Spot Forecast Issued by NWS Twin Cities, MN
000
FNUS73 KMPX 211328
FWSMPX
Spot Forecast for Swedes Forest SNA...MN DNR
National Weather Service Twin Cities/Chanhassen MN
828 AM CDT Sun Apr 21 2024
Forecast is based on ignition time of 0900 CDT on April 21.
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 Swedes Forest SNA, expect sunny skies with temperatures
near 40 at ignition time. Winds will remain breezy today becoming
10-15mph out of the west by the afternoon. RH near 50 at ignition
will become quite low during the afternoon thanks to warming
temperatures into the low 60s and low dew points, with min RH near
20 percent.
.REST OF TODAY...
Sky/weather.........Sunny (0-5 percent).
Temperature.........41 at ignition...Max 63.
RH..................49 percent at ignition...Min 19 percent.
Wind (20 ft)........Winds west at 9 mph at ignition...otherwise
West winds 9 to 14 mph.
Smoke dispersal.....Fair /15800 knot-ft/ at ignition.
Max...excellent /104800 knot-ft/.
Mixing height.......1100 ft AGL at ignition...otherwise 6600 ft
AGL.
Transport winds.....West 15 to 20 mph.
Haines Index........5 or moderate potential for large plume
dominated fire growth at ignition...max 5.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM
Sky cover.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR
Weather cov.....
Weather type....
Tstm cov........
Temp............41 45 50 54 57 60 62 63 63 62 60 57
RH..............49 43 36 30 24 22 20 19 19 20 21 24
20 FT wind dir..W NW NW W W W W W W W W W
20 FT wind spd..9 10 12 13 14 14 14 13 13 12 10 7
20 FT wind gust.17 15 15 17 20 20 20 18 18 16 14 10
Mix hgt (kft)...1.1 1.4 4.3 5.2 5.8 6.4 6.6 6.6 6.6 6.4 5.3 0.6
Transp wind dir.W W NW NW W W W W W W W W
Transp wind spd.16 15 20 20 20 18 18 17 16 16 14 8
Haines index....5 5 5 5 4 4 4 4 4 4 5 5
.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent) then becoming
mostly cloudy (45-55 percent).
Temperature.........Min 39.
RH..................Max 57 percent.
Wind (20 ft)........West winds 7 to 12 mph shifting to the
southwest 6 to 14 mph in the late evening and
overnight.
Smoke dispersal.....Excellent (89500 knot-ft) early in the evening
decreasing to poor (3200 knot-ft) late in the
night.
Mixing height.......400 ft AGL.
Transport winds.....West 8 to 16 mph shifting to the south 12 to 18
mph late in the evening.
Haines Index........4 to 5 or low to moderate potential for large
plume dominated fire growth.
.MONDAY...
Sky/weather.........Partly sunny (65-75 percent) then becoming
mostly cloudy (70-80 percent). Slight chance of
rain showers early in the afternoon. Chance of
rain showers early in the afternoon, then
slight chance of rain showers late in the
afternoon.
Temperature.........Max 69.
RH..................Min 29 percent.
Wind (20 ft)........South winds 15 to 22 mph shifting to the
southwest 16 to 17 mph late in the afternoon.
$$
Forecaster...Hasenstein
Requested by...Brad Bolduan
Type of request...PRESCRIBED
.TAG 2411588.0/MPX
.DELDT 04/21/24
.FormatterVersion 2.0.0
.EMAIL Brad.Bolduan@state.mn.us