Spot Forecast
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
849
FNUS75 KRIW 311130
FWSRIW
Spot Forecast for Deadline Ridge RX...WY BLM
National Weather Service Riverton WY
530 AM MDT Fri May 31 2024
Forecast is based on ignition time of 0600 MDT on May 31.
If conditions become unrepresentative, contact the National Weather
Service
.DISCUSSION...
...Thunderstorms imply strong gusty and erratic winds...
...Haines index is high level haines both day and night...
.TODAY...
Today will be mostly clear, with a west/southwest breeze this
afternoon. Wind will be 10-15 mph, with gusts up to 25 mph through
the afternoon hours. Smoke dispersal will improve this morning
becoming very good to excellent this afternoon. No chance of
precipitation or wetting rain. Temperatures will be similar to
yesterday, but a bit warmer (middle 60s for a high).
Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 58.
Min humidity........22 percent.
Wind (20 ft)........Southwest winds 4 to 8 mph increasing to 10 to
15 mph by 1200. Gusts up to 25 mph in
the afternoon.
Ridgetop wind.......West 10 to 15 mph increasing to around 20 mph
by 1200.
Mixing height.......600 ft AGL early this morning increasing to 7100
ft AGL by 1400.
Transport winds.....West 12 to 18 mph increasing to 18 to 22 mph
by 1400.
Smoke dispersal.....Poor (2400 knot-ft) early in the morning
increasing to good (95000 knot-ft) by 1200
increasing to very good (110600 knot-ft) by 1400.
Haines Index........3 to 4 or very low to low potential for large
plume dominated fire growth.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........12 13 7 4 5 4 5 9 7 4 4 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............35 36 40 44 50 52 54 56 56 58 58 58
RH..............52 54 48 43 31 28 25 25 24 23 22 22
20 FT wind dir..W W W SW W W W W W W W W
20 FT wind spd..6 6 6 7 8 9 11 12 12 11 11 11
20 FT wind gust.10 8 10 11 12 14 17 18 18 17 17 17
Ridge wind dir..W W W SW W W W W W W W W
Ridge wind spd..10 10 15 15 15 15 20 20 20 20 20 20
Mix hgt (kft)...0.3 0.2 0.6 2.5 3.8 4.8 5.6 6.1 6.5 7.0 7.1 6.6
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.12 12 13 15 17 18 20 21 21 22 22 21
Haines index....3 3 3 3 3 3 4 4 4 4 4 4
SDspl kt-ft/10003 2 7 33 57 76 95 111 116 133 136 118
.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 38.
Max humidity........54 percent.
Wind (20 ft)........West winds 5 to 10 mph in the evening and
becoming light by 2300.
Ridgetop wind.......West 10 to 15 mph.
Mixing height.......5600 ft AGL decreasing to 200 ft AGL by 2300.
Transport winds.....West 12 to 20 mph decreasing to 8 to 10 mph
by 2300.
Smoke dispersal.....Good (94600 knot-ft) early in the evening
decreasing to poor (1800 knot-ft) by 2300.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........5 7 9 7 6 10 9 9 8 12 21 35
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............57 55 52 46 44 42 42 42 41 40 40 40
RH..............24 28 33 43 48 51 53 54 53 53 50 48
20 FT wind dir..W W W W W W NW W W NW W W
20 FT wind spd..10 10 8 6 6 6 6 6 5 4 3 3
20 FT wind gust.16 16 13 10 10 10 10 8 7 6 5 5
Ridge wind dir..W W W W W W NW W W NW W W
Ridge wind spd..15 15 15 15 15 15 15 10 10 10 10 10
Mix hgt (kft)...5.6 4.4 3.0 1.6 0.9 0.2 0.3 0.3 0.3 0.2 0.3 0.3
Transp wind dir.W W W W W NW W W W W W W
Transp wind spd.20 17 15 13 13 13 13 12 10 9 8 8
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
SDspl kt-ft/100095 66 39 18 10 3 3 3 2 2 2 2
.SATURDAY...
Sky/weather.........Mostly sunny (35-45 percent).
CWR.................0 percent.
Chance of pcpn......10 percent.
LAL.................1.
Max temperature.....Around 64.
Min humidity........24 percent.
Wind (20 ft)........Light wind early in the morning becoming southwest
11 to 16 mph with gusts to around 24 mph by 1400.
Ridgetop wind.......Southwest around 10 mph increasing to 20 to 25
mph by 1300.
Mixing height.......500 ft AGL early in the morning increasing to 9000
ft AGL by 1400.
Transport winds.....West 10 to 17 mph increasing to 21 to 28 mph by 1300.
Smoke dispersal.....Poor (1100 knot-ft) early in the morning
increasing to good (74900 knot-ft) by 1200 increasing
to excellent (215600 knot-ft) by 1400.
Haines Index........4 to 5 or low to moderate potential for large
plume dominated fire growth.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........33 41 37 22 34 41 47 49 51 53 57 60
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 10 10 10 10 10 10
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............39 42 46 49 55 58 61 62 63 63 63 62
RH..............45 44 39 34 29 28 26 26 26 26 26 27
20 FT wind dir..W W SW S S S SW SW SW SW W W
20 FT wind spd..5 3 3 4 6 8 10 11 13 15 16 15
20 FT wind gust.7 5 5 6 8 13 16 17 19 22 24 22
Ridge wind dir..W W SW S S S SW SW SW SW W W
Ridge wind spd..10 10 10 10 10 15 15 20 20 25 25 25
Mix hgt (kft)...0.3 0.2 0.5 1.2 2.6 5.0 7.4 7.9 8.5 9.0 8.5 8.1
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.10 8 8 9 13 17 21 23 25 28 26 25
Haines index....5 5 5 5 5 5 4 4 4 4 4 4
SDspl kt-ft/10002 1 4 9 28 75 134 159 186 216 196 177
.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
Partly cloudy. Lows in the mid 40s. Highs in the lower 60s. West
winds around 10 mph.
.MONDAY...
Partly cloudy. Lows in the lower 40s. Highs in the mid 60s. West
winds around 10 mph.
.TUESDAY...
Mostly cloudy. Scattered showers. Lows in the lower 40s. Highs in
the upper 50s. West winds around 17 mph.
$$
Forecaster...Rowe
Requested by...Ross Dary
Type of request...PRESCRIBED
.TAG 2415387.0/RIW
.DELDT 05/31/24
.FormatterVersion 2.0.0
.EMAIL rdary794@gmail.com