A storm system is bringing strong winds and heavy mountain snow to the Cascades into the Northern Rockies. Santa Ana winds and dry conditions will support elevated to critical fire weather over coastal portions of California. Snow, strong winds, blizzard conditions, and high seas are impacting Southwestern Alaska. A Tropical Storm Watch is in effect for the Florida Keys from Tropical Storm Rafael. Read More >
Baltimore/Washington
Weather Forecast Office
VERY LARGE HAIL OCCURRED FROM A SUPERCELL THUNDERSTORM IN THE LATE AFTERNOON OF TUESDAY...JUNE 23 2015 IN CENTRAL BALTIMORE COUNTY. AROUND 545 PM...A HAILSTONE WAS FOUND IN THE FRONT YARD OF A RESIDENCE 2 MILES NORTH-NORTHEAST OF TIMONIUM MARYLAND THAT MEASURED 4.0 INCHES IN DIAMETER...GRAPEFRUIT SIZE. THIS IS ONLY THE 4TH CASE OF HAIL MEASURING 4 OR MORE INCHES IN MARYLAND FROM RECORDS DATING BACK TO 1950. THE LARGEST HAIL ON RECORD IN MARYLAND SINCE 1950 IS 4.5 INCHES... SOFTBALL SIZE. HAIL THIS SIZE HAS BEEN RECORDED TWICE...ONCE ON APRIL 28 2002 IN CHARLES COUNTY ASSOCIATED WITH THE SUPERCELL THAT PRODUCED THE LA PLATA EF4 TORNADO. THE OTHER 4.5 INCH HAILSTONE FELL ON JUNE 18 1970 IN THE PHOENIX-JACKSONVILLE-COCKEYSVILLE AREA OF BALTIMORE COUNTY. THE OTHER KNOWN 4.0 INCH DIAMETER HAIL REPORT IN MARYLAND WAS ON JULY 31 1999 IN NORTHERN BALTIMORE COUNTY NEAR HEREFORD.
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Baltimore/Washington
Weather Forecast Office Baltimore/Washington
43858 Weather Service Rd.
Sterling, VA 20166
(571) 888-3500
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