Spot Forecast
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
727
FNUS75 KCYS 230037
FWSCYS
Spot Forecast for Tree fire...Yoder Fire
National Weather Service Cheyenne WY
637 PM MDT Wed May 22 2024
If conditions become unrepresentative, contact the National Weather
Service at (307) 772-2227.
.DISCUSSION...Dry and quiet weather expected over the next 12 hours
across Goshen County before a strong cold front pushes across
the region early Thursday morning. Winds out of the south or southeast
will shift into the northwest and increase through the afternoon.
.REST OF TONIGHT...
Sky/weather.........Mostly cloudy (60-75 percent) then becoming
partly cloudy (25-35 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....39 to 44 Degrees.
Max humidity........60 to 75 percent.
Wind (20 ft)........South winds 5 to 10 mph.
Mixing height.......Decreasing to 200 ft AGL in the late evening.
Transport winds.....South 10 to 21 mph.
Smoke dispersal.....Good (95200 knot-ft) early this evening
decreasing to poor (2400 knot-ft) in the
late evening and overnight.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
TIME (MDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........59 50 40 32 24 17 16 15 14 14 14
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1 1
Temp............66 61 58 55 53 51 50 48 48 47 45
RH..............27 33 36 41 46 50 54 56 56 58 60
20 FT wind dir..SW S SE SE S S S S S S S
20 FT wind spd..8 7 6 7 7 7 8 8 8 8 8
20 FT wind gust.10 8 8 8 9 9 10 10 10 10 10
Mix hgt (kft)...10 5.6 1.6 0.4 0.4 0.8 0.6 0.5 0.5 0.3 0.2
Transp wind dir.SW S S S S S S S S S S
Transp wind spd.21 20 17 17 16 16 15 13 13 12 13
Haines index....5 5 5 5 5 5 5 5 5 5 5
SDspl kt-ft/1000187 95 24 6 5 11 8 6 5 3 2
.THURSDAY...
Sky/weather.........Mostly Sunny (20-30 percent) then becoming partly
sunny (50-65 percent). Chance of rain showers
and slight chance of thunderstorms late in the
afternoon.
CWR.................5 percent.
LAL.................1 until 1500, then 3.
Max temperature.....67 to 72 degrees.
Min humidity........20 to 26 percent.
Wind (20 ft)........Breezy. Southeast winds 9 to 16 mph shifting to
the northwest 20 to 30 mph with gusts to around 45
mph in the late morning and afternoon. Gusty
and erratic winds expected near thunderstorms
late in the afternoon.
Mixing height.......Increasing to 15400 ft AGL late in
the morning, then decreasing to 5300 ft AGL
behind the cold front.
Transport winds.....Southwest 14 to 22 mph increasing to 30 to 40
mph and shifting to the northwest.
Smoke dispersal.....Increasing to excellent (230700 knot-ft) late in the
morning through the afternoon.
Haines Index........5 or moderate potential for large plume dominated
fire growth.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........14 11 8 6 9 13 17 30 42 55 54 53
Weather cov..... CHC CHC CHC
Weather type.... RW RW RW
Tstm cov........ SCH SCH SCH
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
LAL.............1 1 1 1 1 1 1 1 1 3 3 3
Temp............47 50 56 62 64 65 66 66 65 65 63 62
RH..............56 52 43 35 32 31 28 28 28 29 24 24
20 FT wind dir..SW SW W W W W W W W W W W
20 FT wind spd..9 13 16 17 18 18 18 21 23 25 25 24
20 FT wind gust.12 23 28 31 32 32 32 36 40 44 44 41
Mix hgt (kft)...0.4 0.4 1.0 2.7 7.4 12 15 13 9.2 5.3 3.9 3.5
Transp wind dir.SW SW SW SW SW SW SW SW W NW NW W
Transp wind spd.14 17 22 24 24 24 23 25 29 31 35 39
Haines index....5 5 5 5 5 5 3 3 3 3 3 3
SDspl kt-ft/10005 6 19 58 155 261 308 294 231 143 117 118
.THURSDAY NIGHT...
Sky/weather.........Mostly cloudy (45-55 percent) then becoming
partly cloudy (20-30 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....34 to 40 degrees.
Max humidity........65 to 85 percent.
Wind (20 ft)........Northwest winds 15 to 25 mph with gusts to
around 40 mph decreasing to 6 to 13 mph late in
the evening.
Mixing height.......1100 ft AGL.
Transport winds.....West 40 to 52 mph decreasing to 32 to 40 mph
overnight.
Smoke dispersal.....Excellent (209600 knot-ft) early in the evening
decreasing to poor (32100 knot-ft) late in the
night overnight.
Haines Index........2 or very low potential for large plume
dominated fire growth.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........52 48 44 41 31 21 11 10 8 6 6 6
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
LAL.............2 2 2 1 1 1 1 1 1 1 1 1
Temp............60 56 53 49 46 45 44 43 41 40 39 39
RH..............25 29 32 40 47 50 53 57 61 64 66 68
20 FT wind dir..NW NW NW NW NW NW NW NW NW NW NW W
20 FT wind spd..23 21 21 18 16 13 10 9 9 9 9 9
20 FT wind gust.40 38 35 31 26 22 13 12 12 12 12 12
Mix hgt (kft)...3.6 3.9 4.4 4.7 4.2 3.5 2.8 2.3 2.0 1.7 1.3 1.1
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.43 47 51 52 51 48 45 43 40 38 35 32
Haines index....3 3 3 3 3 3 2 2 2 2 2 2
SDspl kt-ft/1000132 159 193 210 186 148 109 86 69 56 39 32
$$
Requested by...Trevor Pulver
Type of request...WILDFIRE
.TAG 2414959.0/CYS
.DELDT 05/22/24
.FormatterVersion 2.0.0
.EMAIL pulver@yoderfire.org