Scuddz Posted July 15, 2014 Share Posted July 15, 2014 Storm north of Bowie... IMG_20140715_135517_626.jpg Sweet pileus Link to comment Share on other sites More sharing options...
AlaskaETC Posted July 15, 2014 Share Posted July 15, 2014 Radar starting to fill in. Link to comment Share on other sites More sharing options...
arlwx Posted July 15, 2014 Share Posted July 15, 2014 URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 423 NWS STORM PREDICTION CENTER NORMAN OK 145 PM EDT TUE JUL 15 2014 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHWEST CONNECTICUT DISTRICT OF COLUMBIA DELAWARE CENTRAL AND EASTERN MARYLAND NORTHERN NORTH CAROLINA NEW JERSEY SOUTHEAST NEW YORK SOUTHEAST PENNSYLVANIA CENTRAL AND EASTERN VIRGINIA EASTERN WEST VIRGINIA PANHANDLE COASTAL WATERS * EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 145 PM UNTIL 900 PM EDT. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTHWEST OF BRIDGEPORT CONNECTICUT TO 25 MILES WEST SOUTHWEST OF SOUTH HILL VIRGINIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. && DISCUSSION...THUNDERSTORMS ARE INTENSIFYING WITHIN A MOIST AND UNSTABLE AIRMASS FROM THE NYC AREA SOUTHWESTWARD INTO NORTHERN NC. RATHER STRONG WINDS ALOFT AND DEGREE OF INSTABILITY WILL PROMOTE THE RISK OF DAMAGING DOWNBURST WINDS THROUGH MUCH OF THE AFTERNOON. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24030. Link to comment Share on other sites More sharing options...
arlwx Posted July 15, 2014 Share Posted July 15, 2014 Marine now issued. BULLETIN - IMMEDIATE BROADCAST REQUESTEDSPECIAL MARINE WARNINGNATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC200 PM EDT TUE JUL 15 2014THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A* SPECIAL MARINE WARNING FOR... TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD... TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD...* UNTIL 400 PM EDT* AT 158 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING WIND GUSTS IN EXCESS OF 34 KT 8 NM SOUTHWEST OF BRENT POINT...MOVING NORTHEAST AT 20 KNOTS.* THIS THUNDERSTORM WILL BE NEAR... TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD.PRECAUTIONARY/PREPAREDNESS ACTIONS...WIND GUSTS OF AT LEAST 34 KNOTS...LARGE HAIL...LOCALLY HIGH WAVES ANDDANGEROUS LIGHTNING CAN BE EXPECTED. BOATERS SHOULD SEEK SAFE HARBORIMMEDIATELY UNTIL THIS STORM PASSES.&& Link to comment Share on other sites More sharing options...
Kmlwx Posted July 15, 2014 Author Share Posted July 15, 2014 Still no warnings except for that special marine warning that just went out. Not seeing any impressive areas of rotation at this point either. Radar really lighting up though! Link to comment Share on other sites More sharing options...
snowfan Posted July 15, 2014 Share Posted July 15, 2014 SE Baltimore Co. is going to get it good with two cells lining up. Link to comment Share on other sites More sharing options...
Ian Posted July 15, 2014 Share Posted July 15, 2014 Still no warnings except for that special marine warning that just went out. Not seeing any impressive areas of rotation at this point either. Radar really lighting up though! No wedges.. bust. Link to comment Share on other sites More sharing options...
Kmlwx Posted July 15, 2014 Author Share Posted July 15, 2014 Bethesda about to get nailed with heavy rain. Link to comment Share on other sites More sharing options...
wxmeddler Posted July 15, 2014 Share Posted July 15, 2014 Lost power there for a minute.. interesting. Link to comment Share on other sites More sharing options...
87storms Posted July 15, 2014 Share Posted July 15, 2014 Very little wind but cg strikes and heavy rain with the cells near montgomery mall Link to comment Share on other sites More sharing options...
Kmlwx Posted July 15, 2014 Author Share Posted July 15, 2014 Warning for that storm. Link to comment Share on other sites More sharing options...
Kmlwx Posted July 15, 2014 Author Share Posted July 15, 2014 My base velocity is showing a little patch of around 50mph winds at around 1100 feet near Bethesda. Link to comment Share on other sites More sharing options...
Eskimo Joe Posted July 15, 2014 Share Posted July 15, 2014 First SVR for Moco - DC - PG Link to comment Share on other sites More sharing options...
Bob Chill Posted July 15, 2014 Share Posted July 15, 2014 Not much wind but great long duration booms. Link to comment Share on other sites More sharing options...
Kmlwx Posted July 15, 2014 Author Share Posted July 15, 2014 Have one of my lightning icons showing 728 strikes in the last 20 minutes (including cloud-to-cloud) in the MoCo cell. Might be wrong. Link to comment Share on other sites More sharing options...
snowfan Posted July 15, 2014 Share Posted July 15, 2014 cell after cell firing up in NW AA Co. and moving into SE Baltimore/Baltimore Co. Link to comment Share on other sites More sharing options...
arlwx Posted July 15, 2014 Share Posted July 15, 2014 The trouble with all this house construction in Arlington VA: 1.. I can't tell if a rumble means thunder or a megatruck carrying mounds of ex-hillside from point A to point B. 2. I won't know if a landslip from point B down over point A onto the roadway is happening unless it spills all the way onto I-395. (the overall slope was even steeper than The Hill Of Doom (mymark), so they wouldn't let the housebuilders put a street through.) Link to comment Share on other sites More sharing options...
wxmeddler Posted July 15, 2014 Share Posted July 15, 2014 TBWI is down. Link to comment Share on other sites More sharing options...
Eskimo Joe Posted July 15, 2014 Share Posted July 15, 2014 Sub-severe hail report in Bethesda: https://nwschat.weather.gov/lsr/#LWX/201407151810/201407151810/0100 Link to comment Share on other sites More sharing options...
Eskimo Joe Posted July 15, 2014 Share Posted July 15, 2014 Have one of my lightning icons showing 728 strikes in the last 20 minutes (including cloud-to-cloud) in the MoCo cell. Might be wrong. Are you sure your feed is for CG only? It could be including cloud-to-cloud. Link to comment Share on other sites More sharing options...
Kmlwx Posted July 15, 2014 Author Share Posted July 15, 2014 Are you sure your feed is for CG only? It could be including cloud-to-cloud. Yeah it's set to include C2C Link to comment Share on other sites More sharing options...
Eskimo Joe Posted July 15, 2014 Share Posted July 15, 2014 Getting reports of wires down in Bethesda. Link to comment Share on other sites More sharing options...
Kmlwx Posted July 15, 2014 Author Share Posted July 15, 2014 Rain, nice thunder, no wind. Link to comment Share on other sites More sharing options...
Kmlwx Posted July 15, 2014 Author Share Posted July 15, 2014 Getting reports of wires down in Bethesda. Makes sense - core of best winds went through there. Link to comment Share on other sites More sharing options...
jpljr77 Posted July 15, 2014 Share Posted July 15, 2014 Can confirm that Bethesda hail (second-hand). Wife just reported nickel-sized hail around River Road just inside the Beltway. Link to comment Share on other sites More sharing options...
AmericanWxFreak Posted July 15, 2014 Share Posted July 15, 2014 Meh Link to comment Share on other sites More sharing options...
87storms Posted July 15, 2014 Share Posted July 15, 2014 Sun peeking thru a little here now Link to comment Share on other sites More sharing options...
ThePhotoGuy Posted July 15, 2014 Share Posted July 15, 2014 Pouring... Road is like a river now... Link to comment Share on other sites More sharing options...
MN Transplant Posted July 15, 2014 Share Posted July 15, 2014 Down 10 degrees from the high and barely a drop of rain. Never stood a chance once the initial FFx/Loudoun cell threw the outflow. Link to comment Share on other sites More sharing options...
StudentOfClimatology Posted July 15, 2014 Share Posted July 15, 2014 Got whiffed, but family in Chevy Chase was using the T-word to describe that storm. Saying penny sized hail and trees down everywhere Link to comment Share on other sites More sharing options...
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