Alert archive / West Virginia / Flash Flood Warnings in 2012
Flash Flood Warning 8, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jul 18, 2012, 5:32 PM EDT for 4 counties in West Virginia; Greene County, Pennsylvania. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 18, 2012, 5:32 PM EDT (21:32 UTC)
- Expired
- Jul 18, 2012, 9:30 PM EDT
- In force
- 4 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Greene County, PA, Marion County, WV, Marshall County, WV, Monongalia County, WV, Wetzel County, WV
The radar
The Pittsburgh radar (KPBZ), 116 km from the middle of the area, began a volume at 21:34 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 12:00Z, 9.5 hours before the alert went out and 107 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
- 1936 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 1073 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
720
WGUS51 KPBZ 182132
FFWPBZ
PAC059-WVC049-051-061-103-190130-
/O.NEW.KPBZ.FF.W.0008.120718T2132Z-120719T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
532 PM EDT WED JUL 18 2012
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN GREENE COUNTY IN SOUTHWEST PENNSYLVANIA...
NORTHWESTERN MONONGALIA COUNTY IN NORTHERN WEST VIRGINIA...
SOUTHERN MARSHALL COUNTY IN NORTHERN WEST VIRGINIA...
WESTERN MARION COUNTY IN NORTHERN WEST VIRGINIA...
WETZEL COUNTY IN NORTHERN WEST VIRGINIA...
* UNTIL 930 PM EDT
* AT 525 PM EDT...VERY HEAVY RAIN CONTINUED OVER PARTS OF THE WARNED
AREA. DOPPLER RADAR INDICATED THAT OVER 2 INCHES OF RAIN HAS ALREADY
OCCURRED. ANOTHER AREA OF HEAVY RAIN WAS LOCATED OVER EAST-CENTRAL
OHIO AND WILL BE MOVING INTO THE WARNED AREA BY ABOUT 615 PM. THE
THUNDERSTORMS WERE MOVING SLOWLY TO THE SOUTHEAST ABOUT 15 MPH.
BE ALERT FOR VERY RAPIDLY RISING WATER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROAD. FLOOD WATER IS USUALLY DEEPER THAN
IT APPEARS...AND ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO
SWEEP VEHICLES OFF THE ROAD. MAKE THE SMART CHOICE...TURN AROUND...
DONT DROWN.
PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE...1-877-633-6772.
LAT...LON 3945 8058 3944 8061 3946 8065 3947 8071
3955 8079 3955 8083 3959 8086 3959 8087
3992 8075 3977 8016 3943 8026 3946 8049
3943 8052 3943 8055
$$2 follow-up statements
169
WGUS71 KPBZ 182241
FFSPBZ
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
641 PM EDT WED JUL 18 2012
PAC059-WVC049-051-061-103-190130-
/O.CON.KPBZ.FF.W.0008.000000T0000Z-120719T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREENE PA-MONONGALIA WV-MARSHALL WV-MARION WV-WETZEL WV-
641 PM EDT WED JUL 18 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR
WETZEL...MARION...MARSHALL...MONONGALIA AND GREENE COUNTIES...
AT 626 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THE
EARLIER THUNDERSTORMS WITH HEAVY RAIN HAVE EXITED SOUTH INTO CENTRAL
WEST VIRGINIA. HOWEVER, BEWARE OF CONTINUED RUNOFF WHICH CAN STILL
CAUSE SMALL STREAMS TO GO OUT OF THEIR BANKS. ALSO, RADAR SHOWED NEW
THUNDERSTORMS WITH HEAVY RAIN OVER EASTERN OHIO WEST STEUBENVILLE,
WHICH WERE MOVING SLOWLY SOUTH. ITS POSSIBLE THESE STORMS CAN BRING
ADDED RAINFALL BEFORE 8 PM.
SOME STREAMS THAT COULD GO OUT OF THEIR BANKS...AND CAUSE FLOODING
OF LOW LYING SPOTS ON ROADS...AND POOR DRAINAGE AREAS...INCLUDE...
IN WETZEL COUNTY WEST VIRGINIA...
INCLUDE FISHING CREEK, RICHWOOD RUN, AND WILEY FORK.
IN MARSHALL COUNTY WEST VIRGINIA...
SPEAKEASY HOLLOW AND HOT HOLLOW.
IN MARION COUNTY AND MONONGAHELA COUNTY WEST VIRGINIA...
DENTS RUNS AND BUFFALO CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROAD. FLOOD WATER IS USUALLY DEEPER THAN
IT APPEARS...AND ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO
SWEEP VEHICLES OFF THE ROAD. MAKE THE SMART CHOICE...TURN
AROUND...DONT DROWN.
PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE...1-877-633-6772.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR WESTERN MARYLAND AND EAST CENTRAL OHIO AND
SOUTHWEST PENNSYLVANIA AND NORTHERN WEST VIRGINIA.
&&
LAT...LON 3945 8058 3944 8061 3946 8065 3947 8071
3955 8079 3955 8083 3959 8086 3959 8087
3992 8075 3977 8016 3943 8026 3946 8049
3943 8052 3943 8055
$$285
WGUS71 KPBZ 190037
FFSPBZ
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
837 PM EDT WED JUL 18 2012
PAC059-WVC049-051-061-103-190130-
/O.CON.KPBZ.FF.W.0008.000000T0000Z-120719T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GREENE PA-MONONGALIA WV-MARSHALL WV-MARION WV-WETZEL WV-
837 PM EDT WED JUL 18 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR
WETZEL...MARION...MARSHALL...MONONGALIA AND GREENE COUNTIES...
AT 830 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED LITTLE
MORE THAN LIGHT SHOWERS AFFECTING THE AREA THE REST OF THE EVENING.
HOWEVER, RUNOFF FROM THE PREVIOUS HEAVY RAIN CAN STILL CAUSE SMALL
STREAMS TO GO OUT OF THEIR BANKS.
SOME STREAMS THAT STILL CAN GO OUT OF THEIR BANKS...AND CAUSE
FLOODING OF LOW LYING SPOTS ON ROADS...AND POOR DRAINAGE
AREAS...INCLUDE...
IN WETZEL COUNTY WEST VIRGINIA...
INCLUDE FISHING CREEK, RICHWOOD RUN, AND WILEY FORK.
IN MARSHALL COUNTY WEST VIRGINIA...
SPEAKEASY HOLLOW AND HOT HOLLOW.
IN MARION COUNTY AND MONONGAHELA COUNTY WEST VIRGINIA...DENTS RUNS
AND BUFFALO CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE EXTRA CAUTIOUS NOW THAT ITS GOTTEN DARK AND HARDER TO RECOGNIZE
THE DANGERS OF FLOODING. IF FLOODING IS OBSERVED...MOVE QUICKLY TO
HIGHER GROUND.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROAD. FLOOD WATER IS USUALLY DEEPER THAN
IT APPEARS...AND ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO
SWEEP VEHICLES OFF THE ROAD. MAKE THE SMART CHOICE...TURN AROUND...
DONT DROWN.
PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE...1-877-633-6772.
&&
LAT...LON 3945 8058 3944 8061 3946 8065 3947 8071
3955 8079 3955 8083 3959 8086 3959 8087
3992 8075 3977 8016 3943 8026 3946 8049
3943 8052 3943 8055
$$The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 12:39 PM EDT | Special Weather Statement | PBZ | Hancock | 36 min |
| Jul 18, 1:00 PM EDT | Severe Thunderstorm Warning | PBZ | Hancock | 60 min |
| Jul 18, 1:48 PM EDT | Areal Flood Advisory | PBZ | Hancock | 6 hr |
| Jul 18, 1:54 PM EDT | Severe Thunderstorm Warning | PBZ | Brooke, Hancock | 66 min |
| Jul 18, 3:22 PM EDT | Severe Thunderstorm Warning | PBZ | Marshall, Ohio | 38 min |
| Jul 18, 3:50 PM EDT | Special Weather Statement | PBZ | Monongalia | 40 min |
| Jul 18, 3:56 PM EDT | Special Weather Statement | PBZ | Marion, Monongalia, Preston, Wetzel | 49 min |
| Jul 18, 4:16 PM EDT | Severe Thunderstorm Warning | PBZ | Marshall, Monongalia, Wetzel | 29 min |
| Jul 18, 4:35 PM EDT | Special Weather Statement | PBZ | Brooke, Hancock | 55 min |
| Jul 18, 4:47 PM EDT | Special Weather Statement | PBZ | Marshall | 43 min |
| Jul 18, 4:49 PM EDT | Areal Flood Advisory | PBZ | Marion, Marshall, Monongalia, Wetzel | 3 hr |
| Jul 18, 5:03 PM EDT | Severe Thunderstorm Warning | PBZ | Marion, Marshall, Monongalia, Wetzel | 57 min |
| Jul 18, 5:09 PM EDT | Severe Thunderstorm Warning | PBZ | Brooke, Ohio | 51 min |
| Jul 18, 7:00 PM EDT | Special Weather Statement | PBZ | Hancock | 30 min |
| Jul 18, 10:19 AM EDT | Special Weather Statement | PBZ | Armstrong, Clarion, Indiana, Jefferson | 56 min |
| Jul 18, 11:56 AM EDT | Special Weather Statement | PBZ | Indiana | 64 min |
| Jul 18, 1:13 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 62 min |
| Jul 18, 1:25 PM EDT | Special Weather Statement | PBZ | Clarion, Jefferson | 65 min |
| Jul 18, 1:42 PM EDT | Special Weather Statement | PBZ | Allegheny | 63 min |
| Jul 18, 2:02 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 58 min |
| Jul 18, 2:10 PM EDT | Special Weather Statement | PBZ | Butler | 50 min |
| Jul 18, 2:21 PM EDT | Areal Flood Advisory | PBZ | Allegheny | 3 hr |
| Jul 18, 2:24 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Westmoreland | 66 min |
| Jul 18, 2:48 PM EDT | Special Weather Statement | PBZ | Fayette | 57 min |
| Jul 18, 2:56 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Fayette, Indiana, Westmoreland | 64 min |
| Jul 18, 3:05 PM EDT | Areal Flood Advisory | PBZ | Fayette | 3 hr |
| Jul 18, 3:39 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 23 min |
| Jul 18, 3:42 PM EDT | Flash Flood Warning | PBZ | Fayette | 2 hr |
| Jul 18, 4:04 PM EDT | Special Weather Statement | PBZ | Lawrence | 56 min |
| Jul 18, 5:41 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 24 min |
| Jul 18, 5:56 PM EDT | Special Weather Statement | PBZ | Greene | 34 min |
Nearby
Flash Flood Warnings in West Virginia, 2012Flash Flood Warnings in Pennsylvania, 2012Every flash flood warning in 2012
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.