612
FNUS75 KBOU 191239
FWSBOU

Spot Forecast for Praise Piles RX...USFS
National Weather Service Denver/Boulder CO
539 AM MST Sun Jan 19 2025

If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...It will be cold and stable today with a light west
to southwest wind. An arctic cold front will bring colder
temperatures for Monday with highs around 5 degrees. Light snow is
expected late tonight and Monday morning with up to 2 inches of
snow possible.

.TODAY...

Sky/weather.........Partly cloudy (30-40 percent) until 1200, then
                    mostly cloudy (60-70 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 15.
Min humidity........41 percent.
Wind (20 ft)........Southwest winds 5 to 7 mph until 1000, then
                    west 6 to 12 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 4900 ft AGL
                    until 1700, then 1900 ft AGL.
Smoke dispersal.....Poor until 1100, then fair until 1200, then
                    good until 1400, then very good until 1600,
                    then good until 1700, then poor.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........27  33  39  39  40  40  52  64  76  78  80  82
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............-21 -21 -19 -9  -1  5   10  12  13  14  13  11
RH..............100 100 100 70  55  47  43  41  43  45  47  53
20 FT wind dir..SW  SW  SW  SW  W   W   W   W   W   W   W   W
20 FT wind spd..5   5   5   6   6   7   7   8   8   7   7   6
20 FT wind gust.7   7   7   8   9   10  12  13  13  12  10  8
Mix hgt (kft)...0.8 0.8 0.8 1.1 2.4 3.3 4.2 4.8 5.2 5.1 4.5 1.9
Vrate kt-ft/1K..7   7   6   10  32  50  71  87  104 102 76  20
SmokeDispersion.P   P   P   P   P   F   G   G   VG  VG  G   P

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of snow
                    after 2300.
Chance of pcpn......50 percent.
Min temperature.....Around 14 below.
Max humidity........100 percent.
Wind (20 ft)........Northwest winds around 5 mph until 2400, then
                    north 5 to 12 mph.
Mixing height.......1000 ft AGL until 1900, then Below 1000 FT AGL
                    until 2300, then 1000 ft AGL until 2400, then
                    Below 1000 FT AGL until 0300, then 1400 ft AGL.
Smoke dispersal.....Poor.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........77  73  69  73  78  83  85  87  89  91  92  84
Weather cov.....                    CHC CHC CHC CHC CHC CHC CHC
Weather type....                    SN  SN  SN  SN  SN  SN  SN
Tstm cov........
Chc of pcpn (%).0   0   0   0   10  30  40  40  40  40  40  50
Temp............7   3   1   0   -1  -2  -2  -2  -8  -8  -9  -10
RH..............61  76  74  75  76  78  76  73  100 100 100 87
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  N   N   N   N
20 FT wind spd..3   3   3   2   2   2   3   3   3   3   5   3
20 FT wind gust.6   5   5   5   3   3   5   5   6   6   8   6
Mix hgt (kft)...1.0 0.8 0.8 0.8 0.8 1.0 0.9 0.8 0.9 1.4 1.4 1.4
Vrate kt-ft/1K..8   5   5   5   5   6   5   6   7   14  14  14
SmokeDispersion.P   P   P   P   P   P   P   P   P   P   P   P

.MARTIN LUTHER KING JR DAY...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of snow
                    until 1700.
Chance of pcpn......50 percent.
Max temperature.....Around 7 above.
Min humidity........55 percent.
Wind (20 ft)........Variable up to 5 mph until 1200, then south 5
                    to 8 mph.
Mixing height.......1100 ft AGL until 0700, then Below 1000 FT AGL
                    until 0800, then 2800 ft AGL.
Smoke dispersal.....Poor.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........77  69  80  72  79  86  85  83  82  79  75  72
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN
Tstm cov........
Chc of pcpn (%).50  50  50  50  50  30  30  30  30  30  30  0
Temp............-13 -14 -13 -8  -3  1   3   5   6   6   3   0
RH..............93  94  93  90  76  68  64  58  56  55  61  56
20 FT wind dir..N   N   N   NE  SE  S   S   S   S   S   S   S
20 FT wind spd..2   2   2   2   2   3   5   6   5   3   3   5
20 FT wind gust.3   3   3   3   3   6   7   9   7   6   6   13
Mix hgt (kft)...1.1 0.9 1.2 1.4 2.1 2.8 3.2 3.1 3.0 2.5 2.1 1.6
Vrate kt-ft/1K..9   6   7   8   17  28  38  38  39  28  19  11
SmokeDispersion.P   P   P   P   P   P   P   P   P   P   P   P

$$
Forecaster...Meier
Requested by...Christopher Rokosh
Type of request...PRESCRIBED
.TAG 2500899.0/BOU
.DELDT 01/19/25
.FormatterVersion 2.0.0
.EMAIL christopher.rokosh@usda.gov