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Dennis Mattinson’s Weather Forecast

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FORECAST: Owens Valley / Mammoth Lakes / Mono County 
FROM: Dennis “Matt” Mattinson, Weather and Atmospheric Forecaster
FOR:  Sierra Wave Media: Eastern Sierra News
 / TV- 3 / www.395weatherandtravel.com

THU  DEC 11 2014

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As mentioned in earlier forecasts, I expect a potent storm to blast thru our district today and Friday. It has already effected NW California and is on track to effect us later today. With this storm will come strong winds set to move into our district this morning. Much of the Owens Valley will receive peak gusts of 30 – 40 mph and Mono County 50 – 70 mph in wind prone areas. Rain and snow will spread across our district today with 2 feet possible in the upper elevations. The actual front will pass to the east Friday morning leaving an unstable air mass in place. So showers and thunderstorms are possible thru late Friday night before weak ridging builds inSaturday.
Storm system inching closer to our area this morning at 6:30 am. Wind and precipitation later today.

Owens Valley:

Today: Mostly cloudy and very windy. Chance of rain later today. Highs 60 – 63 / Lows 40 – 43. Winds S 30 – 40 mph G 55.
Friday: Cloudy with rain likely and breezy. Highs 49 – 52 / Lows 35 – 40. Winds S 15 – 20 mph G 30.

Mammoth Lakes (7,800 – 8,200 feet):

Today: Rain, snow and strong wind. Highs 48 / Lows 32. Winds S 35 – 40 mph G 65.
Friday: Snow.  Highs 34 / Lows 15. Winds SW 15 – 20 mph G 30.

Mono County:

Today: Snow along the Crest and a chance of rain and snow elsewhere. Possible damaging winds. Highs 45 – 55 / Lows 23 – 33. Winds SW 25 – 30 mph G 70.
Friday: Snow and rain.  Highs 35 – 45 / Lows  5 – 15. Winds SE 15 – 25 mph G 35.

Dennis’ precipitation % definitions:

Slight Chance of Rain or Snow  = 20%
Chance of Rain or Snow   = 30 – 50%
Rain or Snow Likely = 60 – 80%
Rain or Snow = 80 – 100%

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