FORECAST 31-JUL-09

[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

FRIDAY, 31-JUL-09, MORNING REPORT

AN UPPER LEVEL TROUGH WILL BE OFF SHORE FOR THE WEEKEND AND THROUGH MOST OF NEXT WEEK, ALLOWING FOR A SOUTHWESTERLY FLOW. THIS IS A GOOD THING FOR US AS THIS WILL KEEP TEMPERATURES CLOSER TO NORMAL FOR THE FIRST WEEK IN AUGUST. ALONG WITH THIS, THERE WILL BE AN ON-GOING THREAT OF THUNDERSTORMS IN THE HIGH COUNTRY, PARTICULARLY IN MONO COUNTY, THROUGH SUNDAY WITH THAT THREAT DROPPING OFF AS NEXT WEEK PROGRESSES. BY NEXT WEEKEND, A LARGE RIDGE IS PROGGED TO ESTABLISH ITSELF OVER THE DESERT SOUTHWEST AND THIS COULD RAISE TEMPERATURES BACK TO ABOVE NORMAL.

FOR THE MT. WHITNEY AREA: TODAY AND TONIGHT THERE WILL BE A CHANCE OF SHOWERS AND THUNDERSTORMS WITH ISOLATED HEAVY RAIN POSSIBLE. ON SATURDAY EXPECT BREEZY CONDITONS WITH WINDS GUSTING AS HIGH AS 30 MPH.

FOR THE OWENS VALLEY:

TODAY: MOSTLY SUNNY SKIES. HIGHS AROUND 99. WINDS NW 11 MPH.
TONIGHT: MOSTLY CLEAR. LOWS IN THE UPPER 50S. WINDS SE 6 -9 MPH.
SATURDAY: MOSTLY SUNNY AND A BIT BREEZY. HIGHS AROUND 99. WINDS SE 10 - 20 MPH.
SATURDAY NIGHT: MOSTLY CLEAR. LOWS IN THE UPPER 50S. WINDS SE 5 - 15 MPH.

FOR THE MAMMOTH LAKES AREA:

TODAY: 30% CHANCE OF SHOWERS AND AFTERNOON THUNDERSTORMS. HIGHS IN THE UPPER 70S. WINDS SE 5 - 10 MPH.
TONIGHT: PARTLY CLOUDY. 20% CHANCE OF ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. WINDS W 5 - 15 MPH.
SATURDAY: 30% CHANCE OF SCATTERED AFTERNOON THUNDERSTORMS. HIGHS IN THE UPPER 70S. WINDS S 5 - 10 MPH.
SATURDAY NIGHT: 20% CHANCE OF THUNDERSTORMS UNDER PARTLY CLOUDY SKIES. LOWS IN THE UPPER 40S. WINDS W 5- 15 MPH.

FOR MONO COUNTY:

TODAY: A CHANCE OF SCATTERED SHOWERS AND THUNDERSTORMS. HIGHS 80 - 90. WINDS SE 10 MPH.
TONIGHT: WIDELY SCATTERED SHOWERS AND THUNDERSTORMS UNDER MOSTLY CLOUDY SKIES. LOWS 43 - 53. WINDS W 10 - 15 MPH.
SATURDAY: BECOMING MOSTLY CLOUDY. CHANCE OF AFTERNOON SHOWERS AND THUNDERSTORMS. HIGHS 80 - 90. WINDS SE 10 MPH.
SATURDAY NIGHT: PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS 42 - 52. WINDS SW 10 - 15 MPH.

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.