Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
655
FNUS75 KBOU 251208
FWSBOU
Spot Forecast for Forsythe II - Unit 44...USFS
National Weather Service Denver/Boulder CO
608 AM MDT Sat May 25 2024
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION... Showers will develop around noon today with
multiple rounds possible through the afternoon. Thunderstorms are
possible with increasing chances after 1500. Rainfall amounts are
expected to be around .1".
.REST OF TODAY...
Sky/weather.........Partly cloudy (35-45 percent) until 1000, then
mostly cloudy (55-65 percent). Slight chance of
thunderstorms from 1200 until 1500. Chance of
rain showers after 1200. Chance of
thunderstorms after 1500.
CWR.................7 percent.
Chance of pcpn......50 percent.
LAL.................1 until 1200, then 3 until 1500, then 4.
Max temperature.....Around 64.
Min humidity........26 percent.
Wind (20 ft)........West winds 11 to 16 mph. Gusts up to 25 mph in
the late morning and afternoon. Gusty and
erratic winds expected near thunderstorms after
1200 through the afternoon.
Mixing height.......Below 1000 FT AGL until 0800, then 3600 ft AGL
until 1000, then 7200 ft AGL until 1200, then
10600 ft AGL until 1500, then 7500 ft AGL.
Transport winds.....West 15 to 20 mph until 0900, then 28 to 33
mph.
Smoke dispersal.....Poor until 0900, then good until 1000, then
very good until 1100, 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 (%).........37 42 47 58 61 54 62 69 67 65 62
Weather cov..... CHC CHC CHC CHC CHC CHC
Weather type.... RW RW RW RW RW RW
Tstm cov........ SCH SCH SCH CHC CHC CHC
CWR.............0 0 0 0 0 10 0 0 0 0 0
Chc of pcpn (%).10 0 0 0 10 30 40 50 50 50 40
LAL.............1 1 1 1 1 3 3 3 4 4 4
Temp............43 48 54 57 59 61 61 62 59 59 57
RH..............50 41 33 31 25 24 22 23 29 32 34
20 FT wind dir..W W W W W SW W W W W W
20 FT wind spd..12 12 13 13 13 15 15 15 15 15 15
20 FT wind gust.18 18 22 22 22 24 24 24 25 25 25
Mix hgt (kft)...0.9 2.1 4.0 5.6 7.7 9.8 11 9.9 7.8 6.6 6.2
Transp wind dir.W W W W W W W W W W W
Transp wind spd.15 20 28 30 31 32 31 30 30 30 30
Haines index....5 5 5 5 5 5 5 5 5 5 5
Vrate kt-ft/1K..12 36 97 147 208 273 287 256 204 172 162
SmokeDispersion.P P G VG E E E E E E E
.TONIGHT...
Sky/weather.........Mostly cloudy (60-70 percent) until 2400, then
partly cloudy (35-45 percent). Chance of
thunderstorms until 2100. Chance of rain
showers until 2400. Slight chance of
thunderstorms after 2100 until 0300.
CWR.................15 percent.
Chance of pcpn......30 percent.
LAL.................4 until 2100, then 2 until 0300, then 1.
Min temperature.....Around 39.
Max humidity........69 percent.
Wind (20 ft)........West winds 11 to 19 mph with gusts to around 30
mph. Gusty and erratic winds expected near
thunderstorms until 2100Gusty and erratic winds
expected near thunderstorms after 2100 until
0300.
Mixing height.......4900 ft AGL until 1900, then 1500 ft AGL until
2100, then Below 1000 FT AGL until 2200, then
1200 ft AGL until 0300, then Below 1000 FT AGL
until 0500, then 1000 ft AGL.
Transport winds.....West 20 to 29 mph until 2200, then 13 to 18 mph
until 0300, then 23 to 32 mph.
Smoke dispersal.....Very good until 1900, then fair until 2000,
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 (%).........55 62 68 71 73 65 49 45 34 28 27 26
Weather cov.....CHC CHC CHC CHC CHC CHC SCH SCH SCH
Weather type....RW RW RW RW RW RW RW RW RW
Tstm cov........CHC CHC CHC SCH SCH SCH SCH SCH SCH
CWR.............20 20 20 20 20 20 10 10 10 10 10 10
Chc of pcpn (%).30 30 30 30 30 30 10 10 10 10 10 10
LAL.............4 4 4 2 2 2 2 2 2 1 1 1
Temp............53 50 46 44 44 43 42 42 41 40 40 40
RH..............44 51 62 66 66 69 68 65 65 66 65 63
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..18 16 15 13 13 12 12 13 13 14 15 15
20 FT wind gust.30 26 24 22 21 20 20 21 22 23 24 25
Mix hgt (kft)...4.9 2.5 1.5 0.9 1.2 1.2 1.2 1.2 1.2 0.9 0.8 1.0
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.29 26 21 20 16 13 13 15 18 23 32 32
Haines index....4 4 4 4 4 4 4 4 4 4 4 4
Vrate kt-ft/1K..123 59 26 16 17 13 14 15 18 18 24 28
SmokeDispersion.VG F P P P P P P P P P P
.SUNDAY...
Sky/weather.........Partly cloudy (30-40 percent) until 1600, then
mostly sunny (20-30 percent). Slight chance of
rain showers and thunderstorms after 1200.
CWR.................4 percent.
Chance of pcpn......20 percent.
LAL.................1 until 1200, then 3.
Max temperature.....Around 62.
Min humidity........24 percent.
Wind (20 ft)........West winds 13 to 21 mph with gusts to around 38
mph until 1200, then 19 to 27 mph. Gusty and
erratic winds expected near thunderstorms after
1200.
Mixing height.......6400 ft AGL.
Transport winds.....West 33 to 40 mph until 0900. 31 to 36 mph
after 1600.
Smoke dispersal.....Poor until 0700, then fair until 0800, then
good until 0900, then very good until 1300,
then excellent.
Haines Index........3 or very low potential for large plume
dominated fire growth.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........34 28 27 29 31 34 36 38 38 31 25 25
Weather cov..... SCH SCH SCH SCH SCH SCH
Weather type.... RW RW RW RW RW RW
Tstm cov........ SCH SCH SCH 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 20 20 20 20 20 20
LAL.............1 1 1 1 1 1 3 3 3 3 3 3
Temp............39 40 44 47 51 55 57 60 61 62 62 60
RH..............64 62 51 45 39 35 33 29 27 25 24 26
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..14 15 15 16 16 20 23 24 24 23 22 21
20 FT wind gust.30 33 36 38 18 24 28 28 28 25 24 22
Mix hgt (kft)...1.0 1.8 2.6 3.4 3.7 4.1 4.4 5.1 5.8 6.5 6.5 6.5
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.33 37 40 44 41 39 37 37 37 37 35 32
Haines index....3 3 3 3 3 3 3 3 3 3 3 3
Vrate kt-ft/1K..30 59 92 130 135 139 141 163 185 207 194 181
SmokeDispersion.P F G VG VG VG VG E E E E E
$$
Forecaster...Bonner
Requested by...Ed LeBlanc
Type of request...PRESCRIBED
.TAG 2414199.8/BOU
.DELDT 05/25/24
.FormatterVersion 2.0.0
.EMAIL Edward.leblanc@usda.gov