Suppression Forecast
Issued by NWS Rapid City, SD

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5
000
FNUS73 KUNR 241620
FWSUNR

Spot Forecast for RTRL/Hutchison Ranch Slash Pile Burn...Pine Ridge
National Weather Service Rapid City SD
920 AM MST Sat Feb 24 2018

Forecast is based on ignition time of 1000 MST on February 24.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Temperatures will remain below average through the
weekend, though a very gradual warming trend is expected next
week. A trough will bring some breezy westerly winds today. Mainly
dry conditions are expected next week.

.REST OF TODAY...

Sky/weather.........Mostly sunny.
Temperature.........26 at ignition...Max 30.
RH..................76 percent at ignition...Min 58 percent.
Wind (20 ft)........Winds west-northwest at 10 mph at
                    ignition...otherwise northwest at 10 to 15 mph.
                    Gusts to around 25 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........3 or very low potential for large plume
                    dominated fire growth at ignition...max 4.
Mixing height.......2600 to 3100 ft agl increasing to 3100 to 3600
                    ft agl early in the afternoon, then decreasing
                    to 1100 to 1600 ft agl late in the afternoon.
Transport winds.....West 20 to 25 mph.
Smoke dispersal.....Good decreasing to poor late in the afternoon.

.TONIGHT...

Sky/weather.........Partly cloudy.
Temperature.........Min 9.
RH..................Max 100 percent.
Wind (20 ft)........West around 10 mph.
CWR.................0 percent.
LAL.................1.
Haines Index........4 to 5 OR or low potential for large plume
                    dominated fire growth to or moderate potential
                    for large plume dominated fire growth.
Mixing height.......100 to 600 ft agl.
Transport winds.....Southwest 15 to 20 mph.
Smoke dispersal.....Poor.

.SUNDAY...

Sky/weather.........Mostly sunny.
Temperature.........Max 34.
RH..................Min 47 percent.
Wind (20 ft)........West 10 to 15 mph. Gusts to around 24 mph in
                    the late morning and early afternoon.
CWR.................0 percent.
LAL.................1.
Haines Index........4 to 5 OR or low potential for large plume
                    dominated fire growth to or moderate potential
                    for large plume dominated fire growth.
Mixing height.......1500 to 2000 ft agl.
Transport winds.....Southwest 15 to 25 mph decreasing to around 15
                    mph late in the afternoon.
Smoke dispersal.....Fair.

$$
Forecaster...JC
Requested by...Kyl e Golus
Type of request...PRESCRIBED
.TAG 1802478.0/UNR
.EMAIL kyle.golus14@gmail.com



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.