A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. 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
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