447  
FNUS73 KUNR 261832  
FWSUNR  
 
SPOT FORECAST FOR HUTCHISON RANCH SLASH...PINE RIDGE AGENCY  
NATIONAL WEATHER SERVICE RAPID CITY SD  
1132 AM MST WED FEB 26 2020  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 MST ON FEBRUARY 26.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
A WEAK DISTURBANCE WILL BRING A CHANCE OF SNOW  
LATER TONIGHT AND THEN A SLIGHT CHANCE OF RAIN OR SNOW THURSDAY.  
GUSTY NORTHWEST WINDS WILL DEVELOP THURSDAY.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY.  
MAX TEMPERATURE.....AROUND 35.  
MIN HUMIDITY........45 PERCENT.  
WIND (20 FT)........SOUTHWEST AROUND 10 MPH WITH GUSTS TO AROUND 15 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......1100 TO 1600 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW OVERNIGHT.  
MIN TEMPERATURE.....AROUND 24.  
MAX HUMIDITY........92 PERCENT.  
WIND (20 FT)........WEST AROUND 10 MPH.  
CWR.................25 PERCENT.  
LAL.................1.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......200 TO 700 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW THROUGH  
THE DAY. SLIGHT CHANCE OF RAIN IN THE  
AFTERNOON.  
MAX TEMPERATURE.....AROUND 39.  
MIN HUMIDITY........64 PERCENT.  
WIND (20 FT)........NORTHWEST 10 TO 15 MPH WITH GUSTS AROUND 20 MPH.  
CWR.................20 PERCENT.  
LAL.................1.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
MIXING HEIGHT.......3300 TO 3800 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.  
SMOKE DISPERSAL.....GOOD.  
 

 
FORECASTER...EH  
REQUESTED BY...KYLE GOLUS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2003008.0/UNR  
.DELDT 02/26/20  
.FORMATTERVERSION 1.0.26  
.EMAIL KYLE.GOLUS@BIA.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SD Page
The Nexlab WY Page Main Text Page