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Tahoe NF East of the Sierra Crest and the Sierra Valley
Tahoe NF West of the Sierra Crest
Sierra Foothills
Dispatch Area Discussion...
356 PM PST MON NOV 23 2009
RIDGE OF HIGH PRESSURE OVER THE AREA THROUGH EARLY THURSDAY WITH
DRY AND MILD WEATHER WITH AREAS OF FAIR TO POOR OVERNIGHT RECOVERY.
SURFACE HIGH PRESSURE OVER THE GREAT BASIN AND THERMAL TROUGH OVER
CALIFORNIA BRINGING NORTH TO EAST WINDS OVER THE AREA ESPECIALLY
IN NORTH TO EAST ORIENTED CANYONS AND PASSES IN THE WEST SLOPE OF
THE SIERRA. A COLD FRONT AND ASSOCIATED TROUGH WILL MOVE THROUGH
THE NORTHERN PORTION OF THE AREA LATE THURSDAY INTO FRIDAY
BRINGING A CHANCE OF RAIN AND SNOW ALONG WITH SOUTHERLY WINDS.
RIDGE OF HIGH PRESSURE BUILDS IN BEHIND THIS SYSTEM BRINGING DRY
WEATHER LATE FRIDAY INTO THE WEEKEND.
Forecast Issuance time: 300 PM PST MON NOV 23 2009
TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....
VALLEYS..........13-23.
MAX HUMIDITY........
VALLEYS..........76-86%.
20-FOOT WINDS.......
VALLEYS/SLOPE....NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT.
RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH AFTER MIDNIGHT.
TUESDAY...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....
VALLEYS..........43-48.
MIN HUMIDITY........
VALLEYS..........30-40%.
20-FOOT WINDS.......
VALLEYS/SLOPE....EAST WINDS 5 TO 10 MPH.
RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH. GUSTS UP TO 25
MPH IN THE MORNING.
EXTENDED...
.TUESDAY NIGHT...CLEAR. LOWS 14-24. LIGHT WINDS.
.WEDNESDAY...CLEAR. HIGHS 47-52. LOWS 13-23. LIGHT WINDS.
.THANKSGIVING DAY...CLEAR. HIGHS 49-54. LOWS 18-28. SOUTHWEST WINDS
10 TO 15 MPH.
.FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 41-46. LOWS
19-29. WEST WINDS 10 TO 15 MPH.
.SATURDAY...PARTLY CLOUDY. HIGHS 38-43. LOWS 14-24.
.SUNDAY...SUNNY. HIGHS 36-41.
Forecast Issuance time: 300 PM PST MON NOV 23 2009
TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....25-40.
MAX HUMIDITY........51-71 PERCENT LOWER ELEVATIONS...AND 42-62
PERCENT HIGHER ELEVATIONS.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 10 TO 20 MPH WITH LOCAL GUSTS
25 TO 35 MPH.
RIDGES/UPR SLOPES....EAST WINDS 14 TO 24 MPH WITH LOCAL GUSTS
UP TO 45 MPH.
CWR (>= 0.10 IN)....0.
TUESDAY...
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....55-63 LOWER ELEVATIONS...AND 45-55 HIGHER
ELEVATIONS.
MIN HUMIDITY........16-29 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST WINDS 8 TO 16 MPH SHIFTING TO
THE NORTHWEST 5 TO 10 MPH IN THE
AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 8 TO 18 MPH WITH LOCAL
GUSTS UP TO 40 MPH.
CWR (>= 0.10 IN)....0.
TUESDAY NIGHT...
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....35-41 LOWER ELEVATIONS...AND 26-36 HIGHER
ELEVATIONS.
MAX HUMIDITY........51-71 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 5 TO 15 MPH WITH LOCAL GUSTS UP
TO 30 MPH.
RIDGES/UPR SLOPES....EAST WINDS 11 TO 21 MPH WITH LOCAL GUSTS UP
TO 38 MPH.
CWR (>= 0.10 IN)....0.
WEDNESDAY...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....56-66 LOWER ELEVATIONS...AND 47-57 HIGHER
ELEVATIONS.
MIN HUMIDITY........16-28 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 6 TO 12 MPH WITH LOCAL GUSTS 13
TO 23 MPH IN THE MORNING BECOMING
UPSLOPE/UPVALLEY 4 TO 8 MPH.
RIDGES/UPR SLOPES....EAST WINDS 8 TO 18 MPH IN THE MORNING
BECOMING VARIABLE 4 TO 8 MPH.
CWR (>= 0.10 IN)....0.EXTENDED...
.THANKSGIVING DAY...MOSTLY CLEAR. LOWS IN THE 30S. HIGHS IN THE
50S. SOUTH WINDS 10 TO 20 MPH.
.FRIDAY...PARTLY CLOUDY. CHANCE OF RAIN AND SNOW LIKELY ON THURSDAY
NIGHT INTO FRIDAY. LOWS IN THE 30S. HIGHS 45 TO 55. NORTHWEST
WINDS 10 TO 20 MPH.
.SATURDAY...PARTLY CLOUDY. LOWS 25 TO 35. HIGHS 45 TO 55.
NORTHEAST WINDS 10 TO 15 MPH WITH LOCAL GUSTS 30 TO 40 MPH.
Forecast Issuance time: 300 PM PST MON NOV 23 2009
TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....33-43.
MAX HUMIDITY........52-75 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 5 TO 10 MPH WITH LOCAL GUSTS 16
TO 26 MPH.
RIDGES/UPR SLOPES....EAST WINDS 6 TO 13 MPH WITH LOCAL GUSTS 19
TO 29 MPH.
CWR (>= 0.10 IN)....0.
TUESDAY...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....59-65.
MIN HUMIDITY........27-44 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH IN THE
MORNING BECOMING UPSLOPE/UPVALLEY 3 TO 7
MPH.
RIDGES/UPR SLOPES....NORTH WINDS 8 TO 16 MPH IN THE MORNING
BECOMING VARIABLE 3 TO 8 MPH.
CWR (>= 0.10 IN)....0.
TUESDAY NIGHT...
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....36-46.
MAX HUMIDITY........68-88 PERCENT LOWER ELEVATIONS...AND 57-77
PERCENT HIGHER ELEVATIONS.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 5 TO 10 MPH WITH LOCAL GUSTS UP
TO 21 MPH.
RIDGES/UPR SLOPES....EAST WINDS 6 TO 13 MPH WITH LOCAL GUSTS UP
TO 30 MPH.
CWR (>= 0.10 IN)....0.
WEDNESDAY...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....59-68.
MIN HUMIDITY........24-42 PERCENT.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST WINDS 5 TO 10 MPH IN THE
MORNING BECOMING UPSLOPE/UPVALLEY 3 TO 6
MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 8 TO 16 MPH IN THE MORNING
BECOMING VARIABLE 3 TO 8 MPH.
CWR (>= 0.10 IN)....0.EXTENDED...
.THANKSGIVING DAY...MOSTLY CLEAR. LOWS IN THE 40S. HIGHS 55 TO 65.
SOUTH WINDS 5 TO 15 MPH.
.FRIDAY...PARTLY CLOUDY. CHANCE OF RAIN THURSDAY NIGHT INTO FRIDAY.
LOWS 35 TO 45. HIGHS IN THE 50S. NORTHWEST WINDS 10 TO 20 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE 30S. HIGHS IN THE 50S.
NORTH WINDS 10 TO 15 MPH WITH LOCAL GUSTS 20 TO 30 MPH.
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