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: 06Z Thu 11DEC2025 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Wed 11PM 10DEC25 24.2 36.4 134 22.2 33.3 73 Thu 02AM 11DEC25 29.6 44.5 134 21.7 32.6 75 Thu 05AM 11DEC25 29.9 44.8 133 22.8 34.1 73 Thu 08AM 11DEC25 28.6 43.0 131 23.6 35.3 71 Thu 11AM 11DEC25 24.4 36.5 130 20.9 31.3 68 Thu 02PM 11DEC25 25.6 38.4 230 24.9 37.3 292 Thu 05PM 11DEC25 24.4 36.7 131 25.5 38.2 69 Thu 08PM 11DEC25 21.8 32.7 128 23.9 35.9 68 Thu 11PM 11DEC25 17.8 26.7 131 19.4 29.2 70 Fri 02AM 12DEC25 17.3 26.0 131 16.5 24.7 72 Fri 05AM 12DEC25 19.5 29.3 132 15.8 23.7 72 Fri 08AM 12DEC25 20.9 31.4 133 16.1 24.2 74 Fri 11AM 12DEC25 20.9 31.3 132 15.3 22.9 69 Fri 02PM 12DEC25 20.4 30.6 230 16.4 24.7 292 Fri 05PM 12DEC25 19.9 29.9 130 19.0 28.4 68 Fri 08PM 12DEC25 19.7 29.5 132 20.8 31.2 70 Fri 11PM 12DEC25 18.9 28.4 132 19.0 28.5 71 Sat 02AM 13DEC25 20.1 30.1 133 19.3 28.9 73 Sat 05AM 13DEC25 18.4 27.6 131 20.3 30.5 71 Sat 08AM 13DEC25 16.9 25.3 131 19.3 28.9 70 Sat 11AM 13DEC25 13.7 20.6 132 15.9 23.8 69 Sat 02PM 13DEC25 10.9 16.3 226 13.0 19.5 290 Sat 05PM 13DEC25 9.5 14.2 130 11.0 16.5 68 Sat 08PM 13DEC25 5.5 8.2 128 6.9 10.4 71 Sat 11PM 13DEC25 3.2 4.8 142 2.6 4.0 91 Sun 02AM 14DEC25 5.5 8.2 176 4.7 7.0 171 Sun 05AM 14DEC25 7.1 10.6 176 6.5 9.8 170 Sun 08AM 14DEC25 6.6 9.9 182 7.5 11.2 176 Sun 11AM 14DEC25 9.7 14.5 184 11.7 17.5 181 Sun 02PM 14DEC25 10.7 16.1 181 12.6 18.8 182 Sun 05PM 14DEC25 12.4 18.5 179 12.0 18.1 178 Sun 08PM 14DEC25 10.1 15.2 178 8.3 12.4 176 Sun 11PM 14DEC25 7.1 10.6 174 4.4 6.6 163 Mon 02AM 15DEC25 7.6 11.3 136 5.4 8.2 82 Mon 05AM 15DEC25 8.4 12.6 134 7.0 10.6 76 Mon 08AM 15DEC25 7.5 11.2 133 8.0 12.1 75 Mon 11AM 15DEC25 5.3 8.0 139 6.9 10.3 73 Mon 02PM 15DEC25 8.9 13.3 132 10.1 15.1 70 Mon 05PM 15DEC25 13.7 20.6 133 13.6 20.4 71 Mon 08PM 15DEC25 16.2 24.3 133 15.6 23.4 73 Mon 11PM 15DEC25 19.1 28.6 134 17.6 26.4 73 Tue 02AM 16DEC25 23.4 35.1 133 19.9 29.9 71 Tue 05AM 16DEC25 9.1 13.7 134 8.7 13.0 72 Tue 08AM 16DEC25 18.0 27.0 134 12.6 18.9 79 Tue 11AM 16DEC25 21.5 32.2 230 11.2 16.8 291 Tue 02PM 16DEC25 27.6 41.4 183 17.3 26.0 189 Tue 05PM 16DEC25 29.1 43.7 135 16.4 24.6 79 Tue 08PM 16DEC25 29.5 44.3 138 17.0 25.5 86 Tue 11PM 16DEC25 28.0 42.1 140 17.8 26.7 89 Wed 02AM 17DEC25 36.3 54.4 174 23.2 34.8 163 Wed 05AM 17DEC25 38.1 57.1 177 26.1 39.2 171 Wed 08AM 17DEC25 43.2 64.7 165 24.1 36.1 143 Wed 11AM 17DEC25 40.7 61.1 133 24.3 36.4 70 Wed 02PM 17DEC25 36.0 54.0 200 24.1 36.2 229 Wed 05PM 17DEC25 36.2 54.3 184 22.9 34.3 178 Wed 08PM 17DEC25 34.0 51.0 179 22.0 32.9 169 Wed 11PM 17DEC25 30.3 45.4 181 21.8 32.7 177 Thu 02AM 18DEC25 28.0 42.0 182 19.1 28.7 180 Thu 05AM 18DEC25 32.4 48.5 183 19.8 29.8 189 Thu 08AM 18DEC25 29.0 43.5 174 16.8 25.3 160 Thu 11AM 18DEC25 27.6 41.3 179 18.9 28.4 172 Thu 02PM 18DEC25 32.8 49.2 178 23.8 35.7 177 Thu 05PM 18DEC25 33.0 49.5 179 24.5 36.8 177 Thu 08PM 18DEC25 25.6 38.4 176 17.8 26.7 169 Thu 11PM 18DEC25 20.5 30.8 179 15.6 23.4 172 Fri 02AM 19DEC25 27.6 41.4 183 20.4 30.6 178 Fri 05AM 19DEC25 27.6 41.4 179 17.0 25.6 189 Fri 08AM 19DEC25 23.0 34.4 184 13.5 20.3 202 Fri 11AM 19DEC25 25.5 38.3 183 16.0 24.0 198 Fri 02PM 19DEC25 28.9 43.3 184 18.8 28.1 194 Fri 05PM 19DEC25 26.3 39.4 212 14.8 22.2 255 Fri 08PM 19DEC25 23.3 34.9 181 14.3 21.5 181 Fri 11PM 19DEC25 21.4 32.1 180 14.9 22.3 179 Sat 02AM 20DEC25 22.0 33.0 180 13.4 20.1 177 Sat 05AM 20DEC25 23.8 35.7 160 12.7 19.0 134 Sat 08AM 20DEC25 26.5 39.8 173 16.0 24.1 162 Sat 11AM 20DEC25 23.9 35.9 178 18.5 27.8 173 Sat 02PM 20DEC25 20.9 31.3 183 15.8 23.6 178 Sat 05PM 20DEC25 22.7 34.0 182 17.2 25.7 176 Sat 08PM 20DEC25 22.1 33.2 159 12.0 18.0 121 Sat 11PM 20DEC25 23.6 35.4 158 15.0 22.6 131

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