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WMO Headings have the format of T1T2A1A2ii CCCC . The CCCC for all TPC product WMO headings is KNHC The T1 for all TPC product WMO headings is L. Super headings are used to aggregate products for the same parameter (element) and sector. These aggregate products contain individual products for all forecast periods. For these aggregate products the WMO headings are consistent with those for individual NDFD products except the A2 is always Z. A = 34 knots, incremental B = 34 knots, cumulative C = 50 knots, incremental D = 50 knots, cumulative E = 64 knots, incremental F = 64 knots, cumulative G = Probabilistic Storm Surge H = UNASSIGNED I = UNASSIGNED J = UNASSIGNED K = UNASSIGNED L = UNASSIGNED M = UNASSIGNED N = UNASSIGNED O = UNASSIGNED P = UNASSIGNED Q = UNASSIGNED R = UNASSIGNED S = UNASSIGNED T = UNASSIGNED U = UNASSIGNED V = UNASSIGNED W = UNASSIGNED X = UNASSIGNED Y = UNASSIGNED Z = UNASSIGNED TPC Area Designator (A1) A= PUERTO RICO B= NORTHEAST C= MID-ATLANTIC D= SOUTHEAST E= EAST GREAT LAKES F= CENTRAL GREAT LAKES G= UPPER MISSISSIPPI VALLEY H= CENTRAL MISSISSIPPI VALLEY I= SOUTHERN MISSISSIPPI VALLEY J= NORTHERN PLAINS K= CENTRAL PLAINS L= SOUTHERN PLAINS M= NORTHERN ROCKIES N= CENTRAL ROCKIES O= SOUTHERN ROCKIES P= PACIFIC NORTHWEST Q= PACIFIC SOUTHWEST R= ALASKA S= HAWAII T= GUAM U= CONUS V= NORTHERN HEMISPHER (GRID 227) W= NORTHERN HEMISPHER (GRID 231) X= MERCATOR, PACFIC (GRID 204) Y= GULF OF MEXICO Z= UNASSIGNED TPC Reference Time Designator (A2 and ii) A = Day 0 ii = hour (0-23) B = Day 1 ii = hour (0-23) C = Day 2 ii = hour (0-23) D = Day 3 ii = hour (0-23) E = Day 4 ii = hour (0-23) F = Day 5 ii = hour (0-23) G = Day 6 ii = hour (0-23) H = Day 7 ii = hour (0-23) I = Day 8 ii = hour (0-23) J = Day 9 ii = hour (0-23) K = Day 10 ii = hour (0-23) L = Day 11 ii = hour (0-23) M = Day 12 ii = hour (0-23) N = Day 13 ii = hour (0-23) O = Day 14 ii = hour (0-23) P = Storm Surge Precentage Q = Storm Surge Exceeding Feet R = UNASSIGNED S = UNASSIGNED T = UNASSIGNED U = UNASSIGNED V = UNASSIGNED W = Weeks ii = week # (0-99) X = Months ii = month # (0-99) Y = Year ii = year # (0-99) Z = Super heading designator ii always = 99
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Dept of Commerce National Oceanic and Atmospheric Adminstration National Weather Service Office of the Chief Information Officer (OCIO11) 1325 East West Highway Silver Spring, MD 20910 Page last modified: April 3, 2008 Page Author: Data Management |
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