Is Atmospheric Momentum The Key? - Video Forecast HERE (9/7/25)

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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 Mon 15SEP2025 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Mon 12PM 15SEP25 20.1 30.1 180 15.7 23.6 180 Mon 03PM 15SEP25 13.9 20.8 183 12.0 17.9 187 Mon 06PM 15SEP25 18.4 27.6 155 18.2 27.3 177 Mon 09PM 15SEP25 20.7 31.0 170 14.6 22.0 181 Tue 12AM 16SEP25 20.2 30.2 181 17.7 26.6 181 Tue 03AM 16SEP25 18.0 27.1 173 15.0 22.5 171 Tue 06AM 16SEP25 20.0 30.0 173 13.0 19.5 163 Tue 09AM 16SEP25 18.7 28.1 178 12.1 18.1 174 Tue 12PM 16SEP25 17.3 26.0 195 10.3 15.5 215 Tue 03PM 16SEP25 12.5 18.7 228 10.1 15.2 290 Tue 06PM 16SEP25 15.7 23.6 193 14.0 21.0 262 Tue 09PM 16SEP25 9.9 14.9 201 10.8 16.2 275 Wed 12AM 17SEP25 10.6 15.9 132 11.7 17.5 73 Wed 03AM 17SEP25 10.9 16.4 139 10.0 15.0 82 Wed 06AM 17SEP25 11.0 16.5 137 11.4 17.2 76 Wed 09AM 17SEP25 11.9 17.9 136 12.4 18.5 73 Wed 12PM 17SEP25 9.0 13.5 227 10.6 15.9 285 Wed 03PM 17SEP25 5.7 8.5 230 8.8 13.2 290 Wed 06PM 17SEP25 7.9 11.9 156 9.2 13.8 240 Wed 09PM 17SEP25 5.8 8.6 166 5.1 7.7 257 Thu 12AM 18SEP25 4.3 6.5 139 4.0 6.0 90 Thu 03AM 18SEP25 8.6 12.9 132 9.7 14.5 77 Thu 06AM 18SEP25 13.3 20.0 137 13.9 20.8 76 Thu 09AM 18SEP25 7.3 11.0 138 10.7 16.0 76 Thu 12PM 18SEP25 3.2 4.8 347 5.7 8.6 347 Thu 03PM 18SEP25 2.9 4.3 63 2.4 3.6 124 Thu 06PM 18SEP25 5.7 8.5 295 4.8 7.1 233 Thu 09PM 18SEP25 7.5 11.2 82 9.6 14.3 126 Fri 12AM 19SEP25 8.9 13.3 169 6.9 10.4 152 Fri 03AM 19SEP25 10.3 15.5 155 6.8 10.1 121 Fri 06AM 19SEP25 8.6 12.9 160 5.7 8.6 126 Fri 09AM 19SEP25 9.4 14.1 180 7.7 11.6 172 Fri 12PM 19SEP25 8.9 13.3 184 10.2 15.3 187 Fri 03PM 19SEP25 7.1 10.7 164 11.1 16.7 169 Fri 06PM 19SEP25 10.3 15.4 118 15.1 22.7 164 Fri 09PM 19SEP25 6.7 10.0 190 9.7 14.5 177 Sat 12AM 20SEP25 6.5 9.8 298 9.0 13.6 238 Sat 03AM 20SEP25 6.7 10.0 214 12.3 18.5 192 Sat 06AM 20SEP25 12.4 18.6 188 14.8 22.2 180 Sat 09AM 20SEP25 13.1 19.7 187 14.3 21.5 178 Sat 12PM 20SEP25 15.6 23.4 205 15.1 22.6 204 Sat 03PM 20SEP25 15.0 22.6 173 17.7 26.5 184 Sat 06PM 20SEP25 14.3 21.4 164 19.3 29.0 168 Sat 09PM 20SEP25 20.6 30.9 166 22.0 33.0 180 Sun 12AM 21SEP25 13.3 20.0 183 10.7 16.0 194 Sun 03AM 21SEP25 20.6 30.9 235 21.5 32.3 293 Sun 06AM 21SEP25 19.8 29.6 223 17.2 25.8 285 Sun 09AM 21SEP25 19.3 28.9 214 19.4 29.1 280 Sun 12PM 21SEP25 22.0 33.0 206 20.6 31.0 266 Sun 03PM 21SEP25 21.0 31.5 207 21.5 32.2 270 Sun 06PM 21SEP25 20.5 30.8 210 20.7 31.0 275 Sun 09PM 21SEP25 22.6 33.9 130 21.7 32.6 71 Mon 12AM 22SEP25 24.7 37.0 129 24.4 36.7 69 Mon 03AM 22SEP25 26.7 40.1 131 25.3 38.0 72 Mon 06AM 22SEP25 25.4 38.0 133 24.6 36.9 72 Mon 09AM 22SEP25 23.5 35.2 133 24.6 36.9 71 Mon 12PM 22SEP25 20.5 30.7 229 21.7 32.5 290 Mon 03PM 22SEP25 16.9 25.3 133 16.8 25.2 69 Mon 06PM 22SEP25 16.4 24.6 133 15.5 23.2 74 Mon 09PM 22SEP25 16.1 24.1 125 15.1 22.6 68 Tue 12AM 23SEP25 13.6 20.4 135 12.4 18.6 79 Tue 03AM 23SEP25 12.9 19.3 137 10.0 15.0 84 Tue 06AM 23SEP25 13.6 20.3 137 9.7 14.6 83 Tue 09AM 23SEP25 13.5 20.3 140 8.6 13.0 87 Tue 12PM 23SEP25 12.4 18.6 206 7.2 10.8 237 Tue 03PM 23SEP25 11.7 17.6 188 6.6 9.9 202 Tue 06PM 23SEP25 12.0 17.9 158 6.9 10.4 134 Tue 09PM 23SEP25 11.0 16.6 119 7.0 10.5 67 Wed 12AM 24SEP25 9.4 14.1 160 6.6 9.9 133 Wed 03AM 24SEP25 8.8 13.2 154 5.9 8.9 121 Wed 06AM 24SEP25 6.1 9.2 145 5.0 7.5 99 Wed 09AM 24SEP25 3.3 4.9 166 2.7 4.1 137 Wed 12PM 24SEP25 3.3 5.0 190 4.9 7.3 194 Wed 03PM 24SEP25 6.3 9.4 62 10.0 15.0 124 Wed 06PM 24SEP25 6.9 10.4 61 9.5 14.2 117 Wed 09PM 24SEP25 5.1 7.7 154 8.2 12.3 165 Thu 12AM 25SEP25 8.3 12.5 178 10.8 16.2 169 Thu 03AM 25SEP25 4.4 6.6 208 7.4 11.0 189 Thu 06AM 25SEP25 10.1 15.1 179 12.8 19.3 175 Thu 09AM 25SEP25 9.0 13.5 186 13.0 19.5 180 Thu 12PM 25SEP25 11.4 17.1 190 14.8 22.2 187

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