496
FNUS75 KBOU 211259
FWSBOU

Spot Forecast for Allenspark Boundry Piles...National Park Service
National Weather Service Denver/Boulder CO
559 AM MST Fri Feb 21 2025

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

.DISCUSSION...It will be mostly cloudy with a chance of
snow until 1100, then skies will become partly cloudy by 1400.
Minimum humidity will be around 50 percent.  Winds will be light and
variable at 5 mph until 1600, then west 5 to 7 mph.  Smoke dispersal
will be poor all day.


.REST OF TODAY...

Sky/weather.........Mostly cloudy (60-70 percent) until 1400, then
                    partly cloudy (40-50 percent) until 1700, then
                    mostly sunny (20-30 percent). Chance of snow
                    until 1100.
CWR.................12 percent decreasing to 1 percent late in the
                    afternoon.
Chance of pcpn......40 percent.
Chance of thunder...1 percent.
Max temperature.....Around 34.
Min humidity........51 percent.
Wind (20 ft)........Variable up to 5 mph until 1100, then northeast
                    around 5 mph until 1300, then variable up to 5
                    mph until 1600, then west 5 to 7 mph.
Mixing height.......3100 ft AGL.
Transport winds.....North 8 to 10 mph until 0900, then light until
                    1000, then north 8 to 11 mph until 1300, then
                    west 8 to 13 mph.
Smoke dispersal.....Poor.

TIME (MST)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........80  72  68  60  57  55  51  47  41  39  23
Weather cov.....CHC CHC CHC CHC
Weather type....SN  SN  SN  SN
Tstm cov........
CWR.............10  10  10  10  0   0   0   0   0   0   0
Chc of pcpn (%).40  30  30  30  10  10  10  10  10  10  0
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0
Temp............19  21  23  26  29  32  33  34  34  32  31
RH..............80  74  71  65  58  56  53  54  51  56  53
20 FT wind dir..NW  NW  N   NE  NE  NE  N   NW  NW  W   W
20 FT wind spd..2   2   2   3   3   3   2   2   3   5   6
20 FT wind gust.6   5   3   6   6   6   6   7   8   8   7
Mix hgt (kft)...1.3 1.4 2.3 3.2 3.2 3.2 3.3 3.4 3.5 3.4 1.8
Transp wind dir.N   N   N   N   N   NW  NW  NW  W   W   W
Transp wind spd.7   7   7   9   8   9   9   9   10  12  12
Vrate kt-ft/1K..8   9   14  25  22  26  27  28  32  34  18
SmokeDispersion.P   P   P   P   P   P   P   P   P   P   P

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................1 percent.
Chance of pcpn......0 percent.
Chance of thunder...1 percent.
Min temperature.....Around 20.
Max humidity........62 percent.
Wind (20 ft)........West winds 7 to 15 mph. Gusts up to 24 mph
                    overnight.
Mixing height.......1300 ft AGL.
Transport winds.....West 12 to 21 mph until 0100, then 21 to 26
                    mph.
Smoke dispersal.....Poor.

TIME (MST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........17  13  11  10  11  10  8   9   8   9   8   10
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
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............28  25  24  23  22  22  22  22  21  21  20  22
RH..............58  62  62  62  62  59  57  57  56  56  56  49
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..7   8   9   10  12  13  14  14  14  14  14  15
20 FT wind gust.9   12  13  15  16  18  21  21  22  22  22  24
Mix hgt (kft)...1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.12  15  18  18  20  20  21  22  23  24  23  25
Vrate kt-ft/1K..13  17  21  21  22  22  23  24  26  27  26  28
SmokeDispersion.P   P   P   P   P   P   P   P   P   P   P   P

.SATURDAY...

Sky/weather.........Mostly sunny (10-20 percent) until 1500, then
                    partly cloudy (30-40 percent).
CWR.................1 percent.
Chance of pcpn......0 percent.
Chance of thunder...2 percent.
Max temperature.....Around 38.
Min humidity........38 percent.
Wind (20 ft)........West winds 10 to 15 mph with gusts to around 33
                    mph.
Mixing height.......2600 ft AGL.
Transport winds.....West 21 to 26 mph.
Smoke dispersal.....Poor until 1100, then fair until 1400, then
                    good until 1500, then fair until 1600, then
                    poor.

TIME (MST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........9   8   7   7   9   10  12  14  18  27  38  43
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
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............23  24  25  28  32  34  36  37  37  36  35  33
RH..............50  48  47  43  42  39  39  38  38  39  42  45
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..15  15  15  15  14  14  13  13  14  13  13  10
20 FT wind gust.24  24  24  24  22  22  21  21  22  21  21  33
Mix hgt (kft)...1.3 1.3 1.3 1.6 1.9 2.3 2.4 2.6 2.8 2.3 1.9 1.4
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.24  22  21  21  21  21  22  24  25  24  22  21
Vrate kt-ft/1K..26  25  23  29  35  41  47  54  61  48  36  26
SmokeDispersion.P   P   P   P   P   F   F   F   G   F   P   P

$$
Forecaster...RPK
Requested by...Kelly Doggett (RXB3)
Type of request...PRESCRIBED
.TAG 2503056.3/BOU
.DELDT 02/21/25
.FormatterVersion 2.0.0
.EMAIL kelly_doggett@nps.gov