943
FNUS76 KPDT 210055
FWSPDT
SPOT FORECAST FOR EAST BEAVER...OR-WSA
NATIONAL WEATHER SERVICE PENDLETON OR
455 PM PST WED NOV 20 2024
FORECAST IS BASED ON IGNITION TIME OF 1000 PST ON NOVEMBER 21.
***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS***
***WINDS ARE 20 FOOT 10-MINUTE AVERAGES***
***CWR-CHANCE OF WETTING RAIN 0.10 OR GREATER***
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE
CONTACT OUR OFFICE AT (541) 276-8134.
DISCUSSION
THE STRONG, UPPER LEVEL LOW PRESSURE SYSTEM LOCATED
OFFSHORE WILL CONTINUE TO BRING UNSTABLE WEATHER ACROSS THE FIRE
SITE. PERSISTENT SOUTHWEST FLOW ALOFT WILL KEEP RAIN CHANCES
(60-70%) AT THE FIRE LOCATION THURSDAY BEFORE CHANCES INCREASE
(75-95%) ON FRIDAY ASSOCIATED WITH A PASSING SURFACE FRONT. WINDS
WILL BE LIGHT AND VARIABLE THURSDAY, BUT WILL BECOME BREEZY ON
FRIDAY ASSOCIATED WITH THE PASSING FRONT WITH GUSTS OF 25 MPH
POSSIBLE OUT OF THE SOUTHWEST. HIGH AND LOW TEMPERATURES WILL BE
INCREASING 1-4 DEGREES EACH DAY, AS AFTERNOON HUMIDITIES HOVER
AROUND 80% BOTH DAYS WITH EXCELLENT OVERNIGHT RECOVERIES.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). PATCHY FOG LATE
IN THE MORNING. RAIN LIKELY THROUGH THE DAY.
CWR.................17 PERCENT INCREASING TO 35 PERCENT LATE IN THE
AFTERNOON.
LAL.................1.
MAX TEMPERATURE.....45-48.
MIN HUMIDITY........80-85 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS BECOMING SOUTH 2
TO 7 MPH AFTER 10 AM.
MIXING HEIGHT.......1300 FT AGL.
TRANSPORT WINDS.....SOUTH 6 TO 10 MPH.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
TIME (PST) 10 AM NOON 2 PM 4 PM 6 PM 8 PM
TEMP............37 42 43 43 42 39
RH..............96 89 85 86 88 92
20 FT WIND......S 4 S 3 SE 2 S 3 S 2 E 2
20 FT WIND GUST.6 5 5 5 5 5
THURSDAY NIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN LIKELY EARLY IN
THE EVENING, THEN RAIN IN THE LATE EVENING AND
OVERNIGHT. PATCHY FOG OVERNIGHT.
CWR.................35 PERCENT INCREASING TO 72 PERCENT IN THE LATE
EVENING AND OVERNIGHT, THEN DECREASING TO 51
PERCENT AFTER 3 AM.
LAL.................1.
MIN TEMPERATURE.....35-38.
MAX HUMIDITY........91-96 PERCENT.
WIND (20 FT)........SOUTH WINDS 2 TO 5 MPH BECOMING LIGHT AND
VARIABLE AFTER 5 PM.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 6 MPH SHIFTING TO THE SOUTHEAST 6
TO 10 MPH IN THE EVENING AND OVERNIGHT, THEN
SHIFTING TO THE SOUTH AROUND 8 MPH AFTER 3 AM.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
MOSTLY SUNNY (45-55 PERCENT). RAIN.
CWR.................51 PERCENT DECREASING TO 28 PERCENT IN THE LATE
MORNING AND AFTERNOON.
LAL.................1.
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........75-80 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE THROUGH THE MORNING,
BECOMING SOUTHWEST 9 TO 14 MPH WITH GUSTS UP
TO 25 MPH BETWEEN NOON AND 4 PM.
MIXING HEIGHT.......3600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 14 MPH INCREASING TO AROUND 31
MPH EARLY IN THE AFTERNOON, THEN DECREASING
TO AROUND 16 MPH LATE IN THE AFTERNOON.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE
PLUME DOMINATED FIRE GROWTH.
FORECASTER...CALLIHAN
REQUESTED BY...JOEL THOMPSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2427126.0/PDT
.DELDT 11/20/24
.FORMATTERVERSION 2.0.0
.EMAIL JOEL.THOMPSON@CTWSBNR.ORG
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