Updates from March, 2017 Toggle Comment Threads | Keyboard Shortcuts

  • Dennis 5:22 AM on March 23, 2017 Permalink | Reply  

    FORECAST 23-MAR-2017 

    AREA FORECAST: Owens Valley / Mammoth Lakes / Mono County
    FROM: Dennis “Matt” Mattinson, Weather and Atmospheric Forecaster
    FOR: Sierra Wave Media / Eastern Sierra News / sierrawave.net / KSRW 92.5 FM / TV- 3 / 395travel.com 

     
    THU MAR 23 2017
     
    WEATHER DISCUSSION:
    We have a break in the action today, with Mammoth Mountain picking up another 8 inches of new snow yesterday, for a season total of 528 inches. The next storm moves on later Friday and this is a splitter, so expected precipitation amounts will be lighter. Snow levels should run about 7,000 feet. We should start to clear out later Saturday with another break on Sunday. By late Sunday into Monday, yet another, colder storm hits the area, snow levels down to 6,000 feet. Mostly dry on Tuesday, as high pressure decides to make it presence felt. -DMATT-
    SHORT TERM FORECAST:

    Owens Valley:
    Today: Mostly sunny —> partly cloudy. 66 F / 35 F. SW 15 – 20 mph.
    Friday: 50% PM rain. 68 F / 40 F. SE 10 – 15 mph.

    Town of Mammoth Lakes:

    Today: Mostly sunny —> partly cloudy. 45 F / 26 F. SW 5 – 10 mph.
    Friday: 50% —> 90% snow. 44 F / 29 F. SW 10 – 20 mph G 30.

    Mono County:

    Today: Sunny —> partly cloudy. 45 – 55 F / 22 – 32 F. S 15 – 25 mph G 45.
    Friday: 50% —> 90% snow. 46 – 56 F  / 24 – 34 F. S 10  – 15 mph G 35.


    DENNIS’ PROBABILITY OF PRECIPITATION (PoPs); 
     
    10% – Unlikely, Isolated
    20% – Slight Chance, Scattered
    30 – 50% – Chance
    60 – 80% – Likely

    90 – 100% – Virtually Certain
     
  • Dennis 5:14 AM on March 22, 2017 Permalink | Reply  

    FORECAST 22-MAR-2017 

    AREA FORECAST: Owens Valley / Mammoth Lakes / Mono County
    FROM: Dennis “Matt” Mattinson, Weather and Atmospheric Forecaster
    FOR: Sierra Wave Media / Eastern Sierra News / sierrawave.net / KSRW 92.5 FM / TV- 3 / 395travel.com 

     
    WED MAR 22 2017
     
    WEATHER DISCUSSION:
     
    Valley rain and mountain snow diminished a bit last night, but returns today. Snow levels will generally at about 6,500 – 7,500 feet. By tonight most of the precipitation will shift east leaving drier conditions on Thursday. The next system Friday into Saturday, continues to trend towards splitting, leaving lighter amounts of precipitation, with snow levels at 6,500 – 7,000 feet. Showers linger into Sunday / Monday before clearing. More updates to follow. -DMATT-
     
    SHORT TERM FORECAST:

    Owens Valley:
    Today: 40% rain / thunderstorms. 61 F / 36 F. NW 10 – 15 mph.
    Thursday: Mostly sunny. 65 F / 35 F. N 10 mph.

    Town of Mammoth Lakes:

    Today: 50% snow. 39 F / 22 F. SW 5 – 10 mph.
    Thursday: Mostly sunny —> partly cloudy. 45 F / 26 F. SW 10 mph.

    Mono County:

    Today: 60% snow. 42 – 52 F / 13 – 23. NW 10 – 15 mph G 30.
    Thursday: Partly cloudy. 46 – 56 F  / 23 – 33 F. NW 10 mph.


    DENNIS’ PROBABILITY OF PRECIPITATION (PoPs); 
     
    10% – Unlikely, Isolated
    20% – Slight Chance, Scattered
    30 – 50% – Chance
    60 – 80% – Likely

    90 – 100% – Virtually Certain
     
  • Dennis 5:29 AM on March 21, 2017 Permalink | Reply  

    FORECAST 21-MAR-2017 

    AREA FORECAST: Owens Valley / Mammoth Lakes / Mono County
    FROM: Dennis “Matt” Mattinson, Weather and Atmospheric Forecaster
    FOR: Sierra Wave Media / Eastern Sierra News / sierrawave.net / KSRW 92.5 FM / TV- 3 / 395travel.com 

     
    TUE MAR 21 2017
     
    WEATHER DISCUSSION:
     
    In case you all missed it, yesterday March 20th was the first day of Spring 2017.  A Spring storm has moved in today bringing rain to the valleys, snow to the mountains with windy conditions. 12 – 18 inches of snow is possible over the Crest with levels about 8,000 feet dropping to 6,000 overnight. This storm will run into Wednesday with scattered showers, then theres a break on Thursday. Another system on Friday into Saturday, and this one has a subtropical feed, but it could split. I will have more updates on this one in tomorrows forecast. -DMATT-
    SHORT TERM FORECAST:

    Owens Valley:
    Today: 60% —> 20% rain. 67 F / 38 F. NE 15 – 20 mph.
    Wednesday: 50% rain. 61 F / 35 F. N 5 – 15 mph.

    Town of Mammoth Lakes:

    Today: 100% —> 60% snow. 43 F / 29 F. SW 15 – 20 mph G 35.
    Wednesday: 50% snow. 39 F / 22 F. SW 5 – 10 mph.

    Mono County:

    Today: Snow —> 70%. 44 – 54 F / 22 – 32 F. SW 15 – 25 mph G 45.
    Wednesday: 60% snow. 30 – 50 F  / 14 – 24 F. SW 10 – 20 mph.


    DENNIS’ PROBABILITY OF PRECIPITATION (PoPs); 
     
    10% – Unlikely, Isolated
    20% – Slight Chance, Scattered
    30 – 50% – Chance
    60 – 80% – Likely

    90 – 100% – Virtually Certain 
     
  • Dennis 5:20 AM on March 20, 2017 Permalink | Reply  

    FORECAST 20-MAR-2017 

    AREA FORECAST: Owens Valley / Mammoth Lakes / Mono County
    FROM: Dennis “Matt” Mattinson, Weather and Atmospheric Forecaster
    FOR: Sierra Wave Media / Eastern Sierra News / sierrawave.net / KSRW 92.5 FM / TV- 3 / 395travel.com 

     
    MON MAR 20 2017
     
    WEATHER DISCUSSION:
     
    SHORT TERM FORECAST:
     
    Upper ridging gives way to a Gulf of Alaska low moving thru later tonight into Tuesday. Rain heavy at times and snow levels to around 7,000 feet Tuesday night. Windy conditions as well. Travel along the Sierra passes could be impacted on Tuesday. A cool and moist airmass remains with snow levels hovering a little lower, in the 5,500 foot range. Showers wind down a bit on Wednesday / Thursday before another system hits the area Friday afternoon and Saturday. This one looks to have a good subtropical tap, so its a wet system, with the bulk of the percipt on Saturday. Lingering showers on Sunday. Stay tuned for updates. -DMATT-

    Owens Valley:
    Today: Partly cloudy. 72 F / 41 F. SW 10 – 15 mph.
    Tuesday: 60% rain. 64 F / 37 F. SE 5 mph.

    Town of Mammoth Lakes:

    Today: 20% —> 80% snow showers. 49 F / 33 F. S 10 – 15 mph.
    Tuesday: 100% snow showers. 41 F / 24 F. S 15 – 25 mph.

    Mono County:

    Today: 80% snow showers. 52 – 62 F / 23 – 33 F. SW 10 – 15 mph G 30.
    Tuesday: Snow. 43 – 53 F  / 20 – 30 F. SW 15 – 25 mph G 40.


    DENNIS’ PROBABILITY OF PRECIPITATION (PoPs); 
     
    10% – Unlikely, Isolated
    20% – Slight Chance, Scattered
    30 – 50% – Chance
    60 – 80% – Likely

    90 – 100% – Virtually Certain
     
  • Dennis 5:41 AM on March 17, 2017 Permalink | Reply  

    FORECAST 17-MAR-2017 

    AREA FORECAST: Owens Valley / Mammoth Lakes / Mono County
    FROM: Dennis “Matt” Mattinson, Weather and Atmospheric Forecaster
    FOR: Sierra Wave Media / Eastern Sierra News / sierrawave.net / KSRW 92.5 FM / TV- 3 / 395travel.com 

     
    FRI MAR 17 2017
     
    WEATHER DISCUSSION:
     
    Ridge of high pressure is pushed east by an unorganized disturbance on Saturday, for a slight chance of showers in Mono County. But the main story is for a wetter and cooler pattern coming up for us next week, with a couple of Spring storms moving thru. Currently it looks like a storm Monday night into Tuesday, then one about Friday night into Saturday. The storm on Friday looks to have a moderate sub tropical tap. It however will be weaker than the storms we experienced in January and February. None-the-less, we could get 2 feet of new snow over the Crest by Friday / Saturday. -DMATT- 
    SHORT TERM FORECAST:

    Owens Valley:
    Today: Mostly sunny —> partly cloudy. 80 F / 43 F. SW 5 – 10 mph.
    Saturday / Sunday: Mostly sunny —> mostly cloudy. 75 F / 41 F. NW 5 – 10 mph.

    Town of Mammoth Lakes:

    Today: Partly to mostly cloudy. 56 F / 36 F. SW 5 – 10 mph.
    Saturday / Sunday: 30% rain / snow showers Saturday partly sunny Sunday. 52 F / 32 F. SW 10 – 15 mph G 30.

    Mono County:

    Today: Partly cloudy. 60 – 70 F / 26 – 36 F. SW 10 mph.
    Saturday / Sunday: 30% rain / snow showers Saturday (snow levels 9,000 feet) mostly cloudy Sunday. 52 – 62 F  / 22 – 32  F. SW 5 – 10 mph.


    DENNIS’ PROBABILITY OF PRECIPITATION (PoPs); 
     
    10% – Unlikely, Isolated
    20% – Slight Chance, Scattered
    30 – 50% – Chance
    60 – 80% – Likely

    90 – 100% – Virtually Certain
     
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