Alert archive / West Virginia / Flood Watches in 2011
Flood Watch 5, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flood watch at Apr 19, 2011, 10:23 AM EDT for Fayette County, Greene County, Washington County, Pennsylvania; 4 counties in West Virginia. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Apr 19, 2011, 10:23 AM EDT (14:23 UTC)
- Expired
- Apr 19, 2011, 3:29 PM EDT
- In force
- 5 hr
- Issued by
- NWS Pittsburgh, PA
- Flood severity
- None
Counties Fayette County, PA, Greene County, PA, Washington County, PA, Marion County, WV, Marshall County, WV, Ohio County, WV, Wetzel County, WV
The radar
The Pittsburgh radar (KPBZ), 75 km from the middle of the area, began a volume at 14:25 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, 2.4 hours before the alert went out and 64 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 470 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 361 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flood watch 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 flood watch went out at Apr 19, 9:03 AM EDT, 1 hour 20 minutes earlier.
Area forecast discussion, Apr 19, 9:03 AM EDT, 1 hour 20 minutes before
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</html>Hazardous weather outlook, Apr 19, 3:49 AM EDT, 6 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 349 AM EDT TUE APR 19 2011 OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>015-020>022-029- 031-WVZ001>004-012-200800- TUSCARAWAS-CARROLL-COLUMBIANA-COSHOCTON-HARRISON-JEFFERSON OH- MUSKINGUM-GUERNSEY-BELMONT-NOBLE-MONROE-MERCER-VENANGO-FOREST- LAWRENCE-BUTLER-CLARION-BEAVER-ALLEGHENY-ARMSTRONG-WASHINGTON-GREENE- HANCOCK-BROOKE-OHIO-MARSHALL-WETZEL- 349 AM EDT TUE APR 19 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR 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 LATER TONIGHT AS A STRONG COLD FRONT MOVES INTO THE REGION. LARGE HAIL AND DAMAGING WINDS ARE THE PRIMARY RISK. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS WEDNESDAY. LARGE HAIL AND DAMAGING WINDS ARE THE PRIMARY RISK. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MDZ001-PAZ016-023-073>076-WVZ021>023-041-200800- GARRETT-JEFFERSON PA-INDIANA-WESTMORELAND-WESTMORELAND RIDGES- FAYETTE-FAYETTE RIDGES-MARION-MONONGALIA-PRESTON-TUCKER- 349 AM EDT TUE APR 19 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND...SOUTHWEST PENNSYLVANIA...WEST CENTRAL PENNSYLVANIA AND NORTHERN WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS WEDNESDAY. LARGE HAIL AND DAMAGING WINDS ARE THE PRIMARY RISK. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
In the hours before
Special weather statement, Apr 19, 9:29 AM EDT, 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
929 AM EDT TUE APR 19 2011
MDZ001-WVZ022-023-041-191430-
GARRETT MD-MONONGALIA WV-PRESTON WV-TUCKER WV-
929 AM EDT TUE APR 19 2011
...THUNDERSTORMS WITH GUSTY WINDS HAIL AND HEAVY RAIN...
THUNDERSTORMS WITH GUSTY WINDS HAIL AND HEAVY RAIN TO MOVE THROUGH
THE FOLLOWING COUNTIES...
GARRETT...TUCKER...PRESTON AND MONONGALIA...
AT 922 AM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH
SHOWED THUNDERSTORMS WITH GUSTY WINDS HAIL AND HEAVY RAIN ALONG A
LINE EXTENDING FROM 3 MILES WEST OF NEWBURG TO 22 MILES WEST OF
PLEASANT RUN...MOVING EAST AT 60 MPH.
THESE THUNDERSTORMS CAN PRODUCE WIND GUSTS OVER 40 MPH...HAIL...AND
HEAVY RAIN. THE RAIN CAN BE HEAVY ENOUGH TO CAUSE PONDED WATER ON
ROADS AND IN LOW LYING AREAS. VISIBILITY CAN BE REDUCED. THERE CAN
ALSO BE A SHORT PERIOD OF FREQUENT CLOUD TO GROUND LIGHTNING.
SOME LOCATIONS THAT WILL BE IMPACTED BY THESE THUNDERSTORMS
INCLUDE...
NEWBURG... GLADESVILLE... FELLOWSVILLE...
TUNNELTON... KINGWOOD... ROWLESBURG...
HANNAHSVILLE... SAINT GEORGE... TERRA ALTA...
PLEASANT RUN... PARSONS... DAVISVILLE...
WHEN THUNDERSTORMS THREATEN...ITS SAFEST TO GO INDOORS OR AT LEAST
TO TAKE SHELTER IN A STURDY STRUCTURE.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
PLEASE REPORT WIND HAIL HEAVY RAIN AND FLOODING PROBLEMS TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND CREEKS MAY ALSO
RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.
&&
LAT...LON 3897 7952 3904 7979 3909 7979 3913 7985
3922 7982 3930 7992 3946 7992 3957 7901
3947 7906 3942 7912 3934 7926 3929 7930
3929 7935 3920 7947 3919 7947 3922 7935
3920 7929 3910 7934 3906 7929 3896 7935The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 10:04 PM EDT | Special Weather Statement | PBZ | Butler | 26 min |
| Apr 18, 10:28 PM EDT | Special Weather Statement | PBZ | Clarion | 32 min |
| Apr 19, 3:29 PM EDT | Flash Flood Watch | PBZ | Fayette, Greene, Washington | 3 hr |
| Apr 19, 4:10 PM EDT | Special Weather Statement | PBZ | Greene | 50 min |
| Apr 19, 4:13 PM EDT | River Flood Advisory | PBZ | Allegheny | 11 days |
| Apr 19, 4:36 PM EDT | Special Weather Statement | PBZ | Fayette, Greene | 54 min |
| Apr 19, 7:15 PM EDT | Special Weather Statement | PBZ | Armstrong, Butler, Clarion | 45 min |
| Apr 19, 10:03 AM EDT | Areal Flood Warning | PBZ | Belmont, Guernsey, Monroe, Muskingum, Noble | 9 hr |
| Apr 19, 2:26 PM EDT | Special Weather Statement | PBZ | Carroll, Coshocton, Guernsey, Harrison, Muskingum, Tuscarawas | 109 min |
| Apr 19, 3:05 PM EDT | Special Weather Statement | PBZ | Noble | 25 min |
| Apr 19, 7:01 PM EDT | Areal Flood Warning | PBZ | Belmont, Guernsey, Monroe, Muskingum, Noble | 3 hr |
| Apr 19, 9:29 AM EDT | Special Weather Statement | PBZ | Preston, Tucker | 61 min |
| Apr 19, 10:49 AM EDT | Areal Flood Warning | PBZ | Preston | 9 hr |
| Apr 19, 11:32 AM EDT | Areal Flood Warning | PBZ | Marion, Monongalia | 4 hr |
| Apr 19, 5:11 PM EDT | Areal Flood Warning | PBZ | Monongalia | 6 hr |
| Apr 19, 5:18 PM EDT | Special Weather Statement | PBZ | Preston | 57 min |
| Apr 19, 5:51 PM EDT | Areal Flood Warning | PBZ | Marshall | 3 hr |
Nearby
Flood Watches in West Virginia, 2011Flood Watches in Pennsylvania, 2011Every flood watch in 2011
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.