Alert archive / Virginia / Flash Flood Warnings in 2011
Flash Flood Warning 5, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Apr 16, 2011, 9:35 AM EDT for Alleghany County, Ashe County, Wilkes County, North Carolina; 5 counties in Virginia. It was in force for 5 hr. 8 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
- Apr 16, 2011, 9:35 AM EDT (13:35 UTC)
- Expired
- Apr 16, 2011, 3:04 PM EDT
- In force
- 5 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Alleghany County, NC, Ashe County, NC, Wilkes County, NC, Carroll County, VA, City of Galax, VA, Floyd County, VA, Grayson County, VA, Patrick County, VA
The radar
The Roanoke radar (KFCX), 87 km from the middle of the area, began a volume at 13:37 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 |
|---|---|---|---|
| Apr 16, 12:00 PM EDT | FLASH FLOOD | 3 Nnw Cana, VA | FLOODING ON COAL CREEK ROAD |
| Apr 16, 12:15 PM EDT | FLASH FLOOD | 4 Nne Gladesboro, VA | BIG REED ISLAND CREEK FLOODED CREEKSIDE ROAD |
| Apr 16, 12:15 PM EDT | FLASH FLOOD | 6 Nnw Cana, VA | MUD SLIDE ON HWY 52 NEAR FANCY GAP |
| Apr 16, 1:10 PM EDT | FLASH FLOOD | 3 Ssw Floyd, VA | WATER COVERING ROUTE 8 BETWEEN FLOYD AND THE BLUE RIDGE PARKWAY. |
| Apr 16, 1:15 PM EDT | FLASH FLOOD | Floyd, VA | FLOODING OF NUMEROUS STREETS COUNTY WIDE. |
| Apr 16, 1:35 PM EDT | FLASH FLOOD | 4 E Lansing, NC | NORTH FORK NEW RIVER OUT OF ITS BANKS AND FLOODING MOUTH OF SILAS CREEK ROAD. |
| Apr 16, 1:35 PM EDT | FLASH FLOOD | Baldwin, NC | MUDSLIDE. RADIO HILL RT 88 |
| Apr 16, 2:00 PM EDT | FLASH FLOOD | 3 Se Fries, VA | CHESTNUT CREEK WAS FLOODING CREEKVIEW DRIVE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 1.6 hours before the alert went out and 118 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
- 516 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 605 m²/s²
- 0-3 km storm-relative helicity
- 909 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
688
WGUS51 KRNK 161335
FFWRNK
NCC005-009-193-VAC035-063-077-141-640-161915-
/O.NEW.KRNK.FF.W.0005.110416T1335Z-110416T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
935 AM EDT SAT APR 16 2011
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ALLEGHANY COUNTY IN NORTHWEST NORTH CAROLINA
ASHE COUNTY IN NORTHWEST NORTH CAROLINA
NORTHWESTERN WILKES COUNTY IN NORTHWEST NORTH CAROLINA
NORTHWESTERN PATRICK COUNTY IN SOUTHWEST VIRGINIA
CITY OF GALAX IN SOUTHWEST VIRGINIA
SOUTHEASTERN GRAYSON COUNTY IN SOUTHWEST VIRGINIA
SOUTHERN FLOYD COUNTY IN SOUTHWEST VIRGINIA
CARROLL COUNTY IN SOUTHWEST VIRGINIA
* UNTIL 315 PM EDT.
* AT 918 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
HEAVIER RAINS MOVING NORTH ALONG AND EITHER SIDE OF THE BLUE
RIDGE. TWO TO AS MUCH AS FOUR INCHES OF RAIN HAS FALLEN SINCE
MIDNIGHT ACROSS THE AREA...ESPECIALLY CLOSER TO THE BLUE RIDGE.
HIGHER RATES OF RAINFALL CAN BE EXPECTED WITH SOME OF THESE
SHOWERS THROUGH LATE MORNING...WITH AN ADDITIONAL 1 TO 2 INCHES
POSSIBLE.
* LOCATIONS THAT WILL BE AFFECTED INCLUDE...JEFFERSON...GLENDALE
SPRINGS...PINEY CREEK...GALAX...PIPERS GAP...CANA...AND STUART.
FOLKS WHO LIVE ALONG THE FOLLOWING RIVERS AND CREEKS WILL NEED
TO BE ALERT TO FLOODING...MULBERRY CREEK...PORTIONS OF THE NEW
RIVER AND ITS TRIBUTARIES IN ASHE AND ALLEGHANY COUNTIES...CHESTNUT
CREEK IN GALAX...LOVILLS CREEK IN CARROLL COUNTY...AND MEADOW CREEK
IN FLOYD COUNTY.
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.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
THE HEAVY RAIN COULD ALSO CAUSE ROCK AND MUDSLIDES IN STEEPER
TERRAIN.
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 3643 8170 3646 8157 3662 8125 3696 8032
3682 8020 3663 8048 3655 8093 3623 8145
$$2 follow-up statements
715
WGUS71 KRNK 161609
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1209 PM EDT SAT APR 16 2011
NCC005-009-193-VAC035-063-077-141-640-161915-
/O.CON.KRNK.FF.W.0005.000000T0000Z-110416T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLEGHANY NC-ASHE NC-WILKES NC-PATRICK VA-CITY OF GALAX VA-GRAYSON
VA-FLOYD VA-CARROLL VA-
1209 PM EDT SAT APR 16 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR THE
CITY OF GALAX... CARROLL...SOUTHERN FLOYD...SOUTHEASTERN GRAYSON...
NORTHWESTERN PATRICK...NORTHWESTERN WILKES...ASHE AND ALLEGHANY
COUNTIES...
AT 1157 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE HEAVY RAINFALL CAPABLE OF PRODUCING FLASH FLOODING OVER
PARTS OF THE WARNED AREA. A VERY STRONG STORM OVER SOUTHEAST CARROLL
COUNTY AT THIS TIME IS PRODUCING VERY HEAVY RAINFALL.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GROUNDHOG
MOUNTAIN...ROCKY KNOB RECREATION AREA...ROCKY KNOB SUMMIT...MABRY
MILL...WILLIS...FLOYD...WOODLAWN...PIPERS GAP...LAUREL FORK...
HILLSVILLE...GLADESBORO...FANCY GAP...DUGSPUR...GALAX HILLSVILLE
AIRPORT...WOOLWINE...MEADOWS OF DAN...CHARITY...INDEPENDENCE...
FRIES...BRIDLE CREEK...BAYWOOD AND GALAX CITY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA WITH HEAVY RUNOFF POSSIBLE.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING
FOR NORTHWESTERN NORTH CAROLINA AND SOUTHWESTERN VIRGINIA.
&&
LAT...LON 3643 8170 3646 8157 3662 8125 3696 8032
3682 8020 3663 8048 3655 8093 3623 8145
$$
PC500
WGUS71 KRNK 161904
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
304 PM EDT SAT APR 16 2011
NCC005-009-193-VAC035-063-077-141-640-161911-
/O.CAN.KRNK.FF.W.0005.000000T0000Z-110416T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLEGHANY NC-ASHE NC-WILKES NC-PATRICK VA-CITY OF GALAX VA-GRAYSON
VA-FLOYD VA-CARROLL VA-
304 PM EDT SAT APR 16 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR THE CITY OF
GALAX... CARROLL...SOUTHERN FLOYD...SOUTHEASTERN GRAYSON...
NORTHWESTERN PATRICK...NORTHWESTERN WILKES...ASHE AND ALLEGHANY
COUNTIES...
FLOODING HAS ENDED OVER THE WARNED AREA...THUS THE FLASH FLOOD
WARNING HAS BEEN CANCELLED.
LAT...LON 3643 8170 3646 8157 3662 8125 3696 8032
3682 8020 3663 8048 3655 8093 3623 8145
$$
PCThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 5:13 AM EDT | Flash Flood Warning | RNK | Watauga | 9 hr |
| Apr 16, 9:58 AM EDT | Special Weather Statement | RNK | Ashe | 32 min |
| Apr 16, 11:38 AM EDT | Special Weather Statement | RNK | Surry | 67 min |
| Apr 16, 1:51 PM EDT | Severe Thunderstorm Warning | RNK | Caswell, Rockingham | 69 min |
| Apr 16, 1:57 PM EDT | Tornado Warning | RNK | Caswell, Rockingham | 48 min |
| Apr 16, 2:10 PM EDT | Tornado Warning | RNK | Caswell | 35 min |
| Apr 16, 2:22 PM EDT | Areal Flood Advisory | RNK | Caswell | 3 hr |
| Apr 16, 11:27 AM EDT | Special Weather Statement | RNK | Alleghany, Bath, Botetourt, Carroll, Craig, Floyd and 8 more | 63 min |
| Apr 16, 12:10 PM EDT | Severe Thunderstorm Warning | RNK | Carroll, Floyd, Franklin, Montgomery, Roanoke, City of Roanoke and 1 more | 65 min |
| Apr 16, 12:16 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Bath, Botetourt, Craig, Montgomery, Roanoke and 1 more | 59 min |
| Apr 16, 12:24 PM EDT | Flash Flood Warning | RNK | Alleghany, Botetourt, Craig, Montgomery, Roanoke, City of Covington and 2 more | 4 hr |
| Apr 16, 1:04 PM EDT | Flash Flood Warning | RNK | Bedford, Floyd, Franklin, Patrick, Roanoke | 3 hr |
| Apr 16, 1:06 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Bath, Bedford, Botetourt, Rockbridge, City of Buena Vista and 1 more | 54 min |
| Apr 16, 1:26 PM EDT | Flash Flood Warning | RNK | Amherst, Bedford, Botetourt, Campbell, Rockbridge, City of Buena Vista and 2 more | 6 hr |
| Apr 16, 1:43 PM EDT | Tornado Warning | RNK | Amherst, Bedford, Rockbridge | 47 min |
| Apr 16, 1:43 PM EDT | Tornado Warning | RNK | Amherst, Rockbridge, City of Buena Vista, City of Lexington | 32 min |
| Apr 16, 2:23 PM EDT | Special Weather Statement | RNK | Bath | 37 min |
| Apr 16, 2:25 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Bedford, Campbell, City of Lynchburg | 35 min |
| Apr 16, 2:34 PM EDT | Severe Thunderstorm Warning | RNK | Appomattox, Buckingham, Campbell, Charlotte, Halifax, Pittsylvania | 71 min |
| Apr 16, 2:45 PM EDT | Tornado Warning | RNK | Charlotte, Halifax | 45 min |
| Apr 16, 2:56 PM EDT | Tornado Warning | RNK | Charlotte, Halifax | 37 min |
| Apr 16, 3:04 PM EDT | Severe Thunderstorm Warning | RNK | Amherst, Appomattox, Buckingham | 26 min |
Nearby
Flash Flood Warnings in Virginia, 2011Flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.