985
FNUS75 KBOU 172237
FWSBOU

Spot Forecast for Pearl...Larimer County Sheriffs Office
National Weather Service Denver/Boulder CO
437 PM MDT Tue Sep 17 2024

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

.DISCUSSION...It will be mostly cloudy with a slight chance of showers
and thunderstorms until 1900.  Humidity recovery overnight will be
around 60 percent.  Winds will be southwest 14-22 mph with gusts to
35 mph until 2400, then 20-30 mph with gusts to 40 mph.

Wednesday will be mostly sunny until 1300, then partly cloudy.  Minimum
humidity will be around 25 percent.  Winds will be southwest 20-30 mph
with gusts to 40 mph.


.TONIGHT...

Sky/weather.........Mostly cloudy (45-55 percent) until 1900, then
                    mostly clear (15-25 percent). Slight chance of
                    rain showers and thunderstorms until 1900.
CWR.................4 percent.
LAL.................2 until 1900, then 1.
Min temperature.....Around 39.
Max humidity........61 percent.
Wind (20 ft)........Breezy. Southwest winds 14 to 22 mph with gusts
                    to around 33 mph until 2400, then 21 to 29 mph
                    with gusts to around 40 mph. Gusty and erratic
                    winds expected near thunderstorms until 1900.
Mixing height.......2400 ft AGL until 2000, then Below 1000 FT AGL.
Transport winds.....Southwest around 31 mph until 1900, then 20 to
                    26 mph.
Smoke dispersal.....Good until 1900. Poor after 0200.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (MDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........51  30  21  11  13  10  7   10  9   9   9   11
Weather cov.....SCH
Weather type....RW
Tstm cov........SCH
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
LAL.............2   1   1   1   1   1   1   1   1   1   1   1
Temp............50  49  47  45  44  43  42  41  40  39  39  39
RH..............54  56  58  53  49  47  44  44  46  48  50  50
20 FT wind dir..SW  SW  W   W   W   W   W   W   W   SW  SW  SW
20 FT wind spd..21  17  16  15  15  18  24  26  25  24  25  26
20 FT wind gust.33  28  25  24  24  30  37  40  38  37  38  40
Mix hgt (kft)...2.7 2.4 0.7 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.SW  SW  W   W   W   W   W   W   SW  SW  SW  W
Transp wind spd.31  20  20  20  23  23  24  26  25  24  25  26
Haines index....3   3   3   3   3   3   3   3   3   3   3   3
Vrate kt-ft/1K..74  40  12  10  8   8   8   8   7   7   7   7
SmokeDispersion.G   F   P   P   P   P   P   P   P   P   P   P

.WEDNESDAY...

Sky/weather.........Mostly sunny (15-25 percent) until 1300, then
                    partly cloudy (25-35 percent) until 1400, then
                    mostly sunny (10-20 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 58.
Min humidity........27 percent.
Wind (20 ft)........Breezy. Southwest winds 21 to 29 mph with gusts
                    to around 41 mph until 1700, then west around
                    18 mph with gusts to around 30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 5100 ft AGL.
Transport winds.....West 26 to 35 mph until 1000, then 32 to 39
                    mph.
Smoke dispersal.....Poor until 0900, then good until 1100, then
                    very good until 1500, then excellent until
                    1600, then very good.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........20  16  14  12  11  14  25  31  21  15  13  11
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............39  40  42  44  47  50  53  55  57  56  57  56
RH..............50  48  48  45  40  36  32  30  28  27  27  29
20 FT wind dir..SW  SW  SW  SW  SW  SW  W   W   W   W   W   W
20 FT wind spd..26  28  28  28  26  24  23  22  22  21  21  18
20 FT wind gust.40  41  41  41  40  37  35  35  35  33  33  30
Mix hgt (kft)...0.4 0.4 1.0 2.2 3.0 3.2 3.8 4.2 4.6 5.3 5.2 5.1
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.26  28  30  35  38  39  37  36  35  35  32  32
Haines index....4   4   4   4   4   4   4   4   4   4   4   4
Vrate kt-ft/1K..8   8   26  66  99  109 123 131 139 160 147 142
SmokeDispersion.P   P   P   G   G   VG  VG  VG  VG  E   VG  VG

$$
Forecaster...RPK
Requested by...SGT Derek Rosenquist
Type of request...WILDFIRE
.TAG 2422609.3/BOU
.DELDT 09/17/24
.FormatterVersion 2.0.0
.EMAIL luke.finn@usda.gov,rosenqdc@co.larimer.co.us