Alert archive / Virginia / Flash Flood Warnings in 2004
Flash Flood Warning 4, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at May 10, 2004, 6:32 PM EDT for Tazewell County, Virginia; Mercer County, West Virginia. 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 10, 2004, 6:32 PM EDT (22:32 UTC)
- Expired
- May 10, 2004, 9:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Counties, with a storm outline in the text
Counties Tazewell County, VA, Mercer County, WV
The radar
The Roanoke radar (KFCX), 95 km from the middle of the area, began a volume at 22:36 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
Roanoke, VA (KRNK), launched 12:00Z, 10.5 hours before the alert went out and 156 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
- 35 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 1486 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KRNK 102232 FFWRNK VAC185-WVC055-110130- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BLACKSBURG VA 632 PM EDT MON MAY 10 2004 THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A * FLASH FLOOD WARNING FOR... MERCER COUNTY IN SOUTHEAST WEST VIRGINIA TAZEWELL COUNTY IN SOUTHWEST VIRGINIA * UNTIL 930 PM EDT * AT 626 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM NEAR POCAHONTAS...OR ABOUT 7 MILES NORTHWEST OF BLUEFIELD...MOVING NORTHEAST AT 10 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WENONAH...SPANISHBURG...SANDLICK...MONTCALM...MERCER CO AIRPORT... KEGLEY...BRAMWELL AND BOISSEVAIN. 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. 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 3729 8140 3722 8134 3748 8094 3756 8119 $$ DS
2 follow-up statements
000 WGUS71 KRNK 110006 FFSRNK VAC185-WVC055-110130- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 803 PM EDT MON MAY 10 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 930 PM EDT FOR MERCER AND TAZEWELL COUNTIES... AT 800 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO SHOW LIGHT TO MODERATE RAIN FALLING OVER THE WARNED AREA. CUMULATED RUN OFF FROM THE VERY HEAVY RAIN EARLIER THIS EVENING...IN ADDITIONAL TO THE RAIN WHICH CONTINUES TO FALL...STILL HAS THE POTENTIAL TO PRODUCE FLASH FLOODING. AS SUCH...THE WARNING WILL BE ALLOWED TO CONTINUE. COMMUNITIES WITH THE GREATEST CONCERN FOR FLASH FLOODING INCLUDE POCAHONTAS...BRAMWELL...AND MONTCALM. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLOODING IS OBSERVED...ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN BLACKSBURG. LAT...LON 3729 8140 3722 8134 3748 8094 3756 8119 $$ DS
000 WGUS71 KRNK 110124 FFSRNK VAC185-WVC055-110130- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BLACKSBURG VA 921 PM EDT MON MAY 10 2004 ...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 930 PM EDT FOR MERCER AND TAZEWELL COUNTIES... AT 920 PM EDT...ONLY VERY LIGHT RAIN REMAINED OVER THE WARNING AREA. GIVEN THIS...AND THE FACT NO FLOODING HAS BEEN REPORTED...THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. IF YOU DID EXPERIENCE ANY FLOODING IN YOUR AREA...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN BLACKSBURG. LAT...LON 3729 8140 3722 8134 3748 8094 3756 8119 $$ DS
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 8:04 PM EDT | Severe Thunderstorm Warning | RNK | Montgomery | 41 min |
| May 9, 8:33 PM EDT | Severe Thunderstorm Warning | RNK | Pittsylvania | 57 min |
| May 10, 4:50 PM EDT | Severe Thunderstorm Warning | RNK | Floyd | 55 min |
| May 10, 5:30 PM EDT | Severe Thunderstorm Warning | RNK | Montgomery, Pulaski, City of Radford | 60 min |
Nearby
Flash Flood Warnings in Virginia, 2004Flash Flood Warnings in West Virginia, 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.