Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
561
FNUS75 KRIW 071136
FWSRIW
Spot Forecast for Horsecreek Fire...USDA
National Weather Service Riverton WY
536 AM MDT Sun Jul 7 2024
Forecast is based on forecast start time of 0600 MDT on July 07.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
Skies will remain nearly clear through the day, with only a few
cumulus in the late afternoon. Winds will start generally upslope
under 5 mph, before increasing from the northwest around 10 mph,
with a few gusts 15 to 20 mph after 1400. Humidity will remain
above 30 percent through the afternoon.
Any northwest winds will decrease by 2200, with light downsloping
flow under 5 mph through the night. Humidity is not expected to
rise above 70 percent overnight. Skies remain clear with no
precip.
Conditions Monday will be similar to Sunday, with nearly clear
skies and no precip. Winds will start the day upslope under 5 mph,
then switch from the west after 1300. Winds will be lighter than
Sunday, remaining around 10 mph through the afternoon. Minimum
humidity steady 30 to 35 percent in the afternoon.
...Thunderstorms imply strong gusty and erratic winds...
...Haines index is high level haines both day and night...
.TODAY...
Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 59.
Min humidity........35 percent.
Wind (20 ft)........Light winds until 1200, then northwest 8 to 11
mph with gusts to around 17 mph.
Ridgetop wind.......Northeast around 10 mph until 1000. Northwest
around 20 mph after 1400.
Mixing height.......7000 ft AGL after 1200.
Transport winds.....North 9 to 18 mph.
Smoke dispersal.....Poor until 0900. Good early in the morning
increasing to very good in the afternoon after
1300.
Haines Index........3 to 4.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........0 0 0 0 0 10 15 10 10 5 5 5
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............41 43 47 50 51 54 55 56 57 58 59 59
RH..............65 57 56 53 52 44 41 39 36 35 35 35
20 FT wind dir..NE NE NE N NW NW NW NW NW NW NW NW
20 FT wind spd..4 4 4 5 6 6 8 10 11 11 11 11
20 FT wind gust.6 6 6 7 8 10 13 16 17 17 17 17
Ridge wind dir..NE NE NE N NW NW NW NW NW NW NW NW
Ridge wind spd..10 10 10 10 10 15 15 15 20 20 20 20
Mix hgt (kft)...0.1 0.1 0.1 1.5 3.5 5.0 5.5 6.0 7.0 7.0 7.0 7.0
Transp wind dir.NE NE NE N N N N N N N N N
Transp wind spd.9 9 9 10 12 13 15 17 18 18 18 18
Haines index....3 3 3 3 3 3 4 4 4 4 4 4
SDspl kt-ft/10000 0 0 14 37 54 69 92 111 114 114 110
.TONIGHT...
Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 43.
Max humidity........66 percent.
Wind (20 ft)........Northwest winds 8 to 11 mph with gusts to
around 17 mph until 2200, then light.
Ridgetop wind.......Northwest 15 to 20 mph until 2300, then east
around 10 mph until 0300, then southeast.
Mixing height.......5500 ft AGL until 2000.
Transport winds.....North 12 to 18 mph until 0100, then east around
10 mph until 0200, then southeast 10 to 12 mph
until 0500, then north around 12 mph.
Smoke dispersal.....Very good early in the evening decreasing to
good late in the night until 2000, then poor.
Haines Index........3.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........10 10 5 5 5 0 0 0 0 0 5 5
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............59 57 55 51 50 49 47 47 46 45 44 44
RH..............35 38 42 48 51 51 52 55 57 60 63 63
20 FT wind dir..NW NW NW NW N NE E E E SE SE SE
20 FT wind spd..11 10 9 8 6 6 6 5 5 5 6 6
20 FT wind gust.17 16 14 13 10 8 8 7 7 7 8 8
Ridge wind dir..NW NW NW NW N NE E E E SE SE SE
Ridge wind spd..20 15 15 15 15 10 10 10 10 10 10 10
Mix hgt (kft)...6.0 5.5 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.N N N N N N N E SE SE S N
Transp wind spd.18 17 16 15 13 12 12 10 10 10 12 12
Haines index....3 3 3 3 3 3 3 3 3 3 3 3
SDspl kt-ft/1000100 85 4 0 0 0 0 0 0 0 0 0
.MONDAY...
Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 64.
Min humidity........31 percent.
Wind (20 ft)........Light winds until 1400, then west 8 to 9 mph
with gusts to around 14 mph.
Ridgetop wind.......Southeast around 10 mph until 1100, then west.
Mixing height.......6500 ft AGL after 1300.
Transport winds.....South around 12 mph until 0800, then east
around 10 mph until 0900, then northwest until
1500, then around 16 mph.
Smoke dispersal.....Poor until 0900. Good after 1400.
Haines Index........3 to 4.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........10 5 5 0 5 5 10 10 10 15 15 20
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............43 46 49 53 55 56 58 60 62 63 64 64
RH..............66 61 57 52 47 43 39 36 34 33 32 31
20 FT wind dir..SE SE SE SE S W W W W W W NW
20 FT wind spd..6 6 5 5 5 5 6 6 8 9 9 9
20 FT wind gust.8 8 7 7 7 7 8 10 13 14 14 14
Ridge wind dir..SE SE SE SE S W W W W W W NW
Ridge wind spd..10 10 10 10 10 10 10 15 15 15 15 15
Mix hgt (kft)...0.1 0.1 0.1 1.5 3.5 4.5 5.0 5.5 6.0 6.5 6.5 6.0
Transp wind dir.S S E N N NW NW NW NW W W NW
Transp wind spd.12 12 10 10 10 10 12 13 15 16 16 16
Haines index....3 3 3 3 3 3 4 4 4 4 4 4
SDspl kt-ft/10000 0 1 14 33 40 52 62 78 90 88 86
.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...
Mostly clear. Lows in the mid 40s. Highs in the upper 60s. Light
winds.
.WEDNESDAY...
Mostly clear. Lows in the upper 40s. Highs in the lower 70s.
Southwest winds around 7 mph.
.THURSDAY...
Mostly clear. Lows around 50. Highs in the lower 70s. Southwest
winds around 8 mph.
$$
Forecaster...Straub
Requested by...Matthew Bell
Type of request...WILDFIRE
.TAG 2417316.13/RIW
.DELDT 07/07/24
.FormatterVersion 2.0.0
.EMAIL matthew.bell2@usda.gov