Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
863
FNUS75 KBOU 282325
FWSBOU
Spot Forecast for 821...USFS
National Weather Service Denver/Boulder CO
525 PM MDT Sat Sep 28 2024
If conditions become unrepresentative...contact the National Weather
Service.
No hazardous weather expected. Relative humidities will continue near 19-22
percent this evening then recovering to 70 percent overnight tonight.
Southeast winds will shift north a few hours before midnight.
Then becoming variable through Sunday morning. Wind speeds remain between
6-9 mph through tonight. Similar wind speeds will occur Sunday morning
through Sunday afternoon. Sunday afternoon, relative humidities drop once again
between 19-22 percent. Winds shift westerly by Sunday afternoon through Sunday night
continuing between 6-10 mph.
.TONIGHT...
Sky/weather.........Mostly clear (15-25 percent).
CWR.................3 percent.
LAL.................1.
Min temperature.....Around 40.
Max humidity........70 percent.
Wind (20 ft)........Southeast winds 5 to 8 mph until 2400, then
north around 6 mph until
0300, then variable up to 5 mph.
Mixing height.......4300 ft AGL until 1900. Below 1000 FT AGL after
2000.
Transport winds.....South 8 to 11 mph until 2400. West 8 to 10 mph
after 0400.
Smoke dispersal.....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 (%).........32 41 12 12 6 5 6 3 3 2 3 4
Weather cov.....
Weather type....
Tstm cov........
CWR.............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............66 61 56 53 51 48 47 46 46 44 43 42
RH..............26 32 40 49 53 57 57 59 57 64 67 66
20 FT wind dir..SE SE SE SE E E E E N N NW NE
20 FT wind spd..8 7 7 6 5 5 6 7 6 3 2 3
20 FT wind gust.13 12 12 9 7 7 9 12 9 6 3 6
Mix hgt (kft)...4.3 1.1 0.9 0.9 0.9 0.9 0.9 0.9 0.8 0.9 0.9 0.9
Transp wind dir.SE SE S S S S S S SW W W W
Transp wind spd.8 8 8 8 8 8 9 8 7 7 7 7
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
Vrate kt-ft/1K..30 8 6 6 6 6 7 6 5 5 6 6
SmokeDispersion.P P P P P P P P P P P P
.SUNDAY...
Sky/weather.........Mostly sunny (10-20 percent) until 1400, then
partly cloudy (35-45 percent)
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 71.
Min humidity........19 percent.
Wind (20 ft)........Variable up to 5 mph until 1100, then west
around 5 mph until 1200, then 5 to 8 mph until
1400, then west 5 to 8 mph.
Mixing height.......Below 1000 FT AGL until 1000. 8800 ft AGL after
1200.
Transport winds.....Northwest 8 to 11 mph until 0900, then light
until 1000, then northwest around 8 mph until
1100, then 8 to 10 mph until 1300, then west
until 1500, then light until 1600, then
northwest around 9 mph until 1700, then
northeast around 8 mph.
Smoke dispersal.....Poor until 1200, then fair until 1600, then
good until 1700, then fair.
Haines Index........6 or high potential for large plume dominated
fire growth.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........3 4 2 3 3 4 15 24 39 58 54 46
Weather cov.....
Weather type....
Tstm cov........
CWR.............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............41 43 44 50 58 65 68 69 71 69 69 68
RH..............70 67 70 60 42 30 25 23 19 20 20 22
20 FT wind dir..N NW W W SW W W W W W W W
20 FT wind spd..2 2 2 3 3 5 6 6 6 7 6 6
20 FT wind gust.3 3 3 6 6 7 9 9 9 12 9 9
Mix hgt (kft)...0.9 0.8 0.9 0.9 2.9 6.3 9.1 9.5 9.9 9.6 7.8 7.1
Transp wind dir.W NW NW NW NW NW NW W W W NW NE
Transp wind spd.8 8 8 7 8 7 7 7 7 7 9 8
Haines index....6 6 6 6 6 6 6 6 6 6 6 6
Vrate kt-ft/1K..6 6 6 6 20 38 54 57 59 58 62 49
SmokeDispersion.P P P P P P F F F F G F
.SUNDAY NIGHT...
Sky/weather.........Mostly cloudy (50-60 percent) until 1900, then
mostly clear (20-30 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 40.
Max humidity........64 percent.
Wind (20 ft)........West winds 5 to 8 mph until 0400, then 5 to 7
mph.
Mixing height.......3300 ft AGL until 1900. Below 1000 FT AGL after
2000.
Transport winds.....Light winds until 2300, then west 8 to 11 mph
until 0300, then northwest 8 to 12 mph.
Smoke dispersal.....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 (%).........54 43 32 21 17 13 9 7 6 4 4 5
Weather cov.....
Weather type....
Tstm cov........
CWR.............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............64 60 56 53 50 48 48 47 45 44 43 41
RH..............27 32 39 43 48 49 50 52 54 57 61 64
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..5 5 5 6 6 6 6 6 6 7 6 5
20 FT wind gust.14 13 12 12 12 13 13 13 12 10 9 8
Mix hgt (kft)...3.3 1.1 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9
Transp wind dir.W NW S NW SW W W W NW NW NW NW
Transp wind spd.7 5 6 6 7 8 8 8 9 9 9 10
Haines index....5 5 5 5 5 5 5 5 5 5 5 5
Vrate kt-ft/1K..20 4 4 5 5 6 6 7 7 7 7 8
SmokeDispersion.P P P P P P P P P P P P
$$
Forecaster...AD
Requested by...Pueblo Interagency Dispatch
Type of request...WILDFIRE
.TAG 2423197.0/BOU
.DELDT 09/28/24
.FormatterVersion 2.0.0
.EMAIL copbc@firenet.gov