Text Products for FWS Issued by ARX

Spot Forecast
Issued by NWS La Crosse, WI
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000
FNUS73 KARX 241240
FWSARX

Spot Forecast for Gotham Barrens Rx...Wisconsin DNR
National Weather Service La Crosse WI
740 AM CDT Wed Apr 24 2024

Forecast is based on ignition time of 1100 CDT on April 24.
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...

High pressure will be overhead today, resulting in light surface
and transport winds during the burn period. This will result in
only fair smoke dispersal conditions throughout the day. Humidity
values fall to around 20 to 25 percent in the afternoon with high
temperatures topping out in the upper 50s under clear skies.
Similar humidity values are expected for Thursday with winds
increasing out of the southeast at 5 to 10 mph throughout the day.


.REST OF TODAY...

Sky/weather.........Sunny (0-5 percent).
CWR.................0 percent.
Temperature.........46 at ignition...Max 57.
RH..................37 percent at ignition...Min 23 percent.
Wind (20 ft)........Winds northeast at 5 mph at
                    ignition...becoming light.
Mixing height.......3200 ft AGL at ignition...increasing to 5000 ft
                    AGL.
Transport winds.....Northeast 5 to 9 mph.
Smoke dispersal.....Fair /25600 knot-ft/ at ignition. Max...fair
                    /25600 knot-ft/.
Haines Index........4 or low potential for large plume dominated
                    fire growth at ignition...max 5.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........1   1   1   1   1   2   2
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0
Temp............46  49  52  54  55  56  56
RH..............37  31  27  25  24  23  24
20 FT wind dir..NE  NE  NE  NE  NE  E   E
20 FT wind spd..5   5   5   5   5   4   4
20 FT wind gust.9   8   8   7   7   6   6
Mix hgt (kft)...3.2 3.6 4.0 4.4 4.7 5.0 5.0
Transp wind dir.NE  NE  NE  NE  NE  NE  NE
Transp wind spd.9   7   7   6   6   5   6
Haines index....4   4   5   5   5   5   5
SDspl kt-ft/100026  22  24  22  24  20  25

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
Temperature.........Min 31.
RH..................Max 64 percent.
Wind (20 ft)........East around 5 mph.
Mixing height.......5000 ft AGL decreasing to 300 ft AGL.
Transport winds.....Southeast 5 to 10 mph increasing to around 9
                    mph early in the morning.
Smoke dispersal.....Fair (25000 knot-ft) early in the evening
                    decreasing to poor (2300 knot-ft) late in the
                    night.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........2      4      13     32     30     24
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............57     51     43     40     36     33
RH..............24     33     51     57     64     63
20 ft wind......E 4    E 5    E 4    E 4    E 5    E 4
20 ft wind gust.6      6      6      8      9      7
Mix hgt (ft)....5000   500    300    400    400    400
Transport wind..E 6    E 6    SE 8   SE 10  SE 10  SE 9
Haines index....5      4      4      4      5      5
SDspl kt-ft/100025     2      2      4      4      3

.THURSDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Temperature.........Max 62.
RH..................Min 25 percent.
Wind (20 ft)........Light winds becoming southeast 6 to 9 mph in
                    the late morning and afternoon.
Mixing height.......1500 ft AGL increasing to 4400 ft AGL in the
                    late morning and afternoon.
Transport winds.....Southeast 8 to 13 mph.
Smoke dispersal.....Poor (2600 knot-ft) early in the morning
                    increasing to good (47200 knot-ft) in the
                    afternoon.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........16     12     13     9      9      13
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............33     37     50     57     61     62
RH..............58     52     37     29     25     25
20 ft wind......E 4    SE 4   SE 7   SE 8   SE 9   SE 9
20 ft wind gust.6      7      11     13     14     14
Mix hgt (ft)....400    900    2500   3900   4400   4300
Transport wind..SE 8   S 9    SE 10  SE 10  SE 12  SE 13
Haines index....5      5      5      5      4      4
SDspl kt-ft/10003      7      23     35     44     47

$$
Forecaster...KS
Requested by...Nate Fayram
Type of request...PRESCRIBED
.TAG 2412212.0/ARX
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL Nathan.fayram@wi.gov
National Weather Service Weather Forecast Office
