watch

Flash Flood Watch Issued

By ARLnow.com

The National Weather Service has issued a Flash Flood Watch for Arlington and the D.C. area.

The watch is in effect through midnight. Forecasters say slow-moving storms may result in heavy rain and isolated flooding.

… FLASH FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT…

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF MARYLAND… THE DISTRICT OF COLUMBIA AND NORTHERN VIRGINIA… INCLUDING THE FOLLOWING AREAS… IN MARYLAND… ANNE ARUNDEL… CHARLES… HARFORD… HOWARD… MONTGOMERY… NORTHERN BALTIMORE… PRINCE GEORGES AND SOUTHERN BALTIMORE. THE DISTRICT OF COLUMBIA. IN NORTHERN VIRGINIA… ARLINGTON/FALLS CHURCH/ALEXANDRIA… FAIRFAX AND PRINCE WILLIAM/MANASSAS/MANASSAS PARK.

* UNTIL MIDNIGHT EDT TONIGHT

* SLOW MOVING SHOWERS AND THUNDERSTORMS ARE LIKELY OVER THE AREA THROUGH THIS EVENING. LOCALLY HEAVY RAINFALL IS EXPECTED IN THE STRONGER STORMS WITH RAINFALL RATES IN EXCESS OF 2 INCHES PER HOUR.

* IN TARGETED AREAS THAT RECEIVE HEAVY DOWNPOURS FOR LONGER THAN 30 MINUTES… FLASH FLOODING MAY BEGIN QUICKLY. BE AWARE OF LOW AREAS THAT MAY FLOOD. NEVER CROSS ROADS THAT ARE FLOODED. TURN AROUND DON’T DROWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.

Flash Flood Watch Issued for Area

By ARLnow.com

Arlington and the D.C. area is under a flash flood watch tonight.

Forecasters say storms and periods of very heavy rain are expected this afternoon and tonight. The sudden downpours may result in flash flooding.

The rain may also bring some temporary relief from the heat. Today’s high predicted high temperature is 92 degrees.

From the National Weather Service:

* FROM 1 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT

* TROPICAL MOISTURE WILL REMAIN OVER THE AREA THROUGH MOST OF TONIGHT. SHOWERS AND THUNDERSTORMS ARE LIKELY… ESPECIALLY LATE THIS AFTERNOON THROUGH LATE THIS EVENING. RAINFALL RATES IN HEAVIER SHOWERS AND THUNDERSTORMS MAY EXCEED 2 INCHES PER HOUR.

* IN TARGETED AREAS THAT RECEIVE TORRENTIAL RAIN FOR LONGER THAN 30 MINUTES… FLASH FLOODING MAY BEGIN QUICKLY AND IN A VERY LOCALIZED AREA. BE AWARE OF LOW AREAS THAT MAY FLOOD. NEVER CROSS ROADS THAT ARE FLOODED. TURN AROUND DONT DROWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.

Severe Thunderstorm Watch Issued

By ARLnow.com

Lightning flashes over the District (file photo)Arlington and the rest of the D.C. area is under a Severe Thunderstorm Watch this evening.

The storm watch is in effect through 8:00 p.m. Forecasters say today’s sweltering temperatures may fuel strong storms with large hail and winds as high as 70 mph.

The weather danger will continue tomorrow (Thursday). The National Weather Service says damaging wind and heavy rain is possible as the high heat lingers:

SHOWERS AND THUNDERSTORMS ARE LIKELY THURSDAY AND THURSDAY NIGHT. LOCALLY HEAVY RAINFALL IS EXPECTED AND THIS WILL POSE A THREAT FOR FLASH FLOODING. THUNDERSTORMS WILL ALSO BE CAPABLE OF PRODUCING LOCALLY DAMAGING WIND GUSTS AND LARGE HAIL…ESPECIALLY DURING THE AFTERNOON AND EVENING.

Morning Notes

By ARLnow.com

Plane above the runway at DCA, Reagan National Airport (Flickr pool photo by John Sonderman)

Another Flash Flood Watch — It’s Friday the 13th and Arlington is under another Flash Flood Watch today. The watch is in effect from noon through 10:00 p.m. Forecasters say an approaching cold front will spawn scattered showers and thunderstorms, some of which will be strong and result in very heavy rain. [National Weather Service]

Library to Launch Tool Lending — Arlington residents will soon be able to use their library cards to borrow garden tools from Arlington Central Library. The library is currently looking for volunteers to run and maintain its new “tool library,” which was established after being set as a priority by the county’s Urban Agriculture Task Force last year. [Arlington Public Library]

Va. Lawmakers Pass Budget After Impasse — Republicans in the Virginia Senate passed a budget Thursday night that thwarts an expansion of Medicaid, which had been sought by Democrats. Republicans were able to pass the budget after a Democratic lawmaker resigned and shifted the balance of power in the Senate to the GOP. [Richmond Times-Dispatch]

‘KidicalMass’ Bike Ride Sunday — For Father’s Day, a group of parents and their kids will be taking part in a “KidicalMass” bike ride from Hayes Park to Larry’s Homemade Ice Cream in Clarendon Sunday evening. [Blogspot]

Blues Fest Road Closures — The annual Columbia Pike Blues Festival will be held Saturday and several road closures, including the closure of Walter Reed Drive north of Columbia Pike, are planned as a result. The road closures will be in effect from about 7:30 a.m. to 10:00 p.m. [Arlington County]

Flickr pool photo by John Sonderman

Arlington Under Tornado Watch Tonight

By ARLnow.com

Arlington County and the D.C. region is under a tornado watch until 9:00 tonight.

Forecasters say that severe thunderstorms are likely between 4:00 and 8:00 p.m. Tornadoes are possible as part of the expected severe weather outbreak.

From the National Weather Service:

… SEVERE THUNDERSTORMS LIKELY THIS AFTERNOON AND EVENING ALONG WITH THE POTENTIAL FOR ISOLATED TORNADOES…

WITH TEMPERATURES REACHING THE MID-TO-UPPER 80S WITHIN AND SOUTH OF THE WASHINGTON DC METROPOLITAN AREA… THE REGION IS UNDER THE THREAT OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING. SOME OF THESE STORMS WILL LIKELY CONTAIN DAMAGING WIND… FREQUENT CLOUD- TO-GROUND LIGHTNING… AND LARGE HAIL. ADDITIONALLY… TORNADOES ARE POSSIBLE IN A FEW OF THE STRONGEST THUNDERSTORMS. THE MOST LIKELY TIME FOR SEVERE WEATHER IS BETWEEN 400 PM AND 800 PM EDT.

THE AREA MOST VULNERABLE FOR SEVERE WEATHER IS NORTH OF INTERSTATE 64 ACROSS VIRGINIA’S NORTH-CENTRAL PIEDMONT AND WEST OF INTERSTATE 95 SOUTH OF THE CITY OF BALTIMORE MARYLAND TO FREDERICKSBURG VIRGINIA. THIS INCLUDES THE GREATER WASHINGTON DC AND BALTIMORE METROPOLITAN AREAS… HAGERSTOWN MARYLAND… THE NORTHERN AND CENTRAL SHENANDOAH VALLEY… AND CHARLOTTESVILLE VIRGINIA.

RESIDENTS AND VISITORS TO THIS REGION… ALONG WITH MARINERS ON THE CHESAPEAKE BAY AND TIDAL POTOMAC RIVER… SHOULD HAVE AN INCREASED AWARENESS OF THE THREAT OF HAZARDOUS WEATHER THIS AFTERNOON AND EVENING.

IF A SEVERE WEATHER WARNING IS ISSUED… SEEK SHELTER INDOORS IMMEDIATELY… PREFERABLY IN A BASEMENT OR THE LOWEST LEVEL OF A STURDY BUILDING. IF YOU ARE IN A BOAT… SEEK SAFE HARBOR IMMEDIATELY.

Flash Flood Watch Issued

By ARLnow.com

Storm clouds over D.C., as seen from Pentagon City on 6/10/14

A Flash Flood Watch has been issued for Arlington County and much of the surrounding D.C. and Baltimore region.

The watch is in effect from 2:00 p.m. to 2:00 a.m. Wednesday. Forecasters with the National Weather Service say that heavy rain predicted tonight may cause flash flooding.

The watch was issued as Prince George’s County, Md. begins to dry out following torrential rains and dangerous flash flooding this morning.

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF MARYLAND… THE DISTRICT OF COLUMBIA AND NORTHERN VIRGINIA… INCLUDING THE FOLLOWING AREAS… IN MARYLAND… ANNE ARUNDEL… CARROLL… FREDERICK MD… HARFORD… HOWARD… MONTGOMERY… NORTHERN BALTIMORE… PRINCE GEORGES AND SOUTHERN BALTIMORE. THE DISTRICT OF COLUMBIA. IN NORTHERN VIRGINIA… ARLINGTON/FALLS CHURCH/ALEXANDRIA… FAIRFAX… LOUDOUN AND PRINCE WILLIAM/MANASSAS/MANASSAS PARK.

* THROUGH LATE TONIGHT

* HEAVY RAIN HAS ALREADY FALLEN OVER PORTIONS OF NORTHERN VIRGINIA… CENTRAL MARYLAND… AND WASHINGTON DC TODAY. THERE IS THE POSSIBILITY THAT MORE HEAVY RAIN WILL FALL WITH THUNDERSTORMS THIS AFTERNOON. ANY STORMS THAT FORM WILL HAVE THE POTENTIAL TO PRODUCE FLASH FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.

Severe Thunderstorm Watch Issued

By ARLnow.com

Lightning flashes over the District (file photo)

Arlington County and the surrounding D.C. area is under a Severe Thunderstorm Watch through 10:00 tonight.

Forecasters say severe thunderstorms may form later this afternoon and early this evening. From Arlington County:

Those with outdoor plans this evening should monitor the skies and be prepared for threatening weather. Lightning is the number one severe weather killer in the US. If you are outdoors and a storm approaches, seek safe shelter indoors.

A SEVERE THUNDERSTORM WATCH means conditions are favorable for severe storms in and close to the watch area. Severe thunderstorms can and occasionally do produce tornadoes with little or no advanced warning. Residents should be on the lookout for threatening weather conditions and listen for later statements and possible warnings.

From the National Weather Service:

DAMAGING THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING. RESIDENTS IN NORTHERN AND CENTRAL VIRGINIA…NORTHERN AND CENTRAL MARYLAND…AND THE EASTERN WEST VIRGINIA PANHANDLE SHOULD MONITOR THIS SITUATION VERY CLOSELY AND ENSURE YOUR NOAA WEATHER RADIOS ARE SET TO ALERT MODE. SEVERE WEATHER WARNINGS MAY BECOME NECESSARY.

HERE ARE SOME SAFETY RULES TO KEEP IN MIND WHEN SEVERE WEATHER IS EXPECTED OR IS OCCURRING.

IF A WARNING IS ISSUED…SEEK SHELTER INDOORS IMMEDIATELY. A SEVERE THUNDERSTORM IS DEFINED AS PRODUCING QUARTER SIZE OR GREATER HAIL AND WIND GUSTS OF 58 MPH OR MORE.

TORNADOES OFTEN FORM VERY RAPIDLY FROM SEVERE THUNDERSTORMS. IF YOU ARE IN A TORNADO WATCH…AND A SEVERE THUNDERSTORM WARNING IS ISSUED FOR YOUR AREA…MONITOR LOCAL CONDITIONS CLOSELY AND BE READY TO TAKE QUICK ACTION TO SAVE YOUR LIFE.

STAY TUNED TO NOAA WEATHER RADIO…COMMERCIAL RADIO OR TELEVISION FOR THE LATEST ON THIS POTENTIAL SEVERE WEATHER EVENT. ADDITIONAL WEATHER INFORMATION…CAN BE FOUND AT WEATHER.GOV/WASHINGTON OR WEATHER.GOV/BALTIMORE.

NWS Issues Tornado Watch

By ARLnow.com

Update at 12:40 p.m. — The tornado watch has been canceled.

Update at 12:30 p.m. — The cold front passed relatively quietly through Arlington, mostly producing light rain. Our tornado danger appears to be over.

The National Weather Service has issued a Tornado Watch for the Arlington County and the D.C. region through 5:00 p.m.

The watch signifies a slight chance of tornadoes from a cold front that will be moving through the area in the early afternoon. Thunderstorms and damaging winds are also possible with the front. From NWS:

THUNDERSTORMS CONTAINING DAMAGING WINDS AND ISOLATED TORNADOES ARE POSSIBLE OVER PORTIONS OF NORTHERN VIRGINIA…THE INTERSTATE 95 CORRIDOR AND POINTS EAST. RESIDENTS SHOULD MONITOR THIS SITUATION VERY CLOSELY AND ENSURE YOUR NOAA WEATHER RADIOS ARE SET TO ALERT MODE. SEVERE WEATHER WARNINGS MAY BECOME NECESSARY. HERE ARE SOME SAFETY RULES TO KEEP IN MIND WHEN SEVERE WEATHER IS EXPECTED OR IS OCCURRING.

IF A WARNING IS ISSUED…SEEK SHELTER INDOORS IMMEDIATELY. A SEVERE THUNDERSTORM IS DEFINED AS PRODUCING QUARTER SIZE OR GREATER HAIL AND WIND GUSTS OF 58 MPH OR MORE.

TORNADOES OFTEN FORM VERY RAPIDLY FROM SEVERE THUNDERSTORMS. IF YOU ARE IN A TORNADO WATCH…AND A SEVERE THUNDERSTORM WARNING IS ISSUED FOR YOUR AREA…MONITOR LOCAL CONDITIONS CLOSELY AND BE READY TO TAKE QUICK ACTION TO SAVE YOUR LIFE.

STAY TUNED TO NOAA WEATHER RADIO…COMMERCIAL RADIO OR TELEVISION FOR THE LATEST ON THIS POTENTIAL SEVERE WEATHER EVENT. ADDITIONAL WEATHER INFORMATION…CAN BE FOUND AT WEATHER.GOV/WASHINGTON OR WEATHER.GOV/BALTIMORE.

Arlington Under Flood Watch Through Midnight

By ARLnow.com

Arlington and the surrounding D.C. region is under a Flood Watch through midnight tonight.

Forecasters say 3-6 inches of rain has fallen since Wednesday and another 1-3 inches is expected tonight, raising the possibility of flooding. From the National Weather Service:

…FLOOD WATCH IN EFFECT UNTIL MIDNIGHT EDT TONIGHT…

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS EXPANDED
THE

* FLOOD WATCH TO INCLUDE PORTIONS OF MARYLAND…THE DISTRICT OF
COLUMBIA AND VIRGINIA…INCLUDING THE FOLLOWING AREAS…IN
MARYLAND…ANNE ARUNDEL…CALVERT…CHARLES…HOWARD…
MONTGOMERY…PRINCE GEORGES AND ST. MARYS. THE DISTRICT OF
COLUMBIA. IN VIRGINIA…ARLINGTON/FALLS CHURCH/ALEXANDRIA…
CULPEPER…FAIRFAX…GREENE…KING GEORGE…LOUDOUN…
MADISON…NORTHERN FAUQUIER…ORANGE…PRINCE
WILLIAM/MANASSAS/MANASSAS PARK…RAPPAHANNOCK…SOUTHERN
FAUQUIER…SPOTSYLVANIA AND STAFFORD.

* UNTIL MIDNIGHT EDT TONIGHT

* THREE TO SIX INCHES OF RAIN HAS ALREADY FALLEN SINCE WEDNESDAY
ACROSS THE GREATER WASHINGTON DC METRO AREA…CENTRAL MARYLAND
AND THE NORTHERN PIEDMONT REGION OF VIRGINIA. STEADY MODERATE TO
HEAVY RAIN CURRENTLY OVER NORTHERN VIRGINIA WILL SLOWLY SHIFT
SOUTHWARD THROUGH MIDNIGHT.

* ADDITIONAL AMOUNTS OF ONE TO LOCALLY THREE INCHES ARE POSSIBLE
THROUGH THIS EVENING. THIS AMOUNT OF RAINFALL WOULD CAUSE
FLOODING OF SMALL STREAMS AND URBAN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.

YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.

UPDATED: Arlington Under Severe Thunderstorm Warning

By Ethan Rothstein

Stormy sky over Rosslyn on 9/12/13

Arlington County is under a Severe Thunderstorm Watch until 10:00 p.m. tonight, according to the National Weather Service.

Forecasters say severe storms may form as a cold front approaches the area. From Arlington County:

The NWS has issued a Severe Thunderstorm Watch for the NCR, Northern Virginia, and Maryland, effective until 2200 tonight. A cold front will approach the area today and will produce numerous thunderstorms. A few of these storms will be capable of producing locally damaging wind gusts and large hail.

Update at 4:25 p.m. — The county is now under a Severe Thunderstorm Warning.

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR… THE DISTRICT OF COLUMBIA… SOUTHEASTERN MONTGOMERY COUNTY IN CENTRAL MARYLAND… CITY OF FAIRFAX IN NORTHERN VIRGINIA… CITY OF FALLS CHURCH IN NORTHERN VIRGINIA… ARLINGTON COUNTY IN NORTHERN VIRGINIA… CITY OF ALEXANDRIA IN NORTHERN VIRGINIA… WESTERN PRINCE GEORGES COUNTY IN CENTRAL MARYLAND… CENTRAL FAIRFAX COUNTY IN NORTHERN VIRGINIA…

* UNTIL 500 PM EDT

* AT 416 PM EDT…A SEVERE THUNDERSTORM WAS DETECTED NEAR POTOMAC… AND ANOTHER OVER FAIRFAX CITY. THOSE STORMS ARE FORECAST TO COMBINE OVER THE DISTRICT AS THE MOVE EAST AT 10 MPH. THESE STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.

* LOCATIONS IMPACTED INCLUDE… THE DISTRICT OF COLUMBIA… BETHESDA… AMERICAN UNIVERSITY… CHEVY CHASE… GEORGETOWN… TAKOMA PARK… LANGLEY PARK… WHITE OAK… HILLANDALE…

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH…MOVE INDOORS TO A STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO SO…REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE NATIONAL WEATHER SERVICE.

THIS STORM IS PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING. IF YOU CAN HEAR THUNDER…YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE INDOORS IMMEDIATELY.

Update at 4:35 p.m. — Reagan National Airport is currently under a ground stop due to storms.

Severe Thunderstorm Watch Issued

By ARLnow.com

Arlington is currently under a Severe Thunderstorm Watch as storms develop to the west of the immediate Metro area.

The watch is in effect through 10:00 p.m. From the National Weather Service:

CLUSTERS OF THUNDERSTORMS CAN BE EXPECTED THIS AFTERNOON AND EVENING. SOME OF THESE STORMS WILL BE CAPABLE OF BECOMING SEVERE…PRODUCING DAMAGING WIND GUSTS AND LARGE HAIL.

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