Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
997
FNUS75 KBOU 041102
FWSBOU
Spot Forecast for Forsythe II - Unit 44...USFS
National Weather Service Denver/Boulder CO
502 AM MDT Tue Jun 4 2024
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...West winds will dominate today, with gusts
occasionally reaching 30-35 mph. It will also be dry, with
minimum humidity dropping to around 20-22%, despite slightly
cooler temperatures.
It will be warmer and drier on Wednesday, but winds will be
lighter than those observed today. Thursday will also be very warm
and dry with no precipitation, but light winds.
.REST OF TODAY...
Sky/weather.........Mostly cloudy (55-65 percent) until 1600, then
partly cloudy (45-55 percent).
CWR.................1 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 72.
Min humidity........21 percent.
Wind (20 ft)........West winds 16 to 24 mph with gusts 30-35
mph.
Mixing height.......5800 ft AGL.
Transport winds.....West 26 to 32 mph.
Smoke dispersal.....Good until 1000, then very good until 1400,
then excellent until 1600, then very good.
Haines Index........3 or very low potential for large plume
dominated fire growth.
TIME (MDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........81 77 65 64 64 61 59 59 51 50
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1 1 1
Temp............53 56 60 63 65 68 70 71 72 72
RH..............54 47 41 36 32 27 24 23 22 22
20 FT wind dir..W W W W W W W W W W
20 FT wind spd..20 20 20 22 23 22 21 22 21 21
20 FT wind gust.31 31 31 35 35 35 33 35 33 33
Mix hgt (kft)...3.1 3.5 4.2 4.3 4.8 5.2 5.6 6.0 5.8 5.5
Transp wind dir.W W W W W W W W W W
Transp wind spd.26 29 30 31 32 32 31 30 29 28
Haines index....3 3 3 3 3 3 3 3 3 3
Vrate kt-ft/1K..72 88 109 115 133 145 150 155 145 132
SmokeDispersion.G G VG VG VG VG E E VG VG
.TONIGHT...
Sky/weather.........Mostly cloudy (50-60 percent) until 2000, then
mostly clear (15-25 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 49.
Max humidity........53 percent.
Wind (20 ft)........West winds 10 to 18 mph. Gusts up to 30 mph
early in the evening then 21 mph overnight.
Mixing height.......4900 ft AGL until 1900. Below 1000 FT AGL after
2100.
Transport winds.....West 23 to 28 mph until 2000, then 15 to 23
mph.
Smoke dispersal.....Very good until 1900, then good until 2000,
then poor.
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 (%).........59 55 38 29 21 16 10 9 8 6 5 4
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
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............70 67 63 60 57 56 55 55 54 50 51 50
RH..............26 29 35 39 42 43 45 45 46 53 50 52
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..18 16 14 12 10 10 12 12 13 13 13 14
20 FT wind gust.30 25 22 18 16 16 18 18 21 21 21 21
Mix hgt (kft)...4.9 3.4 1.2 0.9 0.9 0.9 0.8 0.8 0.8 0.8 0.8 0.8
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.28 23 17 16 15 16 17 20 22 22 23 22
Haines index....3 3 3 3 3 3 3 3 3 3 3 3
Vrate kt-ft/1K..118 68 19 13 12 12 12 13 16 15 16 15
SmokeDispersion.VG G P P P P P P P P P P
.WEDNESDAY...
Sky/weather.........Mostly sunny (0-10 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 79.
Min humidity........15 percent.
Wind (20 ft)........West winds 5 to 13 mph.
Mixing height.......Below 1000 FT AGL until 0700. 7100 ft AGL after
1100.
Transport winds.....West 21 to 26 mph.
Smoke dispersal.....Poor until 0800, then fair until 1000, then
good until 1200, 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 (%).........6 7 7 8 8 8 8 8 7 7 7 6
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
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............49 52 56 60 65 68 72 76 77 78 78 77
RH..............53 49 42 36 30 27 22 18 16 15 15 16
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..7 7 8 7 7 7 7 7 7 7 7 7
20 FT wind gust.12 12 13 12 12 12 12 12 12 12 12 12
Mix hgt (kft)...0.7 1.5 2.2 3.1 4.2 5.3 6.2 6.7 7.0 7.0 7.2 7.0
Transp wind dir.W W W W W NW NW NW W W W W
Transp wind spd.22 22 22 22 22 22 22 23 24 24 23 22
Haines index....4 4 4 4 4 4 4 4 4 4 4 4
Vrate kt-ft/1K..14 28 42 58 79 99 117 133 144 148 146 135
SmokeDispersion.P P F F G G VG VG VG VG VG VG
.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
Mostly clear. Lows in the lower 50s. Highs in the lower 80s.
Variable winds less than 10 mph.
.FRIDAY...
Partly cloudy with chance of showers and thunderstorms. Lows in
the mid 50s. Highs in the mid 80s. Variable winds less than
10 mph.
.SATURDAY...
Mostly cloudy with showers likely and chance of thunderstorms.
Lows in the lower 50s. Highs in the upper 70s. Variable winds
less than 10 mph.
$$
Forecaster...Barjenbruch
Requested by...Ed LeBlanc
Type of request...PRESCRIBED
.TAG 2414199.15/BOU
.DELDT 06/04/24
.FormatterVersion 2.0.0
.EMAIL Edward.leblanc@usda.gov