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

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Chugach_1 - Wind Forecast Location: 60.60N 145.12W Base Elevation: 2931 ft Peak Elevation: 6070 ft   240 hour GFS Model (0.25 deg) - 3 hr incrememts   Data Initialized: 18Z Wed 17SEP2025 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Wed 11AM 17SEP25 7.2 10.9 158 8.6 12.8 156 Wed 02PM 17SEP25 5.4 8.1 216 5.0 7.5 238 Wed 05PM 17SEP25 8.7 13.0 216 7.2 10.7 237 Wed 08PM 17SEP25 7.1 10.7 229 5.4 8.1 226 Wed 11PM 17SEP25 9.6 14.5 201 11.8 17.7 189 Thu 02AM 18SEP25 17.1 25.6 202 18.2 27.3 199 Thu 05AM 18SEP25 17.8 26.7 213 20.5 30.8 209 Thu 08AM 18SEP25 23.1 34.7 209 25.6 38.3 212 Thu 11AM 18SEP25 24.5 36.8 180 28.5 42.8 192 Thu 02PM 18SEP25 28.7 43.0 188 34.5 51.7 202 Thu 05PM 18SEP25 28.8 43.3 80 33.4 50.2 92 Thu 08PM 18SEP25 35.9 53.9 205 35.2 52.8 202 Thu 11PM 18SEP25 34.5 51.8 206 36.8 55.2 207 Fri 02AM 19SEP25 34.3 51.5 199 35.6 53.5 199 Fri 05AM 19SEP25 30.1 45.1 202 31.9 47.9 74 Fri 08AM 19SEP25 29.5 44.3 194 26.9 40.4 193 Fri 11AM 19SEP25 34.6 52.0 203 37.0 55.6 201 Fri 02PM 19SEP25 26.3 39.4 206 29.1 43.6 204 Fri 05PM 19SEP25 29.1 43.6 222 27.8 41.7 218 Fri 08PM 19SEP25 25.4 38.0 207 23.5 35.2 200 Fri 11PM 19SEP25 22.6 33.8 208 22.0 33.0 200 Sat 02AM 20SEP25 25.3 38.0 72 25.0 37.5 80 Sat 05AM 20SEP25 23.9 35.9 73 22.7 34.1 76 Sat 08AM 20SEP25 18.6 27.9 76 17.5 26.2 82 Sat 11AM 20SEP25 13.4 20.1 215 12.2 18.2 77 Sat 02PM 20SEP25 9.8 14.7 81 8.4 12.5 91 Sat 05PM 20SEP25 8.6 12.8 103 6.6 9.8 119 Sat 08PM 20SEP25 7.5 11.2 102 7.5 11.3 113 Sat 11PM 20SEP25 9.7 14.5 224 8.4 12.6 220 Sun 02AM 21SEP25 11.8 17.6 208 11.8 17.7 203 Sun 05AM 21SEP25 12.9 19.3 197 12.5 18.8 187 Sun 08AM 21SEP25 13.3 20.0 200 13.9 20.9 195 Sun 11AM 21SEP25 15.6 23.4 195 16.6 24.8 188 Sun 02PM 21SEP25 17.1 25.6 197 17.7 26.5 190 Sun 05PM 21SEP25 17.3 26.0 200 17.0 25.5 192 Sun 08PM 21SEP25 22.3 33.4 205 21.1 31.6 72 Sun 11PM 21SEP25 23.2 34.8 205 22.5 33.7 195 Mon 02AM 22SEP25 20.3 30.5 202 19.8 29.7 66 Mon 05AM 22SEP25 12.5 18.7 188 10.4 15.6 181 Mon 08AM 22SEP25 12.4 18.6 198 10.1 15.2 204 Mon 11AM 22SEP25 10.5 15.8 210 9.3 13.9 226 Mon 02PM 22SEP25 6.8 10.2 21 4.6 6.9 24 Mon 05PM 22SEP25 8.1 12.1 104 7.6 11.4 154 Mon 08PM 22SEP25 10.8 16.2 161 11.7 17.6 162 Mon 11PM 22SEP25 8.4 12.6 173 8.4 12.6 46 Tue 02AM 23SEP25 5.0 7.5 174 7.1 10.7 202 Tue 05AM 23SEP25 6.0 9.0 234 5.3 7.9 213 Tue 08AM 23SEP25 7.8 11.6 84 11.9 17.8 102 Tue 11AM 23SEP25 26.4 39.6 69 27.6 41.4 75 Tue 02PM 23SEP25 36.6 55.0 192 41.7 62.6 196 Tue 05PM 23SEP25 23.8 35.6 186 26.2 39.3 178 Tue 08PM 23SEP25 19.4 29.2 199 19.4 29.1 195 Tue 11PM 23SEP25 15.7 23.6 236 17.0 25.5 239 Wed 02AM 24SEP25 14.9 22.3 189 15.1 22.7 196 Wed 05AM 24SEP25 23.4 35.1 193 23.0 34.5 198 Wed 08AM 24SEP25 37.1 55.6 208 36.8 55.2 201 Wed 11AM 24SEP25 40.8 61.1 203 42.5 63.8 199 Wed 02PM 24SEP25 40.7 61.0 205 44.4 66.6 202 Wed 05PM 24SEP25 43.0 64.5 206 45.6 68.4 201 Wed 08PM 24SEP25 45.6 68.4 209 44.3 66.4 202 Wed 11PM 24SEP25 43.6 65.4 215 42.1 63.1 78 Thu 02AM 25SEP25 36.2 54.3 211 35.8 53.8 205 Thu 05AM 25SEP25 30.7 46.1 74 30.7 46.0 82 Thu 08AM 25SEP25 27.8 41.7 199 27.9 41.9 198 Thu 11AM 25SEP25 19.3 28.9 74 19.4 29.1 78 Thu 02PM 25SEP25 9.4 14.1 18 8.5 12.7 7 Thu 05PM 25SEP25 10.6 15.9 204 12.2 18.4 218 Thu 08PM 25SEP25 12.4 18.7 243 11.3 17.0 243 Thu 11PM 25SEP25 11.2 16.7 261 10.7 16.1 265 Fri 02AM 26SEP25 12.6 18.9 268 13.6 20.5 275 Fri 05AM 26SEP25 9.6 14.4 262 11.7 17.6 277 Fri 08AM 26SEP25 9.5 14.3 227 9.3 14.0 241 Fri 11AM 26SEP25 9.5 14.3 215 8.6 13.0 211 Fri 02PM 26SEP25 13.0 19.5 204 13.6 20.3 199 Fri 05PM 26SEP25 12.5 18.7 202 12.3 18.5 203 Fri 08PM 26SEP25 12.5 18.7 194 12.1 18.1 191 Fri 11PM 26SEP25 14.2 21.2 189 12.2 18.3 185 Sat 02AM 27SEP25 15.1 22.6 191 14.2 21.4 173 Sat 05AM 27SEP25 18.6 28.0 186 17.6 26.3 187 Sat 08AM 27SEP25 21.4 32.1 185 21.3 31.9 185 Sat 11AM 27SEP25 27.3 41.0 201 29.1 43.7 204

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