FNUS76 KPQR 191949
FWSPQR

SPOT FORECAST FOR TUMBLEBUG...USFS WNF
NATIONAL WEATHER SERVICE PORTLAND OR
1249 PM PDT SAT SEP 19 2009

FORECAST IS BASED ON REQUEST TIME OF 1209 PDT ON SEPTEMBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A WEAK FRONTAL SYSTEM MOVING INLAND WILL BRING A
CONTINUED THREAT OF SCATTERED SHOWERS THIS AFTERNOON THOUGH
ACCUMULATION AMOUNTS WILL BE LIGHT (A COUPLE HUNDREDTHS OF AN
INCH AT MOST). A STRONG RIDGE OF HIGH PRESSURE WILL BEGIN
BUILDING OFFSHORE TOMORROW MARKING THE START OF AN UNSEASONABLY
WARM SPELL. A THERMAL TROUGH WILL BUILD NORTH UP THE COAST SUNDAY
NIGHT AND MONDAY WITH EAST WINDS DEVELOPING ALONG THE WEST SLOPES
OF THE CASCADES. WINDS WILL SHIFT TO THE NORTHEAST ON SUNDAY
MAINLY EFFECTING THE RIDGES THOUGH CHANNELING INTO THE TUMBLEBUG
VALLEY SOMEWHAT AS WELL. EAST WINDS WILL INCREASE IN INTENSITY
SUNDAY NIGHT THROUGH TUESDAY WITH VERY DRY DAYS AND POOR NIGHTTIME
HUMIDITY RECOVERIES.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF LIGHT SHOWERS.
CWR (%).............0 PERCENT.
MAX TEMPERATURE.....64 TO 66.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 8 TO 12 MPH ON RIDGES
                    VARIABLE WINDS 2 TO 4 MPH IN TUMBLEBUG
                    VALLEY.

TIME (PDT)      1 PM   3 PM   5 PM
TEMP............60     65     63
RH..............61     55     54
20 FT WIND......NW 10  NW 12  NW 8 (RIDGE WINDS)
   MAX GUST.....15     18     14   (RIDGE WINDS)

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CWR (%).............0 PERCENT.
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........80 TO 90 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH IN THE EVENING
                    BECOMING DRAINAGE LESS THAN 2 MPH.

TIME (PDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
TEMP............62     59     55     52     50     47
RH..............56     60     68     74     80     85
20 FT WIND......NW 4   NW 4   NW 4   N 1    N 0    N 0
   MAX GUST.....10     10

.SUNDAY...

SKY/WEATHER.........SUNNY.
CWR (%).............0 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........14 TO 18 PERCENT.
WIND (20 FT)........UPSLOPE LESS THAN 3 MPH BECOMING NORTHEAST 4 TO 6 MPH.
                    GUSTS TO 15 MPH ON RIDGES IN THE AFTERNOON.
VISIBILITY..........MORNING FOG IN VALLEY MIXING OUT AROUND 1000.

TIME (PDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
TEMP............45     49     58     68     77     80
RH..............80     71     38     27     18     15
20 FT WIND......NE 1   NE 1   NE 1   NE 5   NE 5   NE 5
   MAX GUST.....5      5      5      15     15     15

$$
FORECASTER...RUTHFORD
REQUESTED BY...JOHN HECKMAN
REASON FOR REQUEST...WILDFIRE
.TAG 20090919.TUMBL.01/PQR