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

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Grouse - Snow Level Forecast Location: 49.38N 123.07W Base Elevation: 2890 ft Peak Elevation: 4101 ft   240 hour GFS Model (0.25 deg) - 3 hr incrememts   Data Initialized: 18Z Tue 16SEP2025 Day Frcst Time/Date 34.6 Deg Elev 32 Deg Elev 28 Deg Elev Srf Temp (F) Accum Snow (In) Tue 11AM 16SEP25 13865 14200 14724 63.9 - Tue 02PM 16SEP25 13816 14168 14717 65.4 0.0 Tue 05PM 16SEP25 12737 14133 14710 68.3 0.0 Tue 08PM 16SEP25 12462 13891 14661 70.6 0.0 Tue 11PM 16SEP25 12149 12534 14543 66.1 0.0 Wed 02AM 17SEP25 11953 12354 14400 65.5 0.0 Wed 05AM 17SEP25 11786 12160 12744 63.6 0.0 Wed 08AM 17SEP25 10537 11914 12645 62.9 0.0 Wed 11AM 17SEP25 10311 10664 12273 65.1 0.0 Wed 02PM 17SEP25 10201 10620 12234 63.7 0.0 Wed 05PM 17SEP25 9926 10333 11970 64.2 0.0 Wed 08PM 17SEP25 8864 10237 12016 63.7 0.0 Wed 11PM 17SEP25 8726 10072 11941 62.3 0.0 Thu 02AM 18SEP25 8551 8938 11919 60.3 0.0 Thu 05AM 18SEP25 8646 10143 12001 58.6 0.0 Thu 08AM 18SEP25 8754 10273 12055 58.0 0.0 Thu 11AM 18SEP25 10050 10477 12072 59.3 0.0 Thu 02PM 18SEP25 10049 10496 12146 59.9 0.0 Thu 05PM 18SEP25 10150 10620 12244 61.4 0.0 Thu 08PM 18SEP25 10324 11823 12420 60.8 0.0 Thu 11PM 18SEP25 10502 11943 12573 60.0 0.0 Fri 02AM 19SEP25 10772 12061 12542 57.1 0.0 Fri 05AM 19SEP25 11795 12175 12769 56.8 0.0 Fri 08AM 19SEP25 11860 12349 14473 56.5 0.0 Fri 11AM 19SEP25 11879 12318 14404 59.3 0.0 Fri 02PM 19SEP25 11927 12477 14561 59.8 0.0 Fri 05PM 19SEP25 12018 12464 14525 60.0 0.0 Fri 08PM 19SEP25 11995 12411 14472 60.2 0.0 Fri 11PM 19SEP25 11923 12390 14488 60.2 0.0 Sat 02AM 20SEP25 10529 12004 13989 58.6 0.0 Sat 05AM 20SEP25 10151 10707 12371 56.8 0.0 Sat 08AM 20SEP25 8765 10142 11950 57.5 0.0 Sat 11AM 20SEP25 6951 10543 12377 57.6 0.0 Sat 02PM 20SEP25 8433 10277 12140 56.1 0.0 Sat 05PM 20SEP25 8579 8949 10697 56.7 0.0 Sat 08PM 20SEP25 8166 8661 10363 57.2 0.0 Sat 11PM 20SEP25 7018 8334 9970 57.1 0.0 Sun 02AM 21SEP25 6680 6987 8346 57.8 0.0 Sun 05AM 21SEP25 6457 6880 8352 57.9 0.0 Sun 08AM 21SEP25 6434 6778 8180 57.5 0.0 Sun 11AM 21SEP25 5563 6818 8357 58.2 0.0 Sun 02PM 21SEP25 6499 6961 8518 58.4 0.0 Sun 05PM 21SEP25 6638 7062 10319 59.3 0.0 Sun 08PM 21SEP25 6707 10618 12341 58.8 0.0 Sun 11PM 21SEP25 10250 10770 12385 56.9 0.0 Mon 02AM 22SEP25 10288 11833 12766 55.9 0.0 Mon 05AM 22SEP25 10672 12303 14515 54.1 0.0 Mon 08AM 22SEP25 11942 12356 14416 54.0 0.0 Mon 11AM 22SEP25 11811 12177 12750 58.6 0.0 Mon 02PM 22SEP25 10570 11997 12649 58.8 0.0 Mon 05PM 22SEP25 10566 11954 12580 62.9 0.0 Mon 08PM 22SEP25 10178 10755 12407 61.6 0.0 Mon 11PM 22SEP25 8822 10330 12192 60.2 0.0 Tue 02AM 23SEP25 9911 10387 12101 59.8 0.0 Tue 05AM 23SEP25 7098 8410 10801 58.1 0.0 Tue 08AM 23SEP25 6875 7224 8889 55.9 0.0 Tue 11AM 23SEP25 6727 7176 9896 55.2 0.0 Tue 02PM 23SEP25 6622 7095 8760 55.1 0.0 Tue 05PM 23SEP25 5487 6813 8587 55.0 0.0 Tue 08PM 23SEP25 5417 6708 8306 54.7 0.0 Tue 11PM 23SEP25 5364 6555 7178 55.4 0.0 Wed 02AM 24SEP25 5375 6581 7160 54.6 0.0 Wed 05AM 24SEP25 5217 6431 7051 53.6 0.0 Wed 08AM 24SEP25 5168 6393 6975 54.0 0.0 Wed 11AM 24SEP25 4959 5341 6795 55.5 0.0 Wed 02PM 24SEP25 5100 5457 6907 56.2 0.0 Wed 05PM 24SEP25 5263 6434 7021 57.8 0.0 Wed 08PM 24SEP25 5328 6501 8251 56.9 0.0 Wed 11PM 24SEP25 5417 6611 8240 56.2 0.0 Thu 02AM 25SEP25 5368 6497 7127 56.5 0.0 Thu 05AM 25SEP25 5198 5558 9890 54.0 0.0 Thu 08AM 25SEP25 5317 6991 8903 53.1 0.0 Thu 11AM 25SEP25 5405 6852 8730 53.3 0.0 Thu 02PM 25SEP25 6415 6885 8558 52.8 0.0 Thu 05PM 25SEP25 6631 7047 8676 52.8 0.0 Thu 08PM 25SEP25 6803 7187 8887 53.2 0.0 Thu 11PM 25SEP25 6688 7043 8559 52.8 0.0 Fri 02AM 26SEP25 6682 7083 8616 54.2 0.0 Fri 05AM 26SEP25 6550 6951 8458 54.4 0.0 Fri 08AM 26SEP25 5494 6722 8257 53.9 0.0 Fri 11AM 26SEP25 5408 6671 8275 55.2 0.0

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