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  • Dennis 5:26 AM on February 21, 2017 Permalink | Reply  

    FORECAST 21-FEB-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 FEB 21 2017
     
    WEATHER DISCUSSION:
     
    Mammoth Mountain (Main Lodge) is now sitting at 488 inches of snow this season. Speaking of snow, it continues today heavy at times, with levels at abut 7,000 – 8,000 feet in Mono County. This storm has brought some of the most powerful Sierra Crest winds in many years, with peak gusts to 199 mph! 2 – 4 feet is possible in the higher elevations. A weaker, colder system moves in on Wednesday morning bringing mostly very cold air to the area. Looks like right now, a break on Thursday into Friday, before unsettled weather returns over the weekend. So stay tuned…DMATT
    SHORT TERM FORECAST:

    Owens Valley:
    Today: 30% rain. 57 F / 33 F. SE 15 mph G 30.
    Wednesday: Mostly sunny —> partly cloudy. 49 F / 27 F. N 10 – 15 mph.

    Town of Mammoth Lakes:

    Today: Snow. 29 F / 18 F. S 25 – 30 mph G 50.
    Wednesday: 30% snow showers. 26 F / 6 F. S 10 – 15 mph.

    Mono County:

    Today: Rain & snow. 33 – 43 F / 11 – 21 F. SW 20 – 30 mph G 60.
    Wednesday: 20% snow showers. 27 – 37 F  / 5 below to 5 above zero. W 10 – 15 mph

    .


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

    90 – 100% – Virtually Certain
     
  • Dennis 7:33 AM on February 20, 2017 Permalink | Reply  

    FORECAST 20-FEB-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 FEB 20 2017
     
    WEATHER DISCUSSION:
     
    With all the snow we have received recently, Mammoth Mountain now has a season total to 480 inches. Another system will move in today, powered by a very strong Atmospheric River. It brings with it, extreme amounts of heavy rain and snow and the possibility of flooding thru this evening. Snow levels will run about 7,500 – 8,000 feet with another 2 – 4 feet over the higher elevations. Strong winds gusting to 60+ mph area possible in Mono County. Precipitation continues off / on into Wednesday, lingering into Thursday. Stay tuned…DMATT
     
    SHORT TERM FORECAST:

    Owens Valley:
    Today: 50% rain. 56 F / 42 F. SE 10 – 15 mph G 25.
    Tuesday: 30% rain. 49 F / 27 F. S 10 – 15 mph G 20.

    Town of Mammoth Lakes:

    Today: Rain & snow. 37 F / 29 F. S 25 – 30 mph G 50.
    Tuesday: Snow. 28 F / 17 F. S 20 – 30 mph G 50.

    Mono County:

    Today: Rain & heavy snow. 38 – 48 F / 29 – 34 F. SW 20 – 30 mph G 60.
    Tuesday: Snow & rain. 37 – 47 F  / 14 – 24 F. SW 20 – 30 mph G 55

    .


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

    90 – 100% – Virtually Certain
     
  • Dennis 5:26 AM on February 17, 2017 Permalink | Reply  

    FORECAST 17-FEB-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 FEB 17 2017
     
    WEATHER DISCUSSION:
     
    More snow today and tonight tapering off Saturday. Another foot of snow possible in the higher elevations. Looks like a small break between storms later Saturday into Sunday morning. Sunday afternoon the winds pick up once again, ahead of what could be the strongest storm of the series. I expect heavy rain / snow and maybe some 2 – 3 feet of new snow in the higher elevations by Tuesday. System pushes south on Tuesday with lingering precipitation on Wednesday. A brief break in the action on Thursday, as high pressure tries to establish itself. With all this moisture, the Oroville area looks to get up to 1+ inch rain by Tuesday. 
    SHORT TERM FORECAST:

    Owens Valley:
    Today: 100% chance of rain. Breezy. Highs 48 / Lows 37. Winds S 25 – 35 mph.
    Saturday / Sunday: 50% chance of rain Saturday then mostly sunny Sunday. Slight chance of showers Sunday night. Highs 52 / Lows 35. Winds SE 5 – 15 mph.

    Town of Mammoth Lakes:

    Today: Snow. Breezy. Highs 34 / Lows 28. Winds S 10 – 20 mph G 35.
    Saturday / Sunday: 70% chance of snow Saturday & Sunday. Breezy. Highs 37 / Lows 27. Winds S 5 – 15 mph.

    Mono County:

    Today: Rain / snow. Breezy. Highs 34 – 44 / Lows 23 – 33. Winds SW 10 – 20 mph G 40.
    Saturday / Sunday: 70% chance of rain & snow Saturday & Sunday. Breezy. Highs 37 – 47 / Lows 21 – 31. Winds S 10 – 15 mph G 25.

    DENNIS’ PROBABILITY OF PRECIPITATION (PoPs);

     
    10% – Unlikely, Isolated
    20% – Slight Chance, Scattered
    30 – 50% – Chance
    60 – 80% – Likely
    100% – Virtually Certain
     
  • Dennis 5:28 AM on February 16, 2017 Permalink | Reply  

    FORECAST 16-FEB-2016 

    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 FEB 16 2017
     
    WEATHER DISCUSSION:
     
    Wet pattern starts today as the first in as series of storms approaches from the NW. Storm #1 moves thru rapidly and is out of here by tonight. Maybe 6 – 12 inches above 7,000 feet by then. I might add that Mono County should receive very windy conditions with this one, with gusts to 65 mph. Second system moves thru right behind the first, Friday into Friday night. 1 – 2 feet of snow above 7,000 feet is possible with this one. Showers look to linger into Saturday with a break Saturday night into Sunday. Storm #3 moves in Sunday night / Monday, and looks to be a bigger snow producer than the previous two, with levels at 6,000 – 7,000 feet. This systems track is still some what in doubt, so snow levels could vary 1000 + feet…DMATT

     
    SHORT TERM FORECAST:


    Owens Valley:
    Today: 30% chance of rain. Highs 59 / Lows 33. Winds SW 5 – 10 mph.
    Friday: 80% chance of rain. Highs 48 / Lows 36. Winds SE 25 – 35 mph.

    Town of Mammoth Lakes:

    Today: Snow. Windy. Highs 37 / Lows 28. Winds SW 25 – 35 mph G 55.
    Friday: 100% chance of snow. Breezy. Highs 35 / Lows 27. Winds S 10 – 15 mph G 25.

    Mono County:

    Today: Snow & rain. Windy. Highs 40 – 50 / Lows 22 – 32. Winds SW 20 – 30 mph G 50.
    Friday: Snow & rain. Windy. Highs 35 – 45  / Lows 21 – 31. Wind SW 10 – 15 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 5:40 AM on February 15, 2017 Permalink | Reply  

    FORECAST 15-FEB-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 15 FEB 2017
     
    WEATHER DISCUSSION:
    Our benevolent ridge of high pressure, the one thats brought a dry and warm spell to our forecast area, shifts east today. A wet pattern then begins, as a large area of low pressure moves close to the PACNW and NORCAL coasts. It will send a series moisture laden systems thru our area, later tonight thru early next week. These systems will be feed by a moderate Atmospheric River from the Hawaiian Islands. Heavy rain, snow and high winds at times, will come with these systems. Periods of travel restrictions over the Sierra are likely, along with possible flooding issues. Stay tuned for timing updates…DMATT
    SHORT TERM FORECAST:

    Owens Valley:
    Today: Mostly sunny —> mostly cloudy. Highs 61 / Lows 37. Winds SE 5 – 10 mph.
    Thursday: 30% chance of showers. Highs 59 / Lows 34. Winds SW 10 mph.


    Town of Mammoth Lakes:
    Today: Mostly sunny —> 30% chance of rain / snow overnight. Highs 44 / Lows 29. Winds SW 10 – 15 mph G 30.
    Thursday: 100% chance of snow. Highs 37 / Lows 29. Winds SW 25 – 30 mph G 45.

    Mono County:


    Today: Mostly sunny —> 20% chance of rain / snow overnight. Highs 46 – 56 / Lows 29 – 34. Winds SW 10 – 15 mph G 35.
    Thursday: Rain / snow. Highs 40 – 50  / Lows 22 – 32. Winds S 10 – 20 mph G 45.
    Dennis’ Probability of Precipitation (PoPs):

     
    10% – Unlikely, Isolated
    20% – Slight Chance, Scattered
    30 – 50% – Chance
    60 – 80% – Likely

    90 – 100% – Virtually Certain
     
    • Charles M Britzman 2:53 PM on February 16, 2017 Permalink | Reply

      Dennis ! Good to hear from you. I used to look forward to my daily forecasts and then they stopped coming.
      I believe we briefly corresponded on that, and you said you had no control over the sending out of the forecasts. I got this one as a nice surprise in my inbox today. Has the fixability of reliable updates sent to all subscribers increased at all ?

      • Dennis 3:09 PM on February 16, 2017 Permalink | Reply

        Hi Charles: Unfortunately the site is quite old and is progressively not working the way it should. Not sure way you received the new forecast. I am contemplating taking it off line for rebuild. You can still access the written forecast daily on http://www.sierrawave.net.

        Best Dennis

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