Alert archive / West Virginia / Tornado Warnings in 2011
Tornado Warning 51, NWS Blacksburg, VA
NWS Blacksburg, VA issued this tornado warning at Apr 28, 2011, 1:45 AM EDT for 4 counties in West Virginia. It was in force for 31 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 28, 2011, 1:45 AM EDT (05:45 UTC)
- Expired
- Apr 28, 2011, 2:16 AM EDT
- In force
- 31 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
Counties Greenbrier County, WV, Mercer County, WV, Monroe County, WV, Summers County, WV
The radar
The Roanoke radar (KFCX), 94 km from the middle of the area, began a volume at 05:45 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 |
|---|---|---|---|
| Apr 28, 12:41 AM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Roanoke, VA (KRNK), launched 00:00Z, 5.8 hours before the alert went out and 140 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
- 372 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1272 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 335 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
078
WFUS51 KRNK 280545
TORRNK
WVC025-055-063-089-280630-
/O.NEW.KRNK.TO.W.0051.110428T0545Z-110428T0630Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
145 AM EDT THU APR 28 2011
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN MONROE COUNTY IN SOUTHEAST WEST VIRGINIA
NORTHERN MERCER COUNTY IN SOUTHEAST WEST VIRGINIA
SOUTHWESTERN GREENBRIER COUNTY IN SOUTHEAST WEST VIRGINIA
SUMMERS COUNTY IN SOUTHEAST WEST VIRGINIA
* UNTIL 230 AM EDT.
* AT 140 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR WENONAH...
OR NEAR MATOAKA...MOVING NORTHEAST AT 70 MPH.
* LOCATIONS IMPACTED INCLUDE...
CAMP CREEK STATE PARK...
ELLISON...
JUMPING BRANCH...
HINTON...
HIX...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.
WHEN IT IS SAFE TO DO SO...PLEASE RELAY YOUR SEVERE WEATHER REPORTS
TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE AT...1...8 6
6...2 1 5...4 3 2 4.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM EDT THURSDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA.
&&
LAT...LON 3769 8051 3736 8120 3742 8129 3745 8131
3751 8126 3752 8122 3758 8119 3761 8108
3764 8107 3772 8098 3770 8090 3774 8093
3778 8090 3782 8094 3787 8083 3787 8076
3791 8078
TIME...MOT...LOC 0546Z 227DEG 61KT 3754 8112
$$2 follow-up statements
183
WWUS51 KRNK 280602
SVSRNK
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
202 AM EDT THU APR 28 2011
WVC055-280612-
/O.CAN.KRNK.TO.W.0051.000000T0000Z-110428T0630Z/
MERCER WV-
202 AM EDT THU APR 28 2011
...THE TORNADO WARNING FOR NORTHERN MERCER COUNTY IS CANCELLED...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM EDT THURSDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA.
&&
LAT...LON 3769 8051 3754 8085 3758 8099 3764 8107
3772 8098 3770 8090 3774 8093 3778 8090
3782 8094 3787 8083 3787 8076 3791 8078
TIME...MOT...LOC 0602Z 227DEG 61KT 3772 8086
$$
WVC025-063-089-280630-
/O.CON.KRNK.TO.W.0051.000000T0000Z-110428T0630Z/
MONROE WV-GREENBRIER WV-SUMMERS WV-
202 AM EDT THU APR 28 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 AM EDT FOR
SUMMERS...SOUTHWESTERN GREENBRIER AND NORTHERN MONROE COUNTIES...
AT 159 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR HINTON...MOVING
NORTHEAST AT 60 MPH.
LOCATIONS IMPACTED INCLUDE...
HINTON...
HIX...
LAWN...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM EDT THURSDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA.
&&
LAT...LON 3769 8051 3754 8085 3758 8099 3764 8107
3772 8098 3770 8090 3774 8093 3778 8090
3782 8094 3787 8083 3787 8076 3791 8078
TIME...MOT...LOC 0602Z 227DEG 61KT 3772 8086
$$152
WWUS51 KRNK 280616
SVSRNK
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
216 AM EDT THU APR 28 2011
WVC025-063-089-280626-
/O.CAN.KRNK.TO.W.0051.000000T0000Z-110428T0630Z/
MONROE WV-GREENBRIER WV-SUMMERS WV-
216 AM EDT THU APR 28 2011
...THE TORNADO WARNING FOR SUMMERS...SOUTHWESTERN GREENBRIER AND
NORTHERN MONROE COUNTIES IS CANCELLED...
THE TORNADO THREAT FOR THE WARNED AREA HAS ENDED. THE THUNDERSTORM
PRODUCING THE TORNADO HAS WEAKENED AND MOVED OUT OF THE WARNING AREA.
STAY TUNED TO NOAA WEATHER RADIO...TV OR YOUR LOCAL NEW SOURCE FOR
THE LATEST WEATHER INFORMATION. REPORT ANY SEVERE WEATHER OR STORM
RELATED DAMAGE TO LOCAL LAW ENFORCEMENT OFFICIALS AND ASK THEM TO
IMMEDIATELY RELAY THE REPORT TO THE NATIONAL WEATHER SERVICE IN
BLACKSBURG.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM EDT THURSDAY MORNING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA AND
SOUTHEAST WEST VIRGINIA.
LAT...LON 3769 8051 3754 8085 3758 8099 3764 8107
3772 8098 3770 8090 3774 8093 3778 8090
3782 8094 3787 8083 3787 8076 3791 8078
TIME...MOT...LOC 0616Z 227DEG 61KT 3788 8064
$$The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 9:06 PM EDT | Flash Flood Watch | RNK | Mercer, Monroe, Summers | 13 hr |
| Apr 27, 10:12 PM EDT | Tornado Warning | RNK | Mercer | 48 min |
| Apr 27, 10:32 PM EDT | Tornado Warning | RNK | Greenbrier | 43 min |
| Apr 27, 10:57 PM EDT | Tornado Warning | RNK | Greenbrier, Mercer, Summers | 48 min |
| Apr 27, 11:09 PM EDT | Tornado Warning | RNK | Mercer, Monroe, Summers | 51 min |
| Apr 27, 11:43 PM EDT | Tornado Warning | RNK | Greenbrier, Summers | 36 min |
| Apr 27, 11:53 PM EDT | Tornado Warning | RNK | Mercer, Monroe | 52 min |
| Apr 27, 11:56 PM EDT | Tornado Warning | RNK | Greenbrier, Monroe, Summers | 49 min |
| Apr 28, 12:40 AM EDT | Tornado Warning | RNK | Greenbrier | 35 min |
| Apr 28, 12:45 AM EDT | Tornado Warning | RNK | Mercer, Monroe, Summers | 45 min |
| Apr 28, 12:48 AM EDT | Flash Flood Warning | RNK | Greenbrier, Monroe | 6 hr |
| Apr 28, 1:03 AM EDT | Severe Thunderstorm Warning | RNK | Greenbrier, Monroe | 57 min |
| Apr 28, 1:19 AM EDT | Tornado Warning | RNK | Monroe | 26 min |
| Apr 28, 1:39 AM EDT | Flash Flood Warning | RNK | Mercer, Monroe, Summers | 3 hr |
| Apr 28, 1:43 AM EDT | Tornado Warning | RNK | Monroe | 19 min |
| Apr 28, 1:47 AM EDT | Tornado Warning | RNK | Mercer | 9 min |
| Apr 28, 2:17 AM EDT | Tornado Warning | RNK | Mercer, Monroe, Summers | 28 min |
| Apr 28, 6:47 AM EDT | Areal Flood Warning | RNK | Greenbrier, Monroe | 6 hr |
| Apr 28, 11:16 AM EDT | River Flood Warning | RNK | Greenbrier, Monroe, Summers | 10 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.