Suppression Forecast
Issued by NWS Twin Cities, MN

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3
000
FNUS73 KMPX 171143
FWSMPX

Spot Forecast for Ordway Prairie...The Nature Conservancy
National Weather Service Twin Cities/Chanhassen MN
643 AM CDT Tue Oct 17 2017

Forecast is based on ignition time of 0900 CDT on October 17.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Good drying day with temperatures warming through the lower 70s
and relative humidity lowering to around 30 percent by 3 PM. Winds
will be light west to southwest 10 mph or less in the afternoon.

.REST OF TODAY...

Sky/weather.........Sunny.
Temperature.........47 at ignition...Max 72.
RH..................71 percent at ignition...Min 31 percent.
Wind (20 ft)........Winds west at 3 mph at ignition...otherwise
                    Light winds becoming southwest 5 to 10 mph in
                    the late morning and afternoon.
Mixing height.......900 ft AGL at ignition...otherwise 600-2200 ft
                    AGL.
Transport winds.....South 9 to 17 mph.
Mixing winds........South 9 to 17 mph.
Smoke dispersal.....Poor /7200 knot-ft/ at ignition. Max...good
                    /32900 knot-ft/.
Haines Index........5 or moderate at ignition...max 5.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
Temp............47  52  57  62  66  70  72  72  70  66
RH..............71  61  53  46  40  35  31  31  35  42
20 FT wind dir..W   SW  SW  SW  SW  SW  SW  SW  SW  S
20 FT wind spd..3   4   6   7   8   9   10  10  9   7
20 FT wind gust.5   5   10  10  15  15  15  15  15  10
Mix hgt (kft)...0.9 1.2 1.5 1.9 2.2 1.9 1.5 1.2 0.9 0.6
Transp wind dir.W   W   W   SW  SW  SW  SW  SW  S   S
Transp wind spd.9   12  14  16  17  17  17  17  17  16
Mixing wind dir.W   W   W   SW  SW  SW  SW  SW  S   S
Mixing wind spd.9   12  14  16  17  17  17  17  17  16
Haines index....5   5   5   5   5   5   5   5   5   5
SDspl kt-ft/10007   12  19  26  33  28  23  18  14  8

.TONIGHT...

Sky/weather.........Clear.
Temperature.........Min 47.
RH..................Max 86 percent.
Wind (20 ft)........South winds 5 to 6 mph.
Mixing height.......300 ft AGL.
Transport winds.....South 15 to 17 mph.
Mixing winds........South 15 to 17 mph.
Smoke dispersal.....Poor (3300 knot-ft).

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
Temp............62     57     54     52     50     48
RH..............50     59     66     71     74     80
20 ft wind......S 6    S 6    S 6    S 6    S 6    S 6
20 ft wind gust.10     10     10     10     10     10
Mix hgt (ft)....300    300    300    300    300    300
Transport wind..S 16   S 15   S 15   S 16   S 16   S 16
Mixing wind.....S 16   S 15   S 15   S 16   S 16   S 16
Haines index....5      5      6      6      6      6
SDspl kt-ft/10004      3      3      4      4      4

.WEDNESDAY...

Sky/weather.........Mostly sunny.
Temperature.........Max 68.
RH..................Min 30 percent.
Wind (20 ft)........Northwest winds 8 to 13 mph.
Mixing height.......300-1900 ft AGL increasing to 2100-3600 ft AGL
                    in the late morning and early afternoon, then
                    decreasing to 1100-1600 ft AGL late in the
                    afternoon.
Transport winds.....West 18 to 25 mph.
Mixing winds........West 18 to 25 mph.
Smoke dispersal.....Poor to good (4000-52300 knot-ft) increasing to
                    good to excellent (30800-79400 knot-ft) late in
                    the morning, then decreasing to fair (20300
                    knot-ft) late in the afternoon.
Haines Index........5 to 6 or moderate to or high.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Temp............47     52     60     66     68     64
RH..............86     77     55     40     32     34
20 ft wind......S 7    SW 8   W 10   NW 11  NW 13  NW 11
20 ft wind gust.15     15     15     25     25     20
Mix hgt (ft)....300    1400   2500   3600   2600   1600
Transport wind..S 18   SW 21  W 24   NW 25  NW 24  W 22
Mixing wind.....S 18   SW 21  W 24   NW 25  NW 24  W 22
Haines index....6      6      5      5      5      5
SDspl kt-ft/10004      25     52     79     55     31

$$
Forecaster...WFO MPX
Requested by...Matt Graeve
Type of request...PRESCRIBED
.TAG 1717357.0/MPX
.EMAIL mgraeve@tnc.org



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.