Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
662
FNUS75 KRIW 270931
FWSRIW
Spot Forecast for Monument Ridge Rx...USFS Forest Service
National Weather Service Riverton WY
331 AM MDT Thu Jun 27 2024
Forecast is based on ignition time of 0500 MDT on June 27.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
A chance (15% to 20%) of showers early morning. Chances increase
late morning, with about a 60% chance for a shower or
thunderstorm through the afternoon. Best chances occur between
1200L and 1600L. Any storms could bring moderate to heavy rainfall
and strong gusty winds. Chances end by sunset. A drying trend
occurs through the weekend, with no rain chances Friday
through Sunday.
...Thunderstorms imply strong gusty and erratic winds...
...Haines index is high level haines both day and night...
.TODAY...
Sky/weather.........Mostly cloudy (70-80 percent) then becoming
mostly sunny (30-40 percent). Isolated showers
and thunderstorms in the morning becoming
scattered in the afternoon.
CWR.................1 percent increasing to 30 percent in the
afternoon.
Chance of pcpn......60 percent.
LAL.................1 until 1000, then 2 until 1200, then 4 until
1500, then 3 until 1700, then 1.
Max temperature.....Around 65.
Min humidity........30-35 percent.
Wind (20 ft)........Light winds until 0900, then west 10 to 15 mph
with gusts to around 20 mph. Gusty and erratic
winds expected near thunderstorms in the late
morning and afternoon.
Ridgetop wind.......Southeast around 10 mph until 0800, then
southwest until 1200, then west 20 to 25 mph.
Mixing height.......Around 500 ft AGL increasing to 7000 ft AGL
after 1200.
Transport winds.....Southwest 8 to 17 mph until 1000. West around
30 mph after 1700.
Smoke dispersal.....Poor until 0900. Excellent after 1700.
Haines Index........3.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........80 65 50 45 35 40 45 50 45 50 30 15
Weather cov..... ISO ISO ISO SCT SCT SCT SCT ISO
Weather type.... RW RW RW RW RW RW RW RW
Tstm cov........ ISO ISO SCT SCT SCT SCT ISO
CWR.............0 0 0 0 0 0 30 30 30 30 30 30
Chc of pcpn (%).0 20 10 10 20 20 40 50 50 50 20 10
LAL.............1 1 1 2 2 2 4 4 4 3 3 3
Temp............55 54 57 61 62 62 63 64 64 64 64 65
RH..............68 70 66 63 60 59 55 51 50 50 46 38
20 FT wind dir..S S SW W W W W W W W W W
20 FT wind spd..4 4 5 8 10 10 11 11 12 13 15 15
20 FT wind gust.5 5 6 11 14 14 16 17 18 18 19 20
Ridge wind dir..SE S SW W W W W W W W W W
Ridge wind spd..10 10 10 15 15 15 20 20 20 20 25 25
Mix hgt (kft)...0.1 0.1 1.0 3.0 3.5 4.5 5.5 6.5 5.5 6.5 6.0 7.0
Transp wind dir.SW SW SW SW W W W W W W W W
Transp wind spd.8 9 10 17 20 23 25 25 28 29 29 30
Haines index....3 3 3 3 3 3 3 3 3 3 3 3
SDspl kt-ft/10002 2 8 41 59 93 120 142 127 163 150 185
.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 38.
Max humidity........50-55 percent.
Wind (20 ft)........West winds 9 to 14 mph with gusts to around 18
mph until 2100, then light favoring a south to
southwest direction.
Ridgetop wind.......West 15 to 20 mph until 2200, then southeast
around 10 mph until 0200, then southwest.
Mixing height.......5500 ft AGL until 2000.
Transport winds.....West 26 to 29 mph until 2000. Around 8 mph
after 0500.
Smoke dispersal.....Excellent early in the evening decreasing to
very good late in the night until 2000. Poor
after 2100.
Haines Index........3 to 4.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........15 15 10 10 15 10 15 10 10 15 10 10
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............64 64 61 56 53 50 48 46 44 43 42 41
RH..............33 33 33 41 41 43 43 43 45 47 49 51
20 FT wind dir..W W W NW E S S S S SW SW S
20 FT wind spd..14 11 9 6 6 5 4 5 6 5 4 3
20 FT wind gust.18 16 13 8 8 6 6 6 7 6 6 5
Ridge wind dir..W W W NW E S S S S SW SW S
Ridge wind spd..20 20 15 15 10 10 10 10 10 10 10 10
Mix hgt (kft)...6.5 5.5 2.5 0.5 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.29 26 18 14 12 10 9 10 12 10 9 8
Haines index....4 4 4 4 4 4 3 3 3 3 3 3
SDspl kt-ft/1000160 126 42 4 4 2 2 2 2 2 2 2
.FRIDAY...
Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 60.
Min humidity........Around 25 percent.
Wind (20 ft)........Light winds until 1000, then west 10 to 15 mph
with gusts to around 20 mph.
Ridgetop wind.......South around 10 mph until 0700, then light
until 0800, then northwest 10 to 15 mph until
1000, then west around 20 mph.
Mixing height.......6500 ft AGL after 1200.
Transport winds.....West 7 to 14 mph until 0900, then 20 to 25 mph.
Smoke dispersal.....Poor until 0800. Very good after 1400.
Haines Index........3.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........15 10 10 10 5 5 5 5 5 10 10 10
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............39 41 46 49 52 53 55 57 58 59 59 59
RH..............53 52 45 42 41 37 34 31 28 27 26 28
20 FT wind dir..S S NW W W W W W W W W W
20 FT wind spd..3 2 4 6 11 12 14 14 14 14 14 12
20 FT wind gust.4 4 5 10 16 17 18 19 20 19 18 17
Ridge wind dir..S S NW W W W W W W W W W
Ridge wind spd..10 5 10 15 20 20 20 20 20 20 20 20
Mix hgt (kft)...0.1 0.5 1.5 3.0 3.5 4.5 5.0 5.5 6.0 6.5 6.5 6.5
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.8 7 14 20 21 22 23 24 24 25 24 23
Haines index....3 3 3 3 3 3 3 3 3 3 3 3
SDspl kt-ft/10002 2 17 53 66 83 101 117 127 145 136 129
.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...
Warmer. Mostly clear. Lows in the lower 40s. Highs in the mid
70s. Light winds.
.SUNDAY...
Mostly clear. Lows in the lower 50s. Highs in the upper 70s.
South winds around 7 mph.
.MONDAY...
Cooler. Partly cloudy. Slight chance of showers and
thunderstorms. Lows in the upper 40s. Highs in the mid 60s. West
winds around 10 mph.
$$
Forecaster...Wittmann
Requested by...Sam Roseberry
Type of request...PRESCRIBED
.TAG 2416764.0/RIW
.DELDT 06/27/24
.FormatterVersion 2.0.0
.EMAIL samuel.roseberry@usda.gov