Spot Forecast
Issued by NWS Twin Cities, MN

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FNUS73 KMPX 151922
FWSMPX

Spot Forecast for Burn Unit 10...US FWS
National Weather Service Twin Cities/Chanhassen MN
222 PM CDT Fri Mar 15 2024

Forecast is based on ignition time of 1400 CDT on March 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

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

.DISCUSSION...West winds around 15 mph will continue this
afternoon with a few gusts to 25 mph, but gusts will become more
frequent this evening, especially after 8 PM.

.REST OF TODAY...

Sky/weather.........Partly sunny (50-60 percent).
Temperature.........48 at ignition...Max 52.
RH..................49 percent at ignition...Min 42 percent.
Wind (20 ft)........Winds west at 15 mph at ignition...otherwise
                    West winds 14 to 15 mph.
Smoke dispersal.....Excellent /69500 knot-ft/ at ignition.
                    Max...excellent /82000 knot-ft/.
Mixing height.......4300 ft AGL at ignition...otherwise 4300 ft
                    AGL.
Transport winds.....West 18 to 23 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth at ignition...max 4.

TIME (CDT)      2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM
Sky cover.......MC  MC  PC  PC  PC  MC  MC  MC  MC  MC  MC  MC
Weather cov.....
Weather type....
Tstm cov........
Temp............48  49  50  50  50  48  47  46  46  46  46  46
RH..............49  46  44  42  42  42  42  43  43  43  42  43
20 FT wind dir..W   W   W   W   SW  SW  SW  SW  SW  SW  W   W
20 FT wind spd..15  14  14  14  14  14  14  16  17  18  18  17
20 FT wind gust.18  18  20  21  21  22  22  25  28  30  29  28
Mix hgt (kft)...4.3 4.2 4.0 4.1 4.0 1.1 0.7 0.7 0.9 1.0 1.0 0.9
Transp wind dir.W   W   W   W   W   SW  SW  SW  W   W   W   W
Transp wind spd.18  20  21  23  24  18  18  20  22  23  23  21
Haines index....4   4   4   4   4   5   5   5   5   5   5   4

.TONIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (75-85 percent).
Temperature.........Min 35.
RH..................Max 75 percent.
Wind (20 ft)........Southwest winds 14 to 18 mph shifting to the
                    northwest around 14 mph after 3 am. Gusts up to
                    30 mph.
Smoke dispersal.....Excellent (86100 knot-ft) early in the evening
                    decreasing to poor (10400 knot-ft) late in the
                    night.
Mixing height.......700 ft AGL.
Transport winds.....West 18 to 24 mph.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

.SATURDAY...

Sky/weather.........Partly sunny (60-70 percent).
Temperature.........Max 43.
RH..................Min 39 percent.
Wind (20 ft)........Northwest winds 15 to 22 mph.
Smoke dispersal.....Good (34500 knot-ft) early in the morning
                    increasing to excellent (139000 knot-ft) in the
                    afternoon increasing to excellent (144800
                    knot-ft) late in the afternoon.
Mixing height.......5500 ft AGL.
Transport winds.....Northwest 23 to 32 mph increasing to 32 to 33
                    mph late in the afternoon.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

$$
Forecaster...Borghoff
Requested by...Robert Bengson
Type of request...PRESCRIBED
.TAG 2406994.0/MPX
.DELDT 03/15/24
.FormatterVersion 2.0.0
.EMAIL Robert_Bengson@fws.gov


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