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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: 06Z Tue 22SEP2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Mon 10PM 21SEP26 15.9 24.8 115 - - -
Tue 01AM 22SEP26 10.2 15.9 77 - - -
Tue 04AM 22SEP26 7.2 11.2 74 - - -
Tue 07AM 22SEP26 3.5 5.4 110 - - -
Tue 10AM 22SEP26 3.1 4.9 135 - - -
Tue 01PM 22SEP26 2.7 6.8 183 - - -
Tue 04PM 22SEP26 3.4 5.8 251 - - -
Tue 07PM 22SEP26 2.7 4.3 312 - - -
Tue 10PM 22SEP26 3.4 5.3 304 - - -
Wed 01AM 23SEP26 7.4 11.6 290 - - -
Wed 04AM 23SEP26 9.3 14.5 284 - - -
Wed 07AM 23SEP26 11.5 17.9 281 - - -
Wed 10AM 23SEP26 13.1 20.4 251 - - -
Wed 01PM 23SEP26 10.7 16.8 245 - - -
Wed 04PM 23SEP26 13.9 21.7 253 - - -
Wed 07PM 23SEP26 15.6 24.4 281 - - -
Wed 10PM 23SEP26 16.2 25.3 280 - - -
Thu 01AM 24SEP26 16.6 25.9 279 - - -
Thu 04AM 24SEP26 17.8 27.8 276 - - -
Thu 07AM 24SEP26 19.6 30.6 275 - - -
Thu 10AM 24SEP26 19.6 30.6 252 - - -
Thu 01PM 24SEP26 18.8 29.3 248 - - -
Thu 04PM 24SEP26 20.5 32.1 254 - - -
Thu 07PM 24SEP26 25.3 39.5 272 - - -
Thu 10PM 24SEP26 29.9 46.6 271 - - -
Fri 01AM 25SEP26 27.0 42.2 272 - - -
Fri 04AM 25SEP26 22.1 34.4 271 - - -
Fri 07AM 25SEP26 22.1 34.5 270 - - -
Fri 10AM 25SEP26 22.2 34.6 257 - - -
Fri 01PM 25SEP26 22.2 34.7 255 - - -
Fri 04PM 25SEP26 21.5 33.5 258 - - -
Fri 07PM 25SEP26 21.6 33.8 274 - - -
Fri 10PM 25SEP26 24.3 37.9 276 - - -
Sat 01AM 26SEP26 26.7 41.6 275 - - -
Sat 04AM 26SEP26 27.5 42.8 274 - - -
Sat 07AM 26SEP26 27.9 43.5 273 - - -
Sat 10AM 26SEP26 29.7 46.3 254 - - -
Sat 01PM 26SEP26 30.7 47.9 254 - - -
Sat 04PM 26SEP26 32.1 50.0 259 - - -
Sat 07PM 26SEP26 32.2 50.2 273 - - -
Sat 10PM 26SEP26 33.9 52.9 273 - - -
Sun 01AM 27SEP26 34.1 53.2 273 - - -
Sun 04AM 27SEP26 32.8 51.1 272 - - -
Sun 07AM 27SEP26 30.4 47.4 271 - - -
Sun 10AM 27SEP26 29.9 46.7 262 - - -
Sun 01PM 27SEP26 24.8 38.7 254 - - -
Sun 04PM 27SEP26 20.8 32.5 255 - - -
Sun 07PM 27SEP26 1.9 7.8 271 - - -
Sun 10PM 27SEP26 5.0 7.8 286 - - -
Mon 01AM 28SEP26 3.2 5.0 311 - - -
Mon 04AM 28SEP26 7.9 12.4 102 - - -
Mon 07AM 28SEP26 8.1 12.7 106 - - -
Mon 10AM 28SEP26 6.2 9.7 106 - - -
Mon 01PM 28SEP26 2.9 5.7 130 - - -
Mon 04PM 28SEP26 1.4 3.7 122 - - -
Mon 07PM 28SEP26 4.7 7.3 272 - - -
Mon 10PM 28SEP26 3.8 6.0 263 - - -
Tue 01AM 29SEP26 3.9 6.1 298 - - -
Tue 04AM 29SEP26 2.3 4.8 329 - - -
Tue 07AM 29SEP26 1.7 5.5 45 - - -
Tue 10AM 29SEP26 4.7 7.3 241 - - -
Tue 01PM 29SEP26 6.6 10.2 243 - - -
Tue 04PM 29SEP26 7.0 11.0 249 - - -
Tue 07PM 29SEP26 8.7 13.5 286 - - -
Tue 10PM 29SEP26 12.6 19.7 282 - - -
Wed 01AM 30SEP26 15.6 24.4 278 - - -
Wed 04AM 30SEP26 15.7 24.6 277 - - -
Wed 07AM 30SEP26 16.8 26.2 276 - - -
Wed 10AM 30SEP26 19.5 30.4 252 - - -
Wed 01PM 30SEP26 20.2 31.5 250 - - -
Wed 04PM 30SEP26 25.0 38.9 255 - - -
Wed 07PM 30SEP26 30.6 47.7 272 - - -
Wed 10PM 30SEP26 33.9 52.9 271 - - -
Thu 01AM 01OCT26 28.1 43.9 269 - - -
Thu 04AM 01OCT26 23.9 37.3 269 - - -
Thu 07AM 01OCT26 26.2 40.9 269 - - -
Thu 10AM 01OCT26 18.7 29.2 257 - - -
Thu 01PM 01OCT26 11.7 18.2 246 - - -
Thu 04PM 01OCT26 7.6 11.9 243 - - -
Thu 07PM 01OCT26 2.9 4.5 336 - - -
Thu 10PM 01OCT26 4.6 7.1 98 - - -

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