Alert archive / Virginia / Flash Flood Warnings in 2006
Flash Flood Warning 37, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at Jun 25, 2006, 8:51 PM EDT for Arlington County, City of Alexandria, City of Falls Church, Virginia. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 25, 2006, 8:51 PM EDT (00:51 UTC)
- Expired
- Jun 26, 2006, 12:45 AM EDT
- In force
- 4 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Counties, with a storm outline in the text
Counties Arlington County, VA, City of Alexandria, VA, City of Falls Church, VA
The radar
The Sterling radar (KLWX), 36 km from the middle of the area, began a volume at 00:51 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 0.9 hours before the alert went out and 28 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
- 494 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 720 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.5
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Baltimore/Washington wrote its last area forecast discussion before this flash flood warning went out at Jun 25, 4:09 PM EDT, 4 hours 42 minutes earlier.
Area forecast discussion, Jun 25, 4:09 PM EDT, 4 hours 42 minutes before
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</html>Hazardous weather outlook, Jun 25, 4:35 PM EDT, 4 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 435 PM EDT SUN JUN 25 2006 ANZ530>537-DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021- 025>031-036>042-050>057-WVZ048>055-261000- CHESAPEAKE BAY NORTH OF POOLES ISLAND MD- CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD- CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD- CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD- CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA- TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD- TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD- TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA- DISTRICT OF COLUMBIA-ALLEGANY-WASHINGTON-FREDERICK MD-CARROLL- NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE- PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-HIGHLAND- AUGUSTA-ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE- NELSON-ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-FAUQUIER-LOUDOUN- ORANGE-CULPEPER-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX- ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA- KING GEORGE-GRANT-MINERAL-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON- PENDLETON-HARDY- 435 PM EDT SUN JUN 25 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MARYLAND WEST OF THE EASTERN SHORE INCLUDING THE CHESAPEAKE BAY AND EAST OF GARRETT COUNTY...EASTERN WEST VIRGINIA...NORTHERN AND CENTRAL VIRGINIA... WASHINGTON DC AND THE TIDAL POTOMAC RIVER. .DAY ONE...TONIGHT A FLASH FLOOD WATCH REMAINS IN EFFECT OVERNIGHT FOR MOST OF THE OUTLOOK AREA FOR POTENTIAL FLASH FLOOD CONDITIONS. AN ADDITIONAL TWO TO FOUR INCHES OF RAINFALL IS POSSIBLE THROUGH MONDAY MORNING ACROSS MUCH OF THE AREA... PARTICULARLY FOR LOCATIONS WEST OF THE BLUE RIDGE MOUNTAINS. WIDESPREAD FLOODING OF SMALL STREAMS AND CREEKS AND LOW LYING AREAS IS LIKELY TO BECOME A SIGNIFICANT PROBLEM OVERNIGHT. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A STATIONARY FRONT WILL REMAIN OVER OR NEAR THE REGION THROUGH MIDWEEK CONTINUING THE THREAT FOR SHOWERS AND THUNDERSTORMS. GIVEN THE HIGH MOISTURE CONTENT OF THE ATMOSPHERE...SOME STORMS COULD PRODUCE HEAVY RAINFALL. ADDITIONAL MOISTURE WILL MOVE NORTH THROUGH MID WEEK FROM A TROPICAL AIRMASS OVER THE SOUTHEAST STATES...THIS MAY BRING RENEWED CONCERNS FOR FLASH FLOODING AND RIVER FLOODING. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS AND EMERGENCY OFFICIALS...PLEASE RELAY ANY REPORTS OF FLOODING TO THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA. RAINFALL TOTALS WOULD ALSO BE APPRECIATED. JB
In the hours before
Local storm report, Jun 25, 5:05 PM EDT, 3 hours 46 minutes before
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</html>Local storm report, Jun 25, 6:10 PM EDT, 2 hours 41 minutes before
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</html>Local storm report, Jun 25, 6:42 PM EDT, 2 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
642 PM EDT SUN JUN 25 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0630 PM FLASH FLOOD KEENE 37.87N 78.56W
06/25/2006 ALBEMARLE VA COUNTY OFFICIAL
HIGH WATER ON ROUTE 20. OFFICIALS REPORT MULTIPLE ROADS
IN SOUTHEAST PART OF COUNTY CLOSED DUE TO FLASH FLOODING.
&&
WOODCOCKLocal storm report, Jun 25, 8:06 PM EDT, 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
806 PM EDT SUN JUN 25 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0735 PM FLASH FLOOD GERMANTOWN 39.18N 77.26W
06/25/2006 MONTGOMERY MD EMERGENCY MNGR
4-5 WATER RESCUES ACROSS CENTRAL MONTGOMERY COUNTY DUE TO
FLASH FLOODING
&&
ROGOWSKILocal storm report, Jun 25, 8:35 PM EDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
835 PM EDT SUN JUN 25 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0530 PM FLASH FLOOD MANASSAS 38.75N 77.49W
06/25/2006 CITY OF MANASSAS VA EMERGENCY MNGR
WELLINGTON ROAD CLOSED DUE TO FLASH FLOODING
0805 PM FLASH FLOOD MANASSAS 38.75N 77.49W
06/25/2006 CITY OF MANASSAS VA EMERGENCY MNGR
LITEN HALL ROAD CLOSED DUE TO FLASH FLOODING
&&
ROGOWSKILocal storm report, Jun 25, 8:42 PM EDT, 9 minutes before
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</html>The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 11:43 PM EDT | Flash Flood Warning | LWX | Highland | 4 hr |
| Jun 26, 12:26 AM EDT | Flash Flood Warning | LWX | Arlington, City of Alexandria, City of Falls Church | 3 hr |
| Jun 26, 3:44 AM EDT | Flash Flood Warning | LWX | Highland | 3 hr |
| Jun 26, 6:41 AM EDT | Coastal Flood Statement | LWX | Arlington, Fairfax, King George, Stafford, City of Alexandria, City of Fairfax and 1 more | 109 min |
| Jun 26, 8:30 AM EDT | Coastal Flood Warning | LWX | Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church | 4 hr |
| Jun 26, 9:34 AM EDT | Flash Flood Warning | LWX | Augusta, Highland, City of Staunton, City of Waynesboro | 6 hr |
| Jun 26, 10:49 AM EDT | Flash Flood Warning | LWX | Rockingham, City of Harrisonburg | 4 hr |
| Jun 26, 11:09 AM EDT | Flash Flood Warning | LWX | Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church | 6 hr |
| Jun 26, 12:13 PM EDT | Flash Flood Warning | LWX | Fauquier, Prince William, City of Manassas, City of Manassas Park | 6 hr |
| Jun 26, 1:06 PM EDT | Flash Flood Warning | LWX | Culpeper, Orange, Spotsylvania, Stafford, City of Fredericksburg | 6 hr |
| Jun 26, 1:17 PM EDT | Flash Flood Warning | LWX | Loudoun | 3 hr |
| Jun 26, 2:22 PM EDT | Flash Flood Warning | LWX | Nelson | 6 hr |
| Jun 26, 4:56 PM EDT | Flash Flood Warning | LWX | Arlington, Fairfax, City of Alexandria, City of Fairfax, City of Falls Church | 6 hr |
| Jun 26, 5:39 PM EDT | Special Marine Warning | LWX | 96 min | |
| Jun 26, 6:08 PM EDT | Flash Flood Warning | LWX | Prince William, City of Manassas, City of Manassas Park | 6 hr |
| Jun 25, 8:16 PM EDT | Flash Flood Warning | LWX | Baltimore, City of Baltimore | 4 hr |
| Jun 25, 10:13 PM EDT | Flash Flood Warning | LWX | Harford | 3 hr |
| Jun 25, 10:14 PM EDT | Flash Flood Warning | LWX | Prince George's | 3 hr |
| Jun 25, 10:51 PM EDT | Flash Flood Warning | LWX | Montgomery | 4 hr |
| Jun 25, 11:04 PM EDT | Flash Flood Warning | LWX | Howard | 4 hr |
| Jun 26, 1:01 AM EDT | Flash Flood Warning | LWX | Harford | 119 min |
| Jun 26, 2:32 AM EDT | Flash Flood Warning | LWX | Allegany | 4 hr |
| Jun 26, 4:37 AM EDT | Flash Flood Warning | LWX | Washington | 3 hr |
| Jun 26, 11:15 AM EDT | Flash Flood Warning | LWX | Anne Arundel | 4 hr |
| Jun 26, 11:31 AM EDT | Flash Flood Warning | LWX | Baltimore, Harford, City of Baltimore | 6 hr |
| Jun 26, 1:16 PM EDT | Flash Flood Warning | LWX | Howard | 6 hr |
| Jun 26, 3:34 PM EDT | Flash Flood Warning | LWX | Carroll | 6 hr |
| Jun 26, 7:09 PM EDT | Flash Flood Warning | LWX | Howard | 6 hr |
Nearby
Flash Flood Warnings in Virginia, 2006Every flash flood warning in 2006
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.