Alert archive / Virginia / Tornado Warnings in 2011
Tornado Warning 67, NWS Blacksburg, VA
NWS Blacksburg, VA issued this tornado warning at Sep 5, 2011, 6:54 PM EDT for Carroll County, Floyd County, Patrick County, Virginia. It was in force for 36 min. 2 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
- Sep 5, 2011, 6:54 PM EDT (22:54 UTC)
- Expired
- Sep 5, 2011, 7:30 PM EDT
- In force
- 36 min
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
Counties Carroll County, VA, Floyd County, VA, Patrick County, VA
The radar
The Roanoke radar (KFCX), 26 km from the middle of the area, began a volume at 22:56 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 |
|---|---|---|---|
| Sep 5, 7:05 PM EDT | TSTM WND DMG | 3 Ene Willis, VA | TREE DOWN ON A POWER LINE AND ALSO FELL ON A HOUSE ON HARRIS HOLLOW ROAD. |
| Sep 5, 7:25 PM EDT | TSTM WND DMG | 1 Sse Floyd, VA | TREE DOWN ON WOODS GAP ROAD. |
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 |
|---|---|---|---|
| Sep 5, 6:29 PM EDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 10.9 hours before the alert went out and 93 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
- 144 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 588 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
019 WFUS51 KRNK 052254 TORRNK VAC035-063-141-052330- /O.NEW.KRNK.TO.W.0067.110905T2254Z-110905T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BLACKSBURG VA 654 PM EDT MON SEP 5 2011 THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A * TORNADO WARNING FOR... NORTHWESTERN PATRICK COUNTY IN SOUTHWEST VIRGINIA SOUTHERN FLOYD COUNTY IN SOUTHWEST VIRGINIA EASTERN CARROLL COUNTY IN SOUTHWEST VIRGINIA * UNTIL 730 PM EDT. * AT 651 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LAUREL FORK...OR 8 MILES NORTH OF ARARAT...MOVING NORTHEAST AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... LAUREL FORK... MEADOWS OF DAN... MABRY MILL... ROCKY KNOB SUMMIT... FLOYD... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. 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 400 AM EDT TUESDAY MORNING FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA. && LAT...LON 3696 8040 3684 8017 3664 8055 3675 8067 TIME...MOT...LOC 2254Z 230DEG 32KT 3673 8053 $$ AMS
3 follow-up statements
008 WWUS51 KRNK 052305 SVSRNK SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 705 PM EDT MON SEP 5 2011 VAC035-063-141-052330- /O.CON.KRNK.TO.W.0067.000000T0000Z-110905T2330Z/ PATRICK VA-FLOYD VA-CARROLL VA- 705 PM EDT MON SEP 5 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR NORTHERN PATRICK...SOUTHERN FLOYD AND EASTERN CARROLL COUNTIES... AT 701 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR LAUREL FORK...OR 7 MILES SOUTH OF WILLIS...MOVING NORTHEAST AT 35 MPH. LOCATIONS IMPACTED INCLUDE... LAUREL FORK... WILLIS... ROCKY KNOB RECREATION AREA... ROCKY KNOB SUMMIT... FLOYD... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM EDT TUESDAY MORNING FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA. && LAT...LON 3667 8056 3678 8063 3696 8040 3684 8017 TIME...MOT...LOC 2305Z 230DEG 32KT 3678 8048 $$ AMS
821 WWUS51 KRNK 052317 SVSRNK SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 717 PM EDT MON SEP 5 2011 VAC035-052327- /O.CAN.KRNK.TO.W.0067.000000T0000Z-110905T2330Z/ CARROLL VA- 717 PM EDT MON SEP 5 2011 ...THE TORNADO WARNING FOR EASTERN CARROLL COUNTY IS CANCELLED... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM EDT TUESDAY MORNING FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA. && LAT...LON 3672 8046 3684 8056 3696 8040 3684 8017 TIME...MOT...LOC 2317Z 226DEG 35KT 3686 8034 $$ VAC063-141-052330- /O.CON.KRNK.TO.W.0067.000000T0000Z-110905T2330Z/ PATRICK VA-FLOYD VA- 717 PM EDT MON SEP 5 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR NORTHERN PATRICK AND SOUTHERN FLOYD COUNTIES... AT 715 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR ROCKY KNOB SUMMIT...OR NEAR FLOYD...MOVING NORTHEAST AT 40 MPH. LOCATIONS IMPACTED INCLUDE... ROCKY KNOB SUMMIT... FLOYD... PRECAUTIONARY/PREPAREDNESS ACTIONS... HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW! IF YOU WAIT TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM EDT TUESDAY MORNING FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA. && LAT...LON 3672 8046 3684 8056 3696 8040 3684 8017 TIME...MOT...LOC 2317Z 226DEG 35KT 3686 8034 $$ AMS
271 WWUS51 KRNK 052327 SVSRNK SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 727 PM EDT MON SEP 5 2011 VAC063-141-052337- /O.EXP.KRNK.TO.W.0067.000000T0000Z-110905T2330Z/ PATRICK VA-FLOYD VA- 727 PM EDT MON SEP 5 2011 ...THE TORNADO WARNING FOR NORTHERN PATRICK AND SOUTHERN FLOYD COUNTIES EXPIRES AT 730 PM EDT... 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. A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM EDT TUESDAY MORNING FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA. LAT...LON 3672 8046 3684 8056 3696 8040 3684 8017 TIME...MOT...LOC 2327Z 226DEG 35KT 3693 8025 $$ AMS
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 9:30 PM EDT | Special Weather Statement | RNK | Bath | 30 min |
| Sep 5, 4:48 PM EDT | Tornado Warning | RNK | Henry, Pittsylvania | 27 min |
| Sep 5, 5:31 PM EDT | Tornado Warning | RNK | Carroll, Grayson, City of Galax | 29 min |
| Sep 5, 6:31 PM EDT | Special Weather Statement | RNK | Botetourt, Carroll, Craig, Floyd, Montgomery, Roanoke and 2 more | 59 min |
| Sep 5, 6:34 PM EDT | Special Weather Statement | RNK | Bedford, Campbell, Charlotte, Franklin, Halifax, Pittsylvania | 56 min |
| Sep 5, 6:42 PM EDT | Tornado Warning | RNK | Halifax | 33 min |
| Sep 5, 7:14 PM EDT | Tornado Warning | RNK | Bland, Pulaski, Wythe | 31 min |
| Sep 5, 7:16 PM EDT | Tornado Warning | RNK | Charlotte, Halifax | 29 min |
| Sep 5, 7:25 PM EDT | Special Weather Statement | RNK | Botetourt | 35 min |
| Sep 5, 7:40 PM EDT | Tornado Warning | RNK | Bland, Giles, Montgomery, Pulaski, Wythe, City of Radford | 35 min |
| Sep 5, 7:57 PM EDT | Areal Flood Advisory | RNK | Roanoke, City of Roanoke, City of Salem | 3 hr |
Nearby
Tornado 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.