Suppression Forecast
Issued by NWS La Crosse, WI

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000
FNUS73 KARX 251142
FWSARX

Spot Forecast for Perrot Ridge Rx...WISCONSIN DNR
National Weather Service La Crosse WI
642 AM CDT Wed Apr 25 2018

Forecast is based on ignition time of 1100 CDT on April 25.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (608) 784-8292 if you have questions
or concerns with this forecast.

.DISCUSSION...an area of high pressure over Minnesota
this morning will sink south and be over the area by late
afternoon and then move off to the south overnight. Lots of
sunshine will be seen today with temperatures expected to top out
in the middle 60s. North winds of 5 to 10 mph this morning will
become light as the high moves in and then swing around to the
south overnight. The high will bring in dry air that will push the
minimum relative humidity down to around 20 percent this
afternoon. A cold front will move across the region Thursday
afternoon with a small chance for some wetting rains.

.TODAY...

Sky/weather.........Sunny.
TEMPERATURE.........53 at ignition...Max 63.
RH..................36 percent at ignition...Min 22 percent.
WIND (20 FT)........Winds north at 5 mph at ignition...otherwise
                    Northwest winds around 5 mph until late
                    afternoon becoming light.
CWR.................0 percent.
MIXING HEIGHT.......300-1600 ft AGL increasing to 5300-6300 ft AGL.
TRANSPORT WINDS.....Northwest 6 to 13 mph.
SMOKE DISPERSAL.....Good /44700 knot-ft/ at ignition. Max...good
                    /45000 knot-ft/.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........2   1   1   1   1   1   1   1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0   0   0   0   0   0   0   0
TEMP............53  56  58  60  61  63  63  62
RH..............36  31  28  26  24  22  24  26
20 FT WIND DIR..N   N   N   N   NW  NW  NW  NW
20 FT WIND SPD..5   5   5   5   5   5   4   3
20 FT WIND GUST.                        5   5

.TONIGHT...

Sky/weather.........Mostly clear.
TEMPERATURE.........Min 36.
RH..................Max 79 percent.
WIND (20 FT)........Light winds.
CWR.................0 percent.
MIXING HEIGHT.......3400-5000 ft AGL decreasing to 300-1800 ft AGL
                    early in the evening.
TRANSPORT WINDS.....South 5 to 7 mph.
SMOKE DISPERSAL.....Poor to fair (1000-24100 knot-ft).

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........1      1      2      4      18     29
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
CWR.............0      0      0      0      0      0
TEMP............60     51     43     40     38     36
RH..............31     48     62     67     70     75
20 FT WIND......NW 3   SW 2   SW 2   S 3    S 3    S 3
20 FT WIND GUST.5                    5      5      5

.THURSDAY...

Sky/weather.........Partly sunny. Slight chance of showers in the
                    afternoon. Chance of showers 20 percent.
TEMPERATURE.........Max 64.
RH..................Min 34 percent.
WIND (20 FT)........Light winds becoming northwest 7 to 12 mph
                    early in the morning.
CWR.................0 percent increasing to 20 percent in the
                    afternoon.
MIXING HEIGHT.......300-1700 ft AGL increasing to 5500-7300 ft AGL.
TRANSPORT WINDS.....Southwest 7 to 14 mph increasing to northwest
                    17 to 25 mph in the late morning and afternoon.
SMOKE DISPERSAL.....Poor to good (1500-48800 knot-ft) increasing to
                    excellent (126300-148500 knot-ft).

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........37     33     37     55     73     75
WEATHER COV.....                     S CHC  S CHC  S CHC
WEATHER TYPE....NONE   NONE   NONE   RNSHWR RNSHWR RNSHWR
TSTM COV........
CWR.............0      0      0      20     20     20
TEMP............38     51     61     64     63     61
RH..............79     54     39     35     35     36
20 FT WIND......S 3    SW 5   SW 7   W 9    NW 11  NW 11
20 FT WIND GUST.5             10     15     20     20

$$
Forecaster...04
Requested by...Duerkop
Type of request...PRESCRIBED
.TAG 1807754.0/ARX
.EMAIL peter.duerkop@wisconsin.gov


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