Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
255
FNUS75 KBOU 221149
FWSBOU
Spot Forecast for Forsythe II - Unit 44...USFS
National Weather Service Denver/Boulder CO
549 AM MDT Wed May 22 2024
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...Winds are light this morning with temperatures
around freezing. Still can`t rule out a brief burst of wind out of
the west but any gusts at this point would remain under 25 mph.
Today will be warmer and drier with daytime humidity values
falling to around 20%. Light winds will continue this morning and
attempt to turn more to the south, before increasing this
afternoon out of the west. A few gusts to 20 mph will be possible
this afternoon. Generally similar winds are anticipated tonight
with humidity recovery again near 40-50%.
Thursday will be mild and dry with an outside chance of a weak
shower or thunderstorm. Wetting rain is unlikely with any storm
and the main threat would be briefly variable/gusty winds. Winds
in general on Thursday are expected to strengthen through the day,
with wind gusts consistently exceeding 30 mph during the
afternoon hours.
.TODAY...
Sky/weather.........Mostly sunny (10-20 percent) until 1400, then
partly cloudy.
CWR.................2 percent.
Chance of pcpn......10 percent.
LAL.................1.
Max temperature.....Around 62.
Min humidity........21 percent.
Wind (20 ft)........West winds 5 to 10 mph until 0900, then
south 6 to 13 mph until 1500, then west
around 12 mph with gusts to around 20 mph.
Mixing height.......Below 1000 FT AGL until 0800. 10300 ft AGL
after 1200.
Transport winds.....West 10 to 17 mph until 1300, then 20 to 25
mph.
Smoke dispersal.....Poor until 1000, then fair until 1100, then
good until 1200, then very good until 1300,
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 (%).........4 4 6 7 8 9 12 23 31 34 37 34
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 10 10 10 10 10 10
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............32 34 39 43 49 52 56 58 59 61 59 59
RH..............54 49 40 35 28 27 24 23 23 21 24 24
20 FT wind dir..W W W SW S S S S SW SW W W
20 FT wind spd..6 7 6 6 7 7 8 8 9 9 12 12
20 FT wind gust.10 11 12 10 12 12 14 14 16 16 18 20
Mix hgt (kft)...0.7 0.9 1.4 3.3 4.6 6.5 8.2 9.7 10 11 10 9.3
Transp wind dir.W W W W W SW W W W W W W
Transp wind spd.12 12 10 13 13 15 17 20 22 23 23 24
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
Vrate kt-ft/1K..7 9 13 36 51 84 122 166 195 214 199 195
SmokeDispersion.P P P P F G VG E E E E E
.TONIGHT...
Sky/weather.........Mostly clear (15-25 percent).
CWR.................1 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 39.
Max humidity........44 percent.
Wind (20 ft)........Southwest winds 8 to 13 mph. Gusts up to 21 mph.
Mixing height.......8200 ft AGL until 1900. Below 1000 FT AGL after
2000.
Transport winds.....West 15 to 24 mph until 2000, then southwest 8
to 15 mph until 0300, then west 17 to 22 mph.
Smoke dispersal.....Excellent 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 (%).........29 26 24 18 14 12 11 11 10 12 10 8
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............58 55 50 47 45 43 43 42 42 42 41 41
RH..............24 29 36 42 44 44 42 44 42 42 42 40
20 FT wind dir..W W W SW SW SW SW SW W W W SW
20 FT wind spd..13 12 9 8 8 8 9 9 9 10 12 12
20 FT wind gust.21 18 16 14 14 14 15 16 16 17 18 20
Mix hgt (kft)...8.2 4.8 0.9 0.8 0.7 0.7 0.7 0.8 0.8 0.8 0.8 0.8
Transp wind dir.W W SW SW S SW W SW W W W W
Transp wind spd.24 15 9 8 10 12 13 15 15 18 20 21
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
Vrate kt-ft/1K..171 63 5 5 7 7 8 10 10 13 14 15
SmokeDispersion.E G P P P P P P P P P P
.THURSDAY...
Sky/weather.........Mostly sunny (10-20 percent) until 1600, then
partly cloudy (30-40 percent). Slight chance
of thunderstorms after 1200.
CWR.................4 percent.
Chance of pcpn......10 percent.
LAL.................1.
Max temperature.....Around 65.
Min humidity........23 percent.
Wind (20 ft)........Southwest winds 9 to 17 mph until 1400, then
west 15-20 mph. Gusts up to 35 mph. Gusty
and erratic winds expected near thunderstorms
after 1200.
Mixing height.......Below 1000 FT AGL until 0700, then 1300 ft AGL
until 0800, then 6100 ft AGL until 1000, then
9300 ft AGL until 1700, then 6200 ft AGL.
Transport winds.....West 18 to 24 mph until 0900, then 29 to 34
mph.
Smoke dispersal.....Poor until 0800, then good until 0900, 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 (%).........7 7 6 6 11 16 21 21 22 22 32 41
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 (%).0 0 0 0 0 0 10 10 10 10 10 10
LAL.............1 1 1 1 1 1 2 2 2 2 2 2
Temp............40 43 48 51 56 59 60 62 64 63 62 59
RH..............43 41 36 33 28 26 24 23 23 23 25 28
20 FT wind dir..SW SW SW SW SW SW SW SW W W W W
20 FT wind spd..12 12 10 9 10 13 15 16 17 18 18 19
20 FT wind gust.21 21 21 22 24 25 28 29 29 31 33 35
Mix hgt (kft)...0.8 1.3 4.6 6.5 7.7 9.0 10 10 9.7 9.4 7.8 6.2
Transp wind dir.W W W W W W W W W W W W
Transp wind spd.18 18 24 30 30 30 30 31 31 32 32 32
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
Vrate kt-ft/1K..13 21 96 168 199 234 268 267 266 264 219 174
SmokeDispersion.P P G E E E E E E E E E
$$
Forecaster...Hiris
Requested by...Luke Finn
Type of request...PRESCRIBED
.TAG 2414199.5/BOU
.DELDT 05/22/24
.FormatterVersion 2.0.0
.EMAIL luke.finn@usda.gov