Suppression Forecast
Issued by NWS Riverton, WY

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FNUS75 KRIW 191628
FWSRIW

Spot Forecast for Sublette Fire Training...Sublette County Unified Fire
National Weather Service Riverton WY
1028 AM MDT Sun May 19 2019

Forecast is based on ignition time of 1100 MDT on May 19.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

A band of rain showers will track across Sublette County through
1130 with light precipitation possible. After a quick break, rain
showers are expected to increase from the southwest between
1400 and 1600 this afternoon as low pressure approaches. The best
chance for steady rain will come toward 1700. High temperatures
will be 15 to 20 degrees below normal.

...Thunderstorms imply strong gusty and erratic winds...
...Haines index is high level haines both day and night...

FORECASTER...CNJ

.REST OF TODAY...

Sky/weather.........Cloudy (90-100 percent) with a chance of light
                    rain showers until 1200. Rain showers increasing
                    from the southwest and becoming likely between
                    1400 and 1600 and continuing through evening.
Max temperature.....43-46.
Min humidity........56-59 percent.
20-foot winds.......Southeast 7 to 11 mph with occasional gusts
                    around 15 mph after 1500.
Ridge top winds.....Southeast 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Increasing to 20 percent after 1500.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.
Mixing height.......Rising to 4000 to 5000 ft AGL by 1600.
Transport winds.....Southeast 12 to 17 mph.
Smoke dispersal.....Fair to good.

TIME (MDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........88  90  90  90  90  89  89
Weather cov.....CHC CHC CHC LKY LKY LKY LKY
Weather type....RW  RW  RW  RW  RW  RW  RW
CWR.............0   5   10  20  20  20  20
LAL.............1   1   1   1   1   1   1
Temp............40  41  42  43  44  45  45
RH..............63  60  59  58  57  56  56
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..6   7   7   8   8   9   11
20 FT wind gust.9   10  12  14  15  16  17
Mix hgt (kft)...2.6 3.3 3.8 4.3 4.5 4.6 4.6
Transp wind dir.SE  SE  SE  SE  SE  SE  SE
Transp wind spd.10  12  13  14  15  16  16
Haines index....2   3   3   3   3   3   3

$$
Forecaster...CNJ
Requested by...Wil Gay
Type of request...PRESCRIBED
.TAG 1909593.0/RIW
.DELDT 05/19/19
.EMAIL wil.gay@sublettefire.com


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