Suppression Forecast
Issued by NWS Duluth, MN

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000
FNUS73 KDLH 222159
FWSDLH

Spot Forecast for Boy River RX...USFS
National Weather Service Duluth MN
459 PM CDT Sun Apr 22 2018

Forecast is based on ignition time of 1700 CDT on April 22.
If there are questions or concerns with this forecast...
please call the National Weather Service.

.DISCUSSION...Gusty southwest winds and relative humidity values
in the lower 20s, will gradually improve as the evening wears on.
We should be at the lowest relative humidity as of this spot
issuance, and the highest wind speed as well. Winds will decrease
to around 5 mph overnight, and winds will generally be pretty light
on Monday as well. There should be a bit more cloud cover on
Monday, although it should be of the mid and high level variety.

Sky/weather.........Sunny.
Max temperature.....Around 68.
Min humidity........22-26 percent.
Wind (20 ft)........Southwest winds around 15 mph.
Mixing height.......6200 ft AGL.
Transport winds.....Southwest around 20 mph.
Smoke dispersal.....Excellent (105800 knot-ft).

TIME (CDT)      5PM
Sky cover.......MCR
Weather cov.....
Weather type....
Tstm cov........
Temp............66
RH..............24
20 FT wind dir..SW
20 FT wind spd..14
20 FT wind gust.18
Mix hgt (kft)...6.2
Transp wind dir.SW
Transp wind spd.20
SDspl kt-ft/1000106

.TONIGHT...

Sky/weather.........Mostly clear.
Min temperature.....Around 41.
Max humidity........78 percent.
Wind (20 ft)........South winds around 10 mph with gusts to around
                    16 mph becoming southwest around 5 mph.
Mixing height.......5800 ft AGL decreasing to 300 ft AGL.
Transport winds.....Southwest 10 to 20 mph.
Smoke dispersal.....Excellent (104100 knot-ft) decreasing to poor
                    (2900 knot-ft).

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......MCR MCR MCR MCR CLR MCR MCR MCR MCR MCR MCR MCR
Weather cov.....
Weather type....
Tstm cov........
Temp............63  59  55  51  48  46  45  44  43  42  41  41
RH..............29  37  42  49  55  61  66  70  73  74  75  77
20 FT wind dir..S   S   S   S   S   S   S   S   SW  SW  SW  SW
20 FT wind spd..11  5   5   5   5   5   5   5   5   5   5   5
20 FT wind gust.16  13  13  13  12  10  8   6   6
Mix hgt (kft)...5.8 5.3 3.6 1.9 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
Transp wind dir.SW  SW  SW  S   S   S   S   S   S   SW  SW  SW
Transp wind spd.20  20  20  15  15  15  10  15  10  10  10  10
SDspl kt-ft/1000104 97  60  27  3   3   3   3   3   3   2   2

.MONDAY...

Sky/weather.........Mostly sunny.
Max temperature.....Around 67.
Min humidity........34 percent.
Wind (20 ft)........West winds around 5 mph.
Mixing height.......2100 ft AGL increasing to 8800 ft AGL.
Transport winds.....West 10 to 15 mph.
Smoke dispersal.....Poor to fair (2400-16600 knot-ft) increasing to
                    excellent (65500-78900 knot-ft).

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......PCLDY  PCLDY  MCLEAR PCLDY  PCLDY  PCLDY
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............41     45     54     60     65     67
RH..............78     68     48     41     37     34
20 ft wind......SW 5   SW 5   SW 5   SW 5   SW 5   W 5
20 ft wind gust.              7      7      6
Mix hgt (ft)....300    900    2100   5200   7400   8800
Transport wind..SW 10  SW 10  SW 15  W 10   W 10   W 10
SDspl kt-ft/10002      8      26     53     65     79

.MONDAY NIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
Min temperature.....Around 38.
Max humidity........79-82 percent.
Wind (20 ft)........North winds around 5 mph.
Mixing height.......7600 ft AGL decreasing to 300 ft AGL.
Transport winds.....North 5 to 15 mph.
Smoke dispersal.....Good (52000 knot-ft) decreasing to poor (2900
                    knot-ft).

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......PCLDY  PCLDY  MCLDY  MCLDY  MCLDY  MCLDY
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............65     60     51     44     42     40
RH..............38     45     55     65     72     73
20 ft wind......W 5    NW 5   N 5    N 5    N 5    N 5
20 ft wind gust.                     7      8      8
Mix hgt (ft)....7600   4700   300    300    300    300
Transport wind..W 10   NW 5   N 10   N 10   N 15   N 15
SDspl kt-ft/100052     29     2      3      3      3

$$
Forecaster...Dean P
Requested by...Michael Mackey
Type of request...PRESCRIBED
.TAG 1807312.1/DLH
.EMAIL mmackey@fs.fed.us


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