719
FNUS76 KSEW 181946
FWSSEW
SPOT FORECAST FOR PACKWOOD BONEYARD...USFS
NATIONAL WEATHER SERVICE SEATTLE WA
1146 AM PST WED DEC 18 2024
FORECAST IS BASED ON IGNITION TIME OF 1200 PST ON DECEMBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (206) 526-6095, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
UPPER LEVEL RIDGING OVER THE BURN SITE WILL SHIFT
EAST OF THE REGION THURSDAY AFTERNOON. A WEAK FRONT WILL THEN
APPROACH THE AREA LATE THURSDAY AFTERNOON, BUT EVEN THEN CHANCES
OF RAIN WILL ONLY BE 40 TO 50 PCT. A WEAK UPPER RIDGE WILL RESULT
IN DRY CONDITIONS FOR MUCH OF FRIDAY BEFORE ANOTHER WEAK FRONT
MOVES THROUGH, HOWEVER CHANCES OF RAIN WITH THIS SECONDARY SYSTEM
WILL NOT EXCEED 30 PCT. SHOULD RAIN EMERGE FROM THIS, IT WILL
LARGELY BE CONFINED TO THE LATE AFTERNOON AND EARLY EVENING.
THURSDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF RAIN.
CWR.................6 PERCENT.
LAL.................1.
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........80 PERCENT.
WIND (20 FT)........EAST WINDS AROUND 6 MPH.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 9 MPH.
HAINES MID LEVEL....3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
RAINFALL AMOUNT.....0.01 INCHES.
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN
IN THE EVENING, THEN SLIGHT CHANCE OF RAIN
OVERNIGHT.
CWR.................6 PERCENT.
LAL.................1.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........86 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 6 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 7 MPH.
HAINES MID LEVEL....3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
RAINFALL AMOUNT.....0.01 INCHES.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
RAIN IN THE MORNING, THEN CHANCE OF RAIN IN THE
AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........74 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......2600 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
HAINES MID LEVEL....3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
RAINFALL AMOUNT.....0.00 INCHES.
FORECASTER...REEDY
REQUESTED BY...ANDREW BISSELL
TYPE OF REQUEST...PRESCRIBED
.TAG 2428742.0/SEW
.DELDT 12/18/24
.FORMATTERVERSION 2.0.0
.EMAIL ANDREW.BISSELL@USDA.GOV
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