322
NZUS66 KMFR 221411
ECDMFR
EXPERIMENTAL FIRE WEATHER ECC FORECAST FOR YREKA AND MODOC CA DISPATCH AREAS
NATIONAL WEATHER SERVICE MEDFORD, OR
930 AM PST SUN NOV 22 2009
ECC002-230200-
WESTERN KLAMATH NF...SCOTT AND SHASTA VALLEYS I5 AND WESTWARD-
930 AM PST SUN NOV 22 2009
DISCUSSION
THE AIR MASS WILL BEGIN TO DRY OUT BY LATE MORNING AS MOISTURE
AXIS MOVES EAST AND HIGH PRESSURE RIDGE STARTS TO BUILD INTO THE
AREA. THE RIDGE WILL FORCE THE STORM TRACK TO THE NORTH WITH A
WARMING AND DRYING TREND FOR NORTHERN CALIFORNIA THROUGH THE
MIDDLE OF NEXT WEEK. THE NEXT FRONT IS EXPECTED TO BRING
PRECIPITATION POTENTIAL FOR THE SISKIYOU COUNTY AROUND THURSDAY.
TODAY
BECOMING PARTLY SUNNY IN THE AFTERNOON. WIDESPREAD RAIN
AND SNOW SHOWERS IN THE MORNING...THEN SCATTERED RAIN AND SNOW
SHOWERS IN THE AFTERNOON. SNOW LEVEL 4500 FEET. SNOW ACCUMULATION
UP TO 1 INCH. HIGHS 45-50 VALLEYS AND 35-40 RIDGES. MINIMUM
HUMIDITY 65-75 PERCENT VALLEYS AND 70-80 PERCENT RIDGES. IN THE
VALLEYS...WEST WINDS 15 TO 25 MPH...SHIFTING TO THE NORTHWEST
5 TO 15 MPH IN THE AFTERNOON. OVER THE RIDGES...WEST WINDS 10 TO
20 MPH. CHANCE OF WETTING RAIN 40 PERCENT.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 25-30. MAXIMUM HUMIDITY 95-100 PERCENT VALLEYS AND
85-95 PERCENT RIDGES. SOUTHEAST WINDS 6 TO 12 MPH. CHANCE OF
WETTING RAIN 0 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS 50-55 VALLEYS AND 45-50 RIDGES.
MINIMUM HUMIDITY 50-60 PERCENT VALLEYS AND 40-55 PERCENT RIDGES.
SOUTHWEST WINDS 6 TO 10 MPH...SHIFTING TO THE SOUTHEAST 6 TO
12 MPH IN THE EVENING. CHANCE OF WETTING RAIN 0 PERCENT.
EXTENDED
TUESDAY
PARTLY CLOUDY. LOWS 30 TO 40. HIGHS 50 TO 55. EAST
WINDS 6 TO 8 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 35 TO 40. HIGHS 50 TO 55.
SOUTHEAST WINDS 6 TO 8 MPH.
THANKSGIVING DAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS
30 TO 40. HIGHS 45 TO 50. SOUTH WINDS 6 TO 10 MPH.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 30 TO 35. HIGHS 40 TO 50.
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ECC102-230200-
EASTERN KLAMATH NF AND CDF...I5 EASTWARD INCLUDING MT EDDY TO MT
SHASTA AND SOUTHWARD-
930 AM PST SUN NOV 22 2009
DISCUSSION
THE AIR MASS WILL BEGIN TO DRY OUT BY LATE MORNING AS MOISTURE
AXIS MOVES EAST AND HIGH PRESSURE RIDGE STARTS TO BUILD INTO THE
AREA. THE RIDGE WILL FORCE THE STORM TRACK TO THE NORTH WITH A
WARMING AND DRYING TREND FOR NORTHERN CALIFORNIA THROUGH THE
MIDDLE OF NEXT WEEK. THE NEXT FRONT IS EXPECTED TO BRING
PRECIPITATION POTENTIAL FOR THE SISKIYOU COUNTY AROUND THURSDAY.
TODAY...NUMEROUS RAIN AND SNOW SHOWERS IN THE MORNING
THEN
SCATTERED RAIN AND SNOW SHOWERS IN THE AFTERNOON. SNOW LEVEL
4500 FEET. SNOW ACCUMULATION UP TO 1 INCH. HIGHS 43-48 VALLEYS
AND 35-40 RIDGES. MINIMUM HUMIDITY 60-70 PERCENT VALLEYS AND
65-75 PERCENT RIDGES. IN THE VALLEYS...WEST WINDS 10 TO 20 MPH...
SHIFTING TO THE NORTHWEST 6 TO 12 MPH IN THE AFTERNOON. OVER THE
RIDGES...WEST WINDS 10 TO 20 MPH. CHANCE OF WETTING RAIN
40 PERCENT.
TONIGHT
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY. LOWS 20-25. MAXIMUM HUMIDITY 90-100 PERCENT VALLEYS AND
80-90 PERCENT RIDGES. NORTHWEST WINDS 6 TO 8 MPH...SHIFTING TO
THE SOUTHEAST 6 TO 12 MPH. CHANCE OF WETTING RAIN 0 PERCENT.
MONDAY
MOSTLY CLOUDY. HIGHS 45-50 VALLEYS AND 40-45 RIDGES.
MINIMUM HUMIDITY 45-60 PERCENT VALLEYS AND 30-40 PERCENT RIDGES.
SOUTHEAST WINDS 6 TO 10 MPH. CHANCE OF WETTING RAIN 0 PERCENT.
EXTENDED
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. LOWS 25 TO 35. HIGHS
50 TO 55. SOUTHEAST WINDS 6 TO 10 MPH.
THANKSGIVING DAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS
30 TO 35. HIGHS 45 TO 50. SOUTH WINDS 6 TO 12 MPH.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW
SHOWERS. LOWS 25 TO 30. HIGHS 45 TO 50.
=
ECC003-230200-
MODOC NATIONAL FOREST...LAVA BEDS NM AND TULELAKE BASIN-
930 AM PST SUN NOV 22 2009
DISCUSSION
A BROAD AREA OF LOW PRESSURE WILL LINGER ACROSS NORTHEAST
CALIFORNIA TODAY AND THEN MOVE EAST OF THE AREA. THE AIR MASS
WILL BEGIN TO DRY OUT TONIGHT AS HIGH PRESSURE RIDGE STARTS TO
BUILD INTO THE AREA. THE RIDGE WILL FORCE THE STORM TRACK TO THE
NORTH WITH A WARMING AND DRYING TREND FOR MODOC COUNTY THROUGH
MOST OF NEXT WEEK. THE NEXT FRONT IS EXPECTED TO BRING INCREASING
CLOUDS AND CHANCE OF PRECIPITATION TO NORTHEAST CALIFORNIA TOWARD
THE END OF NEXT WEEK.
TODAY
MOSTLY CLOUDY. WINDY. SCATTERED SNOW SHOWERS THROUGH THE
DAY. SCATTERED RAIN SHOWERS IN THE AFTERNOON. SNOW LEVEL
4500 FEET. HIGHS 38-43 VALLEYS AND 35-40 RIDGES. MINIMUM HUMIDITY
65-75 PERCENT VALLEYS AND 50-65 PERCENT RIDGES. IN THE VALLEYS...
SOUTHWEST WINDS 15 TO 25 MPH...SHIFTING TO THE WEST 5 TO 15 MPH
IN THE AFTERNOON. OVER THE RIDGES...WEST WINDS 15 TO 25 MPH...
GUSTS UP TO 50 MPH DECREASING TO 35 MPH IN THE AFTERNOON. CHANCE
OF WETTING RAIN MISSING.
TONIGHT
MOSTLY CLOUDY. LOWS 20-25. MAXIMUM HUMIDITY
90-100 PERCENT VALLEYS AND 80-90 PERCENT RIDGES. IN THE VALLEYS...
WEST WINDS 6 TO 8 MPH...SHIFTING TO THE SOUTHEAST. OVER THE
RIDGES...NORTHWEST WINDS 6 TO 12 MPH...SHIFTING TO THE SOUTHEAST
5 TO 15 MPH. CHANCE OF WETTING RAIN MISSING.
MONDAY
MOSTLY CLOUDY. HIGHS 45-50 VALLEYS AND 40-45 RIDGES.
MINIMUM HUMIDITY 40-50 PERCENT VALLEYS AND 20-30 PERCENT RIDGES.
SOUTH WINDS 6 TO 10 MPH IN THE VALLEYS AND SOUTH 5 TO 15 MPH OVER
THE RIDGES. CHANCE OF WETTING RAIN MISSING.
EXTENDED
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. LOWS 20 TO 30. HIGHS
48 TO 53. SOUTHEAST WINDS 6 TO 12 MPH.
THANKSGIVING DAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS
25 TO 30. HIGHS 45 TO 50. SOUTH WINDS 10 TO 15 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW SHOWERS.
LOWS 25 TO 30. HIGHS 40 TO 50.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS
20 TO 30. HIGHS 40 TO 45.
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