Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. 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
NWS Telecommunications Gateway
5830 University Research Ct.
College Park, MD 20740
(301)-683-1518
Comments? Questions? Please Contact Us.