Spot Forecast
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
055
FNUS75 KBOU 192124
FWSBOU
Spot Forecast for 256 Fire...Jeffcom
National Weather Service Denver/Boulder CO
324 PM MDT Fri Jul 19 2024
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...Mostly cloudy with a chance of showers and thunderstorms.
North winds 6 to 12 mph. Gusty And erractic winds near thunderstorms.
Minimum humidity around 25 percent.
Tonight, mostly cloudy with a chance of showers and thunderstorms until
2400, then partly cloudy. North winds 6 to 12 mph 2200, then west 5 to
8 mph. Gusty and erractic winds near thunderstorms. Maximum humidity
overnight around 60 percent.
.REST OF TODAY...
Sky/weather.........Mostly cloudy (65-75 percent). Chance of showers and
thunderstorms.
CWR.................27 percent.
LAL.................5 until 1700, then 4.
Max temperature.....Around 83.
Min humidity........26 percent.
Wind (20 ft)........North winds 6 to 11 mph. Gusty and erratic
winds expected near thunderstorms.
Mixing height.......6800 ft AGL until 1700, then 4300 ft AGL.
Transport winds.....North 11 to 16 mph.
Smoke dispersal.....Good until 1600. Fair after 1700.
Haines Index........4 or low potential for large plume dominated
fire growth.
TIME (MDT) 3PM 4PM 5PM
Sky (%).........72 73 65
Weather cov.....CHC CHC CHC
Weather type....RW RW RW
Tstm cov........CHC CHC CHC
CWR.............30 30 30
LAL.............5 5 4
Temp............78 77 75
RH..............30 31 34
20 FT wind dir..N N N
20 FT wind spd..9 9 8
20 FT wind gust.15 15 13
Mix hgt (kft)...6.8 5.8 4.3
Transp wind dir.N N N
Transp wind spd.14 14 13
Haines index....4 4 4
Vrate kt-ft/1K..82 69 47
SmokeDispersion.G G F
.TONIGHT...
Sky/weather.........Mostly cloudy (55-65 percent) until 2300, then
partly cloudy (30-40 percent). Chance of
showers and thunderstorms until 2400.
CWR.................7 percent.
LAL.................4 until 2000, then 3 until 2200, then 4 until
2300, then 3 until 2400, then 1.
Min temperature.....Around 58.
Max humidity........61 percent.
Wind (20 ft)........North winds 5 to 13 mph until 2000, then west 5
to 8 mph. Gusty and erratic winds expected near
thunderstorms until 2400.
Mixing height.......2900 ft AGL until 2000, then Below 1000 FT AGL.
Transport winds.....North 8 to 12 mph until 2000, then west 8 to 11
mph until 2400, then 8 to 10 mph until 0200,
then light until 0300, then west 8 to 11 mph.
Smoke dispersal.....Poor.
Haines Index........3 or very low potential for large plume
dominated fire growth.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........60 58 59 57 55 40 24 22 20 29 38 47
Weather cov.....CHC CHC SCH SCH CHC SCH
Weather type....RW RW RW RW RW RW
Tstm cov........CHC CHC SCH SCH CHC SCH
CWR.............10 10 10 10 10 10 0 0 0 0 0 0
LAL.............4 4 3 3 4 3 1 1 1 1 1 1
Temp............72 70 67 66 65 64 63 63 61 61 61 60
RH..............39 42 48 48 52 52 56 57 57 58 56 61
20 FT wind dir..N N NW W W W W W W W W NW
20 FT wind spd..8 7 6 7 7 7 6 6 6 5 5 5
20 FT wind gust.13 12 9 12 12 12 9 9 9 7 7 7
Mix hgt (kft)...3.8 2.9 0.5 0.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Transp wind dir.N N W W W NW W W W W W NW
Transp wind spd.10 9 9 9 8 8 7 7 7 8 9 9
Haines index....3 3 3 3 3 3 3 3 3 3 3 3
Vrate kt-ft/1K..34 23 4 2 0 0 1 0 0 1 1 1
SmokeDispersion.P P P P P P P P P P P P
.SATURDAY...
Sky/weather.........Mostly cloudy (60-70 percent). Slight chance of
rain showers and thunderstorms until 1200, then
rain showers likely and chance of
thunderstorms.
CWR.................5 percent increasing to 25 percent in the
afternoon.
LAL.................1 until 0900, then 3 until 1200, then 4.
Max temperature.....Around 74.
Min humidity........43 percent.
Wind (20 ft)........Northwest winds 5 to 7 mph until 0800.
Northeast 5 to 12 mph after 0900. Gusty and
erratic winds expected near thunderstorms after
0900 until 1200. Gusty and erratic winds
expected near thunderstorms after 1200.
Mixing height.......Below 1000 FT AGL until 0800. 6300 ft AGL after
1100.
Transport winds.....Northwest 8 to 12 mph until 0800, then north 8
to 13 mph.
Smoke dispersal.....Poor until 1100, then fair until 1200, then
good until 1500, then fair until 1600, then
good.
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 (%).........56 56 56 56 56 56 71 71 71 73 73 73
Weather cov..... SCH SCH SCH CHC CHC CHC LKY LKY LKY
Weather type.... RW RW RW RW RW RW RW RW RW
Tstm cov........ SCH SCH SCH CHC CHC CHC CHC CHC CHC
CWR.............0 0 0 10 10 10 20 20 20 30 30 30
LAL.............1 1 1 3 3 3 4 4 4 4 4 4
Temp............59 60 62 65 68 69 71 71 71 72 70 70
RH..............60 59 58 55 51 49 48 46 46 43 45 44
20 FT wind dir..NW NW N NE NE NE NE NE NE NE NE N
20 FT wind spd..5 5 5 6 7 8 8 8 7 7 7 7
20 FT wind gust.7 7 7 9 12 13 13 13 12 12 12 12
Mix hgt (kft)...0.1 0.1 1.2 2.0 3.1 5.0 6.1 6.2 6.0 5.4 6.1 6.3
Transp wind dir.NW N N N N N N N NE N N N
Transp wind spd.9 9 9 8 8 13 13 13 13 12 12 12
Haines index....3 3 3 3 3 3 3 3 3 3 3 3
Vrate kt-ft/1K..0 1 10 14 21 55 67 68 66 54 61 63
SmokeDispersion.P P P P P F G G G F G G
$$
Forecaster...RPK
Requested by...Jeffcom
Type of request...WILDFIRE
.TAG 2418462.0/BOU
.DELDT 07/19/24
.FormatterVersion 2.0.0
.EMAIL klarissa.felix@jeffcom911.org