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

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Northstar - Wind Forecast Location: 39.25N 120.14W Base Elevation: 6330 ft Peak Elevation: 8610 ft   240 hour GFS Model (0.25 deg) - 3 hr incrememts   Data Initialized: 18Z Thu 18SEP2025 Day Frcst Time/Date Speed (kts) Gust (kts) Dir (degs) MidSpd (kts) Gust (kts) Dir (degs) Thu 11AM 18SEP25 8.5 12.8 287 9.4 14.2 308 Thu 02PM 18SEP25 10.8 16.3 312 7.4 11.0 305 Thu 05PM 18SEP25 12.9 19.4 338 8.3 12.4 336 Thu 08PM 18SEP25 12.5 18.7 221 8.2 12.2 264 Thu 11PM 18SEP25 10.2 15.3 15 10.1 15.2 12 Fri 02AM 19SEP25 8.7 13.1 268 10.8 16.2 297 Fri 05AM 19SEP25 12.4 18.7 275 14.3 21.5 302 Fri 08AM 19SEP25 3.6 5.3 75 8.5 12.8 43 Fri 11AM 19SEP25 5.2 7.8 83 10.2 15.4 51 Fri 02PM 19SEP25 5.6 8.3 108 4.5 6.8 165 Fri 05PM 19SEP25 5.7 8.6 109 5.1 7.7 68 Fri 08PM 19SEP25 8.7 13.0 73 8.4 12.6 52 Fri 11PM 19SEP25 9.6 14.4 72 7.7 11.6 53 Sat 02AM 20SEP25 10.1 15.2 73 9.2 13.9 52 Sat 05AM 20SEP25 5.3 8.0 66 8.5 12.7 47 Sat 08AM 20SEP25 5.4 8.1 71 8.9 13.3 49 Sat 11AM 20SEP25 5.9 8.8 255 7.0 10.6 301 Sat 02PM 20SEP25 5.6 8.4 265 5.1 7.7 284 Sat 05PM 20SEP25 6.3 9.5 266 5.4 8.1 295 Sat 08PM 20SEP25 7.2 10.8 177 5.9 8.9 175 Sat 11PM 20SEP25 8.0 12.1 77 8.6 12.9 54 Sun 02AM 21SEP25 7.8 11.7 97 7.4 11.1 58 Sun 05AM 21SEP25 8.5 12.8 165 4.8 7.3 114 Sun 08AM 21SEP25 6.6 9.8 169 5.2 7.8 168 Sun 11AM 21SEP25 6.1 9.2 200 4.3 6.5 200 Sun 02PM 21SEP25 7.0 10.5 221 4.2 6.2 224 Sun 05PM 21SEP25 7.8 11.7 208 7.0 10.5 199 Sun 08PM 21SEP25 4.2 6.2 111 4.6 6.8 130 Sun 11PM 21SEP25 3.1 4.7 65 7.3 11.0 37 Mon 02AM 22SEP25 5.1 7.7 149 5.9 8.9 54 Mon 05AM 22SEP25 3.3 4.9 98 2.7 4.0 119 Mon 08AM 22SEP25 7.0 10.5 23 2.1 3.1 82 Mon 11AM 22SEP25 9.7 14.5 136 5.8 8.7 95 Mon 02PM 22SEP25 13.3 19.9 130 10.8 16.3 90 Mon 05PM 22SEP25 14.1 21.2 137 13.5 20.2 95 Mon 08PM 22SEP25 5.7 8.5 24 7.3 11.0 16 Mon 11PM 22SEP25 7.2 10.8 28 5.9 8.8 29 Tue 02AM 23SEP25 7.9 11.8 24 6.7 10.0 22 Tue 05AM 23SEP25 7.3 10.9 26 6.8 10.2 22 Tue 08AM 23SEP25 6.2 9.4 25 6.2 9.4 21 Tue 11AM 23SEP25 6.8 10.1 213 6.6 9.9 259 Tue 02PM 23SEP25 9.9 14.8 345 7.6 11.4 349 Tue 05PM 23SEP25 13.1 19.6 341 12.0 18.1 345 Tue 08PM 23SEP25 7.7 11.5 21 6.5 9.7 20 Tue 11PM 23SEP25 7.1 10.7 28 5.7 8.6 26 Wed 02AM 24SEP25 6.0 9.1 36 4.7 7.0 33 Wed 05AM 24SEP25 2.5 3.8 79 2.1 3.2 88 Wed 08AM 24SEP25 2.6 3.9 132 3.5 5.3 142 Wed 11AM 24SEP25 5.2 7.8 253 5.3 7.9 235 Wed 02PM 24SEP25 6.3 9.4 247 5.9 8.8 233 Wed 05PM 24SEP25 6.0 9.0 248 7.0 10.4 229 Wed 08PM 24SEP25 4.0 6.0 153 6.5 9.8 157 Wed 11PM 24SEP25 8.2 12.3 164 8.8 13.2 167 Thu 02AM 25SEP25 12.0 17.9 171 11.2 16.8 172 Thu 05AM 25SEP25 15.2 22.8 171 14.7 22.0 172 Thu 08AM 25SEP25 13.5 20.2 168 13.5 20.3 171 Thu 11AM 25SEP25 15.6 23.4 206 14.2 21.4 205 Thu 02PM 25SEP25 15.0 22.5 206 14.8 22.1 203 Thu 05PM 25SEP25 13.0 19.5 205 14.2 21.3 200 Thu 08PM 25SEP25 9.1 13.7 169 10.9 16.3 171 Thu 11PM 25SEP25 8.3 12.4 167 8.8 13.2 168 Fri 02AM 26SEP25 8.8 13.2 166 8.7 13.1 168 Fri 05AM 26SEP25 8.3 12.4 163 8.0 12.0 164 Fri 08AM 26SEP25 5.5 8.3 171 5.8 8.6 170 Fri 11AM 26SEP25 8.3 12.4 225 7.7 11.6 215 Fri 02PM 26SEP25 11.9 17.9 219 9.4 14.1 221 Fri 05PM 26SEP25 13.4 20.1 211 10.9 16.4 210 Fri 08PM 26SEP25 12.7 19.0 184 9.0 13.5 173 Fri 11PM 26SEP25 11.6 17.5 173 8.8 13.2 163 Sat 02AM 27SEP25 15.9 23.9 184 12.0 18.1 177 Sat 05AM 27SEP25 21.2 31.8 181 16.9 25.4 177 Sat 08AM 27SEP25 22.7 34.1 182 16.6 24.9 181 Sat 11AM 27SEP25 25.0 37.4 208 18.7 28.0 221 Sat 02PM 27SEP25 25.0 37.5 212 18.5 27.7 227 Sat 05PM 27SEP25 26.7 40.0 205 18.1 27.1 228 Sat 08PM 27SEP25 23.5 35.3 178 16.4 24.6 176 Sat 11PM 27SEP25 20.9 31.4 185 14.6 21.9 175 Sun 02AM 28SEP25 18.7 28.0 181 12.0 18.0 167 Sun 05AM 28SEP25 17.8 26.7 181 11.5 17.3 173 Sun 08AM 28SEP25 17.3 26.0 196 10.7 16.1 191 Sun 11AM 28SEP25 20.2 30.3 230 16.8 25.3 263

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