Alert archive / West Virginia / Tornado Warnings in 2009

Tornado Warning 13, NWS Pittsburgh, PA

October 9, 2009Marion County, Monongalia County, Preston County, West Virginia

NWS Pittsburgh, PA issued this tornado warning at Oct 9, 2009, 5:32 PM EDT for Marion County, Monongalia County, Preston County, West Virginia. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 9, 2009, 5:32 PM EDT (21:32 UTC)
Expired
Oct 9, 2009, 5:59 PM EDT
In force
27 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon

Counties Marion County, WV, Monongalia County, WV, Preston County, WV

The radar

The Pittsburgh radar (KPBZ), 101 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 87 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.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 2009-10-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2009-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
470 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS51 KPBZ 092132
TORPBZ
WVC049-061-077-092230-
/O.NEW.KPBZ.TO.W.0013.091009T2132Z-091009T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
532 PM EDT FRI OCT 9 2009

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MARION COUNTY IN NORTHERN WEST VIRGINIA...
  NORTH CENTRAL PRESTON COUNTY IN NORTHERN WEST VIRGINIA...
  MONONGALIA COUNTY IN NORTHERN WEST VIRGINIA...

* UNTIL 630 PM EDT

* AT 532 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR METZ...
  MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  METZ...               MANNINGTON...         FARMINGTON...
  GRANT TOWN...         DAYBROOK...           MCCURDYVILLE...
  EVERETTVILLE...       CASSVILLE...          STAR CITY...
  WESTOVER...           MORGANTOWN...         DELLSLOW...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING  
DESTRUCTIVE STRAIGHT LINE WINDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3947 8044 3965 8039 3971 8014 3972 8005
      3972 7963 3965 7954
TIME...MOT...LOC 2132Z 252DEG 29KT 3959 8036

$$


15
3 follow-up statements
000 
WWUS51 KPBZ 092138
SVSPBZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
538 PM EDT FRI OCT 9 2009

WVC049-061-077-092230-
/O.CON.KPBZ.TO.W.0013.000000T0000Z-091009T2230Z/
MARION WV-PRESTON WV-MONONGALIA WV-
538 PM EDT FRI OCT 9 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR
MONONGALIA...PRESTON AND MARION COUNTIES...

AT 535 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS POSSIBLE TORNADO WAS LOCATED NEAR 
FLYBLOW...MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  DAYBROOK...           MCCURDYVILLE...       CASSVILLE...
  STAR CITY...          WESTOVER...           MORGANTOWN...
  CHEAT NECK...         CLIFTON MILLS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING  
DESTRUCTIVE STRAIGHT LINE WINDS.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY.

LAT...LON 3956 8030 3964 8033 3969 8021 3971 8014
      3972 8005 3972 7963 3968 7958
TIME...MOT...LOC 2138Z 249DEG 28KT 3961 8027

$$


15
000 
WWUS51 KPBZ 092150
SVSPBZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
550 PM EDT FRI OCT 9 2009

WVC049-092159-
/O.CAN.KPBZ.TO.W.0013.000000T0000Z-091009T2230Z/
MARION WV-
550 PM EDT FRI OCT 9 2009

...THE TORNADO WARNING FOR MARION COUNTY IS CANCELLED...

LAT...LON 3961 8016 3964 8032 3969 8021 3971 8014
      3972 8005 3972 7963 3968 7958
TIME...MOT...LOC 2149Z 252DEG 26KT 3965 8013

$$

WVC061-077-092230-
/O.CON.KPBZ.TO.W.0013.000000T0000Z-091009T2230Z/
PRESTON WV-MONONGALIA WV-
550 PM EDT FRI OCT 9 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR
MONONGALIA AND PRESTON COUNTIES...

AT 549 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO.  THIS POSSIBLE TORNADO WAS LOCATED NEAR 
BEHLER...MOVING EAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
  DAYBROOK...           CASSVILLE...          STAR CITY...
  WESTOVER...           CHEAT NECK...         CLIFTON MILLS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE STRAIGHT LINE WINDS.

PLEASE REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE. 1-877-633-6772. WHEN YOU CAN DO SO SAFELY.

LAT...LON 3961 8016 3964 8032 3969 8021 3971 8014
      3972 8005 3972 7963 3968 7958
TIME...MOT...LOC 2149Z 252DEG 26KT 3965 8013

$$


15
000 
WWUS51 KPBZ 092159
SVSPBZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
559 PM EDT FRI OCT 9 2009

WVC061-077-092209-
/O.CAN.KPBZ.TO.W.0013.000000T0000Z-091009T2230Z/
PRESTON WV-MONONGALIA WV-
559 PM EDT FRI OCT 9 2009

...THE TORNADO WARNING FOR MONONGALIA AND PRESTON COUNTIES IS
CANCELLED...

THE STORM AND ROTATION THAT PROMPTED THE WARNING HAVE WEAKENED SO 
THE NATIONAL WEATHER SERVICE HAS CANCELLED THE TORNADO WARNING. 


LAT...LON 3961 8016 3964 8032 3969 8021 3971 8014
      3972 8005 3972 7963 3968 7958
TIME...MOT...LOC 2159Z 249DEG 28KT 3967 8008

$$


15

Nearby

Tornado Warnings in West Virginia, 2009Every tornado warning in 2009Tornadoes 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.