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000
FNUS73 KMPX 111526
FWSMPX

Spot Forecast for Gemmill Rx Burn...Martin County Pheasants Forever
National Weather Service Twin Cities/Chanhassen MN
1026 AM CDT Thu Apr 11 2024

Forecast is based on ignition time of 1100 CDT on April 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

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

.DISCUSSION...
For Gemmill RX Burn, Northwesterly winds will be breezy today with
gusts reaching 25 to 35 mph. Wind speeds will peak after 2pm. There
will be scattered showers likely at the start of the burn and perhaps
a thunderstorm possible this afternoon. However, temperatures are
in the upper 40s and forecast to peak in the mid 50s this afternoon.
This will help our relative humidities stay at or above 50 percent.
Any shower should be rather light with only a few hundredths of
precipitation forecast.


.REST OF TODAY...

Sky/weather.........Mostly cloudy (65-75 percent). Scattered rain
                    showers late in the morning, then slight chance
                    of rain showers early in the afternoon. Chance
                    of rain showers late in the afternoon.
Temperature.........48 at ignition...Max 56.
RH..................74 percent at ignition...Min 50 percent.
Wind (20 ft)........Winds northwest at 23 mph at
                    ignition...otherwise Breezy. Northwest winds 23
                    to 28 mph.
Smoke dispersal.....Excellent /66800 knot-ft/ at ignition.
                    Max...excellent /153900 knot-ft/.
Mixing height.......2800 ft AGL at ignition...otherwise 5000 ft
                    AGL.
Transport winds.....Northwest 28 to 36 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth at ignition...max 4.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P
Sky cover.......MC  MC  MC  MC  MC  MC  MC  MC  PC  PC  PC  PC
Weather cov.....SCT CHC SCH SCH CHC CHC CHC SCH     SCH
Weather type....RW  RW  RW  RW  RW  RW  RW  RW      RW
Tstm cov........
Temp............48  49  51  53  54  55  54  54  53  49  47  46
RH..............74  71  63  57  54  51  52  50  52  61  65  68
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..23  23  24  26  26  28  28  25  22  21  18  18
20 FT wind gust.30  31  32  32  33  35  33  33  33  31  31  31
Mix hgt (kft)...2.8 3.5 4.2 4.2 4.2 4.8 5.0 4.4 2.5 1.1 1.1 1.2
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.28  29  31  31  31  33  36  35  30  24  23  25
Haines index....3   3   4   4   4   4   4   4   3   3   3   3

.TONIGHT...

Sky/weather.........Mostly cloudy (50-60 percent) then becoming
                    mostly clear (15-25 percent). Slight chance of
                    rain showers early in the evening. Slight
                    chance of rain showers early in the evening.
Temperature.........Min 37.
RH..................Max 85 percent.
Wind (20 ft)........Breezy. Northwest winds 16 to 25 mph decreasing
                    to around 15 mph after 3 am.
Smoke dispersal.....Excellent (66000 knot-ft) decreasing to fair
                    (13100 knot-ft) early in the evening.
Mixing height.......700 ft AGL.
Transport winds.....Northwest 30 to 35 mph decreasing to 20 to 25
                    mph early in the evening.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

.FRIDAY...

Sky/weather.........Sunny (0-5 percent).
Temperature.........Max 60.
RH..................Min 33 percent.
Wind (20 ft)........Northwest winds 14 to 20 mph.
Smoke dispersal.....Poor (11200 knot-ft) early in the morning
                    increasing to excellent (110000 knot-ft) in the
                    afternoon.
Mixing height.......5300 ft AGL.
Transport winds.....Northwest 18 to 26 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

$$
Forecaster...Hewett
Requested by...Bryan Gregor
Type of request...PRESCRIBED
.TAG 2410379.0/MPX
.DELDT 04/11/24
.FormatterVersion 2.0.0
.EMAIL bgregor158@gmail.com