Alert archive / West Virginia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 9, NWS Charleston, WV

February 28, 20115 counties in West Virginia

NWS Charleston, WV issued this severe thunderstorm warning at Feb 28, 2011, 9:15 AM EST for 5 counties in West Virginia. It was in force for 30 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Feb 28, 2011, 9:15 AM EST (14:15 UTC)
Expired: Feb 28, 2011, 9:45 AM EST
In force: 30 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon

Counties Clay County, WV, Fayette County, WV, Nicholas County, WV, Raleigh County, WV, Webster County, WV

The radar

The Charleston,WV radar (KRLX), 88 km from the middle of the area, began a volume at 14:16 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.

What was reported inside it

Time	Report	Where	Remark
Feb 28, 9:15 AM EST	TSTM WND DMG	Canvas, WV	NUMEROUS TREES DOWN
Feb 28, 9:15 AM EST	TSTM WND DMG	Mount Nebo, WV	NUMEROUS TREES DOWN
Feb 28, 9:20 AM EST	TSTM WND DMG	Nettie, WV	NUMEROUS TREES DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Feb 28, 5:47 AM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 2.3 hours before the alert went out and 148 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 4 J/kg
Mixed-layer CIN: -263 J/kg
Mixed-layer LCL: 825 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 268 m²/s²
0-3 km storm-relative helicity: 373 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.

679 
WUUS51 KRLX 281415
SVRRLX
WVC015-019-067-081-101-281445-
/O.NEW.KRLX.SV.W.0009.110228T1415Z-110228T1445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
915 AM EST MON FEB 28 2011

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CLAY COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITY OF CLAY...
  FAYETTE COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITIES OF...FAYETTEVILLE...BABCOCK STATE PARK...
  NICHOLAS COUNTY IN WEST VIRGINIA...
  THIS INCLUDES THE CITIES OF...SUMMERSVILLE...RICHWOOD...
  NORTH CENTRAL RALEIGH COUNTY IN WEST VIRGINIA...
  SOUTHWESTERN WEBSTER COUNTY IN WEST VIRGINIA...

* UNTIL 945 AM EST

* AT 910 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 10 MILES EAST OF ANSTED...OR 10
  MILES NORTH OF BABCOCK STATE PARK...AND MOVING EAST AT 55 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CRAIGSVILLE AND CAMDEN ON GAULEY.

THIS WILL IMPACT THE FOLLOWING INTERSTATE...THE WEST VIRGINIA
TURNPIKE BETWEEN MILE MARKERS 54 AND 65.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS 
KANAWHA AND PUTNAM COUNTIES. THIS IS AN EXTREMELY DANGEROUS 
SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY 
FROM WINDOWS!

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM EST MONDAY AFTERNOON
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.

&&

LAT...LON 3823 8037 3826 8045 3807 8071 3809 8088
      3806 8085 3807 8080 3805 8081 3802 8077
      3798 8077 3795 8080 3787 8075 3786 8076
      3782 8092 3794 8141 3856 8103 3836 8035
TIME...MOT...LOC 1414Z 290DEG 48KT 3810 8082

$$

13

1 follow-up statement

379 
WWUS51 KRLX 281434
SVSRLX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
934 AM EST MON FEB 28 2011

WVC015-081-281444-
/O.CAN.KRLX.SV.W.0009.000000T0000Z-110228T1445Z/
CLAY WV-RALEIGH WV-
934 AM EST MON FEB 28 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN RALEIGH AND
EASTERN CLAY COUNTIES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM EST MONDAY AFTERNOON
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3823 8037 3826 8045 3807 8071 3809 8088
      3806 8085 3807 8080 3805 8081 3802 8077
      3798 8077 3795 8080 3788 8075 3786 8076
      3782 8094 3792 8125 3817 8102 3848 8079
      3836 8035
TIME...MOT...LOC 1434Z 290DEG 48KT 3800 8051

$$

WVC019-067-101-281445-
/O.CON.KRLX.SV.W.0009.000000T0000Z-110228T1445Z/
WEBSTER WV-NICHOLAS WV-FAYETTE WV-
934 AM EST MON FEB 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 AM EST
FOR SOUTHEASTERN FAYETTE...NICHOLAS AND SOUTHWESTERN WEBSTER
COUNTIES...

AT 930 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 14 MILES SOUTH OF
RICHWOOD...OR 11 MILES WEST OF RENICK...MOVING EAST AT 55 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM EST MONDAY AFTERNOON
FOR CENTRAL KENTUCKY AND SOUTHEAST OHIO AND CENTRAL VIRGINIA AND
CENTRAL WEST VIRGINIA.

&&

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3823 8037 3826 8045 3807 8071 3809 8088
      3806 8085 3807 8080 3805 8081 3802 8077
      3798 8077 3795 8080 3788 8075 3786 8076
      3782 8094 3792 8125 3817 8102 3848 8079
      3836 8035
TIME...MOT...LOC 1434Z 290DEG 48KT 3800 8051

$$

13

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 27, 9:14 PM EST	Special Weather Statement	RLX	Clay	31 min
Feb 28, 6:19 AM EST	Severe Thunderstorm Warning	RLX	Wayne	56 min
Feb 28, 6:42 AM EST	Severe Thunderstorm Warning	RLX	Jackson, Mason, Pleasants, Ritchie, Tyler, Wirt and 1 more	63 min
Feb 28, 7:13 AM EST	Severe Thunderstorm Warning	RLX	Cabell, Lincoln, Mason, Wayne	62 min
Feb 28, 7:14 AM EST	Tornado Warning	RLX	Wood	32 min
Feb 28, 7:36 AM EST	Severe Thunderstorm Warning	RLX	Lincoln, Logan, Mingo, Wayne	54 min
Feb 28, 8:13 AM EST	Special Weather Statement	RLX	Boone, Clay, Jackson, Kanawha, Lincoln, Putnam and 1 more	47 min
Feb 28, 8:27 AM EST	Severe Thunderstorm Warning	RLX	Boone, Clay, Fayette, Jackson, Kanawha, Lincoln and 5 more	48 min
Feb 28, 8:33 AM EST	Severe Thunderstorm Warning	RLX	Boone, Lincoln, Logan, Mingo, Raleigh, Wyoming	57 min
Feb 28, 8:38 AM EST	Severe Thunderstorm Warning	RLX	Barbour, Braxton, Calhoun, Clay, Gilmer, Harrison and 7 more	67 min
Feb 28, 9:20 AM EST	Severe Thunderstorm Warning	RLX	Boone, Fayette, Logan, McDowell, Mingo, Raleigh and 1 more	55 min
Feb 28, 9:25 AM EST	Special Weather Statement	RLX	McDowell	35 min
Feb 28, 9:29 AM EST	Severe Thunderstorm Warning	RLX	Nicholas, Pocahontas, Randolph, Upshur, Webster	61 min
Feb 28, 9:37 AM EST	Severe Thunderstorm Warning	RLX	McDowell	53 min
Feb 28, 12:00 PM EST	Special Weather Statement	RLX	Calhoun, Doddridge, Gilmer, Harrison, Lewis, Upshur	3 hr
Feb 28, 12:13 PM EST	Special Weather Statement	RLX	Wayne	3 hr
Feb 28, 1:46 PM EST	Special Weather Statement	RLX	McDowell, Wyoming	3 hr
Feb 28, 3:17 PM EST	Areal Flood Warning	RLX	Kanawha	6 hr

Nearby

Severe Thunderstorm Warnings in West Virginia, 2011 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.