Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
765
FNUS75 KBOU 020908
FWSBOU
Spot Forecast for Forsythe II Rx - Unit 44...USFS
National Weather Service Denver/Boulder CO
308 AM MDT Thu May 2 2024
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...Westerly flow aloft will bring dry and breezy
conditions with west winds gusting to 30 mph. There`s a very small
chance (less than 10%) for a weak shower this afternoon and
evening. On Friday, a cold front will move through during the
afternoon bringing northeast winds and scattered showers.
.REST OF TODAY...
Sky/weather.........Mostly sunny (10-20 percent).
CWR.................3 percent.
Chance of pcpn......10 percent.
LAL.................1.
Max temperature.....Around 52.
Min humidity........24 percent.
Wind (20 ft)........West winds 10 to 20 mph. Gusts up to 30 mph in
the late morning and afternoon.
Mixing height.......Below 1000 FT AGL until 0800. 8500 ft AGL after
1100.
Transport winds.....West 17 to 26 mph until 1200, then 27 to 32
mph.
Smoke dispersal.....Poor until 0900, then good until 1000, then
very good until 1200, then excellent.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
TIME (MDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........7 6 6 9 11 14 13 9 14 18 22
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).0 0 0 0 0 10 10 10 10 10 10
LAL.............1 1 1 1 1 1 1 1 1 1 1
Temp............30 34 38 41 44 46 48 50 51 52 51
RH..............53 45 37 34 32 27 26 25 24 25 26
20 FT wind dir..W W W W W W W W W W W
20 FT wind spd..10 12 13 13 13 14 14 15 15 14 13
20 FT wind gust.16 18 21 21 21 22 22 24 24 22 21
Mix hgt (kft)...0.7 2.1 3.2 4.6 5.6 6.8 7.5 8.5 8.9 8.6 8.0
Transp wind dir.W W W W W W W W W W W
Transp wind spd.17 22 23 25 26 28 29 30 30 30 30
Haines index....5 5 5 5 5 5 5 5 5 5 5
Vrate kt-ft/1K..11 40 65 102 129 162 187 220 231 223 208
SmokeDispersion.P P G VG VG E E E E E E
.TONIGHT...
Sky/weather.........Partly cloudy (30-40 percent).
CWR.................4 percent.
Chance of pcpn......10 percent.
LAL.................1.
Min temperature.....Around 33.
Max humidity........56 percent.
Wind (20 ft)........Southwest winds 8 to 13 mph until 2000, then
decreasing to 3 to 8 mph.
Mixing height.......7100 ft AGL until 1900. Below 1000 FT AGL after
2000.
Transport winds.....West around 25 mph until 1900, then southwest 8
to 13 mph until 2100, then north until 2200,
then southwest.
Smoke dispersal.....Excellent until 1900, then poor.
Haines Index........4 or low potential for large plume dominated
fire growth.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........19 28 37 46 47 48 49 49 50 50 44 39
Weather cov.....SCH SCH SCH
Weather type....SW SW SW
Tstm cov........SCH SCH SCH
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).10 10 10 10 10 10 10 10 10 10 10 10
LAL.............2 2 2 1 1 1 1 1 1 1 1 1
Temp............50 46 42 38 36 35 34 34 34 34 35 34
RH..............27 34 41 48 52 52 54 56 54 53 53 55
20 FT wind dir..SW SW NW SW S S SW SW SW SW SW SW
20 FT wind spd..12 9 2 2 2 2 6 6 6 3 3 8
20 FT wind gust.18 15 3 3 3 3 9 9 9 6 6 13
Mix hgt (kft)...7.1 2.8 0.7 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.W W SW N S S S SW SW SW SW SW
Transp wind spd.25 13 8 8 8 8 8 8 9 8 9 12
Haines index....4 4 4 4 4 4 4 4 4 4 4 4
Vrate kt-ft/1K..157 31 5 5 4 4 4 4 4 4 4 5
SmokeDispersion.E P P P P P P P P P P P
.FRIDAY...
Sky/weather.........Partly cloudy (35-45 percent) until 1200, then
mostly cloudy (55-65 percent). Slight chance of
rain showers until 1200, then chance of rain
showers and slight chance of thunderstorms.
CWR.................12 percent.
Chance of pcpn......30 percent.
LAL.................1 until 1200, then 3.
Max temperature.....Around 56.
Min humidity........30 percent.
Wind (20 ft)........West winds 8 to 16 mph with gusts to around 25
mph until 1400, then northeast 8 to 15 with
gusts to 25 mph. Gusty and erratic winds
expected near thunderstorms after 1200.
Mixing height.......Below 1000 FT AGL until 0800, then 5100 ft AGL
until 1000, then 7600 ft AGL until 1700, then
4200 ft AGL.
Transport winds.....West 15 to 20 mph until 0800, then 28 to 37 mph
until 1500, then 15 to 23 mph.
Smoke dispersal.....Poor until 0800, then good until 0900, then
excellent until 1600, then good until 1700,
then fair.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........43 38 32 27 39 50 62 62 62 62 62 62
Weather cov.....SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC
Weather type....SW SW SW SW RW RW RW RW RW RW RW RW
Tstm cov........ SCH SCH SCH SCH SCH SCH
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
Chc of pcpn (%).20 20 20 20 20 20 30 30 30 30 30 30
LAL.............1 1 1 1 1 1 3 3 3 3 3 3
Temp............34 36 40 45 51 53 54 54 53 52 50 47
RH..............54 49 44 39 32 31 30 31 31 34 37 42
20 FT wind dir..SW SW W W W W W W NE NE NE NE
20 FT wind spd..8 9 10 13 15 16 16 15 14 13 10 10
20 FT wind gust.13 15 16 21 24 25 25 24 22 21 16 16
Mix hgt (kft)...0.6 0.8 3.5 5.7 6.8 7.6 8.4 8.2 7.9 7.7 5.9 4.2
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.15 20 30 36 36 37 37 32 28 23 18 15
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
Vrate kt-ft/1K..7 13 91 176 212 240 270 229 190 154 97 53
SmokeDispersion.P P G E E E E E E E G F
$$
Forecaster...Meier
Requested by...Luke Finn
Type of request...PRESCRIBED
.TAG 2412828.1/BOU
.DELDT 05/02/24
.FormatterVersion 2.0.0
.EMAIL luke.finn@usda.gov