665
FNUS73 KMPX 042122
FWSMPX

Spot Forecast for Osceola Glade Pile Burn...NPS
National Weather Service Twin Cities/Chanhassen MN
322 PM CST Wed Dec 4 2024

Forecast is based on ignition time of 0800 CST on December 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

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

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

.DISCUSSION...Northwesterly winds Thursday morning will be around
10-15 knots sustained with gusts reaching 20-25 knots. However,
winds will gradually slow and turn more westerly throughout the
day with speeds reaching 5 knots by Thursday evening. Highs will
be near 19 with minimum relative humidity values remaining above
60 percent.

.THURSDAY...

Sky/weather.........Sunny (15-25 percent).
Temperature.........11 at ignition...Max 19.
RH..................76 percent at ignition...Min 61 percent.
Wind (20 ft)........Winds northwest at 10 mph at
                    ignition...otherwise Northwest winds 5 to 10
                    mph.
Smoke dispersal.....Fair /14700 knot-ft/ at ignition. Max...fair
                    /27900 knot-ft/.
Mixing height.......1100 ft AGL at ignition...otherwise 2100 ft
                    AGL.
Transport winds.....Northwest 9 to 18 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth at ignition...max 4.

TIME (CST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM
Sky cover.......PC  MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR
Weather cov.....
Weather type....
Tstm cov........
Temp............11  12  15  16  17  18  18  18  19  16  14  12
RH..............76  80  70  70  70  67  67  67  61  70  76  80
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  W   W   W   W   W
20 FT wind spd..10  8   8   8   8   8   8   7   6   5   2   2
20 FT wind gust.20  17  16  15  15  14  13  13  10  9   8   7
Mix hgt (kft)...1.1 1.7 1.9 2.0 2.1 2.1 2.1 2.0 1.0 0.6 0.5 0.4
Transp wind dir.NW  N   N   N   NW  NW  NW  W   W   W   W   W
Transp wind spd.16  18  17  14  13  12  12  10  9   9   9   8
Haines index....4   4   4   4   3   3   3   3   3   3   4   4

.THURSDAY NIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (55-65 percent).
Temperature.........Min 7.
RH..................Max 91 percent.
Wind (20 ft)........Light winds.
Smoke dispersal.....Poor (2900 knot-ft).
Mixing height.......400 ft AGL.
Transport winds.....Southwest 8 to 12 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

$$
Forecaster...Grunzke
Requested by...Eric Anderson
Type of request...PRESCRIBED
.TAG 2427849.0/MPX
.DELDT 12/04/24
.FormatterVersion 2.0.0
.EMAIL eric_anderson@nps.gov