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000
FNUS73 KMPX 250905
FWSMPX

Spot Forecast for Tyrone Pine Ridge Barrens...WI DNR
National Weather Service Twin Cities/Chanhassen MN
405 AM CDT Thu Apr 25 2024

Forecast is based on ignition time of 1100 CDT on April 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

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

.DISCUSSION...For the Tyrone Pine Ridge Barrens, skies will be
mostly sunny today with a few high clouds moving through from
southwest to northeast this afternoon. This will allow highs today
to be in the low to mid 60s. Dry conditions are expected, with
relative humidity values forecasted to be in the 40s this morning
before dropping into the mid-low 30s by the afternoon. South-
southeasterly winds will gradually increase throughout the day,
reaching 13-18 mph sustained by this evening.

.REST OF TODAY...

Sky/weather.........Sunny (5-15 percent).
Temperature.........56 at ignition...Max 64.
RH..................45 percent at ignition...Min 31 percent.
Wind (20 ft)........Winds southeast at 10 mph at
                    ignition...otherwise Southeast winds 10 to 14
                    mph.
Smoke dispersal.....Good /33200 knot-ft/ at ignition.
                    Max...excellent /78000 knot-ft/.
Mixing height.......2600 ft AGL at ignition...otherwise 5200 ft
                    AGL.
Transport winds.....South 15 to 18 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth at ignition...max 5.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P
Sky cover.......CLR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR
Weather cov.....
Weather type....
Tstm cov........
Temp............56  58  61  63  63  63  64  63  62  59  54  52
RH..............45  40  35  32  32  32  31  31  33  36  45  46
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..10  12  13  13  13  13  14  13  13  12  13  13
20 FT wind gust.17  17  18  18  20  20  20  21  20  20  22  23
Mix hgt (kft)...2.6 4.0 4.9 5.1 5.2 4.9 4.8 4.4 1.3 0.7 0.5 0.5
Transp wind dir.S   S   S   S   S   S   S   S   S   SE  SE  SE
Transp wind spd.15  15  16  16  17  17  18  20  16  16  15  16
Haines index....4   4   5   5   5   5   5   5   5   5   5   5

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    mostly cloudy (55-65 percent). Slight chance of
                    rain showers after 3 am.
Temperature.........Min 43.
RH..................Max 70 percent.
Wind (20 ft)........Southeast winds 12 to 16 mph with gusts to
                    around 28 mph.
Smoke dispersal.....Excellent (75200 knot-ft) early in the evening
                    decreasing to poor (6900 knot-ft) late in the
                    night.
Mixing height.......500 ft AGL.
Transport winds.....Southeast 15 to 20 mph.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

.FRIDAY...

Sky/weather.........Mostly cloudy (75-85 percent). Rain showers
                    likely in the morning, then rain showers and
                    slight chance of thunderstorms in the
                    afternoon.
Temperature.........Max 58.
RH..................Min 59 percent.
Wind (20 ft)........Southeast winds 17 to 21 mph with gusts to
                    around 36 mph. Gusty and erratic winds expected
                    near thunderstorms late in the afternoon.
Smoke dispersal.....Poor (12200 knot-ft) early in the morning
                    increasing to excellent (80500 knot-ft) in the
                    afternoon.
Mixing height.......2800 ft AGL.
Transport winds.....Southeast 18 to 25 mph increasing to 26 to 33
                    mph in the late morning and afternoon.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

$$
Forecaster...Dettmann
Requested by...Andrew Ciurro
Type of request...PRESCRIBED
.TAG 2412301.0/MPX
.DELDT 04/25/24
.FormatterVersion 2.0.0
.EMAIL andrew.ciurro@wisconsin.gov