Near Record Size Hail in Baltimore County

Heavy Rainfall for Portions of the West and Southern Plains; Dangerous Heat for the Northwest

Monsoonal flow coinciding with a frontal boundary will focus more showers and thunderstorms across the central Great Basin, central Rockies, Southwest into the Southern Plains. Heavy rainfall may bring about instances of flash flooding. Meanwhile, record setting heat continues for the Pacific Northwest through Monday. Heat combining with dry conditions could allow for any fires to quickly spread. 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.