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Fire Weather Forecast for: Alturas ECC Dispatch
National Weather Service - Medford, OR
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Modoc National Forest, Lava Beds NM and Tulelake Basin

Dispatch Area Discussion...
206 PM PST WED NOV 25 2009
 HIGH PRESSURE WILL REMAIN OVER THE REGION THROUGH THANKSGIVING DAY
 RESULTING IN LIGHT WINDS...PERSISTENT VALLEY INVERSIONS...AND DRY
 CONDITIONS. A COLD FRONT WILL MOVE THROUGH EARLY FRIDAY AND BRING 
 RAIN AND WET SNOW...AS WELL AS INCREASING WINDS AND BETTER MIXING.
 THE STORM TRACK WILL SLOWLY SHIFT NORTHWARD AS HIGH PRESSURE
 GRADUALLY BUILDS OFF OF THE WEST COAST SATURDAY THROUGH EARLY NEXT
 WEEK.
Modoc National Forest, Lava Beds NM and Tulelake Basin
Forecast Issuance time: 300 PM PST WED NOV 25 2009
TONIGHT...
 SKY/WEATHER.........PARTLY CLOUDY. 
 MIN TEMPERATURE.....25-30 VALLEYS AND 30-35 RIDGES. 
 MAX HUMIDITY........90-100 PERCENT VALLEYS AND 50-70 PERCENT 
                     RIDGES. 
 20-FOOT WINDS....... 
     VALLEYS/LWR SLOPES...EAST WINDS 6 TO 12 MPH. 
     RIDGES/UPR SLOPES....SOUTHEAST WINDS 6 TO 12 MPH WITH GUSTS TO 
                          AROUND 20 MPH. 
 CWR (>= 0.10 IN)....0. 
 
 THANKSGIVING DAY...
 SKY/WEATHER.........PARTLY SUNNY. 
 MAX TEMPERATURE.....50-55. 
 MIN HUMIDITY........35-45 PERCENT. 
 20-FOOT WINDS....... 
     VALLEYS/LWR SLOPES...SOUTHEAST WINDS 6 TO 12 MPH. GUSTS UP TO 
                          20 MPH LATE IN THE AFTERNOON. 
     RIDGES/UPR SLOPES....SOUTH WINDS 5 TO 15 MPH. GUSTS UP TO 30 
                          MPH LATE IN THE AFTERNOON. 
 CWR (>= 0.10 IN)....0. 
 
 THURSDAY NIGHT...
 SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW THROUGH 
                     THE NIGHT. SNOW LEVEL 5500 FEET. 
 MIN TEMPERATURE.....30-35 VALLEYS AND 25-30 RIDGES. 
 MAX HUMIDITY........85-95 PERCENT VALLEYS AND 80-90 PERCENT RIDGES. 
 20-FOOT WINDS....... 
     VALLEYS/LWR SLOPES...SOUTH WINDS 5 TO 15 MPH. 
     RIDGES/UPR SLOPES....SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 
                          AROUND 40 MPH. 
 CWR (>= 0.10 IN)....20. 
 
 FRIDAY...
 SKY/WEATHER.........SNOW SHOWERS LIKELY IN THE MORNING...THEN 
                     CHANCE OF SNOW SHOWERS IN THE AFTERNOON AND 
                     EVENING. SNOW ACCUMULATION UP TO 1 INCH. 
 MAX TEMPERATURE.....40-45 VALLEYS AND 30-35 RIDGES. 
 MIN HUMIDITY........50-65 PERCENT. 
 20-FOOT WINDS....... 
     VALLEYS/LWR SLOPES...NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 
                          20 MPH IN THE MORNING. 
     RIDGES/UPR SLOPES....NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 
                          AROUND 35 MPH. 
 CWR (>= 0.10 IN)....20. 
 
 EXTENDED...
 .SATURDAY...MOSTLY CLOUDY. LOWS 20 TO 25. HIGHS 40 TO 45. NORTH
 WINDS 10 TO 20 MPH. 
 .SUNDAY...PARTLY CLOUDY. LOWS 20 TO 25. HIGHS 40 TO 45. EAST
 WINDS 5 TO 15 MPH. 
 .MONDAY...MOSTLY CLEAR. LOWS 20 TO 25. HIGHS 40 TO 50. SOUTHEAST
 WINDS 6 TO 12 MPH. 
 .TUESDAY...PARTLY CLOUDY. LOWS 20 TO 25. HIGHS 40 TO 45. 
 .WEDNESDAY...MOSTLY CLEAR. LOWS 20 TO 25. HIGHS 40 TO 45. 
 =

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Page last Modified: Update - 05/13/2009

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