Alert archive / North Carolina / Flash Flood Warnings in 2003

Flash Flood Warning 53, NWS Blacksburg, VA

August 8, 2003Wilkes County, North Carolina

NWS Blacksburg, VA issued this flash flood warning at Aug 8, 2003, 4:37 PM EDT for Wilkes County, North Carolina. It was in force for 3 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
Aug 8, 2003, 4:37 PM EDT (20:37 UTC)
Expired
Aug 8, 2003, 7:30 PM EDT
In force
3 hr
Issued by
NWS Blacksburg, VA
Area
Counties, with a storm outline in the text

County Wilkes County, NC

The radar

The Roanoke radar (KFCX), 116 km from the middle of the area, began a volume at 20:38 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, 8.6 hours before the alert went out and 121 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2003-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 810 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2003-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
810 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS51 KRNK 082040
FFWRNK
NCC193-082330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
437 PM EDT FRI AUG 8 2003

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWEST WILKES COUNTY IN NORTHWEST NORTH CAROLINA

* UNTIL 730 PM EDT

* AT 437 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A BAND OF 
  SHOWERS AND THUNDERSTORMS PERSISTING OVER NORTHWEST WILKES COUNTY. 
  RADAR ESTIMATED THAT NEARLY 2 INCHES OF RAIN HAD FALLEN SINCE 
  3:00 PM. AN ADDITIONAL 1 TO 2 INCHES CAN BE EXPECTED DURING THE
  NEXT COUPLE OF HOURS...WHICH WILL PRODUCE FLASH FLOODING ALONG THE
  NORTH FORK OF THE REDDIES RIVER AND DARNELL CREEK. STATE ROADS 1501
  AND 1567 ARE ALSO LIKELY TO SEE SOME FLOODING.

* SOME LOCATIONS THREATENED BY HEAVY RAIN THROUGH 730 PM EDT INCLUDE
  VANNOY...

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

RELAY REPORTS OF FLOODING TO THE NATIONAL WEATHER SERVICE IN
BLACKSBURG BY CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.

LAT...LON 3641 8112 3621 8116 3611 8140 3637 8130

$$

10
3 follow-up statements
000 
WGUS71 KRNK 082149
FFSRNK
NCC193-082345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
547 PM EDT FRI AUG 8 2003

...A FLASH FLOOD WARNING CONTINUES FOR THE FOLLOWING COUNTY UNTIL
730 PM EDT...

  NORTHWEST WILKES COUNTY IN NORTHWEST NORTH CAROLINA

AT 548 PM...WEATHER RADAR INDICATED THAT HEAVY RAIN ACROSS THE WARNED 
AREA HAD TAPERED OFF TO LIGHTER SHOWERS. HOWEVER RUNOFF FROM THE 
EARLIER HEAVY DOWNPOURS WILL LIKELY CAUSE SMALLER STREAMS TO FLOOD IN 
THE WILBAR AREA THROUGH 7:30 PM.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO
HIGHER GROUND.

RELAY YOUR REPORTS OF FLOODING TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.

$$

JH
000 
WGUS71 KRNK 082150 CCA
FFSRNK
NCC193-082345-

FLASH FLOOD STATEMENT...CORRECTED TIME
NATIONAL WEATHER SERVICE BLACKSBURG VA
547 PM EDT FRI AUG 8 2003

...A FLASH FLOOD WARNING CONTINUES FOR THE FOLLOWING COUNTY UNTIL
730 PM EDT...

  NORTHWEST WILKES COUNTY IN NORTHWEST NORTH CAROLINA

AT 546 PM...WEATHER RADAR INDICATED THAT HEAVY RAIN ACROSS THE WARNED 
AREA HAD TAPERED OFF TO LIGHTER SHOWERS. HOWEVER RUNOFF FROM THE 
EARLIER HEAVY DOWNPOURS WILL LIKELY CAUSE SMALLER STREAMS TO FLOOD IN 
THE WILBAR AREA THROUGH 7:30 PM.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO
HIGHER GROUND.

RELAY YOUR REPORTS OF FLOODING TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.

$$

JH
000 
WGUS71 KRNK 082237
FFSRNK
NCC193-082330-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
636 PM EDT FRI AUG 8 2003

...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT UNTIL 730 PM EDT FOR

  NORTHWEST WILKES COUNTY IN NORTHWEST NORTH CAROLINA

HAS BEEN CANCELLED.

THE HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN
THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE
FLASH FLOOD THREAT. EVEN THOUGH STREAMS AND CREEKS WERE RECEDING...
SOME ROADWAYS STILL MAY BE COVERED WITH WATER. MOTORISTS ARE ADVISED
TO AVOID DRIVING THROUGH FLOODED ROADWAYS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. 

RELAY YOUR REPORTS OF FLOODING TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1...8 6 6...2 1 5...4 3 2 4.

$$

JH

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 8, 7:21 PM EDTFlash Flood WarningRNKSurry3 hr

Nearby

Flash Flood Warnings in North Carolina, 2003Every flash flood warning in 2003

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.