Alert archive / West Virginia / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 36, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 9, 2009, 3:05 PM EDT for Preston County, West Virginia. It was in force for 28 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
- Jun 9, 2009, 3:05 PM EDT (19:05 UTC)
- Expired
- Jun 9, 2009, 3:33 PM EDT
- In force
- 28 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
County Preston County, WV
The radar
The Pittsburgh radar (KPBZ), 127 km from the middle of the area, began a volume at 19:05 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 9, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 7.1 hours before the alert went out and 111 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
- 1491 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 715 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.7
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 Jun 9, 2:38 PM EDT, 27 minutes earlier.
Area forecast discussion, Jun 9, 2:38 PM EDT, 27 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 238 PM EDT TUE JUN 9 2009 .SYNOPSIS... A LOW PRESSURE SYSTEM MOVING THROUGH THE UPPER OHIO VALLEY CAN CAUSE THUNDERSTORMS THROUGH EARLY EVENING. A SECOND LOW PRESSURE SYSTEM COMING FROM OKLAHOMA CAN BRING ADDITIONAL THUNDERSTORMS LATE WEDNESDAY INTO THURSDAY. GREAT LAKES HIGH PRESSURE WILL PROVIDE DRYING FRIDAY AND COMFORTABLE CONDITIONS FOR THE COMING WEEKEND. && .NEAR TERM /THROUGH TONIGHT/... BLEND OF RECENT RADAR AND SURFACE DATA SHOW A LINE OF POTENTIALLY SEVERE THUNDERSTORMS ACCOMPANIED BY RAINFALL AMOUNTS POSSIBLY HEAVY ENOUGH TO CAUSE FLASH FLOODING MOVING THROUGH NORTHERN WEST VIRGINIA AND EXTREME WESTERN MARYLAND. A SEVERE THUNDERSTORM WATCH AND FLASH FLOOD WATCH HAVE BEEN ISSUED FOR THESE COUNTIES. THUNDERSTORMS SHOULD DISSIPATE BY MIDNIGHT. PATCHY FOG CAN FORM LATE TONIGHT. FORECASTED TEMPERATURES WERE CLOSE TO BLEND OF RECENT GFS MOS AND NAM MOS VALUES. && .SHORT TERM /WEDNESDAY THROUGH FRIDAY/... BLEND OF RECENT SREF MODEL RUNS SHOW NEXT BOUT OF THUNDERSTORMS FOR THE UPPER OHIO VALLEY TO LIKELY COME WITH NEXT LOW PRESSURE SYSTEM ARRIVING FROM OKLAHOMA LATE WEDNESDAY AFTERNOON INTO THURSDAY. HUMID SURFACE LAYER WILL MAINTAIN SUFFICIENT INSTABILITY FOR THUNDERSTORMS AND SHEAR MAY BE INCREASED ENOUGH TO WARRANT A SLIGHT RISK OF SEVERE THUNDERSTORMS THEN. && .LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/... MEDIUM RANGE MODELS STILL NOT SHOWING GOOD RUN TO RUN CONTINUITY...BUT ARE IN A BIT BETTER AGREEMENT WITH WEST TO NORTHWEST FLOW ALOFT THROUGH MUCH OF THE LONG TERM...WITH MOST SIGNIFICANT FORCING HELD WELL TO THE SOUTH. WITH THIS IN MIND...WILL KEEP MAINLY DRY CONDITIONS FOR THE WEEKEND THROUGH EARLY NEXT WEEK. NEAR NORMAL TEMPERATURES WILL PREVAIL. && .AVIATION /19Z TUESDAY THROUGH SUNDAY/... SCATTERED SHWRS/TSTMS WILL CONTINUE TO DEVELOP THIS AFTN TO THE SOUTH OF A COLD FRONT. MGW WILL HAVE THE HIGHEST LIKELIHOOD FOR A STRONG TS TM...WITH LITTLE/NO TSTMS NORTH OF PIT. LOW END VFR CEILINGS WILL PREVAIL THIS AFTN...WITH MVFR CONDITIONS IN THE HEAVIER SHWRS/STRONGER TSTMS. AFTER A BRIEF PERIOD OF MAINLY CIRRUS LATE THIS EVENING...AREAS OF FOG/LOWER CIGS MAY DEVELOP OVERNIGHT. WILL USE MVFR IN PATCHY FOG FOR NOW...BUT CEILINGS MAY HAVE TO BE LOWERED TO LOCAL IFR...ESPECIALLY SOUTH WHERE RESIDUAL MOISTURE FROM THIS AFTNS SHWRS OCCUR. LOW PRESSURE WILL MOVE ALONG THE SLOW MOVING FRONTAL BOUNDARY PERIODICALLY WEDNESDAY/THURSDAY...PRODUCING SHWRS/TSTMS AND LOCAL RESTRICTIONS. HIGH PRESSURE IS FORECAST TO BUILD ACROSS THE REGION BY THE BEGINNING OF THE WEEKEND WITH A RETURN OF VFR CONDITIONS AREA WIDE. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...FLASH FLOOD WATCH UNTIL 6 PM EDT THIS EVENING FOR MDZ001. OH...NONE. PA...NONE. WV...FLASH FLOOD WATCH UNTIL 6 PM EDT THIS EVENING FOR WVZ023-041. &&
Hazardous weather outlook, Jun 9, 2:39 PM EDT, 26 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PITTSBURGH PA 239 PM EDT TUE JUN 9 2009 OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023- 029>032-WVZ001>004-012-021-022-101845- 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-WESTMORELAND-GREENE-FAYETTE-HANCOCK-BROOKE-OHIO- MARSHALL-WETZEL-MARION-MONONGALIA- 239 PM EDT TUE JUN 9 2009 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...THIS AFTERNOON AND TONIGHT. SLIGHT RISK FOR SEVERE THUNDERSTORMS THROUGH THIS EVENING. MAIN THREATS ARE DAMAGING WINDS AND LARGE HAIL. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. SLIGHT RISK FOR SEVERE THUNDERSTORMS WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT. MAIN THREATS ARE DAMAGING WINDS AND LARGE HAIL. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MDZ001-WVZ023-041-101845- GARRETT-PRESTON-TUCKER- 239 PM EDT TUE JUN 9 2009 ...FLASH FLOOD WATCH IN EFFECT UNTIL 6 PM EDT THIS EVENING... ...SEVERE THUNDERSTORM WATCH 356 IN EFFECT UNTIL 9 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN MARYLAND AND NORTHERN WEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. SLIGHT RISK FOR SEVERE THUNDERSTORMS WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT. MAIN THREATS ARE DAMAGING WINDS AND LARGE HAIL. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
In the hours before
Local storm report, Jun 9, 2:24 PM EDT, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
224 PM EDT TUE JUN 09 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0127 PM HAIL REEDSVILLE 39.51N 79.80W
06/09/2009 M0.50 INCH PRESTON WV PUBLIC
&&Local storm report, Jun 9, 2:37 PM EDT, 28 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
237 PM EDT TUE JUN 09 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0237 PM HAIL WEST MIFFLIN 40.36N 79.91W
06/09/2009 E0.50 INCH ALLEGHENY PA PUBLIC
&&Local storm report, Jun 9, 2:39 PM EDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
239 PM EDT TUE JUN 09 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0239 PM HAIL MCKEESPORT 40.34N 79.84W
06/09/2009 E0.25 INCH ALLEGHENY PA PUBLIC
&&Special weather statement, Jun 9, 2:39 PM EDT, 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 239 PM EDT TUE JUN 9 2009 WVZ012-021>023-091945- MARION WV-MONONGALIA WV-PRESTON WV-WETZEL WV- 239 PM EDT TUE JUN 9 2009 ...THUNDERSTORMS... THUNDERSTORMS TO MOVE THROUGH THE FOLLOWING COUNTIES... MARION...WETZEL...PRESTON AND MONONGALIA... AT 238 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR IN PITTSBURGH INDICATED STRONG THUNDERSTORMS 4 MILES SOUTHEAST OF WADESTOWN...MOVING EAST AT 20 MPH. THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL...IN ADDITION TO WIND GUSTS OF 40 MPH. SOME LOCATIONS THAT WILL BE IMPACTED BY THESE STORMS INCLUDE... WADESTOWN... METZ... MANNINGTON... DAYBROOK... FARMINGTON... MCCURDYVILLE... GRANT TOWN... BARRACKVILLE... FAIRMONT... RIVESVILLE... CASSVILLE... EVERETTVILLE... KEEP AN EYE TO THE SKY AND MOVE TO A SAFE PLACE IF THUNDERSTORMS APPROACH. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772. PRECAUTIONARY/PREPAREDNESS ACTIONS... $$ A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT TUESDAY EVENING FOR WESTERN MARYLAND AND NORTHERN WEST VIRGINIA. &&
Local storm report, Jun 9, 2:55 PM EDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
255 PM EDT TUE JUN 09 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0251 PM HAIL IRWIN 40.32N 79.70W
06/09/2009 E0.88 INCH WESTMORELAND PA PUBLIC
&&
RKANELocal storm report, Jun 9, 3:03 PM EDT, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
303 PM EDT TUE JUN 09 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0255 PM HAIL OAKLAND 39.41N 79.41W
06/09/2009 E1.00 INCH GARRETT MD TRAINED SPOTTER
&&
RKANEThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 2:26 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 64 min |
| Jun 9, 3:22 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 38 min |
| Jun 9, 6:48 PM EDT | Severe Thunderstorm Warning | PBZ | Muskingum | 43 min |
| Jun 9, 1:14 PM EDT | Severe Thunderstorm Warning | PBZ | Preston | 61 min |
| Jun 9, 2:03 PM EDT | Severe Thunderstorm Warning | PBZ | Preston | 57 min |
| Jun 9, 2:29 PM EDT | Flash Flood Watch | PBZ | 3 hr | |
| Jun 9, 3:35 PM EDT | Severe Thunderstorm Warning | PBZ | Marion, Wetzel | 25 min |
| Jun 9, 3:59 PM EDT | Severe Thunderstorm Warning | PBZ | Marion, Wetzel | 31 min |
Nearby
Severe Thunderstorm Warnings in West Virginia, 2009Every severe thunderstorm warning in 2009
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.