014, 3:15 PM EDT (19:15 UTC)
- Expired
- Aug 12, 2014, 3:45 PM EDT
- In force
- 30 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
Counties Allegheny County, PA, Washington County, PA, Brooke County, WV, Hancock County, WV
The radar
The Pittsburgh radar (KPBZ), 22 km from the middle of the area, began a volume at 19:17 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, 7.3 hours before the alert went out and 21 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
- 74 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 495 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 146 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 Aug 12, 2:58 PM EDT, 17 minutes earlier.
Area forecast discussion, Aug 12, 2:58 PM EDT, 17 minutes before
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</html>Hazardous weather outlook, Aug 12, 3:27 AM EDT, 11 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 327 AM EDT TUE AUG 12 2014 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029-031-073>076-WVZ001>004-012-021>023-041-130730- 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-GREENE-WESTMORELAND-WESTMORELAND RIDGES- FAYETTE-FAYETTE RIDGES-HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL-MARION- MONONGALIA-PRESTON-TUCKER- 327 AM EDT TUE AUG 12 2014 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. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY WITH THE PRIMARY HAZARD COMING FROM DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. 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. 15
In the hours before
Special weather statement, Aug 12, 12:51 PM EDT, 2 hours 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 1251 PM EDT TUE AUG 12 2014 OHZ039-048-057-058-121730- COSHOCTON OH-GUERNSEY OH-MUSKINGUM OH-TUSCARAWAS OH- 1251 PM EDT TUE AUG 12 2014 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN MUSKINGUM...SOUTH CENTRAL TUSCARAWAS...SOUTHEASTERN COSHOCTON AND WESTERN GUERNSEY COUNTIES... AT 1247 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR ADAMSVILLE... MOVING EAST AT 30 MPH. WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... NORWICH... FERNCLIFF... BRIDGEVILLE... ADAMSVILLE... OTSEGO... NEW CONCORD... BODEN... CAMBRIDGE... KIMBOLTON... BYESVILLE... SALT FORK STATE PARK... OLD WASHINGTON... PLEASE REPORT SIGNIFICANT WEATHER BY POSTING TO THE NWS PITTSBURGH FACEBOOK PAGE OR BY USING TWITTER @NWSPITTSBURGH. LAT...LON 4027 8147 3996 8140 3995 8191 4015 8195 34
Special weather statement, Aug 12, 1:28 PM EDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 128 PM EDT TUE AUG 12 2014 OHZ040-041-121800- CARROLL OH-COLUMBIANA OH- 128 PM EDT TUE AUG 12 2014 ...A STRONG THUNDERSTORM WILL AFFECT CENTRAL CARROLL AND WEST CENTRAL COLUMBIANA COUNTIES... AT 124 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR DELLROY... MOVING NORTHEAST AT 20 MPH. WIND GUSTS TO 50 MPH AND PENNY SIZE HAIL ARE POSSIBLE WITH THIS STORM. HEAVY RAIN WILL POND WATER ON ROADS AND QUICKLY FILL SMALL STREAMS. LOCATIONS IMPACTED INCLUDE... DELLROY... CARROLLTON... AUGUSTA... PLEASE REPORT SIGNIFICANT WEATHER BY POSTING TO THE NWS PITTSBURGH FACEBOOK PAGE OR BY USING TWITTER @NWSPITTSBURGH. LAT...LON 4074 8096 4050 8095 4045 8122 4060 8123 BOOKBINDER
Special weather statement, Aug 12, 1:33 PM EDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 133 PM EDT TUE AUG 12 2014 OHZ039-049-058-121800- GUERNSEY OH-HARRISON OH-TUSCARAWAS OH- 133 PM EDT TUE AUG 12 2014 ...STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN GUERNSEY...SOUTH CENTRAL TUSCARAWAS AND SOUTHWESTERN HARRISON COUNTIES... AT 128 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM BIRMINGHAM TO OLD WASHINGTON...MOVING EAST AT 25 MPH. WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE STORMS. HEAVY RAIN WILL POND WATER ON ROADS AND QUICKLY FILL SMALL STREAMS. LOCATIONS IMPACTED INCLUDE... SALT FORK STATE PARK... OLD WASHINGTON... BIRMINGHAM... LONDONDERRY... FREEPORT... PLEASE REPORT SIGNIFICANT WEATHER BY POSTING TO THE NWS PITTSBURGH FACEBOOK PAGE OR BY USING TWITTER @NWSPITTSBURGH. LAT...LON 4027 8123 3999 8124 3999 8155 4026 8148 BOOKBINDER
Special weather statement, Aug 12, 1:48 PM EDT, 1 hour 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 148 PM EDT TUE AUG 12 2014 OHZ040-041-049-050-121815- CARROLL OH-COLUMBIANA OH-HARRISON OH-JEFFERSON OH- 148 PM EDT TUE AUG 12 2014 ...STRONG THUNDERSTORMS WILL AFFECT EASTERN CARROLL...NORTH CENTRAL HARRISON...NORTHWESTERN JEFFERSON AND SOUTH CENTRAL COLUMBIANA COUNTIES IN EASTERN OHIO... AT 145 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM GUILFORD LAKE STATE PARK TO KILGORE...MOVING EAST AT 20 MPH. DOPPLER RADAR INDICATED THE STRONGEST STORM WAS JUST SOUTHWEST OF MECHANICSTOWN AT 145 PM. WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE STORMS AS THEY MOVE OFF TO THE EAST. HEAVY RAIN WILL POND WATER ON ROADS AND QUICKLY FILL SMALL STREAMS. LOCATIONS IMPACTED INCLUDE... MECHANICSTOWN... KILGORE... MILLPORT... BERGHOLZ... SALINEVILLE... HAMMONDSVILLE... STORM INTENSITY IS INCREASING...AND SEVERE WEATHER MAY DEVELOP RAPIDLY. REMAIN ALERT AND BE PREPARED TO TAKE ACTION IF WARNINGS ARE ISSUED. PLEASE REPORT SIGNIFICANT WEATHER BY POSTING TO THE NWS PITTSBURGH FACEBOOK PAGE OR BY USING TWITTER @NWSPITTSBURGH. LAT...LON 4080 8066 4049 8068 4039 8107 4068 8102 BOOKBINDER
Special weather statement, Aug 12, 2:15 PM EDT, 1 hour before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 215 PM EDT TUE AUG 12 2014 OHZ049-059-121845- BELMONT OH-HARRISON OH- 215 PM EDT TUE AUG 12 2014 ...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN BELMONT AND SOUTHERN HARRISON COUNTIES... AT 212 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR PIEDMONT...MOVING EAST AT 30 MPH. WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... PIEDMONT... FLUSHING... NEW ATHENS... CADIZ... PLEASE REPORT SIGNIFICANT WEATHER BY POSTING TO THE NWS PITTSBURGH FACEBOOK PAGE OR BY USING TWITTER @NWSPITTSBURGH. LAT...LON 4032 8088 4012 8089 4009 8120 4025 8122 BOOKBINDER
Special weather statement, Aug 12, 2:58 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 258 PM EDT TUE AUG 12 2014 OHZ050-PAZ020-029-WVZ001-002-121930- BEAVER PA-BROOKE WV-HANCOCK WV-JEFFERSON OH-WASHINGTON PA- 258 PM EDT TUE AUG 12 2014 ...STRONG THUNDERSTORMS WILL AFFECT BROOKE...EASTERN JEFFERSON... HANCOCK...NORTHWESTERN WASHINGTON AND SOUTHWESTERN BEAVER COUNTIES... AT 253 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM HAMMONDSVILLE SOUTHWARD TO DILLONVALE...MOVING NORTHEAST AT 35 MPH. WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE STORMS AS THEY APPROACH AND CROSS THE OHIO RIVER. HEAVY RAIN WILL POND WATER ON ROADS AND QUICKLY FILL SMALL STREAMS. LOCATIONS IMPACTED INCLUDE... TOMLINSON RUN STATE PARK... NEW MANCHESTER... NEW CUMBERLAND... WINTERSVILLE... SMITHFIELD... JUG RUN... DILLONVALE... TORONTO... WINDSOR HEIGHTS... STEUBENVILLE... WEIRTON... BETHANY... STORM INTENSITY IS INCREASING...AND SEVERE WEATHER MAY DEVELOP RAPIDLY. REMAIN ALERT AND BE PREPARED TO TAKE ACTION IF WARNINGS ARE ISSUED. PLEASE REPORT SIGNIFICANT WEATHER BY POSTING TO THE NWS PITTSBURGH FACEBOOK PAGE OR BY USING TWITTER @NWSPITTSBURGH. LAT...LON 4061 8031 4022 8046 4016 8088 4057 8064 BOOKBINDER
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 2:43 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 32 min |
| Aug 12, 3:25 PM EDT | Special Weather Statement | PBZ | Beaver | 35 min |
| Aug 12, 3:46 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver | 29 min |
| Aug 12, 4:01 PM EDT | Special Weather Statement | PBZ | Allegheny | 44 min |
| Aug 12, 4:06 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 24 min |
| Aug 12, 4:14 PM EDT | Special Weather Statement | PBZ | Allegheny | 31 min |
| Aug 12, 4:18 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 42 min |
| Aug 12, 4:28 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Armstrong, Butler | 92 min |
| Aug 12, 4:36 PM EDT | Special Weather Statement | PBZ | Armstrong | 24 min |
| Aug 12, 4:48 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 42 min |
| Aug 12, 5:06 PM EDT | Special Weather Statement | PBZ | Mercer | 24 min |
| Aug 12, 5:25 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Armstrong, Clarion, Indiana, Jefferson, Westmoreland | 95 min |
| Aug 12, 5:27 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana | 48 min |
| Aug 12, 5:52 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 38 min |
| Aug 12, 6:35 PM EDT | Areal Flood Advisory | PBZ | Indiana, Jefferson | 55 min |
| Aug 11, 8:32 PM EDT | Areal Flood Advisory | PBZ | Coshocton, Muskingum | 3 hr |
| Aug 11, 10:27 PM EDT | Areal Flood Warning | PBZ | Coshocton, Tuscarawas | 10 hr |
| Aug 12, 12:04 PM EDT | Special Weather Statement | PBZ | Muskingum | 41 min |
| Aug 12, 12:51 PM EDT | Special Weather Statement | PBZ | Guernsey | 39 min |
| Aug 12, 1:28 PM EDT | Special Weather Statement | PBZ | Carroll | 32 min |
| Aug 12, 1:33 PM EDT | Special Weather Statement | PBZ | Guernsey | 27 min |
| Aug 12, 1:48 PM EDT | Special Weather Statement | PBZ | Carroll | 27 min |
| Aug 12, 2:11 PM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana, Jefferson | 34 min |
| Aug 12, 2:15 PM EDT | Special Weather Statement | PBZ | Harrison | 30 min |
| Aug 12, 2:58 PM EDT | Special Weather Statement | PBZ | Brooke, Hancock | 32 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2014Severe Thunderstorm Warnings in West Virginia, 2014Every severe thunderstorm warning in 2014
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.