Alert archive / Maryland / Flash Flood Warnings in 2005
Flash Flood Warning 14, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at Mar 29, 2005, 12:30 AM EST for Allegany County, Maryland. 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 counties it named.
The facts
- Issued
- Mar 29, 2005, 12:30 AM EST (05:30 UTC)
- Expired
- Mar 29, 2005, 3:30 AM EST
- In force
- 3 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Counties, with a storm outline in the text
County Allegany County, MD
The radar
The Sterling radar (KLWX), 127 km from the middle of the area, began a volume at 05:30 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, 5.5 hours before the alert went out and 134 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 620 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Mar 28, 10:04 PM EST, 2 hours 26 minutes earlier.
Area forecast discussion, Mar 28, 10:04 PM EST, 2 hours 26 minutes before
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</html>Hazardous weather outlook, Mar 28, 11:58 AM EST, 12 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1158 AM EST MON MAR 28 2005 DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ025>031-036>042-050>056- WVZ048>055-291000- ALBEMARLE VA-ALLEGANY MD-ANNE ARUNDEL MD- ARLINGTON/FALLS CHURCH/ALEXANDRIA VA-AUGUSTA VA-BERKELEY WV- CALVERT MD-CARROLL MD-CHARLES MD-CLARKE VA-CULPEPER VA- DISTRICT OF COLUMBIA DC-FAIRFAX VA-FAUQUIER VA-FREDERICK VA- FREDERICK MD-GRANT WV-GREENE VA-HAMPSHIRE WV-HARDY WV-HARFORD MD- HOWARD MD-JEFFERSON WV-LOUDOUN VA-MADISON VA-MINERAL WV- MONTGOMERY MD-MORGAN WV-NELSON VA-NORTHERN BALTIMORE MD-ORANGE VA- PAGE VA-PENDLETON WV-PRINCE GEORGES MD- PRINCE WILLIAM/MANASSAS/MANASSAS PARK VA-RAPPAHANNOCK VA- ROCKINGHAM VA-SHENANDOAH VA-SOUTHERN BALTIMORE MD-SPOTSYLVANIA VA- ST. MARYS MD-STAFFORD VA-WARREN VA-WASHINGTON MD- 1158 AM EST MON MAR 28 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MARYLAND WEST OF THE CHESAPEAKE BAY AND EAST OF GARRETT COUNTY...EASTERN WEST VIRGINIA...NORTHERN AND CENTRAL VIRGINIA AND WASHINGTON DC. .DAY ONE... FLOODING WILL BE POSSIBLE OVER MUCH OF MARYLAND...THE EASTERN PANHANDLE OF WEST VIRGINIA AND PORTIONS OF NORTHERN VIRGINIA THIS AFTERNOON. ONE TO TWO INCHES OF RAINFALL CAN BE EXPECTED MAINLY ALONG AND NORTHWEST OF A LINE FROM ANNAPOLIS MARYLAND TO STAFFORD VIRGINIA TO WAYNESBORO VIRGINIA. CONSULT THE LATEST FLOOD WATCH MESSAGE UNDER WMO HEADER WGUS61 KLWX OR AWIPS HEADER WBCFFALWX FOR DETAILS. ISOLATED SEVERE THUNDERSTORMS MAY BE POSSIBLE OVER PORTIONS OF NORTHERN VIRGINIA AND LOWER SOUTHERN MARYLAND...MAINLY IN THE AFTERNOON. CONSULT THE SEVERE WEATHER OUTLOOK UNDER WMO HEADER WWUS81 KLWX OR AWIPS IDENTIFIER SPSLWX FOR DETAILS. .DAYS TWO THROUGH SEVEN... MONDAYS RAINFALL WILL DRAIN INTO THE AREA RIVERS ON TUESDAY... RESULTING IN RISING RIVER LEVELS. MANY STAGES WILL EXCEED CAUTION...AND SOME MAY APPROACH FLOOD. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON. HTS/SMITH
In the hours before
Local storm report, Mar 28, 7:10 PM EST, 5 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
710 PM EST MON MAR 28 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0704 PM FLASH FLOOD MIDDLETOWN 39.44N 77.54W
03/28/2005 FREDERICK MD COUNTY OFFICIAL
A DOZEN ROADS UNDERWATER COUNTY WIDE.
0704 PM FLASH FLOOD HAGERSTOWN 39.64N 77.72W
03/28/2005 WASHINGTON MD COUNTY OFFICIAL
ROADS UNDERWATER COUNTY WIDE. WATER IN HOMES COUNTY WIDE.
&&
NLISTEMAALocal storm report, Mar 28, 8:23 PM EST, 4 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
823 PM EST MON MAR 28 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0715 PM FLASH FLOOD 5 S POOLESVILLE 39.07N 77.41W
03/28/2005 MONTGOMERY MD COUNTY OFFICIAL
HIGH WATER AT JUNCTION OF RIVER ROAD AND WEST WILLIARD
ROAD.
0715 PM FLASH FLOOD 6 NE HERNDON 39.03N 77.31W
03/28/2005 FAIRFAX VA COUNTY OFFICIAL
HIGH WATER ON BEACH MILL ROAD.
0715 PM FLASH FLOOD 3 E FAIRFAX 38.85N 77.24W
03/28/2005 FAIRFAX VA COUNTY OFFICIAL
HIGH WATER ON PROSPERITY AVENUE.
0715 PM FLASH FLOOD 5 E HERNDON 38.97N 77.29W
03/28/2005 FAIRFAX VA COUNTY OFFICIAL
HIGH WATER ON BROWNS MILL ROAD.
&&
CMEADOWSLocal storm report, Mar 28, 8:56 PM EST, 3 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
856 PM EST MON MAR 28 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0830 PM FLASH FLOOD 2 E MOUNT SAVAGE 39.70N 78.84W
03/28/2005 ALLEGANY MD COUNTY OFFICIAL
BARRELVILLE ROAD CLOSED DUE TO HIGH WATER.
0830 PM FLASH FLOOD ELLERSLIE 39.72N 78.77W
03/28/2005 ALLEGANY MD COUNTY OFFICIAL
ROUTE 35 CLOSED DUE TO HIGH WATER.
0830 PM FLASH FLOOD FROSTBURG 39.65N 78.93W
03/28/2005 ALLEGANY MD COUNTY OFFICIAL
ALLEY ROAD CLOSED DUE TO HIGH WATER.
&&
CMEADOWSLocal storm report, Mar 28, 11:08 PM EST, 1 hour 22 minutes before
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</html>Local storm report, Mar 29, 12:10 AM EST, 20 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 |
|---|---|---|---|---|
| Mar 28, 7:40 PM EST | Flash Flood Warning | LWX | Fairfax, City of Fairfax, City of Falls Church | 3 hr |
| Mar 28, 7:15 PM EST | Flash Flood Warning | LWX | Frederick, Washington | 3 hr |
| Mar 28, 8:35 PM EST | Flash Flood Warning | LWX | Allegany | 4 hr |
| Mar 28, 10:00 PM EST | Flash Flood Warning | LWX | Frederick, Washington | 4 hr |
| Mar 29, 2:01 AM EST | Flash Flood Warning | LWX | Washington | 3 hr |
| Mar 29, 5:03 AM EST | Flash Flood Warning | LWX | Washington | 117 min |
| Mar 28, 7:00 PM EST | Flash Flood Warning | LWX | Hampshire | 3 hr |
| Mar 28, 9:50 PM EST | Flash Flood Warning | LWX | Hampshire | 4 hr |
Nearby
Flash Flood Warnings in Maryland, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.