Alert archive / North Carolina / Flash Flood Warnings in 2004

Flash Flood Warning 3, NWS Blacksburg, VA

May 8, 2004Ashe County, North Carolina

NWS Blacksburg, VA issued this flash flood warning at May 8, 2004, 8:55 PM EDT for Ashe County, North Carolina. It was in force for 2 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, 8:55 PM EDT (00:55 UTC)
Expired: May 8, 2004, 11:00 PM EDT
In force: 2 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), 129 km from the middle of the area, began a volume at 00:57 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 00:00Z, 0.9 hours before the alert went out and 155 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1276 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 873 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 119 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 090100
FFWRNK
NCC009-090300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
855 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 1100 PM EDT

* AT 852 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES
  THAT SINCE AROUND 600 PM...BETWEEN TWO AND FIVE INCHES OF RAIN HAVE
  FALLEN ACROSS THE NORTHERN PORTION OF ASHE COUNTY. ADDITIONAL HEAVY
  RAINFALL WILL BE POSSIBLE OVER THE AREA THROUGH AT LEAST 1000 
  PM WHICH WILL EXACERBATE THE FLASH FLOODING CONCERN.   
  
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SHATLEY
  SPRINGS...NELLA...GRASSY CREEK AND FLATWOOD.

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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

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 3643 8171 3641 8130 3657 8136 3658 8167

$$

DS

2 follow-up statements

000 
WGUS71 KRNK 090209
FFSRNK
NCC009-090300-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1007 PM EDT SAT MAY 8 2004

...A FLASH FLOOD WARNING CONTINUES FOR THE FOLLOWING COUNTIES UNTIL
1100 PM EDT...

  NORTHERN ASHE COUNTY IN NORTHWEST NORTH CAROLINA

THE HEAVY RAIN PRODUCING THUNDERSTORMS WHICH PROMPTED THE FLASH 
FLOOD WARNING HAVE EXITED THE REGION TO THE EAST. ACCUMULATING 
RUNOFF IN LOW LYING AREAS IS STILL POSSIBLE THROUGH 1100 
PM...THEREFORE...THE WARNING WILL BE ALLOWED TO CONTINUE. AREAS IN 
GREATEST CONCERN FOR FLASH FLOODING INCLUDE BUT ARE NOT LIMITED TO 
SHATLEY SPRINGS...NELLA...GRASSY CREEK AND FLATWOOD.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.

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.

$$

DS

000 
WGUS71 KRNK 090312
FFSRNK
NCC009-090345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
1112 PM EDT SAT MAY 8 2004

...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR NORTHERN ASHE
COUNTY HAS EXPIRED AS OF 1100 PM EDT...

THE HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN 
THE WARNED AREA SHOULD 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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF WATER COVERED ROADS.

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.

$$

JJ

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 10:31 PM EDT	Severe Thunderstorm Warning	RNK	Wilkes	44 min
May 9, 3:45 AM EDT	Severe Thunderstorm Warning	RNK	Surry	45 min
May 9, 3:52 AM EDT	Severe Thunderstorm Warning	RNK	Stokes	38 min

Nearby

Flash Flood Warnings in North Carolina, 2004 Every 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.