
An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >
Tiyan, GU
Weather Forecast Office
To learn more the new probabilistic tropical cyclone graphics, read our introduction here: Introducing New Probabilistic TC Graphics PDF
The cone graphics for the West Pacific are based on the following:
| Forecast Period (hours) | 2/3 Probability Circle, West Pacific Basin (nautical miles) |
|---|---|
| 12 | 35 |
| 24 | 50 |
| 36 | 65 |
| 48 | 80 |
| 72 | 120 |
| 96 | 165 |
| 120 | 225 |
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Tiyan, GU
3232 Hueneme Rd
Barrigada, GU 96913
(671) 472-0900
Comments? Questions? Please Contact Us.


Public Forecast
Marine Forecast
Radar
Satellite
Area Forecast Discussion