A Pacific storm will bring strong winds, heavy rain, and mountain snow from the Sierras to Rockies on Friday. The storm will then track east through the Midwest producing heavy snow from the Dakotas to the Great Lakes on Saturday. An icy wintry mix is expected across the northern Mid-Atlantic states Saturday night. Heavy snow will likely impact the Northeast Saturday night into Sunday. Read More >
Tiyan, GU
Weather Forecast Office
Fire Weather Watch/Red Flag Warning Criteria |
Specific conditions must be met for a Fire Weather Watch and/or a Red Flag Warning to be issued. These conditions are as follows: |
1. KBDI greater that or equal to 600, and |
2. Two minute ASOS winds greater than or equal to 17 kts (20 mph), or 20 foot winds greater than or equal to 14 kts (16 mph), and |
3. Minimum relative humidity of less than 60% in one or more observations, and |
4. Low 10-hr fuel moisture, typical less than 13. |
5. Monthly precipitation less than two inches with a decrease and/or cessations of percolation (dew)can signal the onset of the fire season. Forecaster judgment must be used in the watch/warning decision making process. |
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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