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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 31JUL2026
Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs)
Fri 04AM 31JUL26 12.2 19.0 281 - - -
Fri 07AM 31JUL26 12.8 20.0 273 - - -
Fri 10AM 31JUL26 14.3 22.3 252 - - -
Fri 01PM 31JUL26 13.2 20.6 249 - - -
Fri 04PM 31JUL26 13.6 21.2 254 - - -
Fri 07PM 31JUL26 12.3 19.3 271 - - -
Fri 10PM 31JUL26 12.5 19.5 279 - - -
Sat 01AM 01AUG26 12.5 19.5 279 - - -
Sat 04AM 01AUG26 13.0 20.3 280 - - -
Sat 07AM 01AUG26 12.4 19.3 274 - - -
Sat 10AM 01AUG26 11.3 17.6 251 - - -
Sat 01PM 01AUG26 11.0 17.2 245 - - -
Sat 04PM 01AUG26 12.3 19.2 251 - - -
Sat 07PM 01AUG26 11.6 18.1 272 - - -
Sat 10PM 01AUG26 11.1 17.2 281 - - -
Sun 01AM 02AUG26 8.5 13.3 284 - - -
Sun 04AM 02AUG26 9.4 14.7 284 - - -
Sun 07AM 02AUG26 9.0 14.1 278 - - -
Sun 10AM 02AUG26 10.4 16.3 246 - - -
Sun 01PM 02AUG26 10.1 15.7 238 - - -
Sun 04PM 02AUG26 8.4 13.0 242 - - -
Sun 07PM 02AUG26 8.2 12.8 269 - - -
Sun 10PM 02AUG26 3.5 6.8 306 - - -
Mon 01AM 03AUG26 6.3 9.8 290 - - -
Mon 04AM 03AUG26 8.3 13.0 287 - - -
Mon 07AM 03AUG26 8.9 13.8 279 - - -
Mon 10AM 03AUG26 8.8 13.8 238 - - -
Mon 01PM 03AUG26 7.2 11.3 226 - - -
Mon 04PM 03AUG26 5.5 8.5 234 - - -
Mon 07PM 03AUG26 6.8 10.7 284 - - -
Mon 10PM 03AUG26 3.3 7.4 315 - - -
Tue 01AM 04AUG26 5.1 7.9 261 - - -
Tue 04AM 04AUG26 9.7 15.1 250 - - -
Tue 07AM 04AUG26 11.5 17.9 280 - - -
Tue 10AM 04AUG26 8.6 13.4 245 - - -
Tue 01PM 04AUG26 6.4 9.9 238 - - -
Tue 04PM 04AUG26 5.5 8.5 242 - - -
Tue 07PM 04AUG26 11.2 17.5 271 - - -
Tue 10PM 04AUG26 11.3 17.7 281 - - -
Wed 01AM 05AUG26 10.8 16.8 281 - - -
Wed 04AM 05AUG26 9.4 14.7 282 - - -
Wed 07AM 05AUG26 12.4 19.4 274 - - -
Wed 10AM 05AUG26 14.5 22.6 251 - - -
Wed 01PM 05AUG26 14.0 21.9 247 - - -
Wed 04PM 05AUG26 14.4 22.5 250 - - -
Wed 07PM 05AUG26 11.7 18.3 269 - - -
Wed 10PM 05AUG26 5.7 8.8 288 - - -
Thu 01AM 06AUG26 6.1 9.6 291 - - -
Thu 04AM 06AUG26 10.1 15.7 283 - - -
Thu 07AM 06AUG26 13.9 21.8 275 - - -
Thu 10AM 06AUG26 14.0 21.8 250 - - -
Thu 01PM 06AUG26 12.1 18.9 244 - - -
Thu 04PM 06AUG26 11.8 18.3 247 - - -
Thu 07PM 06AUG26 9.6 15.0 270 - - -
Thu 10PM 06AUG26 4.9 7.6 292 - - -
Fri 01AM 07AUG26 5.3 8.2 294 - - -
Fri 04AM 07AUG26 8.1 12.7 287 - - -
Fri 07AM 07AUG26 8.6 13.4 279 - - -
Fri 10AM 07AUG26 9.4 14.7 245 - - -
Fri 01PM 07AUG26 7.5 11.6 230 - - -
Fri 04PM 07AUG26 6.7 10.4 237 - - -
Fri 07PM 07AUG26 4.8 7.4 284 - - -
Fri 10PM 07AUG26 3.4 6.4 91 - - -
Sat 01AM 08AUG26 2.1 5.6 8 - - -
Sat 04AM 08AUG26 6.4 10.0 256 - - -
Sat 07AM 08AUG26 9.3 14.6 281 - - -
Sat 10AM 08AUG26 8.9 13.8 248 - - -
Sat 01PM 08AUG26 7.5 11.7 241 - - -
Sat 04PM 08AUG26 9.5 14.9 249 - - -
Sat 07PM 08AUG26 7.1 11.0 276 - - -
Sat 10PM 08AUG26 2.7 5.9 316 - - -
Sun 01AM 09AUG26 5.4 8.4 289 - - -
Sun 04AM 09AUG26 11.6 18.0 280 - - -
Sun 07AM 09AUG26 14.7 23.0 272 - - -
Sun 10AM 09AUG26 16.5 25.8 252 - - -
Sun 01PM 09AUG26 16.5 25.7 249 - - -
Sun 04PM 09AUG26 15.6 24.3 250 - - -
Sun 07PM 09AUG26 13.2 20.6 267 - - -
Sun 10PM 09AUG26 14.3 22.3 275 - - -
Mon 01AM 10AUG26 16.5 25.8 274 - - -
Mon 04AM 10AUG26 19.4 30.3 274 - - -

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