Alert archive / Maryland / Flash Flood Warnings in 2009

Flash Flood Warning 16, NWS Baltimore/Washington

June 3, 2009Baltimore County, Maryland

NWS Baltimore/Washington issued this flash flood warning at Jun 3, 2009, 10:10 PM EDT for Baltimore County, Maryland. 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 counties it named.

The facts

Issued: Jun 3, 2009, 10:10 PM EDT (02:10 UTC)
Expired: Jun 4, 2009, 12:15 AM EDT
In force: 2 hr
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Flood severity: None

County Baltimore County, MD

The radar

The Sterling radar (KLWX), 91 km from the middle of the area, began a volume at 02:12 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 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 3, 9:46 PM EDT, 24 minutes earlier.

Area forecast discussion, Jun 3, 9:46 PM EDT, 24 minutes before

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Hazardous weather outlook, Jun 3, 9:47 PM EDT, 23 minutes before

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In the hours before

Local storm report, Jun 3, 8:38 PM EDT, 1 hour 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
838 PM EDT WED JUN 03 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0645 PM     TSTM WND DMG     STANLEY                 38.58N  78.50W
06/03/2009                   PAGE               VA   EMERGENCY MNGR

            BUILDING MOVED OFF FOUNDATION. LARGE TREE INTO POULTRY
            BUILDING. SEVERAL LARGE TREES DOWN.

&&

STRONG

Local storm report, Jun 3, 8:48 PM EDT, 1 hour 22 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
848 PM EDT WED JUN 03 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0635 PM     HAIL             4 W FREDERICKSBURG      38.30N  77.56W
06/03/2009  E0.88 INCH       SPOTSYLVANIA       VA   COUNTY OFFICIAL

            NICKEL SIZED HAIL AND BLOWN DOWN TREE BRANCHES IN FOUR
            MILE FORK FALCON DR AND CLAY ST

&&

RDH

Special weather statement, Jun 3, 8:52 PM EDT, 1 hour 18 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
852 PM EDT WED JUN 3 2009

VAZ052-053-040130-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK VA-FAIRFAX VA-
852 PM EDT WED JUN 3 2009

...STRONG STORM TO AFFECT PRINCE WILLIAM/MANASSAS/MANASSAS PARK AND
FAIRFAX COUNTIES...

AT 852 PM EDT...DOPPLER RADAR INDICATED A SWATH OF GUSTY WINDS OVER
CENTREVILLE...MOVING EAST AT 30 MPH.

LOCATIONS THAT WILL LIKELY BE AFFECTED BY THIS STORM INCLUDE
OAKTON...BURKE...RESTON...MERRIFIELD...VIENNA...WOLF TRAP...THE I66
AND I495 INTERCHANGE...TYSONS CORNER AND ANNANDALE.

WIND GUSTS OF 40 TO 50 MPH CAN BE EXPECTED WITH THIS STORM.

KRAMAR

Local storm report, Jun 3, 9:33 PM EDT, 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
933 PM EDT WED JUN 03 2009

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0927 PM     FLASH FLOOD      2 SSE ARCOLA            38.92N  77.52W
06/03/2009                   LOUDOUN            VA   LAW ENFORCEMENT

            2.5 FEET OF STANDING WATER ON TALL CEDARS PARKWAY AND
            PLANTING FIELD DRIVE IN SOUTH RIDING.

&&

LEE

Local storm report, Jun 3, 9:42 PM EDT, 28 minutes before

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Local storm report, Jun 3, 10:00 PM EDT, 10 minutes before

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The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 3, 8:01 PM EDT	Severe Thunderstorm Warning	LWX	Fauquier, Prince William, City of Manassas	42 min
Jun 3, 8:33 PM EDT	Special Marine Warning	LWX		74 min
Jun 4, 4:11 AM EDT	Small Craft Advisory	LWX		44 hr
Jun 4, 4:28 AM EDT	Flood Watch	LWX	Arlington, Clarke, Culpeper, Fairfax, Frederick, Greene and 20 more	38 hr
Jun 3, 9:21 PM EDT	Flash Flood Warning	LWX	City of Baltimore	3 hr

Nearby

Flash Flood Warnings in Maryland, 2009 Every flash flood warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.