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Alta_I80 - Wind Forecast
Location: 39.20N 120.81W
Base Elevation: 3414 ft
Peak Elevation: 3414 ft

 

240 hour GFS Model (0.25 deg) - 3 hr incrememts

 

Data

Initialized: 12Z Fri 26SEP2025
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Fri 05AM 26SEP25 10.8 16.2 35 - - -
Fri 08AM 26SEP25 6.9 10.3 18 - - -
Fri 11AM 26SEP25 5.1 7.6 305 - - -
Fri 02PM 26SEP25 9.3 13.9 314 - - -
Fri 05PM 26SEP25 7.7 11.6 249 - - -
Fri 08PM 26SEP25 6.4 9.7 37 - - -
Fri 11PM 26SEP25 4.8 7.2 67 - - -
Sat 02AM 27SEP25 5.8 8.7 99 - - -
Sat 05AM 27SEP25 5.1 7.7 118 - - -
Sat 08AM 27SEP25 3.2 4.8 97 - - -
Sat 11AM 27SEP25 4.8 7.2 255 - - -
Sat 02PM 27SEP25 8.0 12.0 234 - - -
Sat 05PM 27SEP25 10.8 16.2 215 - - -
Sat 08PM 27SEP25 9.1 13.6 174 - - -
Sat 11PM 27SEP25 8.4 12.7 165 - - -
Sun 02AM 28SEP25 7.8 11.6 183 - - -
Sun 05AM 28SEP25 10.0 14.9 165 - - -
Sun 08AM 28SEP25 15.2 22.8 185 - - -
Sun 11AM 28SEP25 17.6 26.4 197 - - -
Sun 02PM 28SEP25 20.4 30.6 200 - - -
Sun 05PM 28SEP25 22.0 32.9 197 - - -
Sun 08PM 28SEP25 22.0 33.0 184 - - -
Sun 11PM 28SEP25 22.7 34.0 179 - - -
Mon 02AM 29SEP25 24.7 37.0 187 - - -
Mon 05AM 29SEP25 27.3 40.9 179 - - -
Mon 08AM 29SEP25 26.2 39.3 181 - - -
Mon 11AM 29SEP25 27.1 40.6 186 - - -
Mon 02PM 29SEP25 21.9 32.9 197 - - -
Mon 05PM 29SEP25 23.1 34.7 197 - - -
Mon 08PM 29SEP25 22.1 33.1 184 - - -
Mon 11PM 29SEP25 21.1 31.6 186 - - -
Tue 02AM 30SEP25 24.1 36.2 175 - - -
Tue 05AM 30SEP25 19.5 29.3 183 - - -
Tue 08AM 30SEP25 20.3 30.5 178 - - -
Tue 11AM 30SEP25 17.4 26.1 186 - - -
Tue 02PM 30SEP25 18.4 27.6 202 - - -
Tue 05PM 30SEP25 21.0 31.5 200 - - -
Tue 08PM 30SEP25 19.5 29.2 191 - - -
Tue 11PM 30SEP25 23.2 34.8 177 - - -
Wed 02AM 01OCT25 21.1 31.7 178 - - -
Wed 05AM 01OCT25 23.4 35.1 179 - - -
Wed 08AM 01OCT25 15.7 23.5 176 - - -
Wed 11AM 01OCT25 18.4 27.6 173 - - -
Wed 02PM 01OCT25 17.0 25.5 174 - - -
Wed 05PM 01OCT25 18.8 28.2 181 - - -
Wed 08PM 01OCT25 21.4 32.1 177 - - -
Wed 11PM 01OCT25 20.9 31.4 178 - - -
Thu 02AM 02OCT25 19.1 28.6 179 - - -
Thu 05AM 02OCT25 22.8 34.1 175 - - -
Thu 08AM 02OCT25 19.3 29.0 181 - - -
Thu 11AM 02OCT25 21.3 31.9 181 - - -
Thu 02PM 02OCT25 17.8 26.7 181 - - -
Thu 05PM 02OCT25 17.3 26.0 180 - - -
Thu 08PM 02OCT25 14.6 21.8 174 - - -
Thu 11PM 02OCT25 14.4 21.6 171 - - -
Fri 02AM 03OCT25 12.3 18.4 167 - - -
Fri 05AM 03OCT25 5.2 7.7 148 - - -
Fri 08AM 03OCT25 4.1 6.1 62 - - -
Fri 11AM 03OCT25 7.5 11.3 298 - - -
Fri 02PM 03OCT25 11.0 16.4 286 - - -
Fri 05PM 03OCT25 10.3 15.5 262 - - -
Fri 08PM 03OCT25 12.0 18.0 17 - - -
Fri 11PM 03OCT25 8.4 12.5 34 - - -
Sat 02AM 04OCT25 14.4 21.6 31 - - -
Sat 05AM 04OCT25 14.3 21.4 20 - - -
Sat 08AM 04OCT25 11.9 17.9 20 - - -
Sat 11AM 04OCT25 6.9 10.3 337 - - -
Sat 02PM 04OCT25 6.3 9.4 294 - - -
Sat 05PM 04OCT25 4.9 7.3 303 - - -
Sat 08PM 04OCT25 3.6 5.4 70 - - -
Sat 11PM 04OCT25 4.3 6.5 67 - - -
Sun 02AM 05OCT25 4.4 6.7 110 - - -
Sun 05AM 05OCT25 4.6 6.9 117 - - -
Sun 08AM 05OCT25 4.3 6.5 112 - - -
Sun 11AM 05OCT25 6.0 9.0 236 - - -
Sun 02PM 05OCT25 12.0 18.0 236 - - -
Sun 05PM 05OCT25 15.0 22.6 232 - - -
Sun 08PM 05OCT25 15.9 23.9 138 - - -
Sun 11PM 05OCT25 15.8 23.8 132 - - -
Mon 02AM 06OCT25 13.4 20.1 134 - - -
Mon 05AM 06OCT25 11.2 16.7 136 - - -

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