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El Dorado and Stanislaus NF West of the Sierra Crest
Sierra Foothills
Northern San Joaquin Valley
Forecast Issuance time: 400 PM PST TUE NOV 24 2009
.DISCUSSION...
RIDGE OF HIGH PRESSURE OVER THE AREA THROUGH WEDNESDAY BRINGING MILD
TEMPERATURES AND DRY WEATHER. SURFACE HIGH PRESSURE OVER THE
GREAT BASIN AND THERMAL TROUGH OVER CALIFORNIA BRINGING NORTH TO
EAST WINDS OVER THE AREA ESPECIALLY IN NORTHEAST TO SOUTHWEST
ORIENTED CANYONS AND PASSES IN THE WEST SLOPE OF THE SIERRA. A
COLD FRONT AND ASSOCIATED TROUGH WILL SPLIT AND MOVE THROUGH THE
NORTHERN PORTION OF THE AREA LATE THURSDAY INTO FRIDAY BRINGING
COOLER TEMPERATURES AND SOUTHWESTERLY WINDS ALONG WITH A CHANCE OF
RAIN AND SNOW...MAINLY NORTH OF HIGHWAY 50. RIDGE OF HIGH PRESSURE
BUILDS IN BEHIND THIS SYSTEM BRINGING DRY WEATHER AND GUSTY NORTH
TO EAST WINDS LATE FRIDAY INTO THE WEEKEND.
.TONIGHT...MOSTLY CLEAR. LOWS 35-40 LOWER ELEVATIONS...AND LOWS
25-35 HIGHER ELEVATIONS. MAXIMUM HUMIDITY 40-60 PERCENT LOWER
ELEVATIONS...AND MAXIMUM HUMIDITY 35-50 PERCENT HIGHER
ELEVATIONS. EAST WINDS 12 TO 19 MPH. LIGHTNING ACTIVITY LEVEL 1.
CHANCE OF WETTING RAIN MISSING.
.WEDNESDAY...SUNNY. HIGHS 60-70 LOWER ELEVATIONS...AND HIGHS
45-55 HIGHER ELEVATIONS. MINIMUM HUMIDITY 20-30 PERCENT. EAST
WINDS 5 TO 11 MPH. LIGHTNING ACTIVITY LEVEL 1. CHANCE OF WETTING
RAIN MISSING.
.WEDNESDAY NIGHT...CLEAR. LOWS 35-40 LOWER ELEVATIONS...AND LOWS
25-35 HIGHER ELEVATIONS. EAST WINDS 6 TO 11 MPH IN THE VALLEYS
AND EAST 5 TO 12 MPH OVER THE RIDGES. OVER THE RIDGES...LOCAL
GUSTS UP TO 30 MPH AFTER MIDNIGHT. MAXIMUM HUMIDITY 50-70 PERCENT
LOWER ELEVATIONS...AND MAXIMUM HUMIDITY 35-55 PERCENT HIGHER
ELEVATIONS. LIGHTNING ACTIVITY LEVEL 1. CHANCE OF WETTING RAIN
MISSING.
.THANKSGIVING DAY...MOSTLY SUNNY. HIGHS 55-65 LOWER ELEVATIONS...
AND HIGHS 45-55 HIGHER ELEVATIONS. SOUTH WINDS 5 TO 11 MPH IN
THE VALLEYS AND SOUTH 8 TO 15 MPH WITH LOCAL GUSTS 20 TO 30 MPH
OVER THE RIDGES. MINIMUM HUMIDITY 15-25 PERCENT. LIGHTNING
ACTIVITY LEVEL 1. CHANCE OF WETTING RAIN MISSING.
.EXTENDED...
.FRIDAY...MOSTLY CLOUDY. WINDY. SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 25 TO 35. HIGHS 55 TO 65. SOUTH WINDS 20 TO 30 MPH.
.SATURDAY...COOLER. MOSTLY CLEAR. WINDY. LOWS 20 TO 30. HIGHS
45 TO 55. NORTHEAST WINDS 20 TO 30 MPH.
.SUNDAY...MOSTLY CLEAR. WINDY. LOWS 20 TO 30. HIGHS 50 TO 60.
NORTHEAST WINDS 20 TO 30 MPH.
Forecast Issuance time: 400 PM PST TUE NOV 24 2009
.DISCUSSION...
RIDGE OF HIGH PRESSURE OVER THE AREA THROUGH WEDNESDAY BRINGING MILD
TEMPERATURES AND DRY WEATHER. SURFACE HIGH PRESSURE OVER THE
GREAT BASIN AND THERMAL TROUGH OVER CALIFORNIA BRINGING NORTH TO
EAST WINDS OVER THE AREA ESPECIALLY IN NORTHEAST TO SOUTHWEST
ORIENTED CANYONS AND PASSES IN THE WEST SLOPE OF THE SIERRA. A
COLD FRONT AND ASSOCIATED TROUGH WILL SPLIT AND MOVE THROUGH THE
NORTHERN PORTION OF THE AREA LATE THURSDAY INTO FRIDAY BRINGING
COOLER TEMPERATURES AND SOUTHWESTERLY WINDS ALONG WITH A CHANCE OF
RAIN AND SNOW...MAINLY NORTH OF HIGHWAY 50. RIDGE OF HIGH PRESSURE
BUILDS IN BEHIND THIS SYSTEM BRINGING DRY WEATHER AND GUSTY NORTH
TO EAST WINDS LATE FRIDAY INTO THE WEEKEND.
.TONIGHT...MOSTLY CLEAR. LOWS 35-45. MAXIMUM HUMIDITY
60-70 PERCENT LOWER ELEVATIONS...AND MAXIMUM HUMIDITY
45-60 PERCENT HIGHER ELEVATIONS. EAST WINDS 5 TO 11 MPH.
LIGHTNING ACTIVITY LEVEL 1. CHANCE OF WETTING RAIN MISSING.
.WEDNESDAY...SUNNY. HIGHS 60-70. MINIMUM HUMIDITY 35-45 PERCENT.
EAST WINDS 5 TO 8 MPH...SHIFTING TO THE WEST IN THE AFTERNOON.
LIGHTNING ACTIVITY LEVEL 1. CHANCE OF WETTING RAIN MISSING.
.WEDNESDAY NIGHT...CLEAR. LOWS 40-45. EAST WINDS 5 TO 10 MPH.
MAXIMUM HUMIDITY 65-75 PERCENT LOWER ELEVATIONS...AND MAXIMUM
HUMIDITY 55-65 PERCENT HIGHER ELEVATIONS. LIGHTNING ACTIVITY
LEVEL 1. CHANCE OF WETTING RAIN MISSING.
.THANKSGIVING DAY...MOSTLY SUNNY. HIGHS 60-70. SOUTHEAST WINDS
5 TO 10 MPH. MINIMUM HUMIDITY 30-40 PERCENT. LIGHTNING ACTIVITY
LEVEL 1. CHANCE OF WETTING RAIN MISSING.
.EXTENDED...
.FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 35 TO 45.
HIGHS 60 TO 70. SOUTH WINDS 5 TO 10 MPH.
.SATURDAY THROUGH SUNDAY...MOSTLY CLEAR. BREEZY. LOWS 35 TO 40.
HIGHS 50 TO 60. NORTHEAST WINDS 15 TO 25 MPH.
Forecast Issuance time: 400 PM PST TUE NOV 24 2009
.DISCUSSION...
RIDGE OF HIGH PRESSURE OVER THE AREA THROUGH WEDNESDAY BRINGING MILD
TEMPERATURES AND DRY WEATHER. SURFACE HIGH PRESSURE OVER THE
GREAT BASIN AND THERMAL TROUGH OVER CALIFORNIA BRINGING NORTH TO
EAST WINDS OVER THE AREA ESPECIALLY IN NORTHEAST TO SOUTHWEST
ORIENTED CANYONS AND PASSES IN THE WEST SLOPE OF THE SIERRA. A
COLD FRONT AND ASSOCIATED TROUGH WILL SPLIT AND MOVE THROUGH THE
NORTHERN PORTION OF THE AREA LATE THURSDAY INTO FRIDAY BRINGING
COOLER TEMPERATURES AND SOUTHWESTERLY WINDS ALONG WITH A CHANCE OF
RAIN AND SNOW...MAINLY NORTH OF HIGHWAY 50. RIDGE OF HIGH PRESSURE
BUILDS IN BEHIND THIS SYSTEM BRINGING DRY WEATHER AND GUSTY NORTH
TO EAST WINDS LATE FRIDAY INTO THE WEEKEND.
.TONIGHT...CLEAR. PATCHY FOG AFTER MIDNIGHT. LOWS 35-45. MAXIMUM
HUMIDITY 70-85 PERCENT. EAST WINDS UP TO 5 MPH. LIGHTNING
ACTIVITY LEVEL 1. CHANCE OF WETTING RAIN 0 PERCENT.
.WEDNESDAY...SUNNY. PATCHY FOG IN THE MORNING. HIGHS 60-65.
MINIMUM HUMIDITY 40-50 PERCENT. WINDS VARIABLE 2 TO 4 MPH
BECOMING NORTHWEST 5 TO 7 MPH IN THE AFTERNOON. LIGHTNING
ACTIVITY LEVEL 1. CHANCE OF WETTING RAIN 0 PERCENT.
.WEDNESDAY NIGHT...CLEAR. LOWS 40-45. WINDS VARIABLE 2 TO 4 MPH
BECOMING SOUTHEAST AROUND 5 MPH AFTER MIDNIGHT. MAXIMUM HUMIDITY
70-80 PERCENT. LIGHTNING ACTIVITY LEVEL 1. CHANCE OF WETTING RAIN
0 PERCENT.
.THANKSGIVING DAY...MOSTLY SUNNY. HIGHS 65-70. SOUTHEAST WINDS
5 TO 7 MPH. MINIMUM HUMIDITY 40-50 PERCENT. LIGHTNING ACTIVITY
LEVEL 1. CHANCE OF WETTING RAIN 0 PERCENT.
.EXTENDED...
.FRIDAY...PARTLY CLOUDY. LOWS 40 TO 45. HIGHS 60 TO 70. WEST
WINDS 10 TO 15 MPH.
.SATURDAY...MOSTLY CLEAR. PATCHY FOG. LOWS 35 TO 40. HIGHS 55 TO
60. NORTHWEST WINDS 10 TO 15 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS 35 TO 40. HIGHS 55 TO 60. NORTHWEST
WINDS 10 TO 15 MPH.
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