Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >
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National Program
Instructions for the proper application of the data type designator
1. The first letter A1 will denote the nature of the ship or automatic marine station:
For ocean weather stations: W
For mobile ships and other marine stations: V
2. The second letter A2 will denote the area from which the reports contained in the bulletin originate:
Designator | Data Area |
A | Area between 30° N - 60° S, 035° W - 070° E |
B | Area between 90° N - 05° N, 070° E - 180° E |
C | Area between 05° N - 60° S, 120° W - 035° W |
D | Area between 90° N - 05° N, 180° W - 035° W |
E | Area between 05° N - 60° S, 070° E - 120° W |
F | Area between 90° N - 30° N, 035° W - 070° E |
J | Area between 60° S |
X | More than one area |
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National Oceanic and Atmospheric Administration
National Weather Service
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