Spot Forecast
Issued by NWS Denver/Boulder, CO

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FNUS75 KBOU 250104
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Spot Forecast for Shooting Range RX...USFS
National Weather Service Denver/Boulder CO
704 PM MDT Wed Apr 24 2024

If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Quiet conditions are expected tonight, with light
and variable winds anticipated (likely out of the east/southeast.
Scattered showers and an isolated thunderstorm or two will develop
shortly after noon on Thursday, with gusty outflow winds possible
at times. Rain showers may mix with, then eventually change over
to snow showers Thursday night, with snow accumulations of a half
inch or inch possible. Rain and snow showers are forecast again on
Friday, with cooler temperatures. Additional snow accumulation is
possible Friday night into Saturday. Smoke dispersal will be good
to very good Thursday and fair to good on Friday.

.REST OF TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
CWR.................1 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 34.
Max humidity........45 percent.
Wind (20 ft)........Southwest winds around 7 mph until 2000, then
variable up to 5 mph.
Mixing height.......1400 ft AGL until 2000, then Below 1000 FT AGL.
Transport winds.....Southwest 8 to 12 mph.
Smoke dispersal.....Poor.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (MDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........42  41  40  39  39  29  22  23  22  19  18
Weather cov.....
Weather type....
Tstm cov........
CWR.............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
LAL.............1   1   1   1   1   1   1   1   1   1   1
Temp............55  50  46  42  41  39  38  38  37  36  35
RH..............25  30  35  41  41  44  44  44  44  43  45
20 FT wind dir..W   SW  S   SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..7   5   3   3   3   5   3   5   5   5   5
20 FT wind gust.12  7   6   6   7   7   7   7   7   9   7
Mix hgt (kft)...1.4 0.7 0.6 0.6 0.7 0.6 0.6 0.6 0.6 0.6 0.6
Transp wind dir.W   SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.10  8   8   8   9   9   8   9   9   10  9
Haines index....4   4   4   4   4   4   4   4   4   4   4
Vrate kt-ft/1K..12  5   4   4   5   5   4   5   5   5   5
SmokeDispersion.P   P   P   P   P   P   P   P   P   P   P

.THURSDAY...

Sky/weather.........Partly cloudy until 1200, then mostly cloudy
(80-90 percent). Rain showers likely and
slight chance of thunderstorms after 1200.
CWR.................1 percent increasing to 25 percent in the
                    afternoon.
Chance of pcpn......60 percent.
LAL.................1 until 1200, then 2 until 1500, then 3.
Max temperature.....Around 60.
Min humidity........21 percent.
Wind (20 ft)........South winds 5 to 7 mph until 1100. West 7 to 12
                    mph after 1500. Gusty and erratic winds
                    expected near thunderstorms after 1200.
Mixing height.......Below 1000 FT AGL until 0800, then 2100 ft AGL
                    until 0900, then 6500 ft AGL until 1100, then
                    10700 ft AGL until 1400, then 6500 ft AGL until
                    1700, then 3700 ft AGL.
Transport winds.....Southwest 9 to 14 mph until 1500, then west.
Smoke dispersal.....Poor until 1000, then good until 1200, then
                    very good until 1400, then good until 1500,
                    then fair.
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 (%).........13  14  15  17  31  37  73  78  78  86  90  92
Weather cov.....                        LKY LKY LKY LKY LKY LKY
Weather type....                        RW  RW  RW  RW  RW  RW
Tstm cov........                        SCH SCH SCH SCH SCH SCH
CWR.............0   0   0   0   0   0   30  30  30  30  30  30
Chc of pcpn (%).0   0   0   0   0   0   60  60  60  60  60  60
LAL.............1   1   1   1   1   1   2   2   2   3   3   3
Temp............35  36  39  46  53  56  57  57  57  54  52  48
RH..............45  45  42  34  25  21  21  22  24  30  33  39
20 FT wind dir..S   S   S   SW  SW  SW  SW  W   W   W   W   W
20 FT wind spd..5   5   5   5   5   6   5   6   7   9   10  10
20 FT wind gust.7   7   7   9   9   12  12  12  13  15  16  16
Mix hgt (kft)...0.5 0.6 2.1 4.9 7.0 9.2 11  9.5 7.6 5.8 4.8 3.7
Transp wind dir.SW  SW  SW  SW  SW  S   S   SW  W   W   W   W
Transp wind spd.9   9   9   9   10  13  14  13  10  9   12  14
Haines index....5   5   5   5   5   5   5   5   5   5   5   5
Vrate kt-ft/1K..4   5   17  39  66  98  136 101 71  46  48  45
SmokeDispersion.P   P   P   P   G   G   VG  VG  G   F   F   F

.THURSDAY NIGHT...

Sky/weather.........Cloudy (90-100 percent). Chance of rain showers
                    until 2400. Chance of snow showers and slight
                    chance of thunderstorms.
CWR.................28 percent.
Chance of pcpn......50 percent.
LAL.................3 until 2100, then 1.
Min temperature.....Around 31.
Max humidity........91 percent.
Wind (20 ft)........West winds 9 to 15 mph. Gusts up to 24 mph
                    overnight. Gusty and erratic winds expected
                    near thunderstorms until 2100.
Mixing height.......1000 ft AGL until 2400, then Below 1000 FT AGL.
Transport winds.....West 13 to 21 mph until 0500, then northwest
                    around 23 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 (%).........91  93  94  95  95  96  96  96  95  95  93  90
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....RS  RS  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Tstm cov........SCH SCH SCH
CWR.............30  30  30  30  30  30  20  20  20  20  20  20
Chc of pcpn (%).50  50  50  50  50  50  40  40  40  40  40  40
LAL.............3   3   3   1   1   1   1   1   1   1   1   1
Temp............44  42  39  37  37  36  35  34  33  33  32  32
RH..............48  57  67  72  73  76  79  82  84  85  88  86
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..9   10  10  10  10  12  13  14  14  14  14  15
20 FT wind gust.15  16  16  16  16  18  21  22  22  22  22  24
Mix hgt (kft)...2.0 1.7 1.5 1.5 1.3 1.0 0.8 0.8 0.9 0.9 0.9 0.9
Transp wind dir.W   W   NW  W   NW  W   W   W   W   W   W   NW
Transp wind spd.13  15  16  16  17  17  17  17  18  18  21  23
Haines index....3   3   3   3   3   3   3   3   3   3   3   3
Vrate kt-ft/1K..23  22  21  22  19  15  12  13  14  15  16  17
SmokeDispersion.P   P   P   P   P   P   P   P   P   P   P   P

.FRIDAY...

Sky/weather.........Cloudy (85-95 percent). Chance of snow showers
                    until 1200, then rain showers, snow showers and
                    chance of thunderstorms.
CWR.................6 percent increasing to 18 percent in the
                    afternoon.
Chance of pcpn......80 percent.
LAL.................1 until 1200, then 3 until 1500, then 4.
Max temperature.....Around 49.
Min humidity........40 percent.
Wind (20 ft)........West winds 9 to 16 mph. Gusts up to 25 mph in
                    the morning. Gusty and erratic winds expected
                    near thunderstorms after 1200.
Mixing height.......Below 1000 FT AGL until 0700, then 5500 ft AGL.
Transport winds.....West 16 to 25 mph until 1500, then 9 to 14 mph.
Smoke dispersal.....Poor until 0800, then fair until 1000, then
                    good until 1600, then fair until 1700, then
                    poor.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (MDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........84  84  83  83  83  84  93  93  93  93  95  97
Weather cov.....CHC CHC CHC CHC CHC CHC DEF DEF DEF DEF DEF DEF
Weather type....SW  SW  SW  SW  SW  SW  SW  RS  RW  RW  RW  RW
Tstm cov........                        SCH SCH SCH CHC CHC CHC
CWR.............10  10  10  10  10  10  20  20  20  20  20  20
Chc of pcpn (%).30  30  30  30  30  30  80  80  80  80  80  80
LAL.............1   1   1   1   1   1   3   3   3   4   4   4
Temp............31  32  32  34  37  41  44  46  48  48  48  47
RH..............91  90  87  82  72  59  50  45  41  40  40  41
20 FT wind dir..NW  NW  NW  W   W   W   W   W   W   W   W   W
20 FT wind spd..15  15  16  16  15  14  13  12  12  10  10  9
20 FT wind gust.24  24  25  25  24  22  21  18  18  16  16  15
Mix hgt (kft)...0.8 1.5 2.1 2.8 3.5 4.2 4.9 5.3 5.6 6.0 5.2 4.4
Transp wind dir.NW  NW  W   W   W   W   W   W   W   W   W   W
Transp wind spd.25  24  23  22  22  22  22  18  16  13  12  10
Haines index....4   4   4   4   4   4   4   4   4   4   4   4
Vrate kt-ft/1K..19  31  43  53  66  80  94  86  77  66  52  40
SmokeDispersion.P   P   F   F   G   G   G   G   G   G   F   P

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...
Snow showers with possible showers and thunderstorms likely. Lows
around 30. Highs in the upper 40s. South winds around 6 mph.
.SUNDAY...
Snow showers and slight chance of thunderstorms. Lows in the
lower 30s. Highs in the upper 40s. Northwest winds around 11 mph.
.MONDAY...
Mostly cloudy. Slight chance of thunderstorms and snow showers.
Lows in the upper 20s. Highs in the mid 50s. West winds around
12 mph.

$$
Forecaster...Hiris
Requested by...Michael Schultz
Type of request...PRESCRIBED
.TAG 2410929.5/BOU
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL michael.schultz@usda.gov
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