Alert archive / West Virginia / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 307, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Aug 29, 2004, 7:30 PM EDT for Marion County, West Virginia. It was in force for 60 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 29, 2004, 7:30 PM EDT (23:30 UTC)
- Expired
- Aug 29, 2004, 8:30 PM EDT
- In force
- 60 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Counties, with a storm outline in the text
County Marion County, WV
The radar
The Pittsburgh radar (KPBZ), 114 km from the middle of the area, began a volume at 23:32 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, 11.5 hours before the alert went out and 101 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
- 311 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 923 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
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 29, 3:15 PM EDT, 4 hours 15 minutes earlier.
Area forecast discussion, Aug 29, 3:15 PM EDT, 4 hours 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 315 PM EDT SUN AUG 29 2004 .AVIATION THUNDERSTORMS DEVELOPING OVER THE MOUNTAINS AND SOUTHERN OHIO. ALL STORMS ARE MOVING NORTHEAST. THEY COULD LEAD TO SOME TEMPORARY MVFR CONDITIONS WHEN THEY GET CLOSE TO AN AIRPORT. THE NEXT WAVE SHOULD BE PUSHING INTO THE AROUND MIDNIGHT. THIS WILL BRING RAINSHOWERS THROUGH MORNING. THE ADDED LOW LEVEL MOISTURE SHOULD PROVIDE PATCHY FOG AROUND SUNRISE. && .SHORT TERM (TONIGHT THROUGH WEDNESDAY)... THE FLOOD WATCH WILL BE EXTENDED UNTIL MONDAY MRNG AS SHRA/TSRA HAVE GOTTEN UNDRWAY WITH THE AFTERNOON HEATING AND ADVN OF WEAK SHRTWV IN SW FLOW. AIRMASS RMNS MOIST AS PER VARIOUS PARAMETERS AND WIND FIELD UNIDIRECTIONAL...SO THREAT OF +RA WARRANTS THE EXTENSION...ESPECIALLY OVER AREAS THAT WERE SOAKED DOWN YESTERDAY. THE CDFNT RMNS WELL TO THE WEST AND IS NOW PROJECTED FOR PASSAGE ON MONDAY. FEW SHRA MAY SURVIVE INTO MON EVE...BUT HAVE PERSISTED WITH THE DRY TREND INTO TUE. && .LONG TERM (WEDNESDAY NIGHT THROUGH SUNDAY)... RIDGE EXPECTED TO REBUILD OVR THE ERN CONUS...SO DRY WEATHER TIL THE WEEKEND. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...FLOOD WATCH FOR ZONE MDZ001 TIL 5 AM MONDAY. OH...FLOOD WATCH FOR ZONES OHZ039>041-048>050-057>059-068-069 TIL 5 AM MONDAY. PA...FLOOD WATCH FOR ZONES PAZ007>009-013>016-020-022-023- 029>032 TIL 5 AM MONDAY. WV...FLOOD WATCH FOR ZONES WVZ001>004-012-021>023-041 TIL 5 AM MONDAY. && AVIATION...66 SHORT TERM...15 LONG TERM...66
Hazardous weather outlook, Aug 29, 5:17 AM EDT, 14 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 517 AM EDT SUN AUG 29 2004 MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021>023-041-300917- ALLEGHENY PA-ARMSTRONG PA-BEAVER PA-BELMONT OH-BROOKE WV-BUTLER PA- CARROLL OH-CLARION PA-COLUMBIANA OH-COSHOCTON OH-FAYETTE PA- FOREST PA-GARRETT MD-GREENE PA-GUERNSEY OH-HANCOCK WV-HARRISON OH- INDIANA PA-JEFFERSON PA-JEFFERSON OH-LAWRENCE PA-MARION WV- MARSHALL WV-MERCER PA-MONONGALIA WV-MONROE OH-MUSKINGUM OH-NOBLE OH- OHIO WV-PRESTON WV-TUCKER WV-TUSCARAWAS OH-VENANGO PA-WASHINGTON PA- WESTMORELAND PA-WETZEL WV- 517 AM EDT SUN AUG 29 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN PENNSYLVANIA EAST CENTRAL OHIO...NORTHERN WEST VIRGINIA AND GARRETT COUNTY MARYLAND. .DAY ONE...TODAY A FLOOD WATCH IS IN EFFECT UNTIL 4 PM THIS AFTERNOON. WARM AND VERY HUMID AIRMASS REMAINS OVER OUR AREA. THUNDERSTORMS WITH HEAVY DOWNPOURS WILL BE COMMON TODAY. BE ALERT FOR RISING WATER AND NEVER DRIVE THROUGH FLOODED ROADS. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED.
In the hours before
Special weather statement, Aug 29, 3:14 PM EDT, 4 hours 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 314 PM EDT SUN AUG 29 2004 MDZ001-292006- GARRETT MD- 314 PM EDT SUN AUG 29 2004 ...THUNDERSTORMS WITH HEAVY RAIN OVER SOUTHEAST GARRETT COUNTY... THUNDERSTORMS WERE MOVING SLOWLY ALONG THE GARRETT AND ALLEGANY BORDER. RADAR ESTIMATED RAINFALL WAS FROM NEAR THREE QUARTERS TO ONE INCH OF RAIN FROM BIG RUN STATE PARK TO MERRILL AND POINTS EAST TO THE COUNTY LINE. MORE STORMS WILL CONTINUE TO MOVE NORTHEAST ALONG THE COUNTY BORDER. LOOK FOR OCCASIONAL LIGHTNING, BRIEF GUSTY WINDS, AND VERY HEAVY RAIN. BE ALERT FOR RAPID RUNOFF AND WATER COLLECTING IN LOW LYING AREAS.
Local storm report, Aug 29, 5:01 PM EDT, 2 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
501 PM EDT SUN AUG 29 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
1033 PM FLOOD LISBON 40.78N 80.77W
08/28/2004 COLUMBIANA OH COUNTY EOC
FLOODING CONTINUES ON NUMEROUS ROADS.
0346 AM FLOOD LISBON 40.78N 80.77W
08/29/2004 COLUMBIANA OH COUNTY EOC
FLOODING CONTINUES ON NUMEROUS ROADS, IN LISBON, AND
OTHER AREAS THROUGHOUT THE COUNTY.
0449 PM FLOOD LISBON 40.78N 80.77W
08/29/2004 COLUMBIANA OH COUNTY EOC
16 ROADS REMAIN CLOSED BY FLOODING NEAR LISBON, ELKTON,
AND WINONA...AND IN THE WESTERN PART OF COLUMBIANA CO. A
FEW ROADS HAVE RE-OPENED.
&&Special weather statement, Aug 29, 5:46 PM EDT, 1 hour 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 546 PM EDT SUN AUG 29 2004 WVZ012-292242- WETZEL WV- 546 PM EDT SUN AUG 29 2004 A THUNDERSTORM WITH VERY HEAVY RAIN WILL MOVE INTO WETZEL COUNTY, WEST VIRGINIA NEAR VINCEN BY 610 PM. OTHER COMMUNITIES AFFECTED INCLUDE PINEY, PINE GROVE, AND READER. BE ON THE LOOKOUT FOR VERY HEAVY RAIN OF UP TO AN INCH, FREQUENT LIGHTNING, AND WIND GUSTS TO NEAR 30 MPH.
Special weather statement, Aug 29, 6:32 PM EDT, 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 632 PM EDT SUN AUG 29 2004 MDZ001-OHZ049-050-059-069-PAZ029-031-032-WVZ002>004-012-021>023-041- 292325- BELMONT OH-BROOKE WV-FAYETTE PA-GARRETT MD-GREENE PA-HARRISON OH- JEFFERSON OH-MARION WV-MARSHALL WV-MONONGALIA WV-MONROE OH-OHIO WV- PRESTON WV-TUCKER WV-WASHINGTON PA-WETZEL WV- 632 PM EDT SUN AUG 29 2004 ...SCATTERED THUNDERSTORMS WERE MOVING ACROSS THE REGION... SCATTERED THUNDERSTORMS WERE MOVING TO THE NORTHEAST ABOUT 25 MPH ACROSS PARTS OF EAST-CENTRAL OHIO, AND NORTHERN WEST VIRGINIA. THE STORMS WITH THE HEAVIEST RAIN WERE IN MONROE COUNTY, OHIO, WETZEL COUNTY, WEST VIRGINIA, AND TUCKER COUNTY, WEST VIRGINIA. BE ALERT FOR A PERIOD OF VERY HEAVY RAIN OF UP TO ONE INCH. THERE WILL ALSO BE FREQUENT, DANGEROUS LIGHTNING, AND WIND GUSTS TO NEAR 30 MPH.
Special weather statement, Aug 29, 7:01 PM EDT, 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 701 PM EDT SUN AUG 29 2004 WVZ023-292355- PRESTON WV- 701 PM EDT SUN AUG 29 2004 ...STRONG THUNDERSTORM READY TO MOVE INTO PRESTON COUNTY WEST VIRGINIA... A STRONG THUNDERSTORM WILL MOVE ACROSS THE PRESTON COUNTY LINE NEAR SCOTCH HILL AND EVANSVILLE. THE STORM WAS MOVING THE NORTHEAST ABOUT 20 MPH. THE STORM WILL PRODUCE VERY HEAVY RAINFALL OF UP TO AN INCH, FREQUENT DANGEROUS LIGHTNING, WIND GUSTS TO NEAR 35 MPH AND SMALL HAIL. WATER WILL COLLECT RAPIDLY ON ROADS AND LOW LYING AREAS.
Special weather statement, Aug 29, 7:20 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 720 PM EDT SUN AUG 29 2004 PAZ021-029-031-300015- ALLEGHENY PA-GREENE PA-WASHINGTON PA- 720 PM EDT SUN AUG 29 2004 ...SCATTERED THUNDERSTORMS WITH HEAVY RAIN WERE OVER PARTS OF WASHINGTON AND GREENE COUNTIES... THUNDERSTORMS PRODUCING RAINFALL RATES UP TO AN INCH AND A HALF AN HOUR WERE MOVING ACROSS PARTS OF WASHINGTON COUNTY NEAR THE TOWNS OF BUFFALO AND RURAL VALLEY. MORE SCATTERED STORMS WERE OVER GREENE COUNTY NEAR MAJORSVILLE. THE STORMS WERE MOVING TO THE NORTHEAST ABOUT 25 MPH. THEY COULD CROSS INTO ALLEGHENY COUNTY AROUND BRIDGEVILLE BY 745 PM AND THEN SPREAD NORTHEAST. BE ALERT FOR VERY HEAVY RAIN, FREQUENT, DANGEROUS LIGHTNING AND WIND GUSTS TO NEAR 30 MPH.
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 8:25 PM EDT | Severe Thunderstorm Warning | PBZ | Guernsey | 65 min |
| Aug 28, 8:55 PM EDT | Flash Flood Warning | PBZ | Coshocton | 2 hr |
Nearby
Severe Thunderstorm Warnings in West Virginia, 2004Every severe thunderstorm warning in 2004
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.