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000
FNUS73 KARX 240956
FWSARX

Spot Forecast for Green Pool Rx Burn...Minnesota DNR
National Weather Service La Crosse WI
456 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 moves overhead of the burn site today
with the winds decreasing through the day to around 5 mph or less
by this afternoon. The max temp will climb into the upper 50s
with minimum RH values falling into the low 20s by this afternoon.
Skies will remain clear with fair RH recovery tonight. High
pressure drifts east on Thursday as winds increase from the
southeast around 15 to 20 mph. Temps will climb into the low 60s
with minimum RH falling to around 30%.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Temperature.........41 at ignition...Max 57.
RH..................48 percent at ignition...Min 24 percent.
Wind (20 ft)........Winds east at 4 mph at ignition...otherwise
                    Light winds.
Mixing height.......2000 ft AGL at ignition...otherwise 3900 ft AGL
                    increasing to 4900 ft AGL late in the
                    afternoon.
Transport winds.....Northeast 6 to 8 mph shifting to the north
                    around 5 mph late in the afternoon.
Smoke dispersal.....Fair /14200 knot-ft/ at ignition. Max...fair
                    /22300 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 (%).........3   3   2   2   2   2   2   7
Weather cov.....
Weather type....
Tstm cov........
Temp............41  45  48  52  54  55  57  57
RH..............48  41  35  29  27  26  24  25
20 FT wind dir..E   E   E   E   E   E   E   E
20 FT wind spd..4   4   4   4   4   3   3   3
20 FT wind gust.7   7   7   7   6   5   5   5
Mix hgt (kft)...2.0 2.7 3.2 3.9 4.5 4.7 4.9 4.8
Transp wind dir.E   NE  NE  NE  NE  N   NE  N
Transp wind spd.8   8   7   6   6   5   5   5
Haines index....4   4   4   4   4   4   4   4
SDspl kt-ft/100014  19  19  20  22  19  20  19

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
Temperature.........Min 36.
RH..................Max 67 percent.
Wind (20 ft)........Light winds becoming south around 5 mph.
Mixing height.......4700 ft AGL decreasing to 400 ft AGL.
Transport winds.....Southeast 5 to 12 mph.
Smoke dispersal.....Fair (18800 knot-ft) early in the evening
                    decreasing to poor (2300 knot-ft) late in the
                    night.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........12     21     28     31     29     20
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............57     52     45     42     39     38
RH..............27     33     45     48     54     59
20 ft wind......SE 3   SE 3   SE 3   S 4    S 4    S 5
20 ft wind gust.5      6      6      7      8      9
Mix hgt (ft)....4700   500    400    400    400    400
Transport wind..SE 5   SE 6   SE 7   S 9    S 10   S 10
Haines index....4      4      4      4      4      4
SDspl kt-ft/100019     2      2      3      4      3

.THURSDAY...

Sky/weather.........Sunny (20-30 percent).
Temperature.........Max 63.
RH..................Min 30 percent.
Wind (20 ft)........Southeast winds 5 to 12 mph.
Mixing height.......1900 ft AGL increasing to 4200 ft AGL late in
                    the morning.
Transport winds.....South 12 to 20 mph.
Smoke dispersal.....Poor (4000 knot-ft) early in the morning
                    increasing to excellent (71700 knot-ft) in the
                    afternoon.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........22     21     16     16     21     32
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............38     41     51     57     61     63
RH..............64     65     50     40     33     30
20 ft wind......S 5    S 7    SE 10  SE 11  SE 11  SE 11
20 ft wind gust.11     13     16     18     19     20
Mix hgt (ft)....400    900    1900   3300   4100   4200
Transport wind..S 12   S 15   S 16   S 17   S 18   S 20
Haines index....4      4      4      4      4      4
SDspl kt-ft/10004      11     27     50     65     72

$$
Forecaster...JAW
Requested by...Christine Johnson
Type of request...PRESCRIBED
.TAG 2411980.0/ARX
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL Christine.Ann.Johnson@state.mn.us