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Mammoth Weather Outlook
Dry conditions with a stable airmass will continue for the Sierra through Sunday…..Thereafter a southerly jet brings another opportunity for Showers and Thunderstorms as Early as Monday with increasing chances Tuesday and Wednesday for Additional Rain….
Thursday August 11, 2022
A dry SW flow continues to keep the Owens Valley and the Sierra, storm free through Sunday. This is due to a closed low off the coast, that opened into a Trof and was responsible for ushering in of dryer air last Saturday. The behavior of the Trof will change early next week, as it retrogrades west and allows the Continental High and Monsoon Ridge to back up again toward the CA/NV Boarder, (Monday into Tuesday). Thus another surge of Monsoonal moisture is destined northward into CA early next week. Of course, moisture alone does not necessarily give us rain in CA. However, a southerly jet will take its aim toward our area Monday and Tuesday, providing lift through Thursday. There after, the flow backs once again from the WSW providing another dry spell for the following weekend.
Daytime highs are mostly seasonal now with mid to upper 70s while lows at night in the mid to upper 40s. With moisture increasing early next week, our highs will pull back toward the low 70s while the mins will possibly move upwards to the low to mid 50s. Wind should not be an issue this weekend into middle of next week, although the Mono Zephyr may be a bit stronger Friday during the afternoon and early evening hours.