Alert archive / North Carolina / Flash Flood Warnings in 2015
Flash Flood Warning 3, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Apr 19, 2015, 6:47 PM EDT for Carroll County, Grayson County, Virginia; Alleghany County, Surry County, Wilkes County, North Carolina. It was in force for 6 hr. 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
- Apr 19, 2015, 6:47 PM EDT (22:47 UTC)
- Expired
- Apr 20, 2015, 12:45 AM EDT
- In force
- 6 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Alleghany County, NC, Surry County, NC, Wilkes County, NC, Carroll County, VA, Grayson County, VA
The radar
The Roanoke radar (KFCX), 113 km from the middle of the area, began a volume at 22:48 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 19, 9:30 PM EDT | FLASH FLOOD | 3 Wnw Cana, VA | MUDSLIDE REPORTED ON FLOWER GAP ROAD NEAR THE INTERSECTION WITH WILLIAM DRIVE...LIKELY AIDED BY HILLY TERRAIN AND LITTLE PAULS CREEK |
| Apr 19, 10:30 PM EDT | FLASH FLOOD | 5 Ne Ennice, VA | NUMEROUS ROADS CLOSED DUE TO WATER FLOWING OVER THEM IN THE SOUTHEAST CORNER OF GRAYSON COUNTY...ESPECIALLY ALONG GLADY FORK AND CHESTNUT CREEK...FIRST REPORTS OF FLOODING STARTED AT 7 PM THIS EVENING AND ARE STILL ONGOING |
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, 10.8 hours before the alert went out and 122 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
- 52 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 945 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
838
WGUS51 KRNK 192247
FFWRNK
NCC005-171-193-VAC035-077-200445-
/O.NEW.KRNK.FF.W.0003.150419T2247Z-150420T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
647 PM EDT SUN APR 19 2015
THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN SURRY COUNTY IN NORTH CENTRAL NORTH CAROLINA...
NORTHWESTERN WILKES COUNTY IN NORTHWESTERN NORTH CAROLINA...
ALLEGHANY COUNTY IN NORTHWESTERN NORTH CAROLINA...
SOUTHEASTERN GRAYSON COUNTY IN SOUTHWESTERN VIRGINIA...
SOUTH CENTRAL CARROLL COUNTY IN SOUTHWESTERN VIRGINIA...
* UNTIL 1245 AM EDT MONDAY
* AT 644 PM EDT...DOPPLER RADAR INDICATED BANDS OF MODERATE TO HEAVY
RAINFALL INCREASING ACROSS THE REGION. THIS WILL RESULT IN HEAVIER
RAINFALL RATES OVER THE NEXT COUPLE OF HOURS WHICH MAY LEAD TO
FLASH FLOODING.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SPARTA... CANA... WILBAR... AND TRAPHILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF FLOODING...
INCLUDING MUDSLIDES OR ROAD CLOSURES...TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS
AND PICTURES CAN ALSO BE SHARED ON THE NATIONAL WEATHER SERVICE
BLACKSBURG FACEBOOK PAGE AND ON TWITTER.
&&
LAT...LON 3612 8153 3619 8146 3625 8147 3626 8143
3629 8141 3629 8137 3636 8137 3637 8125
3650 8122 3667 8084 3668 8062 3657 8065
3639 8095 3625 8123
$$
JH2 follow-up statements
767
WGUS71 KRNK 200009
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
809 PM EDT SUN APR 19 2015
NCC005-171-193-VAC035-077-200445-
/O.CON.KRNK.FF.W.0003.000000T0000Z-150420T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SURRY NC-WILKES NC-ALLEGHANY NC-GRAYSON VA-CARROLL VA-
809 PM EDT SUN APR 19 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT FOR
NORTHWESTERN SURRY...NORTHWESTERN WILKES...ALLEGHANY...SOUTHEASTERN
GRAYSON AND SOUTH CENTRAL CARROLL COUNTIES...
AT 807 PM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE WARNED
AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING
WAS OCCURRING WHERE GLADY FORK CREEK FLOWS INTO CHESNUT CREEK WITH
MANY OTHER CREEKS AND STREAMS LIKELY FLOODED ACROSS THE REGION..
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GALAX...
SPARTA...
CANA...
WILBAR...
AND TRAPHILL.
ANOTHER INCH OR TWO OF RAIN WILL BE POSSIBLE DURING THE NEXT HOUR OR
TWO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF FLOODING...
INCLUDING MUDSLIDES OR ROAD CLOSURES...TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS
AND PICTURES CAN ALSO BE SHARED ON THE NATIONAL WEATHER SERVICE
BLACKSBURG FACEBOOK PAGE AND ON TWITTER.
&&
LAT...LON 3612 8153 3619 8146 3625 8147 3626 8143
3629 8141 3629 8137 3636 8137 3637 8125
3650 8122 3667 8084 3668 8062 3657 8065
3639 8095 3625 8123
$$
JH699
WGUS71 KRNK 200250
FFSRNK
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1050 PM EDT SUN APR 19 2015
NCC005-171-193-VAC035-077-200445-
/O.CON.KRNK.FF.W.0003.000000T0000Z-150420T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SURRY NC-WILKES NC-ALLEGHANY NC-GRAYSON VA-CARROLL VA-
1050 PM EDT SUN APR 19 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM EDT FOR
NORTHWESTERN SURRY...NORTHWESTERN WILKES...ALLEGHANY...SOUTHEASTERN
GRAYSON AND SOUTH CENTRAL CARROLL COUNTIES...
AT 1049 PM EDT...DOPPLER RADAR INDICATED THAT HEAVY RAIN WAS PULLING
OUT OF THE WARNED AREA. HOWEVER...RUNOFF FROM EARLIER RAINFALL WILL
CONTINUE TO CAUSE FLOODING FOR THE NEXT 1 TO 2 HOURS.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GALAX...
SPARTA...
CANA...
WILBAR...
AND TRAPHILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
WHEN IT IS SAFE TO DO SO...PLEASE SEND YOUR REPORTS OF FLOODING...
INCLUDING MUDSLIDES OR ROAD CLOSURES...TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE AT 1...8 6 6...2 1 5...4 3 2 4. REPORTS
AND PICTURES CAN ALSO BE SHARED ON THE NATIONAL WEATHER SERVICE
BLACKSBURG FACEBOOK PAGE AND ON TWITTER.
&&
LAT...LON 3612 8153 3619 8146 3625 8147 3626 8143
3629 8141 3629 8137 3636 8137 3637 8125
3650 8122 3667 8084 3668 8062 3657 8065
3639 8095 3625 8123
$$
MBSThe office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 5:08 PM EDT | Areal Flood Advisory | RNK | Carroll, Grayson | 8 hr |
| Apr 19, 6:57 PM EDT | Areal Flood Warning | RNK | Carroll, Patrick | 6 hr |
| Apr 19, 7:53 PM EDT | Areal Flood Warning | RNK | Carroll, Floyd, Grayson, Patrick, City of Galax | 12 hr |
| Apr 19, 3:25 PM EDT | Areal Flood Advisory | RNK | Ashe, Watauga | 6 hr |
| Apr 19, 6:25 PM EDT | Flash Flood Warning | RNK | Ashe, Watauga | 6 hr |
Nearby
Flash Flood Warnings in North Carolina, 2015Flash Flood Warnings in Virginia, 2015Every flash flood warning in 2015
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.