Spot Forecast
Issued by NWS Duluth, MN

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264
FNUS73 KDLH 171042
FWSDLH

Spot Forecast for NBWA Unit 43...WI DNR
National Weather Service Duluth MN
542 AM CDT Tue Sep 17 2024

Forecast is based on ignition time of 1000 CDT on September 17.
If there are questions or concerns with this forecast, or if
conditions become unrepresentative, contact the National
Weather Service in Duluth at 218-729-0653.

.DISCUSSION...

.REST OF TODAY...

There is a slight chance for a shower or thunderstorm this
afternoon. Minimum humidity values will drop to around 50 percent
and southerly winds will occur. As mixing deepens late morning into
the afternoon gusts to around 20 mph will develop. There is a
small chance, 10%, that the humidity could drop to 40-45% due to
deeper mixing. Temperatures will remain well above normal today
and Wednesday. The humidity will be 40 to 45% Wednesday with
southerly winds continuing.

Sky/weather.........Mostly sunny (35-45 percent). Slight chance of
                    showers in the afternoon. Slight chance of
                    thunderstorms late in the afternoon.
Chance of pcpn......20 percent.
LAL.................1.
Max temperature.....Around 85.
Min humidity........50 percent.
Wind (20 ft)........South winds 7 to 10 mph. Gusts up to 21 mph
                    developing late morning and afternoon. Gusty and
                    erratic winds expected near thunderstorms late in the
                    afternoon.
Mixing height.......2500 ft AGL increasing to 5900 ft AGL in the
                    afternoon.
Transport winds.....South 14 to 21 mph.
Smoke dispersal.....Fair (18000 knot-ft) increasing to excellent
                    (70100-106300 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......PC  PC  PC  PC  PC  PC  PC  PC
Weather cov.....        SCH SCH SCH SCH SCH
Weather type....        RW  RW  RW  RW  RW
Tstm cov........                        SCH
Chc of pcpn (%).10  10  20  20  20  20  20  10
LAL.............1   1   1   1   1   1   1   1
Temp............75  78  81  82  83  84  85  83
RH..............71  64  58  55  53  51  51  51
20 FT wind dir..S   S   S   S   S   S   S   S
20 FT wind spd..7   8   9   10  10  10  10  8
20 FT wind gust.16  18  18  19  19  19  19  18
Mix hgt (kft)...1.5 2.5 4.1 5.1 5.7 5.8 5.9 4.5
Transp wind dir.S   S   S   S   S   S   S   S
Transp wind spd.14  17  20  21  21  21  21  18
Haines index....3   3   3   3   3   3   3   3
SDspl kt-ft/100018  38  70  92  103 104 106 73

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
Chance of pcpn......10 percent.
LAL.................1.
Min temperature.....Around 61.
Max humidity........76 percent.
Wind (20 ft)........South winds 6 to 7 mph.
Mixing height.......2200 ft AGL.
Transport winds.....South 10 to 14 mph.
Smoke dispersal.....Fair (27000 knot-ft) decreasing to poor (4500
                    knot-ft).
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......PC  PC  PC  MCR MCR MCR MCR MCR MCR PC  PC  PC
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  10  10  10  0   10  10  10  10  10  10  10
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............82  79  74  71  71  70  68  67  66  65  63  63
RH..............52  56  63  66  75  74  74  75  76  76  74  75
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..7   6   5   5   5   5   5   5   5   5   5   5
20 FT wind gust.16  15  14  14  14  14  14  14  14  14  14  13
Mix hgt (kft)...2.2 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.14  12  10  12  13  13  13  13  12  12  12  12
Haines index....3   4   4   4   4   4   4   4   4   4   4   4
SDspl kt-ft/100027  6   5   5   5   5   5   5   5   5   5   5

.WEDNESDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Chance of pcpn......10 percent.
LAL.................1.
Max temperature.....Around 85.
Min humidity........43 percent.
Wind (20 ft)........South winds 6 to 10 mph.
Mixing height.......2000 ft AGL increasing to 4000 ft AGL in the
                    afternoon.
Transport winds.....South 12 to 21 mph increasing to 17 to 22 mph
                    late in the afternoon.
Smoke dispersal.....Poor to fair (4700-21700 knot-ft) increasing to
                    good to excellent (45900-72800 knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......PC  PC  PC  PC  PC  PC  PC  PC  PC  PC  PC  PC
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  10  10  10  0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............63  62  64  68  73  76  79  82  84  84  84  83
RH..............73  73  70  62  55  49  47  46  44  43  43  46
20 FT wind dir..S   SE  SE  S   S   S   S   S   S   S   S   S
20 FT wind spd..5   5   6   7   8   8   9   9   10  10  9   8
20 FT wind gust.13  13  14  15  16  16  18  18  18  18  18  16
Mix hgt (kft)...0.5 0.5 0.8 1.2 1.4 2.0 2.7 3.4 3.6 3.8 4.0 3.0
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.12  13  14  15  17  20  21  21  22  22  21  17
Haines index....4   4   4   4   4   4   4   4   4   4   4   4
SDspl kt-ft/10005   6   9   15  22  34  48  61  67  72  73  46

$$
Forecaster...Dean M
Requested by...Kirby Dernovsek
Type of request...PRESCRIBED
.TAG 2422587.0/DLH
.DELDT 09/17/24
.FormatterVersion 2.0.0
.EMAIL kirby.dernovsek@wisconsin.gov