Alert archive / North Carolina / Flash Flood Warnings in 2011
Flash Flood Warning 41, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Jun 21, 2011, 4:25 PM EDT for Ashe County, Watauga County, Wilkes County, North Carolina. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 21, 2011, 4:25 PM EDT (20:25 UTC)
- Expired
- Jun 21, 2011, 9:29 PM EDT
- In force
- 5 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Ashe County, NC, Watauga County, NC, Wilkes County, NC
The radar
The Roanoke radar (KFCX), 136 km from the middle of the area, began a volume at 20:27 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.4 hours before the alert went out and 144 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
- 508 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 1168 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
353
WGUS51 KRNK 212025
FFWRNK
NCC009-189-193-220230-
/O.NEW.KRNK.FF.W.0041.110621T2025Z-110622T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
425 PM EDT TUE JUN 21 2011
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN ASHE COUNTY IN NORTHWEST NORTH CAROLINA
WATAUGA COUNTY IN NORTHWEST NORTH CAROLINA
NORTHWESTERN WILKES COUNTY IN NORTHWEST NORTH CAROLINA
* UNTIL 1030 PM EDT.
* AT 423 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WAGONER...
OTHELLO...IDLEWILD...GLENDALE SPRINGS...FLEETWOOD...BALDWIN...
WILBAR...MC GRADY...HALLS MILLS...ABSHERS...TODD AND MEAT CAMP.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF
CREEKS AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAIN
COULD ALSO CAUSE ROCK AND MUDSLIDES.
PLEASE RELAY ANY REPORTS OF FLOODING INCLUDING MUDSLIDES...OR ROAD
CLOSURES TO THE NATIONAL WEATHER SERVICE IN BLACKSBURG BY CALLING
TOLL FREE...1...8 6 6...2 1 5...4 3 2 4. DELAYED REPORTS ARE WELCOME.
&&
LAT...LON 3619 8185 3635 8162 3643 8133 3641 8126
3639 8124 3637 8125 3639 8120 3634 8101
3609 8150 3611 8155 3611 8177 3618 8185
$$
DS2 follow-up statements
993
WGUS71 KRNK 212211
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
611 PM EDT TUE JUN 21 2011
NCC009-189-193-220230-
/O.CON.KRNK.FF.W.0041.000000T0000Z-110622T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ASHE NC-WATAUGA NC-WILKES NC-
611 PM EDT TUE JUN 21 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR
SOUTHERN ASHE...WATAUGA AND NORTHWESTERN WILKES COUNTIES...
AT 609 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT HEAVY RAINFALL HAD TAPERED OFF ACROSS THE WARNED AREA. HOWEVER
RUNOFF COULD PRODUCE FLASH FLOODING OF SMALLER CREEKS AND STREAMS
THIS EVENING.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WAGONER...
OTHELLO...IDLEWILD...GLENDALE SPRINGS...FLEETWOOD...BALDWIN...MC
GRADY...HALLS MILLS...ABSHERS...TODD AND MEAT CAMP
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 3619 8185 3635 8162 3643 8133 3641 8126
3639 8124 3637 8125 3639 8120 3634 8101
3609 8150 3611 8155 3611 8177 3618 8185
$$
JH022
WGUS71 KRNK 220129
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
929 PM EDT TUE JUN 21 2011
NCC009-189-193-220138-
/O.CAN.KRNK.FF.W.0041.000000T0000Z-110622T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ASHE NC-WATAUGA NC-WILKES NC-
929 PM EDT TUE JUN 21 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN ASHE...
WATAUGA AND NORTHWESTERN WILKES COUNTIES...
NO REPORTS OF FLASH FLOODING HAVE BEEN RECEIVED FROM THE WARNED AREA
AND NO ADDITIONAL HEAVY RAIN IS EXPECTED WITHIN THE NEXT HOUR.
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN CANCELLED.
LAT...LON 3619 8185 3635 8162 3643 8133 3641 8126
3639 8124 3637 8125 3639 8120 3634 8101
3609 8150 3611 8155 3611 8177 3618 8185
$$
DSThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 2:15 PM EDT | Special Weather Statement | RNK | Ashe | 60 min |
| Jun 21, 2:32 PM EDT | Severe Thunderstorm Warning | RNK | Ashe, Watauga, Wilkes | 58 min |
| Jun 21, 3:09 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Wilkes | 58 min |
| Jun 21, 3:42 PM EDT | Severe Thunderstorm Warning | RNK | Ashe, Watauga | 63 min |
| Jun 21, 4:00 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Ashe, Wilkes | 60 min |
| Jun 21, 4:40 PM EDT | Severe Thunderstorm Warning | RNK | Ashe, Watauga | 36 min |
| Jun 21, 4:52 PM EDT | Severe Thunderstorm Warning | RNK | Ashe, Wilkes | 56 min |
| Jun 21, 5:02 PM EDT | Severe Thunderstorm Warning | RNK | Stokes, Surry, Yadkin | 58 min |
| Jun 21, 5:22 PM EDT | Flash Flood Warning | RNK | Wilkes | 4 hr |
| Jun 21, 5:43 PM EDT | Severe Thunderstorm Warning | RNK | Wilkes | 37 min |
| Jun 21, 6:19 PM EDT | Severe Thunderstorm Warning | RNK | Stokes, Surry | 56 min |
| Jun 21, 6:43 PM EDT | Severe Thunderstorm Warning | RNK | Rockingham | 43 min |
| Jun 21, 7:14 PM EDT | Severe Thunderstorm Warning | RNK | Rockingham, Stokes | 61 min |
| Jun 21, 7:53 PM EDT | Severe Thunderstorm Warning | RNK | Caswell, Rockingham | 67 min |
Nearby
Flash Flood Warnings in North Carolina, 2011Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.