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

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Mammoth - Wind Forecast Location: 37.64N 119.02W Base Elevation: 7953 ft Peak Elevation: 11053 ft   240 hour GFS Model (0.25 deg) - 3 hr incrememts   Data Initialized: 12Z Thu 18SEP2025 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Thu 05AM 18SEP25 6.6 10.0 56 5.2 7.8 94 Thu 08AM 18SEP25 5.7 8.6 50 4.5 6.8 86 Thu 11AM 18SEP25 6.3 9.4 319 4.1 6.2 289 Thu 02PM 18SEP25 13.2 19.8 348 10.4 15.5 345 Thu 05PM 18SEP25 16.7 25.0 347 12.6 18.9 344 Thu 08PM 18SEP25 9.6 14.4 94 15.0 22.5 131 Thu 11PM 18SEP25 10.5 15.7 50 10.0 15.1 106 Fri 02AM 19SEP25 6.1 9.1 158 13.2 19.8 169 Fri 05AM 19SEP25 6.0 9.0 157 9.3 13.9 167 Fri 08AM 19SEP25 5.8 8.6 192 11.0 16.4 186 Fri 11AM 19SEP25 9.5 14.3 187 12.0 18.1 185 Fri 02PM 19SEP25 5.3 8.0 165 9.6 14.4 172 Fri 05PM 19SEP25 4.3 6.5 155 8.5 12.7 167 Fri 08PM 19SEP25 3.6 5.4 155 6.3 9.5 165 Fri 11PM 19SEP25 4.4 6.6 110 6.8 10.2 140 Sat 02AM 20SEP25 4.5 6.7 123 7.0 10.5 145 Sat 05AM 20SEP25 4.8 7.2 105 7.3 11.0 134 Sat 08AM 20SEP25 3.4 5.1 84 7.1 10.7 126 Sat 11AM 20SEP25 6.1 9.1 242 9.0 13.5 218 Sat 02PM 20SEP25 7.4 11.1 253 8.4 12.7 231 Sat 05PM 20SEP25 6.8 10.2 274 7.9 11.9 242 Sat 08PM 20SEP25 6.0 9.0 47 6.8 10.2 107 Sat 11PM 20SEP25 4.7 7.0 86 7.5 11.3 125 Sun 02AM 21SEP25 5.1 7.6 135 8.4 12.6 153 Sun 05AM 21SEP25 6.1 9.2 152 8.6 12.9 162 Sun 08AM 21SEP25 7.2 10.8 170 7.5 11.2 172 Sun 11AM 21SEP25 6.5 9.8 216 5.9 8.8 212 Sun 02PM 21SEP25 7.1 10.7 247 6.0 9.0 256 Sun 05PM 21SEP25 5.1 7.7 234 5.0 7.5 252 Sun 08PM 21SEP25 5.4 8.1 134 4.1 6.1 86 Sun 11PM 21SEP25 3.9 5.8 53 4.1 6.2 38 Mon 02AM 22SEP25 4.6 6.8 33 4.9 7.4 26 Mon 05AM 22SEP25 4.6 6.9 60 4.7 7.1 45 Mon 08AM 22SEP25 5.1 7.7 40 5.9 8.8 31 Mon 11AM 22SEP25 6.7 10.0 345 7.0 10.5 352 Mon 02PM 22SEP25 7.6 11.4 326 8.2 12.3 331 Mon 05PM 22SEP25 9.4 14.1 328 9.5 14.3 334 Mon 08PM 22SEP25 13.0 19.5 95 12.9 19.3 3 Mon 11PM 22SEP25 11.4 17.1 22 10.8 16.2 18 Tue 02AM 23SEP25 9.5 14.3 27 9.4 14.1 21 Tue 05AM 23SEP25 9.4 14.1 30 9.2 13.9 24 Tue 08AM 23SEP25 8.7 13.0 26 8.2 12.2 23 Tue 11AM 23SEP25 8.2 12.2 349 6.7 10.0 352 Tue 02PM 23SEP25 5.7 8.6 325 6.1 9.2 333 Tue 05PM 23SEP25 8.8 13.2 326 8.9 13.4 332 Tue 08PM 23SEP25 11.6 17.4 8 9.4 14.1 8 Tue 11PM 23SEP25 8.4 12.5 31 6.0 9.0 38 Wed 02AM 24SEP25 6.1 9.2 36 5.3 7.9 29 Wed 05AM 24SEP25 5.2 7.8 52 6.5 9.7 35 Wed 08AM 24SEP25 5.1 7.7 38 6.6 9.9 26 Wed 11AM 24SEP25 5.1 7.7 318 6.5 9.7 332 Wed 02PM 24SEP25 8.0 12.0 283 8.8 13.2 297 Wed 05PM 24SEP25 6.6 9.9 284 8.0 12.0 306 Wed 08PM 24SEP25 5.3 8.0 101 5.9 8.9 7 Wed 11PM 24SEP25 4.2 6.4 39 4.9 7.4 29 Thu 02AM 25SEP25 4.5 6.8 118 4.1 6.2 75 Thu 05AM 25SEP25 5.6 8.4 122 4.6 7.0 81 Thu 08AM 25SEP25 4.9 7.4 138 3.5 5.2 105 Thu 11AM 25SEP25 5.6 8.4 224 4.6 6.9 226 Thu 02PM 25SEP25 7.1 10.7 240 6.4 9.5 237 Thu 05PM 25SEP25 5.3 8.0 241 5.9 8.8 228 Thu 08PM 25SEP25 2.8 4.2 118 3.5 5.3 140 Thu 11PM 25SEP25 5.3 7.9 150 5.5 8.2 159 Fri 02AM 26SEP25 9.2 13.7 162 8.6 13.0 165 Fri 05AM 26SEP25 10.4 15.6 165 8.7 13.1 168 Fri 08AM 26SEP25 10.5 15.7 168 7.5 11.3 168 Fri 11AM 26SEP25 11.1 16.7 215 7.5 11.2 239 Fri 02PM 26SEP25 14.2 21.3 220 10.3 15.4 238 Fri 05PM 26SEP25 17.0 25.6 211 11.0 16.5 230 Fri 08PM 26SEP25 18.5 27.8 181 10.9 16.3 180 Fri 11PM 26SEP25 19.5 29.2 161 11.5 17.3 147 Sat 02AM 27SEP25 18.7 28.0 160 10.8 16.3 144 Sat 05AM 27SEP25 19.5 29.3 172 12.3 18.4 170 Sat 08AM 27SEP25 19.2 28.8 175 13.7 20.5 176 Sat 11AM 27SEP25 18.5 27.7 195 14.0 21.0 198 Sat 02PM 27SEP25 19.8 29.6 199 15.7 23.6 200 Sat 05PM 27SEP25 20.6 30.9 195 18.1 27.1 194 Sat 08PM 27SEP25 21.6 32.4 180 20.7 31.0 181 Sat 11PM 27SEP25 24.9 37.4 176 23.6 35.4 177 Sun 02AM 28SEP25 25.4 38.1 178 25.6 38.4 179 Sun 05AM 28SEP25 26.1 39.1 179 28.0 42.1 180

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