Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
224
FNUS75 KRIW 171109
FWSRIW
Spot Forecast for Horse Creek Wildfire...USFS BTF
National Weather Service Riverton WY
509 AM MDT Wed Jul 17 2024
Forecast is based on forecast start time of 0600 MDT on July 17.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
Showers and thunderstorms will be possible over the area once
again today, with development starting as early as 1200. Wind
gusts up to 40 mph will be the main threat from these storms.
Storms will wane by 1800, but isolated showers will be possible
between 2200 and 0200.
Showers and thunderstorms will be possible again Thursday, with
most of the activity looking to occur further south of the area.
...Thunderstorms imply strong gusty and erratic winds...
...Haines index is high level haines both day and night...
.TODAY...
Sky/weather.........Sunny (20-30 percent). Haze early in the
morning. Slight chance of rain showers late in
the morning. Slight chance of thunderstorms in
the afternoon.
CWR.................1 percent.
Chance of pcpn......20 percent.
LAL.................1 until 1200, then 2 until 1700, then 1.
Max temperature.....Around 70.
Min humidity........34 percent.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
near thunderstorms in the afternoon.
Ridgetop wind.......Southeast around 10 mph until 1100, then west
until 1300, then light until 1400, then
southwest around 10 mph until 1500, then light
until 1600, then west 10 to 15 mph.
Mixing height.......9000 ft AGL after 1100.
Transport winds.....Southeast 8 to 10 mph until 1100, then north
around 8 mph until 1200, then west around 9 mph
until 1300, then light until 1400, then west 8
to 13 mph.
Smoke dispersal.....Poor until 1100, then fair early in the morning
increasing to good in the afternoon until 1300,
then poor until 1400, then fair early in the
morning increasing to good in the afternoon
until 1600, then good.
Haines Index........4 to 5.
TIME (MDT) 6 AM 9 AM NOON 3 PM
Sky (%).........5 10 30 40
Weather cov.....DEFNTE DEFNTE S CHC S CHC
Weather type....HAZE HAZE RNSHWR RNSHWR
Tstm cov........ S CHC S CHC
CWR.............0 0 0 0
Chc of pcpn (%).0 10 20 20
LAL.............1 1 2 2
Temp............50 59 66 68
RH..............63 58 43 38
20 FT wind......E 5G7 SE 5G7 W 4G6 SW 1
Ridgetop wind...E 10 SE 10 W 10 SW 5
Mix hgt (ft)....BLW100 1000 8000 9000
Transport wind..SE 10 SE 10 W 9 W 8
Haines index....4 4 5 5
SDspl kt-ft/10002 10 64 63
.TONIGHT...
Sky/weather.........Partly cloudy (25-35 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 53.
Max humidity........53 percent.
Wind (20 ft)........Light winds.
Ridgetop wind.......West around 10 mph until 1900, then light until
2000, then northeast around 10 mph until 2400,
then southeast.
Mixing height.......6500 ft AGL until 1900.
Transport winds.....Northwest 7 to 10 mph until 2000, then east 8
to 10 mph until 0200, then southeast 10 to 12
mph.
Smoke dispersal.....Fair until 1900. Poor after 2000.
Haines Index........5.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........25 25 25 25 30 35 40 30 25 15 15 15
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............70 68 66 64 62 59 57 56 55 54 54 53
RH..............34 37 40 44 46 49 52 52 53 53 53 53
20 FT wind dir..W NW N NE NE E E E SE SE SE SE
20 FT wind spd..5 2 3 5 4 5 5 4 4 6 5 5
20 FT wind gust.7 5 7 6 7 7 6 6 8 7 7
Ridge wind dir..W NW N NE NE E E E SE SE SE SE
Ridge wind spd..10 5 10 10 10 10 10 10 10 10 10 10
Mix hgt (kft)...6.5 4.5 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.NW NW E E E E SE SE SE SE SE S
Transp wind spd.10 7 8 10 9 10 10 9 10 12 10 10
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
SDspl kt-ft/100059 27 2 2 2 2 2 1 2 2 2 2
.THURSDAY...
Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
Chance of pcpn......10 percent.
LAL.................1.
Max temperature.....Around 73.
Min humidity........30 percent.
Wind (20 ft)........Light winds until 1200, then west around 8 mph
with gusts to around 13 mph.
Ridgetop wind.......South around 10 mph until 1000, then west until
1400, then northwest.
Mixing height.......10000 ft AGL after 1200.
Transport winds.....South 9 to 10 mph until 1100, then northwest 13
to 15 mph.
Smoke dispersal.....Poor until 1000. Very good after 1200.
Haines Index........5.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........15 15 10 10 10 15 20 20 20 25 35 45
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).0 0 0 0 10 10 10 10 10 10 10 10
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............53 56 60 63 66 68 71 72 72 73 73 72
RH..............53 53 52 51 46 41 37 34 32 30 30 31
20 FT wind dir..SE SE S S SW W W W W NW NW NW
20 FT wind spd..5 4 4 4 5 6 8 8 8 8 8 8
20 FT wind gust.7 6 6 6 7 10 13 13 13 13 13 13
Ridge wind dir..SE SE S S SW W W W W NW NW NW
Ridge wind spd..10 10 10 10 10 15 15 15 15 15 15 15
Mix hgt (kft)...0.1 0.1 0.1 1.5 4.5 7.0 9.0 9.5 10 10 9.5 8.5
Transp wind dir.S SE S S SW W W W NW NW NW NW
Transp wind spd.10 9 9 9 10 13 15 15 15 15 15 15
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
SDspl kt-ft/10002 1 2 11 41 76 120 123 127 130 121 111
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...
Partly cloudy. Chance of showers and thunderstorms. Lows in the
lower 50s. Highs in the lower 70s. Light winds.
.SATURDAY...
Mostly clear. Chance of showers and thunderstorms. Lows in the
lower 50s. Highs in the lower 70s. Light winds.
.SUNDAY...
Mostly clear. Slight chance of showers and thunderstorms. Lows in
the upper 40s. Highs in the lower 70s. Light winds.
$$
Forecaster...LaVoie
Requested by...Sandy Dodge
Type of request...WILDFIRE
.TAG 2418153.5/RIW
.DELDT 07/17/24
.FormatterVersion 2.0.0
.EMAIL sandra_dodge@firenet.gov