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000
FNUS73 KDLH 211042
FWSDLH

Spot Forecast for Crex Meadows Unit 86...WI DNR
National Weather Service Duluth MN
542 AM CDT Sun Apr 21 2024

Forecast is based on ignition time of 0600 CDT on April 21.
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...

Sunny skies this morning are expected to continue through the day.
Deep mixing will be occurring today, dropping min RH this
afternoon to around 23 percent. Wind direction through today will
be varying between west and west-northwest with speeds of 6 to 13
mph. Expect excellent smoke dispersal today as transport winds
increase to 17-22 mph later this morning and mixing height
increases to around 7,600 feet.

Expect a wind shift to occur this evening around 2200 CDT with
winds becoming southwesterly ahead of an approaching low pressure.
This low pressure is likely (40% chance) to bring rain showers to
the burn site on Monday afternoon. These rain showers will
continue on and off into Tuesday. Total precipitation accumulation
on Monday through Tuesday will be around 0.10 inches.


.TODAY...

Sky/weather.........Sunny (5-15 percent).
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 60.
Min humidity........23 percent.
Wind (20 ft)........West winds 6 to 13 mph.
Mixing height.......2300 ft AGL increasing to 7600 ft AGL.
Transport winds.....West 9 to 16 mph shifting to the northwest 17
                    to 22 mph late in the morning.
Smoke dispersal.....Poor to fair (3100-15200 knot-ft) increasing to
                    excellent (99400-128300 knot-ft).
Haines Index........4 to 5 or low to moderate 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.......CLR CLR CLR MCR MCR MCR MCR MCR MCR MCR MCR CLR
Weather cov.....
Weather type....
Tstm cov........
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............31  33  36  41  47  51  54  56  58  60  60  60
RH..............72  69  64  55  45  39  32  30  27  25  23  23
20 FT wind dir..W   W   W   W   W   W   NW  NW  NW  W   W   W
20 FT wind spd..5   5   6   8   9   10  11  12  12  12  11  10
20 FT wind gust.6   8   12  13  14  15  16  18  19  19  18  16
Mix hgt (kft)...0.4 0.4 0.6 1.3 2.3 5.5 6.6 7.0 7.3 7.5 7.6 7.1
Transp wind dir.W   W   W   W   NW  NW  NW  W   W   NW  NW  NW
Transp wind spd.9   9   10  14  16  21  22  21  20  20  18  17
Haines index....4   5   5   5   5   5   5   5   5   5   5   5
SDspl kt-ft/10003   3   5   15  33  99  126 127 124 128 121 107

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 32.
Max humidity........69 percent.
Wind (20 ft)........West winds 6 to 9 mph shifting to the southwest
                    5 to 6 mph late in the evening.
Mixing height.......6700 ft AGL decreasing to 600 ft AGL.
Transport winds.....West 8 to 16 mph shifting to the southwest 9 to
                    13 mph late in the evening.
Smoke dispersal.....Excellent (93600 knot-ft) decreasing to poor
                    (2800 knot-ft).
Haines Index........5 to 6 or moderate to high potential for large
                    plume dominated fire growth.
Pcpn amount.........0.00 inches.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......CLEAR  CLEAR  CLEAR  CLEAR  MCLEAR PCLDY
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............59     52     44     39     35     34
RH..............24     33     47     57     64     66
20 ft wind......W 9    W 7    SW 5   SW 4   SW 4   S 5
20 ft wind gust.14     11     8      8      8      9
Mix hgt (ft)....6700   600    400    400    400    400
Transport wind..W 16   W 8    SW 9   SW 10  SW 10  SW 12
Haines index....5      6      6      6      5      5
SDspl kt-ft/100094     5      3      3      3      4

.MONDAY...

Sky/weather.........Partly sunny (60-70 percent). Chance of rain
                    showers in the afternoon.
Chance of pcpn......40 percent.
LAL.................1.
Max temperature.....Around 66.
Min humidity........32 percent.
Wind (20 ft)........South winds 6 to 15 mph shifting to the
                    southwest 14 to 16 mph in the afternoon.
Mixing height.......1700 ft AGL increasing to 5300 ft AGL.
Transport winds.....South 13 to 20 mph increasing to southwest 23
                    to 30 mph in the late morning and afternoon.
Smoke dispersal.....Poor to fair (4300-20100 knot-ft) increasing to
                    good (33300 knot-ft) late in the morning, then
                    increasing to good (56200 knot-ft) late in the
                    morning increasing to excellent (91500-127000
                    knot-ft) early in the afternoon increasing to
                    excellent (99300-137000 knot-ft) decreasing to
                    excellent (67300 knot-ft) late in the
                    afternoon.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.
Pcpn amount.........0.03 inches.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......PCLDY  PCLDY  MCLDY  MCLDY  MCLDY  MCLDY
Weather cov.....                            CHANCE CHANCE
Weather type....NONE   NONE   NONE   NONE   RNSHWR RNSHWR
Tstm cov........
Chc of pcpn (%).0      0      0      0      40     40
LAL.............1      1      1      1      1      1
Temp............34     39     53     61     65     65
RH..............66     62     43     35     33     34
20 ft wind......S 6    S 9    S 13   S 16   S 16   SW 16
20 ft wind gust.9      14     20     23     23     23
Mix hgt (ft)....400    700    1700   3800   5300   4300
Transport wind..S 13   S 15   SW 23  SW 28  SW 30  SW 26
Haines index....5      5      5      5      4      4
SDspl kt-ft/10004      9      33     92     137    99

$$
Forecaster...Woody
Requested by...Joe Dittrich; Renae Essenmacher
Type of request...PRESCRIBED
.TAG 2411504.0/DLH
.DELDT 04/21/24
.FormatterVersion 2.0.0
.EMAIL renae.essenmacher@wi.gov,joseph.dittrich@wi.gov