265
FNUS73 KARX 151016
FWSARX

Spot Forecast for Lost Hound RX...Clark County
National Weather Service La Crosse WI
516 AM CDT Wed May 15 2024

Forecast is based on ignition time of 1100 CDT on May 15.
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...Temperatures today rise to around 70 degrees with
some high clouds increasing later through the day. Deeper mixing
this afternoon will bring down drier air to the surface allowing
for minimum relative humidity values to fall to the lower 30
percent range. East winds remain generally less than 10 mph.
Mixing heights increase above 3kft to 5kft this afternoon, with
smoke dispersal fair to good.

.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
Temperature.........62 at ignition...Max 70.
RH..................43 percent at ignition...Min 31 percent.
Wind (20 ft)........Winds east at 5 mph at ignition...otherwise
                    East winds 5 to 6 mph.
Mixing height.......2200 ft AGL at ignition...otherwise 3700 ft AGL
                    increasing to 5600 ft AGL in the afternoon.
Transport winds.....East 9 to 10 mph.
Smoke dispersal.....Fair /17700 knot-ft/ at ignition. Max...good
                    /47300 knot-ft/.
Haines Index........4 or low potential for large plume dominated
                    fire growth at ignition...max 4.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........17  14  11  17  24  30  33
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0
Temp............62  64  67  68  70  70  70
RH..............43  41  36  33  31  31  31
20 FT wind dir..E   E   E   E   E   E   E
20 FT wind spd..5   6   6   6   6   6   6
20 FT wind gust.9   11  11  11  12  11  11
Mix hgt (kft)...2.2 3.7 4.9 5.3 5.4 5.6 5.1
Transp wind dir.E   E   E   E   E   SE  SE
Transp wind spd.9   10  9   10  9   9   9
Haines index....4   4   4   4   4   4   4
SDspl kt-ft/100018  34  39  47  43  45  41

.TONIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (65-75 percent). Slight chance of
                    rain showers overnight. Slight chance of
                    thunderstorms overnight. Chance of rain showers
                    after 3 am.
CWR.................0 percent increasing to 40 percent overnight.
Temperature.........Min 50.
RH..................Max 72 percent.
Wind (20 ft)........Southeast winds 5 to 11 mph. Gusty and erratic
                    winds expected near thunderstorms overnight.
Mixing height.......4700 ft AGL decreasing to 500 ft AGL.
Transport winds.....Southeast 8 to 17 mph.
Smoke dispersal.....Good (37700 knot-ft) early in the evening
                    decreasing to poor (3600 knot-ft) late in the
                    night.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........36     43     49     56     67     83
Weather cov.....                            S CHC  CHANCE
Weather type....NONE   NONE   NONE   NONE   RNSHWR RNSHWR
Tstm cov........                            S CHC  S CHC
CWR.............0      0      0      0      20     40
Temp............69     65     58     55     54     52
RH..............33     43     57     57     61     67
20 ft wind......SE 6   SE 6   E 7    SE 11  SE 11  SE 10
20 ft wind gust.11     9      13     16     16     16
Mix hgt (ft)....4700   500    500    600    700    700
Transport wind..SE 9   SE 8   E 13   SE 16  SE 17  SE 16
Haines index....4      4      4      4      3      3
SDspl kt-ft/100038     4      5      8      10     9

.THURSDAY...

Sky/weather.........Partly sunny (60-70 percent). Slight chance of
                    thunderstorms in the morning. Chance of rain
                    showers through the day. Chance of
                    thunderstorms in the afternoon.
CWR.................50 percent.
Temperature.........Max 69.
RH..................Min 55 percent.
Wind (20 ft)........South winds 8 to 9 mph shifting to the west
                    around 9 mph late in the afternoon. Gusty and
                    erratic winds expected near thunderstorms in
                    the morning. Gusty and erratic winds expected
                    near thunderstorms in the afternoon.
Mixing height.......2500 ft AGL increasing to 3500 ft AGL in the
                    afternoon.
Transport winds.....South 9 to 14 mph shifting to the west 13 to 15
                    mph late in the afternoon.
Smoke dispersal.....Poor (10000 knot-ft) early in the morning
                    increasing to good (45000 knot-ft) in the
                    afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........82     82     82     76     68     57
Weather cov.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........S CHC  S CHC  S CHC  S CHC  CHANCE S CHC
CWR.............50     50     50     50     50     40
Temp............50     52     57     63     67     69
RH..............76     82     75     67     58     55
20 ft wind......SE 9   S 8    S 8    S 9    SW 9   W 9
20 ft wind gust.15     14     14     14     14     14
Mix hgt (ft)....900    900    1400   2500   2900   3500
Transport wind..S 13   S 14   S 14   SW 13  SW 9   W 15
Haines index....3      3      3      3      3      3
SDspl kt-ft/100010     11     17     27     23     45

$$
Forecaster...EMS
Requested by...John Wendorski
Type of request...PRESCRIBED
.TAG 2414109.0/ARX
.DELDT 05/15/24
.FormatterVersion 2.0.0
.EMAIL john.wendorski@co.clark.wi.us