Alert archive / Maryland / River Flood Warnings in 2011

River Flood Warning 43, NWS Baltimore/Washington

April 19, 2011Garrett County, Maryland; Mineral County, West Virginia

NWS Baltimore/Washington issued this river flood warning at Apr 19, 2011, 3:39 PM EDT for Garrett County, Maryland; Mineral County, West Virginia. It took effect at Apr 19, 2011, 4:00 PM EDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Apr 19, 2011, 3:39 PM EDT (19:39 UTC)
In effect from: Apr 19, 2011, 4:00 PM EDT
Expired: Apr 19, 2011, 7:49 PM EDT
In force: 4 hr
Issued by: NWS Baltimore/Washington
Flood severity: Minor

Counties Garrett County, MD, Mineral County, WV

The radar

The Sterling radar (KLWX), 150 km from the middle of the area, began a volume at 19:40 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 river

Written for the forecast point North Branch Potomac River at Kitzmiller (KITM2). The gauge peaked at 9.04 ft at Apr 19, 2011, 5:00 PM EDT.

Action stage: 8 ft
Minor stage: 9 ft
Moderate stage: 12 ft
Major stage: 15 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01595500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river 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 river flood warning went out at Apr 19, 2:40 PM EDT, 59 minutes earlier.

Area forecast discussion, Apr 19, 2:40 PM EDT, 59 minutes before

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Hazardous weather outlook, Apr 19, 1:54 PM EDT, 1 hour 45 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
154 PM EDT TUE APR 19 2011

ANZ530>543-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057-
201000-
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-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
PATUXENT RIVER TO BROOMES ISLAND MD-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND-DISTRICT OF COLUMBIA-NORTHERN BALTIMORE-HARFORD-
SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-
CALVERT-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA-
KING GEORGE-
154 PM EDT TUE APR 19 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MARYLAND PORTION OF THE
CHESAPEAKE BAY...TIDAL POTOMAC RIVER...AND ADJACENT COUNTIES IN
CENTRAL MARYLAND AND NORTHERN VIRGINIA AS WELL AS THE DISTRICT OF
COLUMBIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A COASTAL FLOOD ADVISORY IS IN EFFECT THROUGH THIS EVENING FOR
AREAS ALONG THE TIDAL POTOMAC RIVER AT WASHINGTON DC.

A SMALL CRAFT ADVISORY IS IN EFFECT TONIGHT FOR THE TIDAL POTOMAC
RIVER AND MARYLAND CHESAPEAKE BAY SOUTH OF NORTH BEACH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A STRONG COLD FRONT WILL MOVE THROUGH THE MID ATLANTIC WEDNESDAY.
THUNDERSTORMS THAT DEVELOP AHEAD OF THE FRONT WEDNESDAY AFTERNOON
AND EVENING MAY BECOME SEVERE.

A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE WATERS WEDNESDAY. A
SMALL CRAFT ADVISORY IS IN EFFECT FOR THE MARYLAND CHESAPEAKE BAY
AND LOWER TIDAL POTOMAC RIVER WEDNESDAY NIGHT.

A SMALL CRAFT ADVISORY MAY BE NEEDED FOR THE WATERS THURSDAY AND
FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY WEDNESDAY.

MDZ003>005-009-010-501-502-VAZ025>031-036>040-042-050-051-501>504-
WVZ050>053-055-501>506-201000-
WASHINGTON-FREDERICK MD-CARROLL-MONTGOMERY-HOWARD-
EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-AUGUSTA-
ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-NELSON-
ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-LOUDOUN-ORANGE-CULPEPER-
NORTHERN FAUQUIER-SOUTHERN FAUQUIER-WESTERN HIGHLAND-
EASTERN HIGHLAND-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY-
WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL-
WESTERN PENDLETON-EASTERN PENDLETON-
154 PM EDT TUE APR 19 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN WEST VIRGINIA...
NORTHERN AND CENTRAL VIRGINIA...AND CENTRAL AND WESTERN MARYLAND
WITH THE EXCEPTION OF GARRETT COUNTY.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A FLOOD WATCH IS IN EFFECT UNTIL 6 PM FOR NORTHERN
MARYLAND...EASTERN WEST VIRGINIA...AND PORTIONS OF THE SHENANDOAH
VALLEY IN VIRGINIA. PLEASE REFER TO THE LATEST HAZARD MESSAGE
/FFALWX/ FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

A COLD FRONT WILL MOVE THROUGH THE MID ATLANTIC WEDNESDAY.
THUNDERSTORMS THAT DEVELOP AHEAD OF THE FRONT WEDNESDAY AFTERNOON
AND EVENING MAY BECOME SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY WEDNESDAY.

In the hours before

Local storm report, Apr 19, 2:52 PM EDT, 47 minutes before

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Local storm report, Apr 19, 3:05 PM EDT, 34 minutes before

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Local storm report, Apr 19, 3:09 PM EDT, 30 minutes before

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Local storm report, Apr 19, 3:12 PM EDT, 27 minutes before

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Local storm report, Apr 19, 3:17 PM EDT, 22 minutes before

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Local storm report, Apr 19, 3:22 PM EDT, 17 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
Apr 19, 1:15 AM EDT	Small Craft Advisory	LWX		67 hr
Apr 19, 7:33 AM EDT	Small Craft Advisory	LWX		60 hr
Apr 19, 9:54 AM EDT	Flood Watch	LWX	Clarke, Frederick, Shenandoah, City of Winchester	8 hr
Apr 19, 7:41 PM EDT	Special Marine Warning	LWX		50 min
Apr 19, 9:45 AM EDT	Areal Flood Warning	LWX	Allegany	6 hr
Apr 19, 10:11 AM EDT	River Flood Warning	LWX	Allegany	5 hr
Apr 19, 12:17 PM EDT	Areal Flood Warning	LWX	Allegany	12 hr
Apr 19, 3:47 PM EDT	Special Weather Statement	LWX	Howard, City of Baltimore	28 min
Apr 19, 4:58 PM EDT	Areal Flood Warning	LWX	Allegany	7 hr
Apr 19, 5:31 PM EDT	Special Weather Statement	LWX	Allegany	59 min
Apr 19, 9:52 AM EDT	Special Weather Statement	LWX	Grant, Mineral	53 min

Nearby

River Flood Warnings in Maryland, 2011 River Flood Warnings in West Virginia, 2011 Every river flood warning in 2011

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; the gauge from the NWS water service and the USGS.