GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 015, Approximate Location: 48.32 N. Latitude, 88.95 W. Longitude Site Name Thunder Cape on Lake Superior ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1912 3 19 -1 -1 IP -1 -1 -1 -1 -1 -1 084.TIF 1914 3 3 14 -1 -1 -1 -1 -1 -1 -1 098.TIF 1914 3 10 14 -1 -1 -1 -1 -1 -1 -1 099.TIF 1923 3 20 11 -1 -1 -1 -1 -1 -1 -1 157.TIF 1926 4 6 -1 -1 FD -1 -1 BK -1 -1 -1 -1 181.TIF 1926 4 20 -1 -1 OW -1 -1 -1 -1 -1 -1 183.TIF FROM LAKE TO 4Mi INSIDE CAPE 1930 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 206.TIF EASTWARD 1936 4 20 36 -1 SO -1 -1 -1 -1 -1 -1 250.TIF TO ISLE ROYALE 1944 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 309.TIF CHANNEL TO PIE ISLAND 1946 3 18 -1 -1 OW -1 -1 -1 -1 -1 -1 320.TIF TO PIE ISLAND 1946 3 25 -1 -1 SO -1 -1 -1 -1 -1 -1 321.TIF TO PIE ISLAND 1950 3 6 -1 -1 SW -1 -1 -1 -1 -1 -1 350.TIF TO PIE ISLAND 1951 4 2 -1 -1 DI -1 -1 -1 -1 -1 -1 364.TIF TO ISLE ROYALE 1955 3 14 -1 -1 IP -1 -1 -1 -1 -1 -1 393.TIF TO ISLE ROYALE (90% ICE COVER) 1955 3 21 -1 -1 LF -1 -1 -1 -1 -1 -1 394.TIF TO ISLE ROYALE 1956 2 27 -1 -1 LF -1 -1 -1 -1 -1 -1 397.TIF 1957 4 1 -1 -1 OW -1 -1 -1 -1 -1 -1 414.TIF TO ISLE ROYALE 1958 3 17 4 28 -1 -1 -1 -1 -1 -1 419.TIF HARBOR ICE 1959 4 13 -1 -1 OW -1 -1 -1 -1 -1 -1 431.TIF TO PIE ISLAND 1960 2 29 -1 -1 DI -1 -1 PN -1 -1 -1 -1 522.TIF 1963 3 4 -1 -1 SW -1 -1 -1 -1 -1 -1 457.TIF NARROW STRETCH TO ISLE ROYALE 1963 4 15 24 -1 -1 -1 -1 -1 -1 -1 463.TIF 1965 4 19 -1 -1 LI -1 -1 LF -1 -1 -1 -1 481.TIF TO PASSAGE ISLAND 1966 3 14 -1 -1 SW -1 -1 -1 -1 -1 -1 485.TIF TO PIE ISLAND 1966 4 4 -1 -1 DI -1 -1 -1 -1 -1 -1 488.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.