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 Tue 09DEC2025 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Tue 11AM 09DEC25 35.0 52.6 131 32.2 48.3 69 Tue 02PM 09DEC25 37.3 56.0 129 35.0 52.4 67 Tue 05PM 09DEC25 35.7 53.6 129 35.8 53.7 67 Tue 08PM 09DEC25 33.7 50.6 228 35.2 52.8 292 Tue 11PM 09DEC25 29.7 44.6 131 30.7 46.0 70 Wed 02AM 10DEC25 29.9 44.8 130 31.0 46.4 69 Wed 05AM 10DEC25 28.4 42.6 132 30.1 45.1 71 Wed 08AM 10DEC25 28.5 42.8 133 30.5 45.8 70 Wed 11AM 10DEC25 27.1 40.6 132 28.3 42.4 69 Wed 02PM 10DEC25 27.3 40.9 129 29.3 44.0 68 Wed 05PM 10DEC25 27.4 41.0 130 29.1 43.7 69 Wed 08PM 10DEC25 25.3 38.0 132 27.0 40.5 71 Wed 11PM 10DEC25 21.6 32.5 133 21.7 32.6 73 Thu 02AM 11DEC25 21.3 31.9 134 16.2 24.3 76 Thu 05AM 11DEC25 25.2 37.7 134 17.6 26.3 77 Thu 08AM 11DEC25 24.8 37.2 132 17.2 25.7 74 Thu 11AM 11DEC25 24.2 36.3 130 20.8 31.2 68 Thu 02PM 11DEC25 22.1 33.2 229 21.0 31.5 291 Thu 05PM 11DEC25 22.5 33.7 128 22.8 34.2 67 Thu 08PM 11DEC25 20.6 30.9 128 22.3 33.5 68 Thu 11PM 11DEC25 18.2 27.3 131 19.1 28.7 71 Fri 02AM 12DEC25 19.7 29.5 132 18.6 27.9 72 Fri 05AM 12DEC25 19.6 29.4 131 17.0 25.5 72 Fri 08AM 12DEC25 19.6 29.5 133 16.0 24.0 73 Fri 11AM 12DEC25 18.5 27.7 132 14.7 22.1 70 Fri 02PM 12DEC25 19.0 28.5 230 15.8 23.6 292 Fri 05PM 12DEC25 18.7 28.1 129 16.7 25.0 68 Fri 08PM 12DEC25 18.4 27.7 132 17.3 25.9 71 Fri 11PM 12DEC25 17.5 26.3 132 16.5 24.7 72 Sat 02AM 13DEC25 18.8 28.2 132 17.3 26.0 73 Sat 05AM 13DEC25 17.8 26.7 131 18.4 27.7 71 Sat 08AM 13DEC25 15.5 23.2 133 17.3 25.9 72 Sat 11AM 13DEC25 10.1 15.1 131 12.3 18.4 69 Sat 02PM 13DEC25 7.7 11.6 229 9.1 13.7 290 Sat 05PM 13DEC25 5.4 8.1 133 5.8 8.8 72 Sat 08PM 13DEC25 2.9 4.3 141 2.7 4.0 89 Sat 11PM 13DEC25 3.5 5.3 173 3.9 5.9 165 Sun 02AM 14DEC25 6.9 10.3 173 7.2 10.8 168 Sun 05AM 14DEC25 8.3 12.5 179 8.2 12.4 172 Sun 08AM 14DEC25 9.9 14.8 180 9.9 14.8 175 Sun 11AM 14DEC25 11.5 17.3 181 10.9 16.3 177 Sun 02PM 14DEC25 12.3 18.4 181 11.6 17.4 182 Sun 05PM 14DEC25 13.2 19.8 178 10.9 16.4 176 Sun 08PM 14DEC25 8.7 13.1 177 7.7 11.5 172 Sun 11PM 14DEC25 8.3 12.4 180 7.4 11.1 175 Mon 02AM 15DEC25 6.4 9.6 150 4.0 6.0 112 Mon 05AM 15DEC25 6.1 9.2 132 6.7 10.1 73 Mon 08AM 15DEC25 3.4 5.2 124 4.7 7.1 68 Mon 11AM 15DEC25 3.0 4.5 248 4.0 6.1 297 Mon 02PM 15DEC25 5.9 8.9 228 6.6 9.9 288 Mon 05PM 15DEC25 6.8 10.2 127 7.9 11.9 66 Mon 08PM 15DEC25 10.9 16.3 133 10.3 15.4 72 Mon 11PM 15DEC25 13.6 20.4 132 11.7 17.6 72 Tue 02AM 16DEC25 14.9 22.4 134 12.4 18.6 74 Tue 05AM 16DEC25 6.0 8.9 109 8.3 12.4 57 Tue 08AM 16DEC25 11.0 16.5 126 13.9 20.8 66 Tue 11AM 16DEC25 12.7 19.1 135 11.7 17.6 70 Tue 02PM 16DEC25 18.9 28.3 131 14.0 21.0 69 Tue 05PM 16DEC25 22.7 34.1 136 15.7 23.6 79 Tue 08PM 16DEC25 21.7 32.6 129 14.2 21.3 67 Tue 11PM 16DEC25 20.1 30.1 140 12.6 18.9 87 Wed 02AM 17DEC25 18.7 28.1 140 12.5 18.8 87 Wed 05AM 17DEC25 19.5 29.2 155 11.3 16.9 120 Wed 08AM 17DEC25 21.3 32.0 178 15.0 22.4 169 Wed 11AM 17DEC25 21.5 32.3 177 13.3 19.9 163 Wed 02PM 17DEC25 25.2 37.7 158 14.0 21.0 128 Wed 05PM 17DEC25 32.5 48.7 157 17.9 26.8 122 Wed 08PM 17DEC25 33.0 49.5 141 19.6 29.4 89 Wed 11PM 17DEC25 34.3 51.4 156 19.4 29.1 117 Thu 02AM 18DEC25 34.7 52.1 199 18.5 27.7 214 Thu 05AM 18DEC25 38.6 58.0 217 22.2 33.3 262 Thu 08AM 18DEC25 36.7 55.1 225 22.9 34.4 279 Thu 11AM 18DEC25 34.8 52.3 224 21.7 32.6 281 Thu 02PM 18DEC25 37.9 56.9 221 24.7 37.0 281 Thu 05PM 18DEC25 34.1 51.1 227 22.9 34.3 287 Thu 08PM 18DEC25 33.5 50.2 228 22.0 32.9 287 Thu 11PM 18DEC25 28.8 43.2 134 16.2 24.3 75 Fri 02AM 19DEC25 30.4 45.6 135 21.5 32.2 76 Fri 05AM 19DEC25 27.1 40.6 136 19.6 29.4 79 Fri 08AM 19DEC25 22.4 33.6 145 14.4 21.6 98 Fri 11AM 19DEC25 30.0 45.0 167 18.0 27.0 148

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