Text Products for FWS Issued by MPX

Spot Forecast
Issued by NWS Twin Cities, MN
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FNUS73 KMPX 250909
FWSMPX

Spot Forecast for Willow River SP Rx Burn...WI DNR
National Weather Service Twin Cities/Chanhassen MN
409 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 Willow River SP Rx Burn, 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 mid to upper 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 (10-20 percent).
Temperature.........57 at ignition...Max 64.
RH..................42 percent at ignition...Min 32 percent.
Wind (20 ft)........Winds south at 12 mph at ignition...otherwise
                    Southeast winds 12 to 15 mph.
Smoke dispersal.....Good /37900 knot-ft/ at ignition.
                    Max...excellent /96400 knot-ft/.
Mixing height.......2400 ft AGL at ignition...otherwise 5500 ft
                    AGL.
Transport winds.....South 18 to 22 mph.
Haines Index........5 or moderate 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.......MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR
Weather cov.....
Weather type....
Tstm cov........
Temp............57  60  62  63  64  64  64  63  62  59  55  53
RH..............42  39  35  34  32  34  34  35  36  37  43  46
20 FT wind dir..S   SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..12  14  15  15  15  15  15  14  14  14  14  15
20 FT wind gust.20  20  21  22  23  23  22  21  21  22  22  24
Mix hgt (kft)...2.4 4.0 5.0 5.4 5.5 5.2 4.9 4.4 2.0 0.8 0.7 0.6
Transp wind dir.S   S   S   S   S   S   SE  SE  SE  SE  SE  SE
Transp wind spd.18  20  20  21  20  21  22  23  22  20  18  18
Haines index....5   5   5   5   5   5   5   5   5   5   5   5

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent) then becoming
                    mostly cloudy (45-55 percent) then becoming
                    partly cloudy (45-55 percent) then becoming
                    mostly cloudy (60-70 percent). Slight chance of
                    rain showers overnight. Chance of rain showers
                    after 3 am.
Temperature.........Min 44.
RH..................Max 70 percent.
Wind (20 ft)........Southeast winds 14 to 18 mph with gusts to
                    around 30 mph.
Smoke dispersal.....Excellent (88500 knot-ft) early in the evening
                    decreasing to poor (10000 knot-ft) late in the
                    night.
Mixing height.......600 ft AGL.
Transport winds.....Southeast 18 to 23 mph.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

.FRIDAY...

Sky/weather.........Mostly cloudy (80-90 percent). Rain showers
                    likely in the morning, then rain showers and
                    chance of thunderstorms in the afternoon.
Temperature.........Max 56.
RH..................Min 60 percent.
Wind (20 ft)........Southeast winds 20 to 24 mph with gusts to
                    around 39 mph. Gusty and erratic winds expected
                    near thunderstorms early in the afternoon.
                    Gusty and erratic winds expected near
                    thunderstorms late in the afternoon.
Smoke dispersal.....Fair (19100 knot-ft) early in the morning
                    increasing to excellent (75500 knot-ft) in the
                    afternoon.
Mixing height.......2500 ft AGL.
Transport winds.....Southeast 25 to 33 mph increasing to 30 to 35
                    mph in the afternoon.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

$$
Forecaster...Dettmann
Requested by...Jed Hopp
Type of request...PRESCRIBED
.TAG 2412342.0/MPX
.DELDT 04/25/24
.FormatterVersion 2.0.0
.EMAIL Jed.Hopp@WI.gov
National Weather Service Weather Forecast Office
