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4 products issued by NWS for: 3 Miles NW Great Falls VA
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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
104 AM EDT WED JUL 1 2015

ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-011115-
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-SOUTHERN BALTIMORE-PRINCE GEORGES-
ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-SOUTHEAST HARFORD-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA-
KING GEORGE-
104 AM EDT WED JUL 1 2015

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

ISOLATED STRONG TO SEVERE THUNDERSTORMS WITH DAMAGING WINDS AND
HEAVY RAIN RESULTING IN FLASH FLOODING WILL BE POSSIBLE THROUGH
THE EARLY MORNING HOURS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

$$



Severe Weather Statement

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1257 AM EDT WED JUL 1 2015

DCC001-MDC017-031-033-VAC013-059-510-010515-
/O.CON.KLWX.SV.W.0166.000000T0000Z-150701T0515Z/
DISTRICT OF COLUMBIA DC-CHARLES MD-PRINCE GEORGES MD-MONTGOMERY MD-
FAIRFAX VA-CITY OF ALEXANDRIA VA-ARLINGTON VA-
1257 AM EDT WED JUL 1 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM EDT
FOR THE DISTRICT OF COLUMBIA...NORTH CENTRAL CHARLES...NORTHERN
PRINCE GEORGES...SOUTHEASTERN MONTGOMERY...SOUTHEASTERN FAIRFAX AND
ARLINGTON COUNTIES AND THE CITY OF ALEXANDRIA...

AT 1257 AM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN
EXCESS OF 70 MPH. THIS STORM WAS LOCATED OVER GROVETON...MOVING
NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
ARLINGTON...COLLEGE PARK...BLADENSBURG...LANGLEY PARK...
SPRINGFIELD...FORESTVILLE...GALLAUDET UNIVERSITY...NATIONALS PARK...
CRYSTAL CITY...CLINTON...CORAL HILLS...FORT BELVOIR...RFK STADIUM...
FORT WASHINGTON...HOWARD UNIVERSITY...ANDREWS AIR FORCE BASE...
GROVETON...LARGO...FORT TOTTEN AND HUNTINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 3859 7709 3861 7713 3863 7711 3867 7711
      3870 7701 3871 7704 3875 7701 3877 7703
      3881 7702 3888 7704 3872 7704 3871 7713
      3867 7713 3870 7717 3869 7719 3864 7713
      3870 7728 3903 7702 3886 7675
TIME...MOT...LOC 0457Z 219DEG 26KT 3877 7708

$$

SEARS



Severe Thunderstorm Warning

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1257 AM EDT WED JUL 1 2015

DCC001-MDC017-031-033-VAC013-059-510-010515-
/O.CON.KLWX.SV.W.0166.000000T0000Z-150701T0515Z/
DISTRICT OF COLUMBIA DC-CHARLES MD-PRINCE GEORGES MD-MONTGOMERY MD-
FAIRFAX VA-CITY OF ALEXANDRIA VA-ARLINGTON VA-
1257 AM EDT WED JUL 1 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM EDT
FOR THE DISTRICT OF COLUMBIA...NORTH CENTRAL CHARLES...NORTHERN
PRINCE GEORGES...SOUTHEASTERN MONTGOMERY...SOUTHEASTERN FAIRFAX AND
ARLINGTON COUNTIES AND THE CITY OF ALEXANDRIA...

AT 1257 AM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN
EXCESS OF 70 MPH. THIS STORM WAS LOCATED OVER GROVETON...MOVING
NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
ARLINGTON...COLLEGE PARK...BLADENSBURG...LANGLEY PARK...
SPRINGFIELD...FORESTVILLE...GALLAUDET UNIVERSITY...NATIONALS PARK...
CRYSTAL CITY...CLINTON...CORAL HILLS...FORT BELVOIR...RFK STADIUM...
FORT WASHINGTON...HOWARD UNIVERSITY...ANDREWS AIR FORCE BASE...
GROVETON...LARGO...FORT TOTTEN AND HUNTINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 3859 7709 3861 7713 3863 7711 3867 7711
      3870 7701 3871 7704 3875 7701 3877 7703
      3881 7702 3888 7704 3872 7704 3871 7713
      3867 7713 3870 7717 3869 7719 3864 7713
      3870 7728 3903 7702 3886 7675
TIME...MOT...LOC 0457Z 219DEG 26KT 3877 7708

$$

SEARS



Coastal Flood Advisory

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1108 PM EDT TUE JUN 30 2015

DCZ001-MDZ013-VAZ053-054-011300-
/O.NEW.KLWX.CF.Y.0017.150701T1100Z-150701T1400Z/
DISTRICT OF COLUMBIA-PRINCE GEORGES-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-
1108 PM EDT TUE JUN 30 2015

...COASTAL FLOOD ADVISORY IN EFFECT FROM 7 AM TO 10 AM EDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN BALTIMORE MD/WASHINGTON HAS
ISSUED A COASTAL FLOOD ADVISORY...WHICH IS IN EFFECT FROM 7 AM TO
10 AM EDT WEDNESDAY.

* TIDAL ANOMALY...BETWEEN 0.5 AND 1.0 FT.

* TIMING...AROUND AND DURING THE TIME OF HIGH TIDE WEDNESDAY
  MORNING.

* EXPECTED IMPACTS...MINOR INUNDATION OF LOW LYING SHORELINES.

HERE ARE THE TIMES OF THE NEXT HIGH TIDES
ALONG THE POTOMAC RIVER...
WASHINGTON CHANNEL...7:56 AM AND 8:37 PM...
ALEXANDRIA...8:14 AM AND 8:55 PM...
INDIAN HEAD...7:42 AM AND 8:23 PM...
AQUIA CREEK...6:28 AM AND 7:09 PM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

&&

$$




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