Suppression Forecast
Issued by NWS Twin Cities, MN

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495
FNUS73 KMPX 251347
FWSMPX

Spot Forecast for Center Range...Dept of Military Affairs
National Weather Service Twin Cities/Chanhassen MN
847 AM CDT Wed Apr 25 2018

Forecast is based on ignition time of 1100 CDT on April 25.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Southwest winds increasing to 5-10 mph this afternoon with lowest
RH of 20% after 3 PM.

.REST OF TODAY...

Sky/weather.........Sunny.
Temperature.........48 at ignition...Max 61.
RH..................37 percent at ignition...Min 20 percent after 3 pm.
Wind (20 ft)........Winds southwest at 5 mph at
                    ignition...otherwise Southwest winds 5 to 7
                    mph.
Mixing height.......3200 ft AGL at ignition...otherwise 3200-5000
                    ft AGL.
Transport winds.....West 7 to 16 mph increasing to 17 to 18 mph
                    late in the afternoon.
Mixing winds........West 7 to 16 mph increasing to 17 to 18 mph
                    late in the afternoon.
Smoke dispersal.....Fair /19000 knot-ft/ at ignition.
                    Max...excellent /67200 knot-ft/ increasing to
                    excellent (73100 knot-ft) late in the
                    afternoon.
Haines Index........4 or low at ignition...max 4.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Temp............48  50  53  56  58  60  61  61
RH..............37  34  28  23  22  21  20  21
20 FT wind dir..SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..5   6   6   6   7   7   7   7
20 FT wind gust.            10  10  10  15  15
Mix hgt (kft)...3.2 3.9 4.6 4.6 4.7 4.8 4.9 5.0
Transp wind dir.W   W   W   W   W   W   W   W
Transp wind spd.7   9   10  12  14  16  17  18
Mixing wind dir.W   W   W   W   W   W   W   W
Mixing wind spd.7   9   10  12  14  16  17  18
Haines index....4   3   3   3   3   4   4   4
SDspl kt-ft/100019  31  41  46  57  67  73  79

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of rain early in the morning. Chance of
                    rain 30 percent.
Temperature.........Min 39.
RH..................Max 79 percent.
Wind (20 ft)........West winds 5 to 7 mph shifting to the northwest
                    early in the morning.
Mixing height.......3400-5000 ft AGL decreasing to 300-500 ft AGL.
Transport winds.....Northwest 14 to 22 mph.
Mixing winds........Northwest 14 to 22 mph.
Smoke dispersal.....Good to excellent (36900-85500 knot-ft)
                    decreasing to poor to fair (3000-23900 knot-ft)
                    in the late evening and overnight.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
Temp............60     52     45     42     40     39
RH..............23     36     47     57     67     73
20 ft wind......SW 7   SW 6   SW 6   SW 6   SW 6   W 6
20 ft wind gust.15                                 10
Mix hgt (ft)....5000   3400   1800   300    400    500
Transport wind..SW 20  SW 17  SW 15  SW 14  W 16   NW 20
Mixing wind.....SW 20  SW 17  SW 15  SW 14  W 16   NW 20
Haines index....4      4      4      4      4      3
SDspl kt-ft/100086     52     24     3      5      8

.THURSDAY...

Sky/weather.........Partly sunny then becoming sunny. Chance of
                    rain in the morning. Chance of rain 30 percent.
Temperature.........Max 55.
RH..................Min 30 percent.
Wind (20 ft)........Northwest winds 8 to 13 mph. Gusts up to 25
                    mph.
Mixing height.......600-2100 ft AGL increasing to 5000-5700 ft AGL.
Transport winds.....Northwest 23 to 26 mph.
Mixing winds........Northwest 23 to 26 mph.
Smoke dispersal.....Poor to excellent (11900-61300 knot-ft)
                    increasing to excellent (77400 knot-ft) in the
                    late morning and afternoon.
Haines Index........3 to 4 or very low to or low.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Temp............41     44     48     50     53     55
RH..............73     68     56     44     35     30
20 ft wind......NW 8   N 11   N 13   N 13   N 13   NW 12
20 ft wind gust.15     25     25     25     25     25
Mix hgt (ft)....600    2100   3500   5000   5300   5600
Transport wind..N 23   N 25   N 25   N 25   N 26   N 25
Mixing wind.....N 23   N 25   N 25   N 25   N 26   N 25
Haines index....3      3      3      3      3      4
SDspl kt-ft/100012     45     77     110    121    122

$$
Forecaster...WFO MPX
Requested by...Jason Linkert
Type of request...PRESCRIBED
.TAG 1807797.0/MPX
.EMAIL jason.d.linkert.nfg@mail.mil



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