Suppression Forecast
Issued by NWS La Crosse, WI

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FNUS73 KARX 251758
FWSARX

Spot Forecast for Nelson Property Burn...Iowa DNR Yellow River State Forest
National Weather Service La Crosse WI
1258 PM CDT Wed Apr 25 2018

Forecast is based on ignition time of 1300 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 will continue to slide through
the area today before moving off to the south tonight. Sunny
skies will persist through the afternoon, with high temperatures
expected to be in the lower 60s. Winds will be out of the north-
northwest in the 5 to 10 mph range through much of this afternoon
before becoming light by late afternoon/early this evening and
switching to southerly overnight. Drier air will also move into
the area as the high slides through, with RH values expected to
dip into the mid to to upper 20s. Southwesterly winds will be seen
Thursday morning before a cold front moves through around mid-day
and switches them to northwest in the 10 to 15 mph range, with
gusts around 20 mph possible. In addition, could see some light
rain with the cold front, but best chances appear to remain
northeast of this location.

.TODAY...

Sky/weather.........Sunny.
TEMPERATURE.........57 at ignition...Max 62.
RH..................40 percent at ignition...Min 28 percent.
WIND (20 FT)........Winds northwest at 6 mph at
                    ignition...becoming light toward evening.
CWR.................0 percent.
MIXING HEIGHT.......5500-6000 ft AGL.
TRANSPORT WINDS.....North 7 to 15 mph.
SMOKE DISPERSAL.....Good /52800 knot-ft/ at ignition. Max...good
                    /54100 knot-ft/.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........2   1   1   1   1   1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0   0   0   0   0   0
TEMP............57  59  61  62  62  61
RH..............40  37  29  28  28  31
20 FT WIND DIR..NW  N   N   N   N   N
20 FT WIND SPD..5   5   5   5   5   4
20 FT WIND GUST.                    5

.TONIGHT...

Sky/weather.........Mostly clear.
TEMPERATURE.........Min 36.
RH..................Max 85 percent.
WIND (20 FT)........Light winds.
CWR.................0 percent.
MIXING HEIGHT.......3300-4800 ft AGL decreasing to 300-1800 ft AGL
                    early in the evening.
TRANSPORT WINDS.....East 2 to 6 mph shifting to the southwest 3 to
                    8 mph late in the evening.
SMOKE DISPERSAL.....Poor to fair (500-24700 knot-ft).

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........1      1      1      2      8      19
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
CWR.............0      0      0      0      0      0
TEMP............59     51     44     41     39     36
RH..............33     48     65     70     73     82
20 FT WIND......N 3    N 2    N 1    SW 2   S 2    S 2
20 FT WIND GUST.5

.THURSDAY...

Sky/weather.........Partly sunny. Slight chance of showers late in
                    the afternoon. Chance of showers 20 percent.
TEMPERATURE.........Max 66.
RH..................Min 30 percent.
WIND (20 FT)........Light winds becoming northwest 6 to 11 mph.
CWR.................10 percent increasing to 20 percent late in the
                    afternoon.
MIXING HEIGHT.......300-1700 ft AGL increasing to 6700-8100 ft AGL.
TRANSPORT WINDS.....West 8 to 17 mph shifting to the northwest 18
                    to 22 mph in the afternoon.
SMOKE DISPERSAL.....Poor to good (1800-39400 knot-ft) increasing to
                    excellent (119900-149100 knot-ft).

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........22     24     28     36     56     71
WEATHER COV.....                                   S CHC
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   RNSHWR
TSTM COV........
CWR.............0      0      0      10     10     20
TEMP............38     50     61     65     66     64
RH..............82     58     39     33     30     32
20 FT WIND......SW 4   SW 5   SW 7   W 9    W 10   NW 10
20 FT WIND GUST.5      10     15     15     20     20

$$
Forecaster...CA
Requested by...Stewart Farnum
Type of request...PRESCRIBED
.TAG 1807836.0/ARX
.EMAIL stewart.farnum@dnr.iowa.gov


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