Alert archive / North Carolina / Flash Flood Warnings in 2011
Flash Flood Warning 63, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Aug 13, 2011, 8:57 PM EDT for Yadkin County, North Carolina. It was in force for 3 hr. 1 report 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
- Aug 13, 2011, 8:57 PM EDT (00:57 UTC)
- Expired
- Aug 13, 2011, 11:56 PM EDT
- In force
- 3 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
County Yadkin County, NC
The radar
The Roanoke radar (KFCX), 101 km from the middle of the area, began a volume at 00:56 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 |
|---|---|---|---|
| Aug 13, 10:15 PM EDT | FLASH FLOOD | 3 Ene Shacktown, NC | FOURBUSH CREEK OUT OF ITS BANKS AT 3709 JASPER ROAD. SEVERAL BASEMENTS OF LOCAL HOMES FLOODED. MEASURED 5.13 INCHES OF RAIN FOR THE EVENT. |
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 00:00Z, 1.0 hours before the alert went out and 60 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
- 1747 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 718 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
282
WGUS51 KRNK 140057
FFWRNK
NCC197-140700-
/O.NEW.KRNK.FF.W.0063.110814T0057Z-110814T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
857 PM EDT SAT AUG 13 2011
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN YADKIN COUNTY IN NORTHWEST NORTH CAROLINA
* UNTIL 300 AM EDT SUNDAY.
* AT 852 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 NEBO...ENON
AND EAST BEND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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 3614 8067 3620 8075 3623 8073 3623 8044
3613 8043 3611 8046 3611 8049 3608 8051
3608 8052
$$
DS2 follow-up statements
542
WGUS71 KRNK 140156
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
956 PM EDT SAT AUG 13 2011
NCC197-140700-
/O.CON.KRNK.FF.W.0063.000000T0000Z-110814T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
YADKIN NC-
956 PM EDT SAT AUG 13 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 AM EDT FOR
EASTERN YADKIN COUNTY...
AT 952 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE SHOWERS PRODUCING VERY HEAVY RAIN OVER THE WARNED AREA.
BASINS OF GREATEST CONCERN FOR FLASH FLOODING INCLUDE LITTLE DEEP
CREEK...LITTLE ELKIN CREEK...AND LOGAN CREEK.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ENON...NEBO
AND EAST BEND
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
&&
LAT...LON 3614 8067 3620 8075 3623 8073 3623 8044
3613 8043 3611 8046 3611 8049 3608 8051
3608 8052
$$
DS987
WGUS71 KRNK 140356
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1156 PM EDT SAT AUG 13 2011
NCC197-140407-
/O.CAN.KRNK.FF.W.0063.000000T0000Z-110814T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
YADKIN NC-
1156 PM EDT SAT AUG 13 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EASTERN YADKIN
COUNTY...
LAT...LON 3614 8067 3620 8075 3623 8073 3623 8044
3613 8043 3611 8046 3611 8049 3608 8051
3608 8052
$$
PHThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:13 PM EDT | Flash Flood Warning | RNK | Surry, Yadkin | 3 hr |
| Aug 13, 8:21 PM EDT | Severe Thunderstorm Warning | RNK | Yadkin | 54 min |
| Aug 13, 9:09 PM EDT | Special Weather Statement | RNK | Yadkin | 51 min |
| Aug 14, 1:21 AM EDT | Special Weather Statement | RNK | Ashe | 54 min |
| Aug 14, 4:14 PM EDT | Severe Thunderstorm Warning | RNK | Rockingham, Stokes | 61 min |
| Aug 14, 5:03 PM EDT | Special Weather Statement | RNK | Rockingham | 42 min |
| Aug 14, 5:36 PM EDT | Special Weather Statement | RNK | Caswell, Rockingham | 54 min |
| Aug 14, 5:51 PM EDT | Severe Thunderstorm Warning | RNK | Stokes, Surry | 54 min |
| Aug 14, 6:43 PM EDT | Special Weather Statement | RNK | Stokes, Surry | 62 min |
| Aug 14, 7:28 PM EDT | Special Weather Statement | RNK | Yadkin | 62 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.