GREAT LAKES ENVIRONMENTAL RESEARCH LABORATORY, NOAA Climate Data Modernization Project National Weather Service Historical Great Lakes Ice Reports for Winters 1899 - 1970 Site No. 152, Approximate Location: 45.05 N. Latitude, 83.30 W. Longitude Site Name Alpena on Lake Huron ---------------------------------------------------------------------------------------------------------- Year Mo Da T1 T2 C1 T1C1 T2C1 C2 T1C2 T2C2 C3 T1C3 T2C3 IMAGE Supplemental Information ---------------------------------------------------------------------------------------------------------- 1901 3 5 -1 -1 LF -1 -1 -1 -1 -1 -1 011.TIF LAKE: AROUND THE ISLANDS 1901 3 19 -1 -1 LI -1 -1 -1 -1 -1 -1 013.TIF LAKE 1901 3 19 -1 -1 SO -1 -1 -1 -1 -1 -1 013.TIF FALSE PRESQUE ISLE: SOUTHWARD 1914 3 10 -1 -1 SO -1 -1 -1 -1 -1 -1 099.TIF WHITEFISH BAY 1914 3 10 -1 -1 OW -1 -1 -1 -1 -1 -1 099.TIF OFF MOUTH OF RIVER 1915 3 9 -1 -1 FD -1 -1 -1 -1 -1 -1 106.TIF TO SEVERAL MILES OUT 1915 3 16 -1 -1 FD -1 -1 -1 -1 -1 -1 107.TIF TO 2Mi OUT 1915 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 107.TIF BEYOND 2Mi OUT 1916 3 7 -1 -1 FD -1 -1 -1 -1 -1 -1 113.TIF TO 1Mi OUT 1916 4 18 -1 -1 OW -1 -1 -1 -1 -1 -1 119.TIF 1917 3 13 -1 -1 OW -1 -1 -1 -1 -1 -1 121.TIF ALONG THE HORIZON 1917 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 123.TIF ROCKPORT 1917 4 3 -1 -1 IP -1 -1 BK -1 -1 -1 -1 124.TIF TO 1000FT BEYOND DOCKS 1918 4 16 -1 -1 OW -1 -1 -1 -1 -1 -1 134.TIF FROM PRESQUE ISLE SOUTH 1919 3 4 11 -1 -1 -1 -1 -1 -1 -1 136.TIF MILL POND 1920 3 9 -1 -1 HF -1 -1 -1 -1 -1 -1 140.TIF LAKE 1933 3 14 -1 -1 IP -1 -1 BV -1 -1 -1 -1 221.TIF 1933 3 21 -1 -1 DI -1 -1 -1 -1 -1 -1 222.TIF ROCKPORT 1933 3 28 -1 -1 LF -1 -1 -1 -1 -1 -1 223.TIF 1933 4 4 -1 -1 IP -1 -1 -1 -1 -1 -1 224.TIF 1933 4 18 -1 -1 OW -1 -1 -1 -1 -1 -1 226.TIF 1934 3 13 13 24 IP -1 -1 BV -1 -1 -1 -1 229.TIF 1934 3 20 -1 -1 IP -1 -1 BV -1 -1 -1 -1 230.TIF NORTHWARD 1934 3 27 -1 -1 FD -1 -1 SW -1 -1 -1 -1 231.TIF 1934 4 10 -1 -1 IP -1 -1 SW -1 -1 -1 -1 233.TIF 1935 3 5 -1 -1 FD -1 -1 BV -1 -1 -1 -1 237.TIF LAKEWARD 1935 3 12 -1 -1 FD -1 -1 BV -1 -1 -1 -1 238.TIF 1936 4 6 -1 -1 OW -1 -1 -1 -1 -1 -1 248.TIF 1937 3 8 -1 -1 FD -1 -1 DI -1 -1 -1 -1 254.TIF 1937 3 8 -1 -1 PI -1 -1 -1 -1 -1 -1 254.TIF TO 3Mi OUT FROM LIGHTHOUSE 1937 3 15 -1 -1 FD -1 -1 BV -1 -1 -1 -1 255.TIF 1938 3 7 -1 -1 IP -1 -1 BV -1 -1 -1 -1 261.TIF 1938 3 14 -1 -1 IP -1 -1 -1 -1 -1 -1 262.TIF TO SEVERAL MILES OUT 1939 4 3 -1 -1 OW -1 -1 -1 -1 -1 -1 272.TIF EXCEPT CEMENT DOCK CHANNEL 1940 3 4 6 -1 SO -1 -1 BV -1 -1 -1 -1 277.TIF 1940 4 8 -1 -1 OW -1 -1 -1 -1 -1 -1 282.TIF 1940 4 15 -1 -1 OW -1 -1 -1 -1 -1 -1 283.TIF 1940 4 22 -1 -1 OW -1 -1 -1 -1 -1 -1 284.TIF 1941 3 24 -1 -1 DI -1 -1 -1 -1 -1 -1 288.TIF ROCKPORT 1941 4 7 -1 -1 OW -1 -1 -1 -1 -1 -1 290.TIF 1941 4 14 -1 -1 OW -1 -1 -1 -1 -1 -1 291.TIF 1942 3 30 -1 -1 OW -1 -1 -1 -1 -1 -1 295.TIF 1943 3 8 -1 -1 LF -1 -1 -1 -1 -1 -1 299.TIF 1943 3 29 16 -1 SO -1 -1 CL -1 -1 -1 -1 302.TIF TO 1Mi OUT 1943 4 5 10 -1 BK -1 -1 RT 4 -1 -1 -1 303.TIF (CUT) 1947 3 24 -1 -1 OW -1 -1 -1 -1 -1 -1 329.TIF RIVER: TO FIRST BRIDGE 1947 3 31 -1 -1 DI -1 -1 FD -1 -1 -1 -1 330.TIF SOUTHWARD: TO HARBOR BEACH 1948 3 22 -1 -1 SO -1 -1 -1 -1 -1 -1 337.TIF RIVER MOUTH 1949 2 28 -1 -1 LF -1 -1 -1 -1 -1 -1 527.TIF 1950 2 16 14 16 -1 -1 -1 -1 -1 -1 348.TIF HURON PORTLAND CEMENT BASIN 1950 2 27 18 -1 SO -1 -1 BV -1 -1 -1 -1 349.TIF 1950 3 27 -1 -1 OW -1 -1 -1 -1 -1 -1 353.TIF RIVER: BELOW BRIDGE 1950 4 17 24 -1 FD -1 -1 -1 -1 -1 -1 356.TIF NORTHWARD 1951 2 26 7 -1 RT -1 -1 -1 -1 -1 -1 359.TIF 1951 3 12 -1 -1 DI -1 -1 PN -1 -1 -1 -1 361.TIF LAKE 1952 2 25 -1 -1 OW -1 -1 -1 -1 -1 -1 367.TIF GILCHRIST DOCK TO RIVER MOUTH 1952 3 3 -1 -1 IP -1 -1 -1 -1 -1 -1 368.TIF LAKE: ALONG SHORE 1952 3 17 -1 -1 IP -1 -1 BV -1 -1 -1 -1 370.TIF LAKE 1953 3 2 6 -1 BK -1 -1 -1 -1 -1 -1 528.TIF HURON CHANNEL 1955 2 28 -1 -1 HF -1 -1 -1 -1 -1 -1 389.TIF LAKE 1955 3 7 18 21 FD -1 -1 -1 -1 -1 -1 391.TIF LAKE 1955 3 14 6 -1 DI -1 -1 -1 -1 -1 -1 393.TIF 1957 3 4 -1 -1 FD -1 -1 DI -1 -1 -1 -1 409.TIF LAKE 1960 2 29 -1 -1 OW -1 -1 -1 -1 -1 -1 522.TIF LAKE 1960 2 29 -1 -1 OW -1 -1 -1 -1 -1 -1 522.TIF TO KINCARDINE: NORTHWARD 1960 3 7 -1 -1 LF -1 -1 -1 -1 -1 -1 434.TIF TO 4Mi OUT 1960 3 14 -1 -1 DI -1 -1 -1 -1 -1 -1 435.TIF LAKE 1961 3 20 -1 -1 DI -1 -1 PN -1 -1 -1 -1 443.TIF 1962 4 1 -1 -1 -1 -1 -1 -1 -1 -1 455.TIF PORT OPENING 1963 3 29 -1 -1 -1 -1 -1 -1 -1 -1 464.TIF PORT OPENING 1964 3 11 -1 -1 -1 -1 -1 -1 -1 -1 472.TIF PORT OPENING 1964 3 16 -1 -1 OW -1 -1 -1 -1 -1 -1 468.TIF LAKE 1964 3 23 -1 -1 OW -1 -1 -1 -1 -1 -1 469.TIF LAKE 1965 3 15 -1 -1 -1 -1 -1 -1 -1 -1 482.TIF PORT OPENING 1966 3 21 -1 -1 -1 -1 -1 -1 -1 -1 484.TIF ANTICIPATED PORT OPENING 1967 3 17 -1 -1 -1 -1 -1 -1 -1 -1 490.TIF ANTICIPATED PORT OPENING 1967 3 18 -1 -1 -1 -1 -1 -1 -1 -1 496.TIF PORT OPENING 1968 2 26 11 -1 -1 -1 -1 -1 -1 -1 521.TIF 1968 3 24 -1 -1 -1 -1 -1 -1 -1 -1 502.TIF PORT OPENING ---------------------------------------------------------------------------------------------------------- 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.