019
FNUS73 KUNR 202058
FWSUNR
SPOT FORECAST FOR PHANTOM RX...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
158 PM MST MON JAN 20 2025
FORECAST IS BASED ON IGNITION TIME OF 0700 MST ON JANUARY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
TUESDAY WILL FEEL MILD, WITH A HIGH TEMPERATURE AROUND
31 DEGREES. SNOW WILL MOVE INTO THE BURN AREA TUESDAY EVENING AROUND
MIDNIGHT, AND WINDS WILL BECOME NORTHWESTERLY AND GUSTY. SNOW AND
GUSTY NORTHWEST WINDS WILL CONTINUE THROUGH WEDNESDAY, BOTH DIMINISHING
BY EARLY THURSDAY MORNING. THE BURN AREA COULD RECEIVE 4 TO 6 INCHES
OF SNOW.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
MAX TEMPERATURE.....AROUND 31.
MIN HUMIDITY........51 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 10 MPH SHIFTING TO THE WEST
IN THE AFTERNOON. GUSTS UP TO 17 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1700 TO 2200 FT AGL.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
SMOKE DISPERSAL.....FAIR.
TUESDAY NIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SNOW LIKELY.
MIN TEMPERATURE.....AROUND 16.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
CWR.................35 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......800 TO 1300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 30 TO 35 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SNOW.
MAX TEMPERATURE.....AROUND 22.
MIN HUMIDITY........84 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 20 TO 25 MPH WITH GUSTS TO
AROUND 33 MPH.
CWR.................65 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3900 TO 4400 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 40 MPH.
SMOKE DISPERSAL.....EXCELLENT.
FORECASTER...KP
REQUESTED BY...BRANDON FISCHER
TYPE OF REQUEST...PRESCRIBED
.TAG 2500938.0/UNR
.DELDT 01/20/25
.FORMATTERVERSION 2.0.0
.EMAIL BRANDON.FISCHER@USDA.GOV
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