Suppression Forecast
Issued by NWS Duluth, MN

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000
FNUS73 KDLH 230053
FWSDLH

Spot Forecast for St. Croix Park Rx...MN DNR
National Weather Service Duluth MN
753 PM CDT Sun Apr 22 2018

Forecast is based on ignition time of 1000 CDT on April 23.
If there are questions or concerns with this forecast...
please call the National Weather Service.

.DISCUSSION...High pressure over the western Great Lakes will
gradually slide off to the east on Monday, but will generally
still remain in control of the weather for the prescribed burn
site. Relative humidity values should drop to close to 25 percent
in the afternoon. Winds should be generally light, around 5 mph.
While there should be a considerable amount of sunshine, some
mid and high level clouds will start to spread in as the day
wears on. Nonetheless, it should be mostly sunny overall. The
night shift will issue an update in the morning.

.MONDAY...

Sky/weather.........Mostly sunny.
Max temperature.....Around 67.
Min humidity........27 percent.
Wind (20 ft)........Light winds becoming southwest around 5 mph in
                    the late morning and afternoon.
Mixing height.......1800 ft AGL increasing to 7400 ft AGL.
Transport winds.....Southwest 0 to 10 mph.
Smoke dispersal.....Poor (500-12500 knot-ft) increasing to good to
                    excellent (49900-63200 knot-ft).

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MCR MCR MCR MCR MCR MCR MCR MCR MCR
Weather cov.....
Weather type....
Tstm cov........
Temp............48  54  57  60  63  65  66  67  67
RH..............62  48  40  35  32  29  27  26  27
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..5   5   5   5   5   5   5   5   5
20 FT wind gust.
Mix hgt (kft)...1.8 2.6 3.4 4.2 4.9 5.8 6.6 7.4 6.6
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.10  10  10  10  10  10  10  10  10
SDspl kt-ft/100013  24  32  38  42  50  58  63  51

.MONDAY NIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
Min temperature.....Around 40.
Max humidity........82 percent.
Wind (20 ft)........Southwest winds around 5 mph early in the
                    evening becoming light, then becoming north
                    around 5 mph early in the morning.
Mixing height.......5800 ft AGL decreasing to 300 ft AGL.
Transport winds.....West 5 to 10 mph shifting to the north early in
                    the morning.
Smoke dispersal.....Fair to good (28300-38800 knot-ft) decreasing
                    to poor to fair (900-16700 knot-ft) early in
                    the evening.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......MCLEAR MCLEAR MCLEAR PCLDY  MCLDY  MCLDY
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............66     61     53     48     46     43
RH..............30     40     57     71     76     76
20 ft wind......SW 5   SW 5   S 0    W 0    W 0    N 5
20 ft wind gust.              3      2      3
Mix hgt (ft)....5800   3400   300    300    300    300
Transport wind..SW 10  SW 5   S 5    SW 5   W 5    N 5
SDspl kt-ft/100039     17     1      1      1      2

.TUESDAY...

Sky/weather.........Partly sunny.
Max temperature.....Around 58.
Min humidity........33 percent.
Wind (20 ft)........North winds around 5 mph increasing to around
                    10 mph in the late morning and afternoon.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......MCLDY  MCLDY  MCLDY  MCLDY  MCLDY  PCLDY
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............40     44     53     55     55     58
RH..............82     70     50     41     40     34
20 ft wind......N 5    N 5    N 10   N 10   N 10   N 10
20 ft wind gust.       9      13     13     12     12

$$
Forecaster...Dean P
Requested by...K. SIEVE
Type of request...PRESCRIBED
.TAG 1807388.0/DLH
.EMAIL karl.sieve@state.mn.us


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