GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 482, Approximate Location: 43.25 N. Latitude, 79.05 W. Longitude Site Name Youngstown Harbor on Lake Ontario ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1941 3 31 12 -1 -1 -1 -1 -1 -1 -1 289.TIF 1947 3 3 10 -1 DI -1 -1 -1 -1 -1 -1 326.TIF 1947 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 327.TIF 1947 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 328.TIF 1947 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 329.TIF 1948 3 8 -1 -1 OW -1 -1 -1 -1 -1 -1 335.TIF EXCEPT ALONG SHORE 1948 3 8 -1 -1 SI -1 -1 -1 -1 -1 -1 335.TIF ALONG SHORE 1951 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 360.TIF 1951 3 12 -1 -1 OW -1 -1 -1 -1 -1 -1 361.TIF 1952 3 3 -1 -1 OW -1 -1 -1 -1 -1 -1 368.TIF 1952 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 369.TIF 1952 3 17 -1 -1 OW -1 -1 -1 -1 -1 -1 370.TIF 1952 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 371.TIF 1954 3 1 -1 -1 OW -1 -1 -1 -1 -1 -1 381.TIF 1955 3 14 -1 -1 SI -1 -1 BV -1 -1 -1 -1 393.TIF WESTWARD 1955 3 14 -1 -1 SI -1 -1 -1 -1 -1 -1 393.TIF TO 1Mi EAST 1955 3 21 -1 -1 SI -1 -1 BV -1 -1 -1 -1 394.TIF 1955 3 28 -1 -1 IJ -1 -1 -1 -1 -1 -1 395.TIF 1956 3 5 -1 -1 OW -1 -1 -1 -1 -1 -1 400.TIF 1967 3 20 2 -1 -1 -1 -1 -1 -1 -1 492.TIF 1968 3 4 8 -1 -1 -1 -1 -1 -1 -1 520.TIF (30% ICE COVER) 1968 3 11 -1 -1 OW -1 -1 -1 -1 -1 -1 497.TIF 1968 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 498.TIF 1968 3 25 1 2 -1 -1 -1 -1 -1 -1 499.TIF (10% ICE COVER) 1969 2 24 -1 -1 OW -1 -1 -1 -1 -1 -1 503.TIF 1969 3 3 1 -1 -1 -1 -1 -1 -1 -1 504.TIF (10% ICE COVER) 1969 3 10 1 -1 -1 -1 -1 -1 -1 -1 505.TIF (10% ICE COVER) 1969 3 17 1 -1 -1 -1 -1 -1 -1 -1 506.TIF (10% ICE COVER) 1969 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 507.TIF 1970 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 513.TIF 1970 3 31 -1 -1 OW -1 -1 -1 -1 -1 -1 514.TIF 1970 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 515.TIF ---------------------------------------------------------------------------------------------------------- Ice thickness is in inches, -1 = no thickness reported, see report for ice conditon codes. T1 = ice thickness or part of a range if T2 is present, C1 = primary condtion of ice. T1C1 = thickness of C1 or part of range if T2C1 is presnet. C2, T1C2, T2C2, C3, T1C3, T2C3 are secondary and ternary ice conditon and condition thickness.