Alert archive / Maryland / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 176, NWS Baltimore/Washington

July 13, 20145 counties in Maryland

NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 13, 2014, 9:17 PM EDT for 5 counties in Maryland. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 13, 2014, 9:17 PM EDT (01:17 UTC)
Expired: Jul 13, 2014, 9:45 PM EDT
In force: 28 min
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon

Counties Anne Arundel County, MD, Baltimore County, MD, Howard County, MD, Montgomery County, MD, Prince George's County, MD

The radar

The Sterling radar (KLWX), 59 km from the middle of the area, began a volume at 01:18 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 13, 7:49 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jul 13, 8:16 PM EDT, 1 hour 1 minute earlier.

Area forecast discussion, Jul 13, 8:16 PM EDT, 1 hour 1 minute before

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Hazardous weather outlook, Jul 13, 4:11 PM EDT, 5 hours 6 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
411 PM EDT SUN JUL 13 2014

ANZ530>543-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057-
140915-
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-
411 PM EDT SUN JUL 13 2014

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...TONIGHT

A FEW THUNDERSTORMS MAY BE CAPABLE OF PRODUCING DAMAGING WIND
GUSTS THIS EVENING.

A SMALL CRAFT ADVISORY IS IN EFFECT THROUGH TONIGHT FOR PORTIONS
OF THE WATERS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE SMALL CRAFT ADVISORY CONTINUES FOR MARYLAND WATERS SOUTH OF
SANDY POINT MONDAY MORNING.

THUNDERSTORMS WILL BE MORE NUMEROUS MONDAY AND TUESDAY. SEVERE
THUNDERSTORMS...CAPABLE OF DAMAGING WIND GUSTS AND LARGE HAIL...WILL
BE POSSIBLE EACH DAY. AN ISOLATED TORNADO CANNOT BE RULED OUT LATE
MONDAY. IN ADDITION...ANY THUNDERSTORM WILL PRODUCE VERY HEAVY
RAINFALL AND MAY RESULT IN LOCALIZED FLASH FLOODING.

MINOR COASTAL FLOODING IS POSSIBLE AT SENSITIVE LOCATIONS ALONG
THE WESTERN SHORELINE OF THE CHESAPEAKE BAY AND UPPER TIDAL
POTOMAC DURING HIGH TIDE MONDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY LATE MONDAY AND POSSIBLE ON TUESDAY
AS WELL.

MDZ003>005-009-010-501-502-VAZ025>031-036>040-042-050-051-501>504-
WVZ050>053-055-501>506-140915-
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-
411 PM EDT SUN JUL 13 2014

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...TONIGHT

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF THE
EASTERN PANHANDLE OF WEST VIRGINIA AND WESTERN MARYLAND UNTIL 11 PM.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THUNDERSTORMS WILL BE MORE NUMEROUS MONDAY AND TUESDAY. THERE IS A
SLIGHT RISK OF SEVERE THUNDERSTORMS...CAPABLE OF DAMAGING WIND
GUSTS...LARGE HAIL...AND AN ISOLATED TORNADO LATE MONDAY. THERE IS
AN ISOLATED SEVERE RISK ON TUESDAY...PRIMARILY EAST OF THE BLUE
RIDGE. IN ADDITION...ANY THUNDERSTORM WILL PRODUCE VERY HEAVY
RAINFALL AND MAY RESULT IN LOCALIZED FLASH FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS IN EFFECT FOR THE EASTERN PANHANDLE OF WEST
VIRGINIA AND WESTERN MARYLAND. THIS WILL LIKELY BE NEEDED LATE
MONDAY AND POSSIBLE ON TUESDAY AS WELL.

In the hours before

Local storm report, Jul 13, 8:01 PM EDT, 1 hour 16 minutes before

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Local storm report, Jul 13, 8:22 PM EDT, 55 minutes before

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Local storm report, Jul 13, 8:26 PM EDT, 51 minutes before

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Local storm report, Jul 13, 8:41 PM EDT, 36 minutes before

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Local storm report, Jul 13, 8:43 PM EDT, 34 minutes before

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Local storm report, Jul 13, 8:45 PM EDT, 32 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
Jul 13, 8:24 PM EDT	Severe Thunderstorm Warning	LWX	Clarke, Fauquier, Loudoun, Prince William	36 min
Jul 13, 8:40 PM EDT	Special Marine Warning	LWX		2 hr
Jul 13, 9:02 PM EDT	Special Marine Warning	LWX		118 min
Jul 14, 12:25 AM EDT	Special Marine Warning	LWX		2 hr
Jul 14, 1:56 PM EDT	Small Craft Advisory	LWX		9 hr
Jul 14, 2:57 PM EDT	Severe Thunderstorm Warning	LWX	Fauquier, Rappahannock, Warren	33 min
Jul 14, 3:10 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Fauquier, Rappahannock	35 min
Jul 14, 3:23 PM EDT	Special Marine Warning	LWX		97 min
Jul 14, 3:31 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Fauquier, Rappahannock	29 min
Jul 14, 3:47 PM EDT	Severe Thunderstorm Warning	LWX	Fairfax, Fauquier, Loudoun, Prince William, City of Fairfax, City of Manassas and 1 more	43 min
Jul 14, 3:53 PM EDT	Special Marine Warning	LWX		112 min
Jul 14, 4:52 PM EDT	Special Marine Warning	LWX		83 min
Jul 14, 5:11 PM EDT	Special Marine Warning	LWX		94 min
Jul 14, 5:29 PM EDT	Special Marine Warning	LWX		61 min
Jul 14, 5:57 PM EDT	Special Marine Warning	LWX		93 min
Jul 14, 6:11 PM EDT	Special Marine Warning	LWX		94 min
Jul 14, 6:38 PM EDT	Special Marine Warning	LWX		97 min
Jul 14, 7:52 PM EDT	Special Marine Warning	LWX		83 min
Jul 14, 7:59 PM EDT	Special Marine Warning	LWX		91 min
Jul 13, 8:07 PM EDT	Severe Thunderstorm Warning	LWX	Carroll, Frederick, Washington	38 min
Jul 13, 10:05 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Harford	40 min
Jul 14, 4:48 PM EDT	Severe Thunderstorm Warning	LWX	Baltimore, Harford	42 min
Jul 14, 4:57 PM EDT	Severe Thunderstorm Warning	LWX	Washington	33 min
Jul 14, 5:26 PM EDT	Severe Thunderstorm Warning	LWX	Anne Arundel, Prince George's	49 min
Jul 14, 5:30 PM EDT	Tornado Warning	LWX	Baltimore	30 min
Jul 14, 5:55 PM EDT	Tornado Warning	LWX	Baltimore, Harford	35 min
Jul 14, 6:51 PM EDT	Severe Thunderstorm Warning	LWX	Calvert, Saint Mary's	24 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2014 Every severe thunderstorm warning in 2014

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.