Active MJO Pushes East - What Effect Will Coming Inactive Phase Have? - Video Forecast HERE (12/7/25)

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Summit_I5_CA-OR - Snow Level Forecast Location: 42.06N 122.61W Base Elevation: 4318 ft Peak Elevation: 4318 ft   240 hour GFS Model (0.25 deg) - 3 hr incrememts   Data Initialized: 18Z Fri 12DEC2025 Day Frcst Time/Date 34.6 Deg Elev 32 Deg Elev 28 Deg Elev Srf Temp (F) Accum Snow (In) Fri 10AM 12DEC25 12005 12289 12732 45.3 - Fri 01PM 12DEC25 12003 12298 12759 56.6 0.0 Fri 04PM 12DEC25 11961 12272 12756 49.7 0.0 Fri 07PM 12DEC25 11978 12301 14020 41.3 0.0 Fri 10PM 12DEC25 11984 12285 12754 38.8 0.0 Sat 01AM 13DEC25 11962 12260 12724 38.7 0.0 Sat 04AM 13DEC25 11972 12262 12712 38.0 0.0 Sat 07AM 13DEC25 11933 12219 12664 36.6 0.0 Sat 10AM 13DEC25 11847 12140 12595 47.6 0.0 Sat 01PM 13DEC25 11820 12119 12585 58.9 0.0 Sat 04PM 13DEC25 10785 12044 12501 51.2 0.0 Sat 07PM 13DEC25 10762 12007 12438 42.7 0.0 Sat 10PM 13DEC25 10676 11941 12385 41.1 0.0 Sun 01AM 14DEC25 10487 11805 12284 38.6 0.0 Sun 04AM 14DEC25 10498 11819 12294 36.5 0.0 Sun 07AM 14DEC25 10267 10640 12125 35.1 0.0 Sun 10AM 14DEC25 10333 10683 12163 45.6 0.0 Sun 01PM 14DEC25 10234 10583 12093 54.5 0.0 Sun 04PM 14DEC25 10280 10642 12132 49.2 0.0 Sun 07PM 14DEC25 10141 10522 12050 42.2 0.0 Sun 10PM 14DEC25 10105 10532 12073 40.8 0.0 Mon 01AM 15DEC25 9975 10410 11969 42.8 0.0 Mon 04AM 15DEC25 8873 10181 11806 42.5 0.0 Mon 07AM 15DEC25 8819 10165 11816 41.6 0.0 Mon 10AM 15DEC25 8835 10151 10729 49.0 0.0 Mon 01PM 15DEC25 9878 10330 12095 50.4 0.0 Mon 04PM 15DEC25 8939 10223 10800 43.9 0.0 Mon 07PM 15DEC25 8657 9984 10630 45.4 0.0 Mon 10PM 15DEC25 8745 10028 10561 45.6 0.0 Tue 01AM 16DEC25 8446 8873 10767 46.7 0.0 Tue 04AM 16DEC25 8206 8758 10442 47.2 0.0 Tue 07AM 16DEC25 8206 8624 10102 48.2 0.0 Tue 10AM 16DEC25 7050 8347 10218 48.7 0.0 Tue 01PM 16DEC25 8141 8697 10515 49.9 0.0 Tue 04PM 16DEC25 8400 8843 10496 46.5 0.0 Tue 07PM 16DEC25 8448 8844 10494 45.4 0.0 Tue 10PM 16DEC25 8138 8470 9895 46.1 0.0 Wed 01AM 17DEC25 6728 7044 8415 48.8 0.0 Wed 04AM 17DEC25 5225 5570 6916 43.5 0.0 Wed 07AM 17DEC25 4858 5146 6411 36.6 0.0 Wed 10AM 17DEC25 3865 4945 5500 41.0 0.0 Wed 01PM 17DEC25 4998 5250 6460 45.0 0.0 Wed 04PM 17DEC25 4874 5124 5513 41.3 0.0 Wed 07PM 17DEC25 3659 4939 5439 34.8 0.0 Wed 10PM 17DEC25 2826 3592 5271 31.9 0.0 Thu 01AM 18DEC25 2193 2943 6422 29.6 0.0 Thu 04AM 18DEC25 2206 2957 5459 29.9 0.0 Thu 07AM 18DEC25 2572 3371 6579 31.0 0.0 Thu 10AM 18DEC25 3687 4862 6603 37.6 0.0 Thu 01PM 18DEC25 3835 4914 5545 40.5 0.0 Thu 04PM 18DEC25 3772 4917 6524 38.0 0.0 Thu 07PM 18DEC25 3554 3997 6617 35.3 22.3 Thu 10PM 18DEC25 3279 3904 7122 33.5 25.1 Fri 01AM 19DEC25 3048 3744 7143 32.4 30.4 Fri 04AM 19DEC25 3290 3952 6998 33.1 31.8 Fri 07AM 19DEC25 5033 5297 6524 34.5 0.0 Fri 10AM 19DEC25 3535 3928 5167 35.7 32.0 Fri 01PM 19DEC25 3440 3707 4934 36.0 0.0 Fri 04PM 19DEC25 3331 3697 5000 33.6 0.0 Fri 07PM 19DEC25 545 1305 2477 23.6 0.0 Fri 10PM 19DEC25 0 369 1549 20.9 0.0 Sat 01AM 20DEC25 0 0 997 19.2 0.0 Sat 04AM 20DEC25 0 0 693 18.3 0.0 Sat 07AM 20DEC25 0 0 757 18.6 0.0 Sat 10AM 20DEC25 1134 1890 3057 27.7 0.0 Sat 01PM 20DEC25 2809 3351 3751 33.2 0.0 Sat 04PM 20DEC25 2940 3432 3925 32.4 0.0 Sat 07PM 20DEC25 1793 2549 4796 28.1 0.0 Sat 10PM 20DEC25 853 1612 2783 24.5 0.0 Sun 01AM 21DEC25 460 1221 2393 23.2 0.0 Sun 04AM 21DEC25 1596 2351 3552 27.6 32.4 Sun 07AM 21DEC25 2128 2880 3736 29.3 34.8 Sun 10AM 21DEC25 2912 3422 3922 32.2 36.1 Sun 01PM 21DEC25 3324 3633 4925 33.8 37.2 Sun 04PM 21DEC25 2966 3476 4829 32.4 0.0 Sun 07PM 21DEC25 1462 2218 3328 27.1 0.0 Sun 10PM 21DEC25 0 0 524 17.0 0.0 Mon 01AM 22DEC25 0 0 0 14.7 0.0 Mon 04AM 22DEC25 0 0 0 13.7 0.0 Mon 07AM 22DEC25 0 0 0 15.4 0.0 Mon 10AM 22DEC25 620 1380 2549 26.1 0.0

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