893 
FNUS73 KUNR 171137
FWSUNR

Spot Forecast for Research Rx...USFS
National Weather Service Rapid City SD
537 AM MDT Thu Oct 17 2019

Forecast is based on ignition time of 0800 MDT on October 17. 
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Dry and warm weather is expected today. A cold front
will move through the fire area early Friday morning with an
abrupt gusty wind shift to the northwest. Cooler weather is 
expected for the weekend, with the best chance of precipitation 
coming on Sunday. 

.TODAY...

Sky/weather.........Mostly sunny. 
Temperature.........52 at ignition...Max 79. 
RH..................45 percent at ignition...Min 21 percent. 
Wind (20 ft)........Southeast 10 to 15 mph. Gusts to around 20 mph in 
                    the afternoon. 
CWR.................0 percent. 
LAL.................1. 
Haines Index........6 or high potential for large plume dominated 
                    fire growth at ignition...max 6. 
Mixing height.......1300 to 1800 ft agl. 
Transport winds.....South 10 to 15 mph. 
Smoke dispersal.....Poor. 

.TONIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy. 
Temperature.........Min 46. 
RH..................Max 73 percent. 
Wind (20 ft)........South 5 to 10 mph shifting to the west with 
                    gusts to around 15 mph overnight. 
CWR.................0 percent. 
LAL.................1. 
Haines Index........6 or high potential for large plume dominated 
                    fire growth. 
Mixing height.......100 to 600 ft agl. 
Transport winds.....South around 10 mph shifting to the west 
                    overnight. 
Smoke dispersal.....Poor. 

.FRIDAY...

Sky/weather.........Partly sunny. 
Temperature.........Max 61. 
RH..................Min 34 percent. 
Wind (20 ft)........Northwest 15 to 20 mph with gusts to around 30 
                    mph. 
CWR.................0 percent. 
LAL.................1. 
Haines Index........5 or moderate potential for large plume 
                    dominated fire growth. 
Mixing height.......5800 to 6300 ft agl. 
Transport winds.....Northwest around 30 mph. 
Smoke dispersal.....Excellent. 

$$
Forecaster...EH
Requested by...Brian Daunt
Type of request...PRESCRIBED
.TAG 1917414.1/UNR
.DELDT 10/17/19
.FormatterVersion 1.0.26
.EMAIL brian.daunt@usda.gov