Near Record Size Hail in Baltimore County

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

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.