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000
FNUS73 KARX 151253
FWSARX

Spot Forecast for Bronk Rx...MN DNR
National Weather Service La Crosse WI
753 AM CDT Mon Apr 15 2024

Forecast is based on ignition time of 1000 CDT on April 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...

Light east winds this morning strengthen during the afternoon with
some gusts 10 to 20 mph. Winds will remain elevated overnight and
strengthen toward Tuesday morning with an approaching storm
system. Temperatures will remain above normal today with highs
approaching 70 degrees with lowest relative humidities around 25
percent this afternoon.

.REST OF TODAY...

Sky/weather.........Mostly sunny (25-35 percent).
CWR.................10 percent.
Temperature.........58 at ignition...Max 68.
RH..................44 percent at ignition...Min 25 percent.
Wind (20 ft)........Winds northeast at 7 mph at
                    ignition...otherwise Northeast winds 6 to 7
                    mph.
Mixing height.......1700 ft AGL at ignition...otherwise 3500 ft
                    AGL.
Transport winds.....Northeast 8 to 12 mph.
Smoke dispersal.....Fair /15700 knot-ft/ at ignition. Max...good
                    /32700 knot-ft/.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth at ignition...max 5.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........12  30  37  41  36  38  46  34
Weather cov.....
Weather type....
Tstm cov........
CWR.............10  10  0   0   0   0   0   0
Temp............58  62  64  66  67  68  68  68
RH..............44  36  31  28  26  25  26  26
20 FT wind dir..NE  NE  NE  NE  NE  NE  NE  E
20 FT wind spd..7   7   7   6   7   7   7   7
20 FT wind gust.11  11  11  9   11  11  12  12
Mix hgt (kft)...1.7 2.6 3.1 3.2 3.5 3.4 3.2 3.3
Transp wind dir.NE  NE  NE  NE  NE  NE  NE  E
Transp wind spd.10  10  9   9   8   8   9   12
Haines index....5   5   5   5   5   5   5   5
SDspl kt-ft/100016  24  25  26  24  24  26  33

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (65-75 percent).
CWR.................10 percent.
Temperature.........Min 46.
RH..................Max 56 percent.
Wind (20 ft)........East winds 7 to 15 mph. Gusts up to 28 mph
                    overnight.
Mixing height.......2800 ft AGL decreasing to 400 ft AGL.
Transport winds.....East 12 to 21 mph.
Smoke dispersal.....Good (30700 knot-ft) early in the evening
                    decreasing to poor (4400 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 (%).........22     17     18     24     29     48
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............68     61     56     54     52     50
RH..............26     35     42     43     48     56
20 ft wind......E 7    E 7    E 9    E 10   E 10   E 12
20 ft wind gust.12     11     14     16     20     23
Mix hgt (ft)....2800   500    500    500    500    700
Transport wind..E 13   E 12   E 15   E 16   E 17   SE 20
Haines index....5      5      5      5      4      4
SDspl kt-ft/100031     5      6      7      8      12

.TUESDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Rain showers
                    likely and slight chance of thunderstorms in
                    the morning, then rain showers and chance of
                    thunderstorms in the afternoon.
CWR.................100 percent.
Temperature.........Max 57.
RH..................Min 56 percent.
Wind (20 ft)........East winds 16 to 22 mph. Gusts up to 39 mph
                    increasing to 41 mph late in the afternoon.
                    Gusty and erratic winds expected near
                    thunderstorms in the morning and early
                    afternoon. Gusty and erratic winds expected
                    near thunderstorms late in the afternoon.
Mixing height.......2000 ft AGL.
Transport winds.....Southeast 23 to 32 mph shifting to the east 33
                    to 37 mph in the late morning and afternoon.
Smoke dispersal.....Fair (20300 knot-ft) early in the morning
                    increasing to excellent (65400 knot-ft) in the
                    afternoon.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........65     81     89     88     88     92
Weather cov.....S CHC  CHANCE LIKELY DEFNTE DEFNTE DEFNTE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........       S CHC  S CHC  S CHC  S CHC  CHANCE
CWR.............20     40     60     80     90     100
Temp............48     48     50     52     54     55
RH..............56     56     58     61     64     69
20 ft wind......E 16   E 17   E 20   E 21   E 22   E 22
20 ft wind gust.27     32     34     34     35     37
Mix hgt (ft)....1000   1500   2000   1900   1700   1900
Transport wind..SE 23  SE 29  SE 37  E 37   E 37   E 35
Haines index....4      4      4      4      3      3
SDspl kt-ft/100021     38     65     62     54     57

$$
Forecaster...CZ
Requested by...Matt Graeve
Type of request...PRESCRIBED
.TAG 2410884.0/ARX
.DELDT 04/15/24
.FormatterVersion 2.0.0
.EMAIL mgraeve@tnc.org