418
FNUS73 KMPX 181227
FWSMPX

Spot Forecast for MHHC Unit #1...PLFD
National Weather Service Twin Cities/Chanhassen MN
727 AM CDT Fri Apr 18 2025

Forecast is based on ignition time of 1000 CDT on April 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

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

.DISCUSSION...Northwest winds up to 10 mph, moderate humidity,
and deep mixing/excellent dispersal expected.

.SATURDAY...

Sky/weather.........Sunny (0-10 percent).
Temperature.........42 at ignition...Max 54.
RH..................57 percent at ignition...Min 36 percent.
Wind (20 ft)........Winds northwest at 7 mph at
                    ignition...otherwise Northwest winds 6 to 9
                    mph.
Smoke dispersal.....Good /47400 knot-ft/ at ignition.
                    Max...excellent /67400 knot-ft/.
Mixing height.......3400 ft AGL at ignition...otherwise 5800 ft
                    AGL.
Transport winds.....Northwest 10 to 17 mph.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
Sky cover.......CLR CLR CLR MCR MCR MCR MCR MCR CLR CLR CLR CLR
Weather cov.....
Weather type....
Tstm cov........
Temp............42  44  46  49  51  52  54  53  53  53  50  47
RH..............57  53  49  44  41  39  36  38  39  38  42  49
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  N   N   E
20 FT wind spd..7   8   8   9   8   8   7   6   6   5   3   2
20 FT wind gust.14  15  16  17  16  15  14  12  10  8   7   6
Mix hgt (kft)...3.4 4.3 4.8 5.3 5.5 5.6 5.8 5.2 4.5 3.9 2.5 1.2
Transp wind dir.N   NW  NW  NW  NW  NW  NW  NW  NW  NW  N   E
Transp wind spd.16  17  16  14  13  13  12  10  8   7   7   7

.SATURDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent).
Temperature.........Min 34.
RH..................Max 78 percent.
Wind (20 ft)........Northwest winds 5 to 6 mph early in the evening
                    becoming light, then becoming southeast around
                    5 mph after 3 am.
Smoke dispersal.....Good (31700 knot-ft) early in the evening
                    decreasing to poor (500 knot-ft) late in the
                    night.
Mixing height.......100 ft AGL.
Transport winds.....Northwest 7 to 8 mph shifting to the east 7 to
                    13 mph in the late evening and overnight.

$$
Forecaster...Borghoff
Requested by...Andy Wolfram
Type of request...PRESCRIBED
.TAG 2510991.0/MPX
.DELDT 04/18/25
.FormatterVersion 2.0.0
.EMAIL awolfram@hotmail.com