FORECAST 05-AUG-09

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dmatt
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FORECAST 05-AUG-09

Post by dmatt »

FORECAST FOR THE OWENS VALLEY, MAMMOTH AND MONO COUNTY
PROVIDED BY DENNIS MATTINSON
EASTERN SIERRA WEATHER FORECASTER
KSRW 92.5 / 96.5 FM AND TV-33

WEDNESDAY, 05-AUG-09, MORNING REPORT

TROUGHINESS OFF THE WEST COAST, WHICH HAS AFFECTED OUR WEATHER OFF AND ON FOR MOST OF THIS YEAR, WILL ONCE AGAIN PLAY A TRUMP CARD. OUR WEATHER TODAY WILL BE WINDER, THEN THE BIG LOW OFF THE COAST MOVES INLAND, FOR AN UNSETTLED COOL DOWN ON THURSDAY. THIS IS VERY UNUSUAL WEATHER FOR AUGUST AND IT WILL BRING SOME INTERESTING POSSIBILITIES INTO PLAY. AS THAT COLD POOL ARRIVES, NON-MONSOONAL MOISTURE WILL BRING THE THREAT OF THUNDERSTORMS TO THE HIGH COUNTRY AND YES, EVEN LIGHT SNOW, HAIL AND GRAUPEL TO ELEVATIONS AT OR ABOVE 10,000 FEET. IN FACT, THE SNOW LEVEL COULD FALL BELOW 9,000 FEET IN SOME AREAS, WHICH IS IMPORTANT TO NOTE, AS THERE ARE A LARGE NUMBER OF OUTDOOR ENTHUSIASTS, RIGHT NOW, IN THE SIERRA. ADD TO THIS MIX, WINDY CONDITIONS AND YOU HAVE REAL FALL WEATHER (AT LEAST ON THURSDAY) HERE IN AUGUST. A SPECIAL WEATHER STATEMENT WILL MOST LIKELY BE ISSUED FOR SAFETY REASONS. ON FRIDAY, THE LOW EJECTS QUICKLY TO THE EAST WITH COOL TEMPERATURES PREVAILING. AS NEXT WEEK STARTS, WE SHOULD BE BACK TO MORE TYPICAL AUGUST WEATHER.

FOR THOSE OF YOU IN THE MT. WHITNEY AREA, EXPECT HIGH WIND GUSTS UP TO 50 - 60 MPH AND THE POSSIBILITY OF LIGHT SNOW AND HAIL ON THURSDAY, WITH EVENING TEMPERATURES DROPPING INTO THE MID 20S.

FOR THE OWENS VALLEY:

TODAY: MOSTLY SUNNY SKIES. HIGHS AROUND 97. WINDS SE 15 - 20 MPH G 35.
TONIGHT: PARTLY CLOUDY AND WINDY. LOWS IN THE MID 50S. WINDS SE 15 - 25 MPH G 38.
THURSDAY: MOSTLY SUNNY AND A BREEZY. HIGHS AROUND 85. WINDS S 15 - 25 MPH G 38.
THURSDAY NIGHT: MOSTLY CLOUDY. LOWS IN THE LOW 50S. WINDS S 15 - 25 MPH G 35.

FOR THE MAMMOTH LAKES AREA:

TODAY: PARTLY CLOUDY. SLIGHT CHANCE OF ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS IN THE LOW 70S. WINDS S 15 - 20 MPH G 30.
TONIGHT: PARTLY CLOUDY. LOWS IN THE MID 40S. WINDS SW 10 - 20 MPH G 35.
THURSDAY: PARTLY CLOUDY. 30% CHANCE OF SHOWERS AND THUNDERSTORMS. HIGHS NEAR 60. WINDS SW 10 - 25 MPH G 35.
THURSDAY NIGHT: PARTLY CLOUDY. 30% CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 30S. WINDS SW 15 - 20 MPH G 35.

FOR MONO COUNTY:

TODAY: WINDY AND PARTLY TO MOSTLY CLOUDY WITH ISOLATED THUNDERSTORMS POSSIBLE. HIGHS 74 - 84. WINDS SW 10 - 20 MPH G 30. RIDGE G 60.
TONIGHT: PARTLY CLOUDY SKIES. LOWS 40 - 50. WINDS SW 15 - 25 MPH G 40. RIDGE G 70.
THURSDAY: PARTLY CLOUDY AND BREEZY WITH SCATTERED SHOWERS AND THUNDERSTORMS. HIGHS 62 - 72. WINDS S 15 - 20 MPH G 35. RIDGE G 65.
THURSDAY NIGHT: BREEZY WITH PARTLY CLOUDY SKIES. CHANCE OF SHOWERS AND THUNDERSTORMS. SNOW LEVEL 9,000 FEET. LOWS 35 - 45. WINDS S 10 - 20 MPH G 30.

NOTE: DENNIS' FORECAST ORIGINATES FROM THE FORT INDEPENDENCE EPA METEOROLOGICAL AND PM-10 MONITORING STATION. BECAUSE WEATHER CONDITIONS VARY GREATLY FROM LOCATION TO LOCATION IN THE EASTERN SIERRA, THIS FORECAST MAY NOT BE TOTALLY ACCURATE FOR YOUR AREA.
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