907
FNUS73 KUNR 271720
FWSUNR
SPOT FORECAST FOR PANTHEON...US FOREST SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
1020 AM MST FRI JAN 27 2023
FORECAST IS BASED ON IGNITION TIME OF 1100 MST ON JANUARY 27.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
TEMPERATURES WILL BE NEAR TO SLIGHTLY ABOVE TODAY
BEFORE AN ARCTIC COLD FRONT PASSES THROUGH LATE TODAY AND TONIGHT.
WINDS OUT OF THE NORTHWEST TODAY WILL SHIFT TO THE NORTH AND
NORTHEAST FOLLOWING PASSAGE OF THE FRONT. SNOWFALL IS EXPECTED TO
DEVELOP AROUND THE SPOT AREA THIS AFTERNOON AND EVENING AS THE
FRONT CROSSES THE REGION. SEVERAL INCHES OF SNOW WILL BE POSSIBLE
AT THE SPOT AREA BETWEEN THIS AFTERNOON AND SATURDAY EVENING.
TEMPERATURES WILL BE WELL BELOW AVERAGE THIS WEEKEND THROUGH THE
EARLY PART OF NEXT WEEK.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF
SNOW LATE IN THE MORNING, THEN SNOW IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 38.
MIN HUMIDITY........61 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 15 MPH SHIFTING TO THE
NORTHEAST IN THE AFTERNOON. GUSTS UP TO 18 MPH.
CWR.................50 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2300 TO 2800 FT AGL.
TRANSPORT WINDS.....WEST AROUND 20 MPH SHIFTING TO THE SOUTHEAST IN
THE AFTERNOON.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........CLOUDY (95-100 PERCENT). SNOW.
MIN TEMPERATURE.....AROUND 6 ABOVE.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 10 MPH.
CWR.................85 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1200 TO 1700 FT AGL.
TRANSPORT WINDS.....NORTHEAST 15 TO 20 MPH.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SNOW.
MAX TEMPERATURE.....AROUND 12.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 10 MPH.
CWR.................60 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1900 TO 2400 FT AGL.
TRANSPORT WINDS.....NORTH 10 TO 20 MPH.
SMOKE DISPERSAL.....POOR.
FORECASTER...AD
REQUESTED BY...ROGERS
TYPE OF REQUEST...PRESCRIBED
.TAG 2301358.2/UNR
.DELDT 01/27/23
.FORMATTERVERSION 2.0.0
.EMAIL CHRISTOPHER.ROGERS@USDA.GOV
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