![]() As the front passed, gusts of 40 to 55 mph were measured at many locations. Southwest flow aloft ahead of a much stronger Pacific cold front added 10-15 degrees to highs on the 17th and 18th. #idwx #orwx /CVzg3ul8QVĪnother Pacific cold front passed on the evening of the 15 th, lowering highs on the 16th by around 10 degrees. Slightly warmer westerly flow aloft from the 12th through the 15 th provided highs in the lower 80s at lower elevations…near normal for mid September.Ī sunny, smoke-free September day as seen from space. But we checked the mountain cameras (below courtesy of Bogus Basin) and can confirm once the fog dissipates it will be nice clear day! #Idwx #orwx /isQCzLYPrJįollowing the trough, temperatures remained cool on the 11th. Yes the fog is making it difficult to see the mostly smoke free sky this morning. Many locations experienced wind gusts in the 40-50 mph range as the front passed. The high the following day was 20 degrees cooler as a Pacific cold front and upper level trough crossed our area. Except for Ontario, these were all records for the date. Wildfire smoke limited heating to some extent, but temperatures still managed to reach the 93 at Baker City, Burns, and Twin Falls, 94 at Ontario, 95 at Jerome, and 98 at Boise. Temperatures topped out at 10-15 degrees above normal on the 9th. kept temperatures 5-10 degrees below normal through the 3rd.Ī warming trend commenced on the 4th as an upper level high pressure ridge built over the Intermountain Region. Precipitation presented a patchwork pattern, reflecting the predominantly convective nature of the heavier precipitation events.Ī weak upper level low pressure trough hanging over the northwest U.S. Temperatures were above normal over more than half of the area. The trend reversed in November, with below normal precipitation nearly everywhere. In October the entire area was wetter or much wetter than normal. September precipitation ranged from above to below normal. Temperatures were generally above normal in September and October, and above or much above normal in November. Overall, fall was warmer and wetter than normal.
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