023
FNUS76 KPDT 051223
FWSPDT
SPOT FORECAST FOR ANTHONY FIRE...USFS
NATIONAL WEATHER SERVICE PENDLETON OR
523 AM PDT WED AUG 5 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 PDT ON AUGUST 05.
***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS ***
***WINDS ARE 20 FOOT 10-MINUTE AVERAGES ***
***CWR: CHANCE OF WETTING RAIN 0.10 OR GREATER ***
***VENTILATION INDEX IS DERIVED FROM TRANSPORT WIND
MULTIPLIED BY THE MIXING HEIGHT IN 100'S OF FT.
CATEGORIES ARE A GENERALIZED INDICATOR ONLY:
LOW (< 200), MODERATE (200-500), HIGH (500-700),
AND VERY HIGH (> 700). ***
IF YOU HAVE QUESTIONS OR CONCERNS WITH THIS FORECAST, PLEASE
CONTACT OUR OFFICE AT (541) 276-8134.
DISCUSSION
ELEVATED FIRE WEATHER CONDITIONS PREVAIL WITH MINIMUM
RELATIVE HUMIDITY'S DROPPING TO THE 10 TO 15 PERCENT RANGE. TEMPERATURES
CAN POSSIBLY BE COOLER THAN EXPECTED WITH LARGE SMOKE COLUMNS, ALLOWING
ANTICIPATED MINIMUM RELATIVE HUMIDITY'S SLIGHTLY HIGHER THAN FORECASTED.
WINDS OVERALL WILL BE LIGHT WITH SUSTAINED WINDS LESS THAN 12 MPH FROM
THE WEST AND NORTHWEST. OVERNIGHT RECOVERIES WILL BE POOR.
TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT). AREAS OF SMOKE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........10-15 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 10 MPH BY
NOON.
RIDGETOP WIND.......LIGHT WINDS BECOMING NORTHWEST 7 TO 12 MPH BY
NOON.
MIXING HEIGHT.......6800 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 12 MPH BECOMING 7 TO 12 MPH LATE IN
THE AFTERNOON.
VENTILATION INDEX...LOW (60) INCREASING TO HIGH (520) IN THE
AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............53 55 59 61 64 66 69 71 71 73 73 72
RH..............28 27 24 20 21 21 18 17 16 15 15 16
20 FT WIND DIR..SW SW W W W W NW NW NW NW NW W
20 FT WIND SPD..4 4 4 3 4 4 4 5 5 6 6 6
20 FT WIND GUST. 5 5 6 7 8 10 10 10 10
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). AREAS OF SMOKE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....57-62.
MAX HUMIDITY........22-27 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE WEST
5 TO 10 MPH BY 10 PM.
RIDGETOP WIND.......NORTHWEST WINDS 7 TO 12 MPH SHIFTING TO THE WEST
7 TO 12 MPH BY 10 PM.
MIXING HEIGHT.......4600 FT AGL EARLY IN THE EVENING THEN 500 FT
AGL LATE IN THE EVENING.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
VENTILATION INDEX...LOW (170) DECREASING TO LOW (30) OVERNIGHT.
THURSDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT). AREAS OF SMOKE.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........10-15 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH SHIFTING TO THE NORTHWEST
5 TO 10 MPH BY 2 PM.
RIDGETOP WIND.......WEST WINDS 7 TO 12 MPH SHIFTING TO THE NORTHWEST
7 TO 12 MPH BY 2 PM.
MIXING HEIGHT.......8800 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
VENTILATION INDEX...LOW (100) INCREASING TO VERY HIGH (990) IN THE
AFTERNOON.
FORECASTER...DAY
REQUESTED BY...ETHAN MAKAROWSKI
TYPE OF REQUEST...WILDFIRE
.TAG 2618824.4/PDT
.DELDT 08/05/26
.FORMATTERVERSION 2.0.0
.EMAIL ORBMC@FIRENET.GOV,ETHAN.MAKAROWSKI@USDA.GOV
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