Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
269
FNUS75 KBOU 241225
FWSBOU
Spot Forecast for Forsythe II - Unit 44...USFS
National Weather Service Denver/Boulder CO
625 AM MDT Fri May 24 2024
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...Humidity levels are a bit higher today as a new
airmass is in place behind a cold front that moved through last
evening. There will be slight chance of late day showers and
thunderstorms. There will be a few hours of very good to
excellent smoke dispersal this afternoon.
.TODAY...
Sky/weather.........Mostly sunny (10-20 percent) until 1200, then
partly cloudy (35-45 percent) until 1500, then
mostly cloudy (55-65 percent). Slight chance of
rain showers and thunderstorms after 1500.
CWR.................5 percent.
Chance of pcpn......20 percent.
LAL.................1 until 1500, then 2.
Max temperature.....Around 60.
Min humidity........20-25 percent.
Wind (20 ft)........West to southwest winds 7 to 16 with gusts to 25 mph.
Erratic winds expected near thunderstorms
after 1500.
Mixing height.......Below 1000 FT AGL until 0700. 9000 ft AGL after
1200.
Transport winds.....West 15 to 22 mph until 1200, then 22 to 27
mph.
Smoke dispersal.....Poor until 0900, then fair until 1000, then
good until 1100, then very good until 1200,
then excellent.
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 (%).........20 20 11 11 11 16 27 37 48 65 62 59
Weather cov..... SCH SCH SCH
Weather type.... RW RW RW
Tstm cov........ SCH SCH SCH
CWR.............0 0 0 0 0 0 0 0 0 0 0 10
Chc of pcpn (%).0 0 0 0 10 10 10 10 10 10 10 20
LAL.............1 1 1 1 1 1 1 1 1 2 2 2
Temp............32 34 38 45 48 50 52 55 57 57 58 57
RH..............51 49 42 33 30 28 27 24 22 22 23 25
20 FT wind dir..W W W W SW SW SW SW W W SW SW
20 FT wind spd..9 9 9 7 6 3 6 5 6 7 7 6
20 FT wind gust.16 16 15 12 9 6 9 7 9 12 12 9
Mix hgt (kft)...0.8 1.0 2.0 3.0 4.3 5.7 7.1 7.9 8.7 9.4 9.1 8.0
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.16 15 18 20 20 22 25 26 25 24 23 24
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
Vrate kt-ft/1K..11 13 32 51 73 108 156 181 192 198 181 169
SmokeDispersion.P P P F G VG E E E E E E
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80 percent) until 0300, then
partly cloudy (30-40 percent). Slight chance of
thunderstorms until 2100. Slight chance of rain
showers until 2400.
CWR.................5 percent.
Chance of pcpn......20 percent.
LAL.................3 until 2100, then 1.
Min temperature.....Around 40.
Max humidity........62 percent.
Wind (20 ft)........West winds 6 to 12 mph. Gusty and erratic winds
expected near thunderstorms until 2100.
Mixing height.......6700 ft AGL until 1900, then 3900 ft AGL until
2000, then 1200 ft AGL until 2100, then Below
1000 FT AGL until 2300, then 1000 ft AGL until
2400, then Below 1000 FT AGL.
Transport winds.....West 18 to 23 mph until 2000, then southwest 8
to 13 mph until 0100, then 9 to 14 mph until
0400, then west 14 to 19 mph.
Smoke dispersal.....Very good until 1900, then good until 2000,
then poor.
Haines Index........5 or moderate potential for large plume
dominated fire growth.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........59 63 71 74 73 83 88 75 57 41 32 29
Weather cov.....SCH SCH SCH SCH SCH SCH
Weather type....RW RW RW RW RW RW
Tstm cov........SCH SCH SCH
CWR.............10 10 10 10 10 10 0 0 0 0 0 0
Chc of pcpn (%).20 20 20 20 20 20 10 10 10 10 10 10
LAL.............3 3 3 1 1 1 1 1 1 1 1 1
Temp............55 53 48 45 44 45 45 44 42 42 41 40
RH..............29 32 42 49 49 49 51 53 57 57 59 62
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..12 9 8 7 6 6 6 6 6 7 8 9
20 FT wind gust.18 15 13 12 10 10 10 10 10 12 13 15
Mix hgt (kft)...6.7 3.9 1.2 0.9 0.9 1.0 0.7 0.7 0.7 0.7 0.7 0.7
Transp wind dir.W W W SW SW SW SW S SW SW W W
Transp wind spd.23 18 12 9 9 8 8 10 10 12 16 17
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
Vrate kt-ft/1K..134 62 12 7 7 7 5 6 6 7 10 11
SmokeDispersion.VG G P P P P P P P P P P
.SATURDAY...
Sky/weather.........Partly cloudy (40-50 percent) until 1100, then
mostly cloudy (60-70 percent). Chance of rain
showers and thunderstorms after 1200.
CWR.................3 percent.
Chance of pcpn......50 percent.
LAL.................1 until 1200, then 4.
Max temperature.....Around 64.
Min humidity........28 percent.
Wind (20 ft)........West winds 9 to 16 mph. Gusts up to 28 mph
early in the morning. Gusty and erratic winds
expected near thunderstorms after 1200.
Mixing height.......Below 1000 FT AGL until 0700, then 3600 ft AGL
until 0900, then 7200 ft AGL until 1200, then
10200 ft AGL until 1700, then 6800 ft AGL.
Transport winds.....West 21 to 29 mph until 0900, then 23 to 32
mph.
Smoke dispersal.....Poor until 0700, then fair until 0800, then
good until 0900, then very good until 1000,
then excellent.
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 (%).........40 40 37 36 49 57 69 71 71 72 75 75
Weather cov..... CHC CHC CHC CHC CHC CHC
Weather type.... RW RW RW RW RW RW
Tstm cov........ CHC CHC CHC CHC CHC CHC
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Chc of pcpn (%).10 10 10 10 10 10 50 50 50 50 50 50
LAL.............1 1 1 1 1 1 4 4 4 4 4 4
Temp............42 44 49 52 55 58 61 62 63 63 62 60
RH..............57 53 44 39 35 33 29 28 29 29 30 33
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..9 10 12 13 13 14 15 15 15 16 16 16
20 FT wind gust.16 17 20 21 22 23 24 25 25 26 28 28
Mix hgt (kft)...0.8 2.3 3.8 5.4 6.6 7.9 9.2 9.7 10 11 8.8 6.8
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.21 24 29 32 31 29 28 26 24 23 25 26
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
Vrate kt-ft/1K..15 50 95 150 177 201 221 220 217 214 190 160
SmokeDispersion.P F G VG E E E E E E E E
$$
Forecaster...RJK
Requested by...Luke Finn
Type of request...PRESCRIBED
.TAG 2414199.7/BOU
.DELDT 05/24/24
.FormatterVersion 2.0.0
.EMAIL luke.finn@usda.gov