Harrison

Forecasts for Ohio — Return to U.S. Severe Weather

	Current Severe Weather

	Frost Advisory
Statement as of 3:41 AM EDT on May 24, 2013 ... Frost advisory in effect from 3 am to 8 am EDT Saturday... The National Weather Service in Pittsburgh has issued a frost advisory... which is in effect from 3 am to 8 am EDT Saturday. * Temperatures... 32 to 35. * Impacts... sensitive plants may be damaged. Precautionary/preparedness actions... A frost advisory means that frost is possible.

	Public Information Statement
Statement as of 7:11 am EDT on May 24, 2013 ... Frost facts for Pittsburgh area... Normals... average date of last killing frost in Spring April 21 average date of first killing frost in autumn October 20 average length of growing season 182 days Records... latest date of killing frost is Spring may 29 1894 earliest date of killing frost in autumn September 17 1959 latest date of killing frost in autumn November 11 1994 Shortest growing season 131 days may 29 1894 - Oct 7 1894 Longest growing season 215 days Apr 1 1901 - Nov 2 1901 215 days Apr 8 1902 - Nov 9 1902 Coldest temperatures so late in the Spring season... 34 Jun 11 1972 33 may 25 1925 30 may 24 1963 27 may 10 1966 26 may 7 1970