
A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >
NWS Telecommunications Gateway
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 |
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
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