Spot Forecast Issued by NWS La Crosse, WI
000
FNUS73 KARX 191243
FWSARX
Spot Forecast for HX RX burn...Wisconsin DNR
National Weather Service La Crosse WI
743 AM CDT Fri Apr 19 2024
Forecast is based on ignition time of 0000 CDT on April 20.
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...Low clouds are possible through the morning with
more potential for clouds to scatter out during the afternoon. It
will be another cool, breezy day with steady northwest winds,
occasionally gusting to 15 to 20 mph in open areas. RH is forecast
to fall to 35 to 40 percent, but the extent of warming and drying
will be influenced by cloud trends. If clouds persist longer,
slightly cooler afternoon temperatures would be more likely,
holding RH up slightly and lower RH (near 30%) could result with
slightly warmer, drier conditions.
.SATURDAY...
Sky/weather.........Partly sunny (50-60 percent) then becoming
sunny (10-20 percent).
CWR.................0 percent.
Temperature.........Max 48.
RH..................Min 38 percent.
Wind (20 ft)........Northwest winds 10 to 12 mph.
Mixing height.......3900 ft AGL increasing to 5500 ft AGL late in
the morning.
Transport winds.....Northwest 18 to 22 mph.
Smoke dispersal.....Good (33800 knot-ft) early in the morning
increasing to excellent (105000 knot-ft) in the
afternoon.
Haines Index........2 to 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 (%).........55 67 80 67 40 16
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
CWR.............0 0 0 0 0 0
Temp............28 28 35 40 44 47
RH..............71 75 59 50 43 38
20 ft wind......NW 11 NW 11 NW 10 NW 11 NW 11 NW 12
20 ft wind gust.16 16 16 16 19 19
Mix hgt (ft)....2300 2900 3900 4600 5100 5500
Transport wind..NW 20 NW 21 NW 21 NW 21 NW 21 NW 22
Haines index....3 2 2 2 3 3
SDspl kt-ft/100039 52 69 82 92 105
.SUNDAY...
Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
Temperature.........Max 57.
RH..................Min 31 percent.
Wind (20 ft)........West winds 8 to 15 mph.
Mixing height.......2400 ft AGL increasing to 4400 ft AGL late in
the morning, then increasing to 7100 ft AGL in
the afternoon decreasing to 4900 ft AGL late in
the afternoon.
Transport winds.....West 12 to 21 mph increasing to 20 to 23 mph in
the afternoon.
Smoke dispersal.....Poor (4600 knot-ft) early in the morning
increasing to excellent (141000 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 (%).........2 2 3 4 4 3
Weather cov.....
Weather type....NONE NONE NONE NONE NONE NONE
Tstm cov........
CWR.............0 0 0 0 0 0
Temp............29 35 46 52 56 57
RH..............72 64 49 39 32 31
20 ft wind......W 8 W 9 W 11 W 12 W 15 W 15
20 ft wind gust.13 14 18 20 22 22
Mix hgt (ft)....500 1500 3400 5400 6600 7100
Transport wind..W 12 W 15 W 21 W 22 W 22 W 23
Haines index....4 4 4 4 4 4
SDspl kt-ft/10005 19 62 103 126 141
$$
Forecaster...JM
Requested by...Samuel Schuler
Type of request...PRESCRIBED
.TAG 2411386.0/ARX
.DELDT 04/19/24
.FormatterVersion 2.0.0
.EMAIL samuel.schuler@wisconsin.gov