565
FNUS75 KBOI 221532
FWSBOI
SPOT FORECAST FOR WAPITI WILDFIRE...USFS
NATIONAL WEATHER SERVICE BOISE ID
932 AM MDT TUE OCT 22 2024
FORECAST IS BASED ON FORECAST START TIME OF 0900 MDT ON OCTOBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE AT (208)334-9060, IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
..SOUTHWEST FLOW CONTINUES, NEXT SYSTEM ARRIVES WEDNESDAY
DISCUSSION
LIGHTER SOUTHWEST WINDS WILL CONTINUE TODAY, WITH BREEZES 15-20
MPH OVER THE RIDGETOPS DURING THE AFTERNOON. HUMIDITY WILL BE
LOWER TODAY WITH COOLER TEMPERATURES AS HIGH PRESSURE BUILDS IN. A
COLD FRONT WILL ARRIVE EARLY WEDNESDAY EVENING, WITH RAIN AND
SNOW SHOWERS DEVELOPING ALONG AND BEHIND THE FRONT. SOUTHWEST
WINDS WILL INCREASE ON WEDNESDAY AFTERNOON AHEAD OF THE COLD
FRONT. SNOW LEVELS START OUT AROUND 7500 FEET BEFORE LOWERING TO
5500-6500 FEET BY WEDNESDAY NIGHT.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY.
MAX TEMPERATURE.....42 TO 57.
MIN HUMIDITY........23 TO 33 PERCENT.
CWR.................0 PERCENT.
LAL.................1.
WIND - 20 FOOT......SOUTHWEST 5 TO 10 MPH. GUSTS TO 20 MPH ON
RIDGETOPS DURING THE AFTERNOON.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
HAINES INDEX........3 VERY LOW.
VENTILATION INDEX...400 FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
MIN TEMPERATURE.....26 TO 41.
MAX HUMIDITY........42 TO 62 PERCENT.
CWR.................0 PERCENT.
LAL.................1.
WIND - 20 FOOT......DOWNSLOPE 2 TO 5 MPH IN THE VALLEYS, EXCEPT
SOUTHWEST 4 TO 10 MPH ON UPPER SLOPES AND RIDGES.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
HAINES INDEX........3 VERY LOW.
VENTILATION INDEX...10 POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN AND
SNOW SHOWERS IN THE AFTERNOON, THEN A 90 PERCENT
CHANCE OF RAIN AND SNOW IN THE EVENING. SNOW LEVELS
FALLING FROM AROUND 7500 FEET IN THE AFTERNOON TO
AROUND 5500-6500 FEET BY MID EVENING. SNOW ACCUMULATION
1-3 INCHES ABOVE 6000 FEET.
MAX TEMPERATURE.....43 TO 58.
MIN HUMIDITY........32 TO 47 PERCENT.
CWR.................10 PERCENT IN THE AFTERNOON, INCREASING TO 70 PERCENT
IN THE EVENING.
LAL.................1.
WIND - 20 FOOT......SOUTHWEST 8 TO 16 MPH. GUSTS TO AROUND 28 MPH
MPH ON RIDGETOPS IN THE AFTERNOON. WINDS SHIFTING TO
NORTHWEST EARLY IN THE EVENING.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
HAINES INDEX........2 VERY LOW.
VENTILATION INDEX...900 EXCELLENT.
FORECASTER...TANGEN
REQUESTED BY...CHRIS COLT - PSC
TYPE OF REQUEST...WILDFIRE
.TAG 2424623.0/BOI
.DELDT 10/22/24
.FORMATTERVERSION 2.0.0
.EMAIL CHRIS_COLT@FIRENET.GOV
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