Active MJO Pushes East - What Effect Will Coming Inactive Phase Have? - Video Forecast HERE (12/7/25)

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Alta - Wind Forecast Location: 40.58N 111.60W Base Elevation: 8530 ft Peak Elevation: 10550 ft   240 hour GFS Model (0.25 deg) - 3 hr incrememts   Data Initialized: 18Z Sun 07DEC2025 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Sun 11AM 07DEC25 26.8 40.2 134 21.5 32.2 74 Sun 02PM 07DEC25 27.9 41.8 132 26.0 39.0 70 Sun 05PM 07DEC25 24.7 37.1 132 23.7 35.6 73 Sun 08PM 07DEC25 21.3 31.9 135 18.7 28.0 77 Sun 11PM 07DEC25 25.1 37.6 133 21.0 31.6 74 Mon 02AM 08DEC25 25.4 38.0 134 22.1 33.2 73 Mon 05AM 08DEC25 26.5 39.8 133 23.1 34.7 72 Mon 08AM 08DEC25 24.3 36.5 131 23.9 35.9 70 Mon 11AM 08DEC25 22.6 33.8 131 24.8 37.2 69 Mon 02PM 08DEC25 29.4 44.1 131 29.4 44.1 68 Mon 05PM 08DEC25 28.8 43.2 131 29.6 44.5 70 Mon 08PM 08DEC25 28.9 43.3 133 28.0 42.1 72 Mon 11PM 08DEC25 29.1 43.7 133 26.0 39.0 73 Tue 02AM 09DEC25 28.2 42.2 133 23.8 35.7 73 Tue 05AM 09DEC25 31.5 47.2 132 28.5 42.7 71 Tue 08AM 09DEC25 34.6 51.9 132 32.2 48.3 71 Tue 11AM 09DEC25 34.7 52.1 131 33.5 50.2 69 Tue 02PM 09DEC25 37.0 55.5 129 33.6 50.4 68 Tue 05PM 09DEC25 33.8 50.8 130 33.4 50.1 69 Tue 08PM 09DEC25 34.7 52.1 130 34.5 51.7 68 Tue 11PM 09DEC25 32.0 48.0 131 31.8 47.7 70 Wed 02AM 10DEC25 31.7 47.6 130 31.3 46.9 69 Wed 05AM 10DEC25 33.4 50.2 129 32.6 48.9 67 Wed 08AM 10DEC25 31.6 47.4 131 34.4 51.6 69 Wed 11AM 10DEC25 29.4 44.1 132 29.2 43.8 69 Wed 02PM 10DEC25 31.2 46.9 130 29.1 43.7 68 Wed 05PM 10DEC25 31.5 47.3 130 27.8 41.7 68 Wed 08PM 10DEC25 35.5 53.3 133 34.6 51.9 70 Wed 11PM 10DEC25 34.4 51.6 130 33.1 49.6 69 Thu 02AM 11DEC25 35.0 52.5 132 33.7 50.6 71 Thu 05AM 11DEC25 33.0 49.5 131 29.6 44.4 70 Thu 08AM 11DEC25 31.8 47.8 131 28.5 42.7 70 Thu 11AM 11DEC25 30.6 45.9 131 26.7 40.0 68 Thu 02PM 11DEC25 27.0 40.5 130 24.5 36.8 68 Thu 05PM 11DEC25 26.2 39.3 228 25.1 37.6 291 Thu 08PM 11DEC25 27.3 40.9 228 27.2 40.7 291 Thu 11PM 11DEC25 26.7 40.1 131 27.3 40.9 69 Fri 02AM 12DEC25 24.3 36.4 132 25.5 38.3 70 Fri 05AM 12DEC25 25.0 37.4 133 24.3 36.5 72 Fri 08AM 12DEC25 24.4 36.6 131 23.9 35.9 70 Fri 11AM 12DEC25 24.4 36.6 132 21.5 32.2 70 Fri 02PM 12DEC25 24.2 36.3 129 19.1 28.7 67 Fri 05PM 12DEC25 25.1 37.6 131 19.6 29.5 70 Fri 08PM 12DEC25 26.4 39.6 132 21.5 32.3 72 Fri 11PM 12DEC25 27.8 41.6 133 24.5 36.8 71 Sat 02AM 13DEC25 30.7 46.1 132 28.6 42.9 70 Sat 05AM 13DEC25 31.3 46.9 131 31.5 47.3 69 Sat 08AM 13DEC25 30.5 45.8 131 32.7 49.0 69 Sat 11AM 13DEC25 27.0 40.5 132 29.4 44.1 69 Sat 02PM 13DEC25 23.0 34.6 129 27.2 40.9 67 Sat 05PM 13DEC25 18.1 27.1 126 19.3 29.0 66 Sat 08PM 13DEC25 15.1 22.7 132 13.5 20.2 72 Sat 11PM 13DEC25 13.8 20.7 133 11.8 17.7 75 Sun 02AM 14DEC25 12.4 18.6 134 10.2 15.3 78 Sun 05AM 14DEC25 10.7 16.0 134 8.6 12.9 76 Sun 08AM 14DEC25 6.9 10.4 141 4.8 7.2 90 Sun 11AM 14DEC25 7.1 10.6 186 4.9 7.4 187 Sun 02PM 14DEC25 9.9 14.9 178 6.9 10.4 179 Sun 05PM 14DEC25 7.9 11.9 224 4.4 6.5 278 Sun 08PM 14DEC25 4.8 7.2 138 3.5 5.2 84 Sun 11PM 14DEC25 3.5 5.3 148 2.6 4.0 116 Mon 02AM 15DEC25 1.9 2.8 147 1.8 2.7 120 Mon 05AM 15DEC25 2.2 3.3 180 2.1 3.1 161 Mon 08AM 15DEC25 3.5 5.3 176 3.3 5.0 169 Mon 11AM 15DEC25 2.8 4.2 194 2.4 3.5 196 Mon 02PM 15DEC25 3.4 5.0 191 2.5 3.7 200 Mon 05PM 15DEC25 5.4 8.1 180 3.9 5.8 189 Mon 08PM 15DEC25 8.6 12.9 170 5.8 8.7 161 Mon 11PM 15DEC25 7.7 11.6 174 4.8 7.1 163 Tue 02AM 16DEC25 7.1 10.7 135 5.6 8.4 79 Tue 05AM 16DEC25 7.6 11.3 131 7.5 11.3 73 Tue 08AM 16DEC25 6.1 9.2 126 7.0 10.4 68 Tue 11AM 16DEC25 5.9 8.9 236 6.4 9.7 294 Tue 02PM 16DEC25 7.1 10.7 221 7.9 11.9 284 Tue 05PM 16DEC25 5.2 7.8 223 6.3 9.4 286 Tue 08PM 16DEC25 5.8 8.6 214 7.0 10.6 280 Tue 11PM 16DEC25 5.7 8.5 133 7.2 10.8 73 Wed 02AM 17DEC25 7.8 11.6 130 9.6 14.5 69 Wed 05AM 17DEC25 5.9 8.8 137 11.4 17.1 72 Wed 08AM 17DEC25 8.2 12.3 203 13.8 20.7 277 Wed 11AM 17DEC25 7.9 11.9 175 14.6 21.9 91

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