Alert archive / North Carolina / Flash Flood Warnings in 2004

Flash Flood Warning 2, NWS Blacksburg, VA

May 8, 2004Ashe County, North Carolina

NWS Blacksburg, VA issued this flash flood warning at May 8, 2004, 5:54 PM EDT for Ashe 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
May 8, 2004, 5:54 PM EDT (21:54 UTC)
Expired
May 8, 2004, 9:00 PM EDT
In force
3 hr
Issued by
NWS Blacksburg, VA
Area
Counties, with a storm outline in the text

County Ashe County, NC

The radar

The Roanoke radar (KFCX), 124 km from the middle of the area, began a volume at 21:54 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, 9.9 hours before the alert went out and 154 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 2004-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 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 2004-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -66 square meters per square second.1939Sfc1 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
32 J/kg
Mixed-layer CIN
-462 J/kg
Mixed-layer LCL
1254 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-66 m²/s²
0-3 km storm-relative helicity
-49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KRNK 082158
FFWRNK
NCC009-090100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
554 PM EDT SAT MAY 8 2004

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN ASHE COUNTY IN NORTHWEST NORTH CAROLINA

* UNTIL 900 PM EDT

* AT 552 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM A THUNDERSTORM NEAR NELLA...OR ABOUT OVER
  LANSING. THE STORM PRODUCING FLASH FLOODING WAS NEARLY STATIONARY.

* THE THUNDERSTORM PRODUCING FLASH FLOODING WILL REMAIN NEARLY STATIONARY...  
  BETWEEN LANSING AND NELLA CAUSING FLASH FLOODING ALONG HELTON      
  CREEK...BIG HORSE CREEK...AND JERD BRANCH.

IF YOU LIVE IN THESE AREAS...MOVE TO HIGHER GROUND. DO NOT CROSS 
FLOODED ROADWAYS. TURN AROUND...AND SEEK AN ALTERNATE ROUTE.

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

LAT...LON 3658 8160 3648 8160 3645 8137 3657 8143

$$


05
1 follow-up statement
000 
WGUS71 KRNK 082259
FFSRNK
NCC009-090100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
654 PM EDT SAT MAY 8 2004

...A FLASH FLOOD WARNING CONTINUES UNTIL 900 PM EDT FOR NORTHERN ASHE
COUNTY...

AT 653 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL ACROSS NORTHERN 
ASHE COUNTY. ONE STORM WAS LOCATED NEAR LANSING. ANOTHER 
THUNDERSTORM WAS LOCATED IN NORTHWESTERN ASHE COUNTY. THESE 
THUNDERSTORMS WITH EXCESSIVE RAIN WAS NEARLY STATIONARY.

FLASH FLOODING CAN EXPECTED ALONG THE FOLLOWING CREEKS AND 
STREAMS...HELTON CREEK...BIG HORSE CREEK...AND BIG LAUREL CREEK. 

REPORT ANY SIGNIFICANT FLOODING TO LOCAL LAW ENFORCEMENT OFFICIALS
AND ASK THEM TO IMMEDIATELY RELAY THE REPORT TO THE NATIONAL WEATHER
SERVICE OFFICE IN BLACKSBURG.

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
FOR HIGHER GROUND. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES.

LAT...LON 3658 8167 3648 8169 3645 8137 3657 8142

$$

05

Nearby

Flash Flood Warnings in North Carolina, 2004Every flash flood warning in 2004

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.