Alert archive / West Virginia / Tornado Warnings in 2011
Tornado Warning 21, NWS Baltimore/Washington
NWS Baltimore/Washington issued this tornado warning at Apr 26, 2011, 9:01 PM EDT for Hampshire County, Hardy County, West Virginia; Frederick County, Shenandoah County, Virginia. It was in force for 29 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
- Apr 26, 2011, 9:01 PM EDT (01:01 UTC)
- Expired
- Apr 26, 2011, 9:30 PM EDT
- In force
- 29 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
Counties Frederick County, VA, Shenandoah County, VA, Hampshire County, WV, Hardy County, WV
The radar
The Sterling radar (KLWX), 99 km from the middle of the area, began a volume at 01:04 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 1.0 hours before the alert went out and 107 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
- 0 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
460 WFUS51 KLWX 270101 TORLWX VAC069-171-WVC027-031-270130- /O.NEW.KLWX.TO.W.0021.110427T0101Z-110427T0130Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 901 PM EDT TUE APR 26 2011 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * TORNADO WARNING FOR... SHENANDOAH COUNTY IN NORTHWEST VIRGINIA... HARDY COUNTY IN EASTERN WEST VIRGINIA... HAMPSHIRE COUNTY IN EASTERN WEST VIRGINIA... FREDERICK COUNTY IN NORTHWEST VIRGINIA... * UNTIL 930 PM EDT * AT 901 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER CENTRAL HARDY COUNTY...OR 9 MILES EAST OF MOOREFIELD...MOVING EAST AT 30 MPH. * LOCATIONS IMPACTED INCLUDE... KIRBY... RIO... WARDENSVILLE... DELRAY... CAPON SPRINGS... YELLOW SPRING... LEHEW... WILDE ACRES... PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING AND AVOID WINDOWS. IF OUTDOORS OR IN A MOBILE HOME OR VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 3929 7845 3908 7834 3894 7888 3911 7896 TIME...MOT...LOC 0102Z 249DEG 28KT 3907 7878 $$
2 follow-up statements
659 WWUS51 KLWX 270110 SVSLWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 910 PM EDT TUE APR 26 2011 VAC069-171-WVC027-031-270130- /O.CON.KLWX.TO.W.0021.000000T0000Z-110427T0130Z/ SHENANDOAH VA-HARDY WV-HAMPSHIRE WV-FREDERICK VA- 910 PM EDT TUE APR 26 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR FREDERICK...HAMPSHIRE...HARDY AND SHENANDOAH COUNTIES... AT 908 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED 13 MILES EAST OF MOOREFIELD...MOVING EAST AT 30 MPH. LOCATIONS IMPACTED INCLUDE... RIO... WARDENSVILLE... DELRAY... CAPON SPRINGS... YELLOW SPRING... LEHEW... WILDE ACRES... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING AND AVOID WINDOWS. IF OUTDOORS OR IN A MOBILE HOME OR VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 3897 7875 3914 7886 3929 7845 3908 7834 TIME...MOT...LOC 0110Z 249DEG 28KT 3909 7870 $$
955 WWUS51 KLWX 270115 SVSLWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 915 PM EDT TUE APR 26 2011 VAC069-171-WVC027-031-270130- /O.CON.KLWX.TO.W.0021.000000T0000Z-110427T0130Z/ SHENANDOAH VA-HARDY WV-HAMPSHIRE WV-FREDERICK VA- 915 PM EDT TUE APR 26 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM EDT FOR FREDERICK...HAMPSHIRE...HARDY AND SHENANDOAH COUNTIES... AT 912 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED 15 MILES EAST OF MOOREFIELD...MOVING EAST AT 30 MPH. LOCATIONS IMPACTED INCLUDE... DELRAY... CAPON SPRINGS... YELLOW SPRING... LEHEW... WILDE ACRES... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING AND AVOID WINDOWS. IF OUTDOORS OR IN A MOBILE HOME OR VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 3898 7870 3917 7876 3929 7845 3908 7834 TIME...MOT...LOC 0116Z 249DEG 28KT 3911 7864 $$
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 8:01 PM EDT | Severe Thunderstorm Warning | LWX | Grant, Hardy, Pendleton | 44 min |
| Apr 26, 8:32 PM EDT | Special Weather Statement | LWX | Pendleton | 28 min |
| Apr 26, 8:38 PM EDT | Special Weather Statement | LWX | Mineral | 37 min |
| Apr 26, 8:45 PM EDT | Severe Thunderstorm Warning | LWX | Grant, Hampshire, Hardy, Pendleton | 45 min |
| Apr 26, 9:31 PM EDT | Severe Thunderstorm Warning | LWX | Berkeley, Hampshire, Hardy | 9 min |
| Apr 27, 9:51 AM EDT | Flash Flood Watch | LWX | Berkeley, Grant, Hampshire, Hardy, Jefferson, Mineral and 2 more | 29 hr |
| Apr 26, 9:32 PM EDT | Special Weather Statement | LWX | Shenandoah | 28 min |
| Apr 27, 10:11 AM EDT | Gale Warning | LWX | 29 hr | |
| Apr 27, 2:13 PM EDT | Small Craft Advisory | LWX | 29 hr | |
| Apr 27, 2:51 PM EDT | Special Marine Warning | LWX | 39 min | |
| Apr 27, 2:54 PM EDT | Special Weather Statement | LWX | Albemarle, Nelson, City of Charlottesville | 51 min |
| Apr 27, 3:01 PM EDT | Severe Thunderstorm Warning | LWX | Albemarle, Nelson | 44 min |
| Apr 27, 3:28 PM EDT | Special Marine Warning | LWX | 47 min | |
| Apr 27, 3:43 PM EDT | Severe Thunderstorm Warning | LWX | Albemarle, Orange | 47 min |
| Apr 27, 3:54 PM EDT | Special Marine Warning | LWX | 26 min | |
| Apr 27, 4:15 PM EDT | Special Weather Statement | LWX | City of Charlottesville | 30 min |
| Apr 27, 4:30 PM EDT | Special Weather Statement | LWX | Orange | 30 min |
| Apr 27, 4:39 PM EDT | Special Marine Warning | LWX | 96 min | |
| Apr 27, 4:44 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Orange, Spotsylvania | 46 min |
| Apr 27, 4:50 PM EDT | Special Weather Statement | LWX | Madison | 25 min |
| Apr 27, 5:08 PM EDT | Tornado Warning | LWX | Orange, Spotsylvania | 37 min |
| Apr 27, 5:30 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Fauquier, Orange, Spotsylvania, Stafford | 45 min |
| Apr 27, 5:46 PM EDT | Tornado Warning | LWX | Prince William, Spotsylvania, Stafford | 29 min |
| Apr 27, 5:47 PM EDT | Special Weather Statement | LWX | Culpeper | 28 min |
| Apr 27, 5:48 PM EDT | Special Marine Warning | LWX | 57 min | |
| Apr 27, 6:08 PM EDT | Tornado Warning | LWX | Fairfax, Prince William, Stafford | 37 min |
| Apr 27, 6:17 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax, Prince William | 43 min |
| Apr 27, 6:26 PM EDT | Special Weather Statement | LWX | Stafford | 34 min |
| Apr 27, 6:42 PM EDT | Special Marine Warning | LWX | 63 min | |
| Apr 27, 6:47 PM EDT | Severe Thunderstorm Warning | LWX | Nelson | 14 min |
| Apr 27, 6:59 PM EDT | Severe Thunderstorm Warning | LWX | Albemarle, City of Charlottesville | 33 min |
| Apr 27, 7:00 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax, Prince William | 32 min |
| Apr 27, 7:19 PM EDT | Special Weather Statement | LWX | Orange | 26 min |
| Apr 27, 7:21 PM EDT | Flash Flood Warning | LWX | Fairfax, Prince William | 69 min |
| Apr 27, 7:27 PM EDT | Severe Thunderstorm Warning | LWX | Greene, Madison, Orange | 25 min |
| Apr 27, 7:28 PM EDT | Special Marine Warning | LWX | 65 min | |
| Apr 27, 7:36 PM EDT | Special Weather Statement | LWX | Culpeper | 24 min |
| Apr 27, 7:42 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper, Fauquier, Rappahannock | 21 min |
Nearby
Tornado Warnings in West Virginia, 2011Tornado Warnings in Virginia, 2011Every tornado warning in 2011Tornadoes 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.