Alert archive / Ohio / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 129, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 12, 2014, 2:11 PM EDT for Carroll County, Columbiana County, Jefferson County, Ohio; Hancock County, West Virginia. It was in force for 34 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, 2:11 PM EDT (18:11 UTC)
- Expired
- Aug 12, 2014, 2:45 PM EDT
- In force
- 34 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
Counties Carroll County, OH, Columbiana County, OH, Jefferson County, OH, Hancock County, WV
The radar
The Pittsburgh radar (KPBZ), 49 km from the middle of the area, began a volume at 18:12 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, 6.2 hours before the alert went out and 62 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, 11:01 AM EDT, 3 hours 10 minutes earlier.
Area forecast discussion, Aug 12, 11:01 AM EDT, 3 hours 10 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 1101 AM EDT TUE AUG 12 2014 .SYNOPSIS... A COLD FRONT WILL SPAWN MORE SHOWERS AND THUNDERSTORMS TODAY. SEASONABLY COOL TEMPERATURES ARE EXPECTED FOR THE REMAINDER OF THE WEEK. && .NEAR TERM /THROUGH TONIGHT/... DRY SLOT AS INDICATED ON SATELLITE IS HELPING TO SCATTER OUT THE CLOUD DECK OVER MOST OF OHIO IN ADVANCE OF THE COLD FRONT THIS MORNING. THIS SHOULD HELP TO DESTABILIZE THE REGION...AS IS ALREADY THE CASE OVER CENTRAL OHIO PER THE LATEST MESOANALYSIS. IN ADDITION...A SHORTWAVE OUT AHEAD OF THE FRONT HAS ALREADY SPARKED SOME SHOWERS AND THUNDERSTORMS. EXPECT COVERAGE TO INCREASE THROUGH THE AFTERNOON...AS DEEP SHEAR INCREASES TO NEAR 35-40KTS ACROSS THE AREA. THIS SHOULD SUPPORT STRONG TO SEVERE STORMS...ESPECIALLY WHERE WE REMAIN CLOUD FREE LONGEST...PROVIDING FOR MORE INSTABILITY. THE STORM PREDICTION CENTER HAS FORECASTED A SLIGHT SEVERE RISK FOR TODAY...MENTION OF WHICH WILL BE MAINTAINED IN THE HAZARDOUS WEATHER OUTLOOK WITH A PRIMARY THREAT OF DAMAGING WIND GUSTS. TEMPERATURES WILL BE HIGHLY DEPENDENT ON THE AMOUNT OF SUN BREAKS THROUGH THE CLOUDS...BUT GENERALLY WENT WITH MID 70'S ACROSS THE ENTIRE AREA. BASED ON THE LATEST HI RES MODEL DATA....THE COLD FRONT AND MOST OF THE PRECIPITATION SHOULD BE EAST OF THE APPALACHIANS BY MIDNIGHT TONIGHT. && .SHORT TERM /WEDNESDAY THROUGH FRIDAY/... UPR TROF SHOULD MAINTAIN CLD COVER AND SHWR CHCS THROUGH WEDNESDAY WITH LOW CONVECTIVE THRESHOLDS IN COLD NORTHWEST FLOW. INCRSG SBSDNC AND DRY ADVCNT WL IMPROVE CONDITIONS THEREAFTER...ALTHOUGH LOW CONVECTIVE TEMPS SHOULD SPPRT STRATOCU PARTICULARLY ON THURSDAY. && .LONG TERM /FRIDAY NIGHT THROUGH MONDAY/... GENLY DRY WEA IS EXPD THRU THE LONG TERM AS SFC HIGH PRES BLDS ACRS THE GT LKS AND UPR OH VLY RGN AS AN UPR TROF EXITS THE E COAST. PREFERRED THE DRIER ECMWF AND ENSEMBLE SOLN OVER THE GFS. TEMPS SHOULD GRDLY WRM TO ABV SEASONAL LVLS BY LT IN THE PD. && .AVIATION /15Z TUESDAY THROUGH SATURDAY/... WDSPRD MVFR WITH OCNL IFR CONDS ARE EXPD AS GT LKS LOW PRES CONTS TO BRING SHWRS AND SC/ST TO THE RGN. A GRDL IMPROVEMENT IS EXPD LTR THIS MRNG...BEFORE THE LOW/S ASSOCIATED CDFNT ADVNS ACRS THE AREA THIS AFTN. TSTM CHCS WL INCR AHD OF THE CDFNT AND INCLUDED A VCTS MENTION IN THE TAFS UNTIL TIMING/COVG DETAILS BCM MORE CLEAR. OUTLOOK.../WEDNESDAY THROUGH SATURDAY/... A DISTURBANCE WL BRING PSBL RSTRNS INTO WED. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. &&
Hazardous weather outlook, Aug 12, 3:27 AM EDT, 10 hours 44 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, 12:04 PM EDT, 2 hours 7 minutes before
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</html>Local storm report, Aug 12, 12:11 PM EDT, 2 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1211 PM EDT TUE AUG 12 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0957 PM FLOOD 2 NNE PEARL 40.40N 81.71W
08/11/2014 COSHOCTON OH EMERGENCY MNGR
FLOODING REPORTED NEAR INTERSECTION OF COUNTY ROAD 43
AND STATE ROUTE 93.
&&
EVENT NUMBER PBZ1401790Special weather statement, Aug 12, 12:51 PM EDT, 1 hour 20 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, 43 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, 38 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, 23 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
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, 3:15 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 30 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, 2:15 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 Ohio, 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.