448
FNUS76 KOTX 061039
FWSOTX
SPOT FORECAST FOR UPPER AENEAS UNIT 2C...USFS
NATIONAL WEATHER SERVICE SPOKANE WA
339 AM PDT WED MAY 6 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON MAY 06.
DISCUSSION
BREEZY WEST WINDS WILL DEVELOP OVER THE BURN SITE THIS
AFTERNOON AND THEN INCREASING OUT OF THE NORTHWEST THIS
EVENING WITH A DRY COLD FRONT PASSAGE. RELATIVE HUMIDITIES WILL
DROP TO NEAR 20 PERCENT THIS AFTERNOON, WITH VALUES BACK INTO
THE TEENS ON THURSDAY.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
***************************************************************
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE
10 MINUTE AVERAGES REFLECTING RAWS WIND.
***VENTILATION INDEX IS DERIVED FROM TRANSPORT WIND
MULTIPLIED BY THE MIXING HEIGHT DIVIDED BY 100.
CATEGORIES: LOW (< 200), MODERATE (200-500),
HIGH (500-800), AND VERY HIGH (> 800).
***************************************************************
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........19-22 PERCENT.
WIND (20 FT)........LIGHT WINDS THROUGH 0900 THEN BECOMING
WEST 5 TO 8 MPH. GUSTS UP TO 18 MPH
AFTER 1500 PDT.
MIXING HEIGHT.......NEAR SURFACE THROUGH 0800 INCREASING TO
6500 FEET AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5 TO 8 MPH IN THE MORNING THEN
WEST 10 TO 17 MPH IN THE AFTERNOON.
VENTILATION INDEX...LOW (100) INCREASING TO VERY HIGH (820) IN THE
AFTERNOON.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........65-72 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 8 TO 15 MPH WITH GUSTS UP TO
28 MPH IN THE EVENING DECREASING TO 4 TO 9 MPH
OVERNIGHT.
MIXING HEIGHT.......FALLING TO 1000 FEET AGL BY 2100.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
VENTILATION INDEX...HIGH (697) FALLING TO LOW (120).
THURSDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........15-18 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......1000 FEET AGL THROUGH 0800 INCREASING TO 7500 FT
AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 10 TO 11 MPH.
VENTILATION INDEX...LOW (100) INCREASING TO HIGH (760) IN THE
AFTERNOON.
FORECASTER...JW
REQUESTED BY...TAYLOR ORTEG
TYPE OF REQUEST...PRESCRIBED
.TAG 2612681.2/OTX
.DELDT 05/06/26
.FORMATTERVERSION 2.0.0
.EMAIL TAYLOR.ORTEG@USDA.GOV
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