FORECAST 26-MAY-09
Posted: Tue May 26, 2009 8:56 am
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
TUESDAY, 26-MAY-09, MORNING REPORT
EARLY THIS MORNING, A FEW LINGERING CLOUDS ARE LEFT OVER FROM YESTERDAY EVENINGS INTENSE CONVECTION ACTIVITY, RUNNING ALONG THE SIERRA CREST, FROM INDEPENDENCE SOUTHWARD DOWN THROUGH LONE PINE. A COMBINATION OF HIGH PRESSURE OVER THE GREAT BASIN AND WEAK LOW PRESSURE OVER SOUTHERN CALIFORNIA WILL PRODUCE A CLASSIC REX BLOCK PATTERN OVER OUR AREA THIS WEEK. THIS WILL ALLOW FOR A SOUTHEASTERLY TRANSPORT OF MOISTURE OVER THE SIERRA. THUS, THE HIGH WILL GIVE US A SLIGHT WARMING TREND INTO THE LAST WEEK OF MAY AND THE SOUTHERN LOW WILL PRODUCE ISOLATED THUNDERSTORMS IN THE AFTERNOON AND EVENING INTO THE WEEKEND. LIGHTENING STRIKES AND GUSTY, ERRATIC WINDS ARE POSSIBLE AT TIMES WITH THAT THUNDERSTORM DEVELOPMENT.
FOR THE OWENS VALLEY:
TODAY: 20% CHANCE OF ISOLATED SHOWER AND THUNDERSTORM ACTIVITY THIS AFTERNOON. HIGHS IN THE UPPER 80S. WINDS SW 6 - 9 MPH.
THIS EVENING: A STRAY THUNDERSTORM POSSIBLE THEN CLEARING. LOWS IN THE MID 50S. WINDS NW 5 - 10 MPH.
WEDNESDAY: 20% CHANCE OF AFTERNOON THUNDERSTORMS. HIGHS IN THE LOWER 90S. WINDS SE 7 - 10 MPH.
WEDNESDAY EVENING: 20% CHANCE OF EVENING THUNDERSTORMS. LOWS IN THE MID 50S. WINDS NW 5 - 8 MPH.
FOR THE MAMMOTH LAKES AREA:
TODAY: BECOMING PARTLY CLOUDY WITH A 20% CHANCE OF PM ISOLATED THUNDERSTORMS. HIGHS IN THE UPPER 60S. WINDS E 5 MPH.
THIS EVENING: 20% CHANCE OF ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 40S. WINDS W 5 - 10 MPH.
WEDNESDAY: SUN AND CLOUDS WITH A 30% CHANCE OF SCATTERED SHOWERS & THUNDERSTORMS. HIGHS IN THE LOWER 70S. WINDS S 5 MPH.
WEDNESDAY EVENING: 30% CHANCE OF SCATTERED EARLY EVENING SHOWERS & THUNDERSTORMS. LOWS IN THE LOWER 40S. WINDS W 5 - 10 MPH.
FOR MONO COUNTY
TODAY: ISOLATED PM SHOWERS & THUNDERSTORMS. HIGHS 71 - 81. WINDS LIGHT.
THIS EVENING: PARTLY CLOUDY WITH ISOLATED THUNDERSTORMS. LOWS 29 - 39. WINDS W 10 MPH.
WEDNESDAY: PARTLY TO MOSTLY CLOUDY WITH SCATTERED SHOWERS & THUNDERSTORMS POSSIBLE. HIGHS 73 - 83. WINDS W 10 - 15 MPH.
WEDNESDAY EVENING: MOSTLY CLOUDY WITH SCATTERED SHOWERS & THUNDERSTORMS. LOWS 39 - 49. WINDS W 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.
PROVIDED BY DENNIS MATTINSON
EASTERN SIERRA WEATHER FORECASTER
KSRW 92.5 / 96.5 FM AND TV-33
TUESDAY, 26-MAY-09, MORNING REPORT
EARLY THIS MORNING, A FEW LINGERING CLOUDS ARE LEFT OVER FROM YESTERDAY EVENINGS INTENSE CONVECTION ACTIVITY, RUNNING ALONG THE SIERRA CREST, FROM INDEPENDENCE SOUTHWARD DOWN THROUGH LONE PINE. A COMBINATION OF HIGH PRESSURE OVER THE GREAT BASIN AND WEAK LOW PRESSURE OVER SOUTHERN CALIFORNIA WILL PRODUCE A CLASSIC REX BLOCK PATTERN OVER OUR AREA THIS WEEK. THIS WILL ALLOW FOR A SOUTHEASTERLY TRANSPORT OF MOISTURE OVER THE SIERRA. THUS, THE HIGH WILL GIVE US A SLIGHT WARMING TREND INTO THE LAST WEEK OF MAY AND THE SOUTHERN LOW WILL PRODUCE ISOLATED THUNDERSTORMS IN THE AFTERNOON AND EVENING INTO THE WEEKEND. LIGHTENING STRIKES AND GUSTY, ERRATIC WINDS ARE POSSIBLE AT TIMES WITH THAT THUNDERSTORM DEVELOPMENT.
FOR THE OWENS VALLEY:
TODAY: 20% CHANCE OF ISOLATED SHOWER AND THUNDERSTORM ACTIVITY THIS AFTERNOON. HIGHS IN THE UPPER 80S. WINDS SW 6 - 9 MPH.
THIS EVENING: A STRAY THUNDERSTORM POSSIBLE THEN CLEARING. LOWS IN THE MID 50S. WINDS NW 5 - 10 MPH.
WEDNESDAY: 20% CHANCE OF AFTERNOON THUNDERSTORMS. HIGHS IN THE LOWER 90S. WINDS SE 7 - 10 MPH.
WEDNESDAY EVENING: 20% CHANCE OF EVENING THUNDERSTORMS. LOWS IN THE MID 50S. WINDS NW 5 - 8 MPH.
FOR THE MAMMOTH LAKES AREA:
TODAY: BECOMING PARTLY CLOUDY WITH A 20% CHANCE OF PM ISOLATED THUNDERSTORMS. HIGHS IN THE UPPER 60S. WINDS E 5 MPH.
THIS EVENING: 20% CHANCE OF ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 40S. WINDS W 5 - 10 MPH.
WEDNESDAY: SUN AND CLOUDS WITH A 30% CHANCE OF SCATTERED SHOWERS & THUNDERSTORMS. HIGHS IN THE LOWER 70S. WINDS S 5 MPH.
WEDNESDAY EVENING: 30% CHANCE OF SCATTERED EARLY EVENING SHOWERS & THUNDERSTORMS. LOWS IN THE LOWER 40S. WINDS W 5 - 10 MPH.
FOR MONO COUNTY
TODAY: ISOLATED PM SHOWERS & THUNDERSTORMS. HIGHS 71 - 81. WINDS LIGHT.
THIS EVENING: PARTLY CLOUDY WITH ISOLATED THUNDERSTORMS. LOWS 29 - 39. WINDS W 10 MPH.
WEDNESDAY: PARTLY TO MOSTLY CLOUDY WITH SCATTERED SHOWERS & THUNDERSTORMS POSSIBLE. HIGHS 73 - 83. WINDS W 10 - 15 MPH.
WEDNESDAY EVENING: MOSTLY CLOUDY WITH SCATTERED SHOWERS & THUNDERSTORMS. LOWS 39 - 49. WINDS W 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.