Alert archive / West Virginia / Tornado Warnings in 2011
Tornado Warning 4, NWS Baltimore/Washington
NWS Baltimore/Washington issued this tornado warning at Mar 23, 2011, 6:44 PM EDT for Grant County, Hardy County, West Virginia. It was in force for 31 min. 5 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
- Mar 23, 2011, 6:44 PM EDT (22:44 UTC)
- Expired
- Mar 23, 2011, 7:15 PM EDT
- In force
- 31 min
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
Counties Grant County, WV, Hardy County, WV
The radar
The Sterling radar (KLWX), 123 km from the middle of the area, began a volume at 22:44 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 |
|---|---|---|---|
| Mar 23, 6:53 PM EDT | HAIL 0.88 | Rig, WV | |
| Mar 23, 6:55 PM EDT | HAIL 0.75 | 2 Ne Kline Gap, WV | GROUND COVERED IN PEA TO PENNY HAIL. |
| Mar 23, 6:55 PM EDT | HAIL 0.75 | 2 Se Fisher, WV | DIME SIZE HAIL WHITEN THE GROUND |
| Mar 23, 7:10 PM EDT | HAIL 0.75 | 3 Ssw Baker, WV | |
| Mar 23, 7:10 PM EDT | HAIL 0.88 | 3 Nne Lost River, WV |
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 |
|---|---|---|---|
| Mar 23, 4:13 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 10.7 hours before the alert went out and 131 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
- 67 kt
- 0-1 km storm-relative helicity
- 304 m²/s²
- 0-3 km storm-relative helicity
- 428 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
944 WFUS51 KLWX 232244 TORLWX WVC023-031-232315- /O.NEW.KLWX.TO.W.0004.110323T2244Z-110323T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 644 PM EDT WED MAR 23 2011 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * TORNADO WARNING FOR... CENTRAL HARDY COUNTY IN EASTERN WEST VIRGINIA... CENTRAL GRANT COUNTY IN EASTERN WEST VIRGINIA... * UNTIL 715 PM EDT * AT 643 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 10 MILES WEST OF MOOREFIELD...MOVING EAST AT 45 MPH. * LOCATIONS IMPACTED INCLUDE... MOOREFIELD... 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 3914 7869 3894 7870 3902 7923 3911 7921 TIME...MOT...LOC 2245Z 272DEG 40KT 3907 7912 $$ HTS
2 follow-up statements
904 WWUS51 KLWX 232255 SVSLWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 655 PM EDT WED MAR 23 2011 WVC023-031-232315- /O.CON.KLWX.TO.W.0004.000000T0000Z-110323T2315Z/ HARDY WV-GRANT WV- 655 PM EDT WED MAR 23 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR EAST CENTRAL GRANT AND CENTRAL HARDY COUNTIES... AT 653 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED NEAR MOOREFIELD...MOVING EAST AT 40 MPH. LOCATIONS IMPACTED INCLUDE... BAKER... MCCAULEY... TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING AND AVOID WINDOWS. IF OUTDOORS OR IN A MOBILE HOME OR VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS. && LAT...LON 3912 7870 3894 7870 3901 7909 3908 7905 TIME...MOT...LOC 2255Z 287DEG 37KT 3901 7898 $$ HTS
509 WWUS51 KLWX 232314 SVSLWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 714 PM EDT WED MAR 23 2011 WVC023-031-232322- /O.EXP.KLWX.TO.W.0004.000000T0000Z-110323T2315Z/ HARDY WV-GRANT WV- 714 PM EDT WED MAR 23 2011 ...THE TORNADO WARNING WILL EXPIRE AT 715 PM EDT FOR EAST CENTRAL GRANT AND CENTRAL HARDY COUNTIES... RADAR INDICATIONS OF ROTATION HAVE DISSIPATED. THUS THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER...THE TORNADO WARNING HAS BEEN REPLACED BY A SEVERE THUNDERSTORM WARNING. LARGE HAIL WILL BE POSSIBLE. LAT...LON 3912 7870 3894 7870 3901 7909 3908 7905 TIME...MOT...LOC 2312Z 287DEG 37KT 3896 7877 $$ HTS
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 4:41 PM EDT | Special Weather Statement | LWX | Mineral | 34 min |
| Mar 23, 6:12 PM EDT | Severe Thunderstorm Warning | LWX | Grant, Hardy, Pendleton | 48 min |
| Mar 23, 6:20 PM EDT | Special Weather Statement | LWX | Mineral | 40 min |
| Mar 23, 6:29 PM EDT | Severe Thunderstorm Warning | LWX | Hampshire, Mineral, Morgan | 23 min |
| Mar 23, 6:55 PM EDT | Severe Thunderstorm Warning | LWX | Grant, Hardy, Pendleton | 35 min |
| Mar 23, 7:03 PM EDT | Special Weather Statement | LWX | Berkeley, Hampshire, Morgan | 42 min |
| Mar 23, 7:10 PM EDT | Severe Thunderstorm Warning | LWX | Hampshire, Hardy | 50 min |
| Mar 23, 7:34 PM EDT | Special Weather Statement | LWX | Jefferson | 56 min |
Nearby
Tornado Warnings in West 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.