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4 products issued by NWS for: Catonsville MD
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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
751 PM EDT THU AUG 21 2014

ANZ530>543-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057-
221000-
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-
751 PM EDT THU AUG 21 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

SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS
EVENING. A FEW OF THESE STORMS MAY BE CAPABLE OF PRODUCING
DAMAGING WIND GUSTS. STORMS THAT PRODUCE HEAVY RAINFALL COULD
CAUSE LOCALIZED FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THUNDERSTORMS...CAPABLE OF PRODUCING HEAVY RAIN...MAY DEVELOP LATE
FRIDAY AND FRIDAY NIGHT. LOCALIZED FLOODING MAY RESULT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

$$



Severe Thunderstorm Warning

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
754 PM EDT THU AUG 21 2014

MDC005-013-025-220015-
/O.CON.KLWX.SV.W.0223.000000T0000Z-140822T0015Z/
CARROLL MD-HARFORD MD-BALTIMORE MD-
754 PM EDT THU AUG 21 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR BALTIMORE...HARFORD AND CARROLL COUNTIES...

AT 751 PM EDT...A SEVERE THUNDERSTORM WAS DETECTED 6 MILES SOUTHWEST
OF NEW FREEDOM...OR 14 MILES NORTHEAST OF WESTMINSTER...AND WAS
MOVING SOUTHEAST AT 20 MPH.

THIS STORM IS CAPABLE OF PRODUCING HAIL UP TO THE SIZE OF QUARTERS
AND DAMAGING WINDS IN EXCESS OF 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  FREELAND...
  MARYLAND LINE...
  PARKTON...
  HEREFORD...
  MONKTON...
  GLENCOE...
  SPARKS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WIND GUSTS...LARGE HAIL AND FREQUENT CLOUD
TO GROUND LIGHTNING. MOVE INDOORS TO A STURDY BUILDING AND STAY AWAY
FROM WINDOWS.

LAT...LON 3968 7644 3945 7663 3972 7702 3973 7655
TIME...MOT...LOC 2354Z 302DEG 18KT 3968 7677

$$

DH






Severe Weather Statement

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
754 PM EDT THU AUG 21 2014

MDC005-013-025-220015-
/O.CON.KLWX.SV.W.0223.000000T0000Z-140822T0015Z/
CARROLL MD-HARFORD MD-BALTIMORE MD-
754 PM EDT THU AUG 21 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR BALTIMORE...HARFORD AND CARROLL COUNTIES...

AT 751 PM EDT...A SEVERE THUNDERSTORM WAS DETECTED 6 MILES SOUTHWEST
OF NEW FREEDOM...OR 14 MILES NORTHEAST OF WESTMINSTER...AND WAS
MOVING SOUTHEAST AT 20 MPH.

THIS STORM IS CAPABLE OF PRODUCING HAIL UP TO THE SIZE OF QUARTERS
AND DAMAGING WINDS IN EXCESS OF 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  FREELAND...
  MARYLAND LINE...
  PARKTON...
  HEREFORD...
  MONKTON...
  GLENCOE...
  SPARKS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WIND GUSTS...LARGE HAIL AND FREQUENT CLOUD
TO GROUND LIGHTNING. MOVE INDOORS TO A STURDY BUILDING AND STAY AWAY
FROM WINDOWS.

LAT...LON 3968 7644 3945 7663 3972 7702 3973 7655
TIME...MOT...LOC 2354Z 302DEG 18KT 3968 7677

$$

DH






Short Term Forecast

SHORT TERM FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
724 PM EDT THU AUG 21 2014

MDZ006-007-011-220015-
HARFORD MD-NORTHERN BALTIMORE MD-SOUTHERN BALTIMORE MD-
724 PM EDT THU AUG 21 2014

.NOW...
AT 720 PM EDT...DOPPLER RADAR DETECTED A LINE OF THUNDERSTORMS. THESE
THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM PARKVILLE TO 9
MILES EAST OF MILLERS ISLAND...MOVING EAST AT 15 MPH.

LOCATIONS THAT LIKELY WILL BE IMPACTED INCLUDE MIDDLE RIVER...
CARNEY...BOWLEYS QUARTERS...WHITE MARSH...PERRY HALL...KINGSVILLE...
KINGSVILLE AND PLEASANT HILLS.

THESE THUNDERSTORMS ARE PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING.
MOVE INDOORS IMMEDIATELY FOR YOUR SAFETY. IF YOU CAN HEAR THUNDER...
YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

HEAVY RAIN WITH THESE THUNDERSTORMS WILL REDUCE VISIBILITIES TO BELOW
ONE MILE AND MAY CAUSE PONDING OF WATER ON ROADWAYS.

ADDITIONAL RAINFALL UP TO ONE INCH CAN BE EXPECTED.

LAT...LON 3935 7621 3935 7625 3929 7628 3930 7630
      3935 7632 3938 7631 3938 7633 3931 7632
      3929 7638 3923 7638 3921 7641 3940 7666
      3953 7629 3941 7613
TIME...MOT...LOC 2324Z 258DEG 12KT 3941 7656 3919 7624

$$

DH





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