647
FNUS75 KPUB 171237
FWSPUB

Spot Forecast for Cuchara Piles...USFS
National Weather Service Pueblo CO
537 AM MST Fri Jan 17 2025

Forecast is based on ignition time of 0600 MST on January 17.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (719) 948-9429, if you have questions
or concerns with this forecast.

.DISCUSSION...

Warm and windy conditions are expected today, with fair smoke
dispersion rates through most of the day. An abrupt change comes
through shortly after sunset, with rapidly cooling temperatures
and snow chances moving in over the burn site. Snow totals of 2 to
4 inches at the burn site are likely with the first round moving
through tonight and tomorrow. Another round is possible Sunday
night into Monday. Dangerously cold temperatures and wind chills
move in with this system, with below zero wind chills persisting
from Saturday through Tuesday.

.TODAY...

Sky/weather.........Sunny.
Max temperature.....36-38F.
Min humidity........19-24 percent.
Wind (20 ft)........Windy. West winds 26-30 mph with gusts to
                    around 45 mph until 1500, then 10-14 mph.
Mixing height.......3500 ft agl until 1700, then 1500 ft agl.
Transport winds.....West around 18 mph.
Smoke dispersal.....Poor until 0900, then fair until 1700, then
                    poor.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........8   10  12  10  7   5   6   8   10  17  24  32
Weather cov.....
Weather type....
Tstm cov........
Temp............22  24  25  32  35  36  36  37  36  36  33  28
RH..............48  45  46  36  33  34  33  34  34  36  39  48
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..30  30  30  26  26  26  21  21  21  14  14  14
20 FT wind gust.45  45  45  40  40  40  31  31  31  21  21  21
Mix hgt (kft)...1.5 1.5 1.5 2.0 2.5 2.5 2.5 3.0 3.0 3.5 3.0 1.5
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.30  29  28  26  25  23  23  24  23  25  21  15
Haines index....3   3   3   3   3   3   3   3   3   3   3   3
SDspl kt-ft/100039  37  38  44  52  49  54  65  64  72  53  22

.TONIGHT...

Sky/weather.........Chance of snow showers until 2400, then snow showers.
Min temperature.....9-11F.
Max humidity........78-83 percent.
Wind (20 ft)........West winds around 8 mph.
Mixing height.......1500 ft agl.
Transport winds.....West around 9 mph.
Smoke dispersal.....Poor.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........34  36  39  43  47  51  54  57  60  69  79  88
Weather cov.....SCH SCH SCH SCH CHC CHC CHC CHC CHC LKY LKY DEF
Weather type....SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Tstm cov........
Temp............25  23  21  21  20  19  18  17  17  16  15  14
RH..............54  59  66  63  69  69  71  71  71  74  75  77
20 FT wind dir..W   W   W   NW  NW  NW  SW  SW  SW  W   W   W
20 FT wind spd..8   8   8   6   6   6   6   6   6   7   7   7
20 FT wind gust.14  14  14  9   9   9   9   9   9   12  12  12
Mix hgt (kft)...1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
Transp wind dir.W   W   W   W   W   W   W   W   SW  SW  W   W
Transp wind spd.14  14  12  12  10  10  10  9   8   8   10  10
Haines index....2   2   2   2   2   2   2   2   2   2   2   2
SDspl kt-ft/100020  18  15  15  14  14  13  12  10  10  13  14

.SATURDAY...

Sky/weather.........Mostly cloudy. Snow showers.
Max temperature.....16-18F.
Min humidity........56-61 percent.
Wind (20 ft)........Northwest winds around 12 mph until 1500, then
                    north around 9 mph.
Mixing height.......5000 ft agl until 1600, then 3000 ft agl.
Transport winds.....Northwest around 16 mph until 1700, then north
                    around 12 mph.
Smoke dispersal.....Poor until 0900, then fair until 1000, then
                    good until 1700, then poor.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........86  83  80  77  74  81  81  81  75  72  70  79
Weather cov.....DEF DEF LKY LKY LKY DEF DEF DEF LKY LKY LKY DEF
Weather type....SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SN
Tstm cov........
Temp............13  11  13  17  17  17  17  15  13  11  9   7
RH..............76  83  71  61  62  62  62  64  69  72  73  76
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  N   N   N
20 FT wind spd..9   9   9   12  12  12  12  12  12  9   9   9
20 FT wind gust.14  14  14  17  17  17  17  17  17  22  22  22
Mix hgt (kft)...1.5 1.5 2.0 3.0 4.0 4.5 5.5 5.5 5.0 4.0 3.0 2.5
Transp wind dir.W   W   W   W   W   W   NW  NW  NW  NW  NW  N
Transp wind spd.10  12  14  18  20  21  20  21  21  17  15  12
Haines index....3   3   3   3   3   3   3   3   3   3   3   3
SDspl kt-ft/100014  15  26  46  68  83  92  95  93  63  42  23

$$
Forecaster...EHR
Requested by...Mark Moyer
Type of request...PRESCRIBED
.TAG 2500829.0/PUB
.DELDT 01/17/25
.FormatterVersion 2.0.0