Suppression Forecast
Issued by NWS La Crosse, WI

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FNUS73 KARX 051333
FWSARX

Spot Forecast for PR 27 Rx...US FISH AND WILDLIFE SERVICE
National Weather Service La Crosse WI
833 AM CDT Wed May 5 2021

Forecast is based on ignition time of 1100 CDT on May 05.
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...Sunny skies will persist the remainder of this
morning with increasing clouds this afternoon. Temperatures will
climb through the 50s through midday, topping out around 60 this
afternoon. Good mixing will develop over the next few hours,
which will bring some drier air down to the surface this
afternoon. Expect relative humidity to drop into the 40s by late
morning, bottoming out around 30 to 35 percent this afternoon.
Winds will be light today less than 10 mph with shifting
direction possible between west and north, but generally out of
the northwest. Rain chances will arrive early this evening,
highest overnight with up to a quarter inch of rainfall possible.
Thursday will be partly cloudy with highs near 60 and breezy
northwest winds gusting 20 to 25 mph. Afternoon relative humidity
on Thursday will dip to around 30 percent.

.REST OF TODAY...

Sky/weather.........Partly sunny. Chance of showers late in the
                    afternoon. Chance of showers 30 percent.
CWR.................0 percent increasing to 30 percent late in the
                    afternoon.
Temperature.........54 at ignition...Max 60.
RH..................45 percent at ignition...Min 31 percent.
Wind (20 ft)........Winds northwest at 5 mph at
                    ignition...otherwise Northwest winds 5 to 7
                    mph.
Smoke dispersal.....Good /32600 knot-ft/ at ignition. Max...good
                    /57300 knot-ft/.
Haines Index........3 very low at ignition...max 4.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Sky (%).........11  18  24  41  58  75  81  86
Weather cov.....                            CHC
Weather type....                            RW
Tstm cov........
CWR.............0   0   0   0   0   10  10  30
Temp............54  56  58  59  60  60  59  58
RH..............45  38  34  33  31  31  33  37
20 FT wind dir..NW  NW  NW  NW  W   W   W   NW
20 FT wind spd..5   6   6   7   7   7   7   7
20 FT wind gust.9   9   11  11  12  12  12  13
Haines index....3   3   4   4   4   4   4   4
SDspl kt-ft/100033  36  37  39  41  40  57  57

.TONIGHT...

Sky/weather.........Mostly cloudy then becoming partly cloudy.
                    Chance of showers early in the evening, then
                    showers likely in the late evening and early
                    morning. Chance of showers early in the
                    morning. Chance of showers 70 percent.
CWR.................40 percent increasing to 50 percent early in
                    the evening, then increasing to 60 percent late
                    in the evening increasing to 70 percent after
                    midnight decreasing to 60 percent decreasing to
                    50 percent early in the morning decreasing to
                    30 percent.
Temperature.........Min 37.
RH..................Max 92 percent.
Wind (20 ft)........Northwest winds 5 to 7 mph early in the evening
                    becoming light.
Smoke dispersal.....Poor to good (2800-40800 knot-ft).

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
Sky (%).........92     93     94     95     88     73
Weather cov.....CHANCE CHANCE LIKELY LIKELY LIKELY CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........
CWR.............40     50     60     70     70     50
Temp............55     48     45     44     41     40
RH..............43     58     73     79     89     89
20 ft wind......NW 7   N 5    N 4    N 3    N 3    NW 3
20 ft wind gust.13     12     11     8      8      8
Haines index....4      4      4      3      3      3
SDspl kt-ft/100041     17     8      8      6      3

.THURSDAY...

Sky/weather.........Partly sunny.
CWR.................10 percent.
Temperature.........Max 58.
RH..................Min 29 percent.
Wind (20 ft)........Light winds becoming northwest 7 to 12 mph with
                    gusts to around 21 mph.
Smoke dispersal.....Poor to fair (6500-28000 knot-ft) increasing to
                    excellent (88300-133800 knot-ft) in the late
                    morning and early afternoon, then increasing to
                    excellent (102400-147100 knot-ft) early in the
                    afternoon decreasing to excellent (64600-64600
                    knot-ft) late in the afternoon.
Haines Index........3 to 5 OR very low to moderate.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........48     27     19     36     38     38
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............10     10     10     10     10     10
Temp............38     45     52     56     58     58
RH..............92     73     46     34     30     29
20 ft wind......NW 4   NW 5   NW 7   NW 10  NW 11  NW 11
20 ft wind gust.9      8      14     18     20     21
Haines index....3      3      3      5      5      5
SDspl kt-ft/10007      9      88     127    140    102

$$
Forecaster...MK
Requested by...Ben Halverson
Type of request...PRESCRIBED
.TAG 2111655.0/ARX
.DELDT 05/05/21
.EMAIL benjamin_halverson@fws.gov


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