Alert archive / Virginia / Flash Flood Warnings in 2005
Flash Flood Warning 21, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at Apr 2, 2005, 10:28 PM EST for Fauquier County, Virginia. It was in force for 2 hr. 1 report 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 2, 2005, 10:28 PM EST (03:28 UTC)
- Expired
- Apr 3, 2005, 12:30 AM EST
- In force
- 2 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Counties, with a storm outline in the text
County Fauquier County, VA
The radar
The Sterling radar (KLWX), 39 km from the middle of the area, began a volume at 03:31 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 2, 10:30 PM EST | FLASH FLOOD | Warrenton, VA | ROAD CLOSURES THROUGHOUT THE COUNTY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Roanoke, VA (KRNK), launched 00:00Z, 3.5 hours before the alert went out and 228 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
- 32 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 765 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 116 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 KLWX 030331 FFWLWX VAC061-030530- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1028 PM EST SAT APR 2 2005 THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A * FLASH FLOOD WARNING FOR... FAUQUIER COUNTY IN NORTHERN VIRGINIA * UNTIL 1230 AM EST * AT 1019 PM EST...RADAR INDICATED AN AREA OF HEAVY RAIN OVER THE WARNED AREA. RADAR INDICATES THAT 3 TO 4 INCHES OF RAIN HAS ALREADY FALLEN OVER THE WARNED AREA. ANOTHER INCH WILL BE POSSIBLE THROUGH 1230 AM EST. THIS AMOUNT OF RAINFALL IS LIKELY TO CAUSE ADDITIONAL FLASH FLOODING. * SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN INCLUDE WARRENTON...AUBURN...CASANOCA...DELAPLANE...AND THE PLAINS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER MAY BE TOO DEEP TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 3876 7793 3863 7775 3893 7774 3892 7803 $$ GUYER
2 follow-up statements
000 WGUS71 KLWX 030426 FFSLWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1124 PM EST SAT APR 2 2005 VAC061-030530- FAUQUIER VA- 1124 PM EST SAT APR 2 2005 ...A FLASH FLOOD WARNING CONTINUES UNTIL 1230 AM EST FOR CENTRAL FAUQUIER COUNTY... AT 1118 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE MODERATE TO HEAVY RAIN PRODUCING FLASH FLOODING OVER THE WARNED AREA. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO REMINGTON... BEALETON...MIDLAND...CALVERTON...AND BRISTERSBURG. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER MAY BE TOO DEEP TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 3876 7793 3863 7775 3893 7774 3892 7803 $$ GUYER
000
WGUS71 KLWX 030529
FFSLWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1229 AM EST SUN APR 3 2005
MDC003-027-031-030539-
HOWARD MD-MONTGOMERY MD-ANNE ARUNDEL MD-
1229 AM EST SUN APR 3 2005
...THE FLASH FLOOD WARNING FOR ANNE ARUNDEL...EASTERN MONTGOMERY AND
HOWARD COUNTIES EXPIRES AT 1230 AM EST...
NO ADDITIONAL FLASH FLOODING IS EXPECTED AT THIS TIME.
LAT...LON 3904 7717 3910 7681 3879 7657 3912 7649
3931 7689 3926 7734
$$The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 11:58 PM EST | Flash Flood Warning | LWX | Arlington, City of Alexandria | 3 hr |
Nearby
Flash Flood Warnings in Virginia, 2005Every flash flood warning in 2005
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.