Spot Forecast
Issued by NWS La Crosse, WI

000
FNUS73 KARX 241328
FWSARX

Spot Forecast for Koenigsfeld...RES - Iowa NRCS
National Weather Service La Crosse WI
828 AM CDT Wed Apr 24 2024

Forecast is based on ignition time of 1000 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 easterly
to northeasterly 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 30 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 10 to 15
mph, gusting up to 25 mph throughout the day.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Temperature.........43 at ignition...Max 59.
RH..................57 percent at ignition...Min 28 percent.
Wind (20 ft)........Winds east at 5 to 6 mph.
Mixing height.......1900 ft AGL at ignition...increasing to
                    4900 ft AGL in the afternoon.
Transport winds.....Northeast 6 to 9 mph.
Smoke dispersal.....Fair /15400 knot-ft/ at ignition. Max...fair
                    /28500 knot-ft/.
Haines Index........4 or low potential for large plume dominated
                    fire growth at ignition...max 4.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   2   2   2   1   1   1   4
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0
Temp............43  46  49  53  56  57  58  59
RH..............57  49  44  36  32  30  29  28
20 FT wind dir..E   E   NE  NE  NE  E   E   E
20 FT wind spd..6   6   6   6   6   5   5   5
20 FT wind gust.11  9   9   9   9   8   7   7
Mix hgt (kft)...1.9 2.3 3.4 4.1 4.7 4.7 4.8 4.9
Transp wind dir.NE  NE  NE  NE  NE  NE  NE  E
Transp wind spd.9   9   9   8   7   6   6   6
Haines index....4   4   4   4   4   4   4   4
SDspl kt-ft/100015  18  27  29  28  24  24  25

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
CWR.................0 percent.
Temperature.........Min 37.
RH..................Max 73 percent.
Wind (20 ft)........Southeast winds 5 to 8 mph.
Mixing height.......4200 ft AGL decreasing to 400 ft AGL early in
                    the evening.
Transport winds.....Southeast 6 to 14 mph shifting to the south 13
                    to 14 mph after 3 am.
Smoke dispersal.....Fair (24100 knot-ft) early in the evening
                    decreasing to poor (2900 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 (%).........8      12     17     33     37     38
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............58     53     46     42     40     39
RH..............29     36     51     60     64     70
20 ft wind......E 5    E 5    E 6    SE 7   SE 7   SE 8
20 ft wind gust.6      8      9      11     13     13
Mix hgt (ft)....4800   500    400    400    400    400
Transport wind..E 6    E 7    E 10   SE 12  SE 14  S 13
Haines index....4      4      4      4      5      5
SDspl kt-ft/100024     3      3      4      5      4

.THURSDAY...

Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
Temperature.........Max 64.
RH..................Min 31 percent.
Wind (20 ft)........Southeast winds 8 to 16 mph.
Mixing height.......2000 ft AGL increasing to 4000 ft AGL late in
                    the morning.
Transport winds.....Southeast 14 to 22 mph.
Smoke dispersal.....Poor (5500 knot-ft) early in the morning
                    increasing to excellent (76100 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 (%).........35     30     23     27     31     34
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............37     41     51     57     62     64
RH..............79     73     56     45     36     31
20 ft wind......SE 8   SE 10  SE 12  SE 15  SE 16  SE 16
20 ft wind gust.14     16     19     21     22     23
Mix hgt (ft)....500    1000   2000   3000   3600   4000
Transport wind..S 14   S 17   S 20   S 21   SE 21  SE 22
Haines index....5      4      4      4      4      4
SDspl kt-ft/10006      16     34     55     65     76

$$
Forecaster...KS
Requested by...Danny Simcox
Type of request...PRESCRIBED
.TAG 2412248.0/ARX
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL dsimcox@res.us