Spot Forecast
Issued by NWS Cheyenne, WY
Issued by NWS Cheyenne, WY
192
FNUS75 KCYS 260325
FWSCYS
Spot Forecast for Eagle Eye...Great Plains Dispatch
National Weather Service Cheyenne WY
925 PM MDT Tue Jun 25 2024
If conditions become unrepresentative, contact the National Weather
Service at (307) 772-2227
.DISCUSSION...
Excellent RH recoveries near 90 percent are expected overnight. Scattered to
numerous showers and thunderstorms are expected in the vicinity of the burn
area late Wednesday afternoon through the evening, especially after 4 PM. Gusty
and erratic surface winds will be possible near thunderstorms. Strong southerly
surface winds are possible during the overnight with gusts over 45 MPH possible
due to the low level jet. Winds will not be as strong on Thursday, but another
round of showers and storms will be likely once again.
.REST OF TONIGHT...
Sky/weather.........Partly cloudy.
CWR.................0 percent.
LAL.................1.
Min temperature.....57-62 degrees.
Max humidity........83-87 percent.
Wind (20 ft)........Northeast 8 to 12 MPH, becoming light and variable
in direction overnight.
Mixing height.......Decreasing to around 500 feet AGL overnight.
Transport winds.....Northeast around 15 MPH.
Smoke dispersal.....Becoming poor overnight.
Haines Index........3 (Very Low).
TIME (MDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........5 5 6 11 16 21 25 28
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1
Temp............70 68 66 65 63 62 60 61
RH..............64 70 74 78 85 87 90 82
20 FT wind dir..E SE E NE N N N E
20 FT wind spd..9 7 6 6 6 6 6 3
20 FT wind gust.12 8 7 7 8 8 8
Mix hgt (kft)...0.1 0.2 0.6 0.6 0.6 0.6 0.5 0.5
Transp wind dir.E E E NE NE NE NE NE
Transp wind spd.12 12 10 10 12 12 12 13
Haines index....4 4 3 3 3 3 3 3
SDspl kt-ft/10001 2 6 6 6 6 6 6
.WEDNESDAY...
Sky/weather.........Mostly sunny in the morning, then becoming partly
to mostly cloudy in the afternoon. A chance of showers
and thunderstorms after 1600L.
CWR.................20 percent.
LAL.................1 until 1600L, then 3.
Max temperature.....82-87 degrees.
Min humidity........35-40 percent.
Wind (20 ft)........Light and variable in direction early in the morning,
becoming east to southeast 10 to 15 MPH with gusts up
to 25 MPH after 1200L. Gusty and erratic winds possible
near thunderstorms.
Mixing height.......6000 to 8000 feet AGL In the afternoon.
Transport winds.....Southeast around 15 MPH.
Smoke dispersal.....Very good in the afternoon.
Haines Index........3 (Very Low).
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........32 29 26 23 20 16 10 14 20 25 34 51
Weather cov..... CHC CHC CHC
Weather type.... RW RW RW
Tstm cov........ CHC CHC CHC
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............61 61 64 66 70 73 77 80 83 84 83 81
RH..............79 76 68 63 57 51 45 41 37 36 37 41
20 FT wind dir..E E E E E E E E SE SE SE SE
20 FT wind spd..5 9 10 12 12 12 12 12 12 12 13 13
20 FT wind gust.9 13 16 17 18 18 20 20 20 20 21 21
Mix hgt (kft)...0.7 0.9 1.4 2.0 3.1 4.4 5.5 6.2 6.7 6.9 7.3 7.3
Transp wind dir.NE NE NE NE E E E SE SE SE SE SE
Transp wind spd.13 14 16 16 15 13 12 12 12 13 15 18
Haines index....3 3 3 3 3 3 4 4 4 4 4 4
SDspl kt-ft/10008 12 18 29 41 50 56 62 69 79 98 117
.WEDNESDAY NIGHT...
Sky/weather.........Mostly cloudy. A chance of showers and thunderstorms
in the evening.
CWR.................50 percent in the evening.
LAL.................4 until 2100L, then 2.
Min temperature.....58-63 degrees.
Max humidity........87-92 percent.
Wind (20 ft)........South winds 25 to 35 MPH with gusts up to 45 MPH. Gusty
and erratic winds possible near thunderstorms.
Mixing height.......Decreasing to around 500 feet AGL.
Transport winds.....South around 40 MPH overnight.
Smoke dispersal.....Becoming poor overnight.
Haines Index........3 (Very Low).
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........60 68 70 71 69 66 64 61 57 53 48 44
Weather cov.....LKY LKY LKY CHC CHC CHC SCH SCH SCH SCH SCH SCH
Weather type....RW RW RW RW RW RW RW RW RW RW RW RW
Tstm cov........CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH
CWR.............50 50 50 50 50 50 0 0 0 0 0 0
LAL.............3 3 3 3 3 3 2 2 2 2 2 2
Temp............80 76 72 70 69 68 67 66 66 65 64 64
RH..............44 52 61 68 70 76 78 81 81 82 87 88
20 FT wind dir..SE SE SE SE SE SE SE S S S S S
20 FT wind spd..13 13 13 14 13 14 15 16 17 16 14 14
20 FT wind gust.21 21 20 21 21 22 23 24 26 25 22 21
Mix hgt (kft)...6.9 5.6 4.0 2.6 2.0 1.7 1.6 1.4 1.3 1.1 0.9 0.7
Transp wind dir.SE SE SE SE SE SE SE S S S S S
Transp wind spd.21 21 21 22 28 33 37 36 32 28 26 25
Haines index....3 3 3 3 3 3 3 3 3 3 3 3
SDspl kt-ft/1000124 103 74 51 48 50 51 43 35 28 21 16
.THURSDAY...
Sky/weather.........Partly to mostly cloudy. A chance of showers
and thunderstorms in the afternoon.
CWR.................30 percent in the afternoon.
LAL.................1 until 1500, then 3.
Max temperature.....88-93 degrees.
Min humidity........28-33 percent.
Wind (20 ft)........Southwest 15 to 20 MPH with gusts up to 30 MPH.
Mixing height.......Increasing to around 12000 feet AGL in the
afternoon.
Transport winds.....West to southwest around 30 MPH.
Smoke dispersal.....Excellent in the afternoon.
Haines Index........3 to 4 (Very Low to Low).
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........40 42 44 46 47 49 51 53 54 55 57 58
Weather cov..... CHC CHC CHC CHC CHC CHC
Weather type.... RW RW RW RW RW RW
Tstm cov........ CHC CHC CHC
CWR.............0 0 0 0 0 0 30 30 30 30 30 30
LAL.............1 1 1 1 1 1 1 1 1 3 3 3
Temp............63 66 69 73 77 81 85 87 89 90 89 87
RH..............90 83 74 67 56 47 39 35 32 29 30 32
20 FT wind dir..S S S SW SW SW SW SW SW SW SW SW
20 FT wind spd..17 16 15 14 14 13 13 13 14 15 16 17
20 FT wind gust.25 23 20 17 16 14 14 15 17 20 22 24
Mix hgt (kft)...0.7 0.7 0.9 1.5 2.2 3.3 4.7 7.0 9.3 11 11 11
Transp wind dir.SW SW SW SW SW SW W W W W W SW
Transp wind spd.24 22 20 17 16 16 16 16 17 17 15 13
Haines index....3 3 3 3 3 3 4 4 4 4 4 4
SDspl kt-ft/100014 13 16 22 31 45 65 100 138 162 148 119
$$
Forecaster...Hammer
Requested by...Anyah
Type of request...WILDFIRE
.TAG 2416721.0/CYS
.DELDT 06/25/24
.FormatterVersion 2.0.0
.EMAIL sdgpc@firenet.gov