095
FNUS73 KUNR 211433
FWSUNR
SPOT FORECAST FOR HUTCHINSON RANCH SLASH PILE...PINE RIDGE AGENCY
NATIONAL WEATHER SERVICE RAPID CITY SD
733 AM MST THU FEB 21 2019
FORECAST IS BASED ON IGNITION TIME OF 0800 MST ON FEBRUARY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
COLD CONDITIONS WILL PERSIST TODAY AND FRIDAY. A COUPLE OF
DISTURBANCES WILL BRING AREAS OF LIGHT SNOW FROM THIS AFTERNOON
INTO FRIDAY NIGHT. THE FIRST SYSTEM THIS AFTERNOON AND TONIGHT WILL BRING
AROUND 2 INCHES OF SNOW, AND THE SECOND SYSTEM FRIDAY AND FRIDAY NIGHT
WILL BRING AROUND 1 INCH OF ADDITIONAL ACCUMULATION. DRIER AND MILDER WEATHER
IS EXPECTED FOR SATURDAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 23.
MIN HUMIDITY........62 PERCENT.
WIND (20 FT)........NORTHEAST 5 TO 10 MPH.
CWR.................30 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1400 TO 1900 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........CLOUDY. SNOW LIKELY IN THE EVENING, THEN CHANCE
OF SNOW OVERNIGHT.
MIN TEMPERATURE.....AROUND 5 ABOVE.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTHEAST 5 TO 10 MPH.
CWR.................30 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR.
FRIDAY
SKY/WEATHER.........CLOUDY. SNOW LIKELY IN THE MORNING, THEN CHANCE
OF SNOW IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 19.
MIN HUMIDITY........74 PERCENT.
WIND (20 FT)........NORTHEAST 5 TO 10 MPH.
CWR.................30 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.....EAST AROUND 10 MPH SHIFTING TO THE SOUTHWEST IN
THE AFTERNOON.
SMOKE DISPERSAL.....POOR.
FRIDAY NIGHT
SKY/WEATHER.........CLOUDY. CHANCE OF SNOW IN THE EVENING, THEN A
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 5 ABOVE.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTHEAST AROUND 5 MPH IN THE EVENING, SWITCHING
TO THE WEST AFTER MIDNIGHT.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
DOMINATED FIRE GROWTH.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
FORECASTER...KP
REQUESTED BY...KYLE GOLUS
TYPE OF REQUEST...PRESCRIBED
.TAG 1901773.0/UNR
.DELDT 02/21/19
.FORMATTERVERSION 1.0.25
.EMAIL KYLE.GOLUS@BIA.GOV
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