963
FNUS73 KMPX 050021
FWSMPX

Spot Forecast for Leif Mountains Central...The Nature Conservancy
National Weather Service Twin Cities/Chanhassen MN
721 PM CDT Sat May 4 2024

Forecast is based on ignition time of 0900 CDT on May 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

Please contact our office if you have questions or concerns with
this forecast.

.DISCUSSION...Sunny skies, lower humidity, and winds becoming
south 5-10 mph are expected Sunday.

.SUNDAY...

Sky/weather.........Sunny (0-10 percent).
Temperature.........52 at ignition...Max 67.
RH..................66 percent at ignition...Min 34 percent.
Wind (20 ft)........Winds south at 5 mph at ignition...otherwise
                    South winds 5 to 9 mph.
Smoke dispersal.....Poor /4300 knot-ft/ at ignition. Max...good
                    /53900 knot-ft/.
Mixing height.......900 ft AGL at ignition...otherwise 5600 ft AGL.
Transport winds.....South 6 to 12 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth at ignition...max 3.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM
Sky cover.......CLR MCR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR
Weather cov.....
Weather type....
Tstm cov........
Temp............52  55  58  60  61  63  65  67  67  65  64  61
RH..............66  59  51  46  42  39  37  34  36  40  43  48
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   SE  SE
20 FT wind spd..5   6   6   7   7   8   8   9   9   10  9   8
20 FT wind gust.8   9   9   10  12  12  13  13  13  14  14  14
Mix hgt (kft)...0.9 2.8 4.4 4.9 5.4 5.6 5.6 5.5 5.4 5.1 2.5 0.5
Transp wind dir.SW  SW  SW  SW  S   S   S   S   S   S   S   SE
Transp wind spd.6   6   7   7   8   9   10  10  12  13  13  12
Haines index....3   3   3   3   3   3   3   3   3   3   3   3

.SUNDAY NIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Temperature.........Min 46.
RH..................Max 80 percent.
Wind (20 ft)........Southeast winds 8 to 12 mph.
Smoke dispersal.....Good (55900 knot-ft) early in the evening
                    decreasing to poor (4600 knot-ft) late in the
                    night.
Mixing height.......400 ft AGL.
Transport winds.....Southeast 12 to 18 mph.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

.MONDAY...

Sky/weather.........Mostly sunny (45-55 percent) then becoming
                    mostly cloudy (70-80 percent). Chance of rain
                    showers in the afternoon.
Temperature.........Max 71.
RH..................Min 54 percent.
Wind (20 ft)........Breezy. Southeast winds 13 to 22 mph increasing
                    to 23 to 25 mph with gusts to around 37 mph in
                    the afternoon.
Smoke dispersal.....Poor (8900 knot-ft) early in the morning
                    increasing to excellent (106100 knot-ft) in the
                    afternoon increasing to excellent (96200
                    knot-ft) late in the afternoon.
Mixing height.......3900 ft AGL.
Transport winds.....Southeast 18 to 25 mph increasing to 29 to 36
                    mph in the late morning and afternoon.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

$$
Forecaster...Borghoff
Requested by...Ben Carlson
Type of request...PRESCRIBED
.TAG 2413166.0/MPX
.DELDT 05/04/24
.FormatterVersion 2.0.0
.EMAIL benjamin.carlson@tnc.org