Spot Forecast
Issued by NWS Denver/Boulder, CO

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FNUS75 KBOU 140941
FWSBOU

Spot Forecast for Lily Lake Pile Unit...National Park Service
National Weather Service Denver/Boulder CO
341 AM MDT Thu Mar 14 2024

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

.DISCUSSION...Heavy snow will continue over the region through this
evening then decrease overnight.  Dispersal will be fair after 0900
then poor tonight. The snow will taper off to scattered showers on
Friday.  Winds will be light at the surface and aloft, and will
result in poor dispersal.

.TODAY...

Sky/weather.........Cloudy. Patchy blowing snow until 1200. Snow.
CWR.................96 percent.
Chance of pcpn......100 percent.
Max temperature.....Around 25.
Min humidity........78%.
Wind (20 ft)........Northeast winds 13-19 mph with gusts to around
                    30 mph.
Mixing height.......1100 ft AGL until 0700, then Below 1000 FT AGL
                    until 0900, then 2700 ft AGL.
Transport winds.....Northeast 20-25 mph.
Smoke dispersal.....Poor until 0900, then fair.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........100 100 100 100 100 100 100 100 100 100 100 100
Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Weather type....SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN
Tstm cov........
CWR.............100 100 100 100 100 100 100 100 100 100 100 100
Chc of pcpn (%).100 100 100 100 100 100 100 100 100 100 100 100
Temp............22  22  22  22  23  23  24  25  24  25  24  24
RH..............84  84  81  81  81  81  81  78  84  81  84  81
20 FT wind dir..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..15  15  15  16  16  16  18  17  16  16  15  14
20 FT wind gust.24  24  24  25  25  25  30  28  25  25  24  22
Mix hgt (kft)...1.1 0.5 0.5 1.9 2.6 2.7 2.4 2.6 2.5 2.6 2.4 2.2
Transp wind dir.NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  E
Transp wind spd.23  20  20  24  25  24  24  24  23  24  22  22
Vrate kt-ft/1K..23  9   9   41  57  58  51  55  51  55  46  42
SmokeDispersion.P   P   P   F   F   F   F   F   F   F   F   F

.TONIGHT...

Sky/weather.........Cloudy. Snow.
CWR.................95 percent.
Chance of pcpn......100 percent.
Min temperature.....Around 18.
Max humidity........88%.
Wind (20 ft)........Northeast winds 10-14 mph with gusts to around
                    22 mph until 2400. Southeast 6-10 mph after
                    0400.
Mixing height.......1400 ft AGL until 2200, then Below 1000 FT AGL.
Transport winds.....East 10-18 mph until 0200, then southeast 9-14
                    mph.
Smoke dispersal.....Poor.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........100 100 100 100 100 100 100 98  97  94  92  90
Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Weather type....SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN  SN
Tstm cov........
CWR.............100 100 100 100 100 100 100 100 100 100 100 100
Chc of pcpn (%).100 100 100 100 100 100 100 100 100 80  80  80
Temp............24  23  23  22  22  21  21  21  21  20  20  20
RH..............81  84  81  84  84  84  84  81  81  81  81  81
20 FT wind dir..NE  NE  NE  NE  NE  E   E   E   E   E   E   SE
20 FT wind spd..14  14  13  12  12  10  9   8   7   6   6   6
20 FT wind gust.22  22  21  18  18  16  15  13  12  9   9   9
Mix hgt (kft)...1.8 1.5 1.4 1.6 0.7 0.6 0.6 0.6 0.6 0.6 0.5 0.5
Transp wind dir.NE  E   NE  E   E   E   E   E   SE  E   SE  SE
Transp wind spd.18  17  17  16  15  13  13  10  12  10  12  10
Vrate kt-ft/1K..28  22  22  23  9   6   6   5   6   5   6   5
SmokeDispersion.P   P   P   P   P   P   P   P   P   P   P   P

.FRIDAY...

Sky/weather.........Mostly cloudy. Chance of snow showers until
                    1500, then slight chance of snow showers.
CWR.................13 percent.
Chance of pcpn......50 percent.
Max temperature.....Around 33.
Min humidity........61%.
Wind (20 ft)........Southeast winds 6-7 mph until 0800, then south
                    4-12 mph until 1700, then southeast around 5
                    mph.
Mixing height.......Below 1000 FT AGL until 0800, then 2200 ft AGL.
Transport winds.....Southeast around 14 mph until 1000, then south
                    10-16 mph.
Smoke dispersal.....Poor.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........88  84  80  78  75  71  66  62  57  55  57  61
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC SCH SCH SCH
Weather type....SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Tstm cov........
CWR.............10  10  10  10  10  10  10  10  10  10  10  10
Chc of pcpn (%).50  50  50  40  40  40  30  30  30  20  20  20
Temp............19  19  20  20  23  26  29  31  32  32  32  31
RH..............84  88  84  84  77  71  66  64  61  63  66  68
20 FT wind dir..SE  SE  S   S   S   S   S   S   S   S   SE  SE
20 FT wind spd..6   7   7   7   8   8   8   8   7   7   6   5
20 FT wind gust.10  12  12  13  14  15  16  16  15  14  13  12
Mix hgt (kft)...0.6 0.9 1.3 1.7 1.9 2.0 2.2 2.1 2.0 1.9 1.8 1.7
Transp wind dir.E   SE  SE  SE  S   S   S   S   S   S   S   S
Transp wind spd.14  14  14  14  15  15  16  15  13  12  10  10
Vrate kt-ft/1K..7   11  16  21  24  27  31  27  23  19  17  14
SmokeDispersion.P   P   P   P   P   P   P   P   P   P   P   P

$$
Forecaster...Cooper
Requested by...Kelly Doggett
Type of request...PRESCRIBED
.TAG 2403911.9/BOU
.DELDT 03/14/24
.FormatterVersion 1.0.26
.EMAIL kelly_doggett@nps.gov


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