####018003802#### FNUS73 KMPX 131412 FWSMPX Spot Forecast for Armbrust WMA...MN DNR National Weather Service Twin Cities/Chanhassen MN 912 AM CDT Mon May 13 2024 Forecast is based on ignition time of 1000 CDT on May 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. Please contact our office if you have questions or concerns with this forecast. .DISCUSSION...Winds will come from the north in the 10-15 mph range with gusts 15-20mph. Temperatures climb into the lower 70s which will help lower RH values to near 30 percent by early this afternoon. RH values bottom out around 25 percent. Expect filtered sunshine with hazy Canadian wildfire smoke. .REST OF TODAY... Sky/weather.........Mostly sunny (35-45 percent). Areas of smoke. Temperature.........62 at ignition...Max 73. RH..................52 percent at ignition...Min 27 percent. Wind (20 ft)........Winds north at 10 mph at ignition...otherwise North winds 10 to 14 mph. Smoke dispersal.....Fair /21000 knot-ft/ at ignition. Max...excellent /94500 knot-ft/. Mixing height.......1600 ft AGL at ignition...otherwise 6300 ft AGL. Transport winds.....North 14 to 17 mph. Haines Index........5 or moderate potential for large plume dominated fire growth at ignition...max 5. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM Sky cover.......MC PC PC PC PC PC PC PC PC PC MCR MCR Weather cov.....ARS ARS ARS ARS ARS ARS ARS ARS Weather type....SMK SMK SMK SMK SMK SMK SMK SMK Tstm cov........ Temp............62 65 68 70 72 72 73 73 73 71 67 63 RH..............52 46 39 33 30 30 29 28 27 29 33 38 20 FT wind dir..N N N N N N N N N N N N 20 FT wind spd..10 12 13 14 14 14 14 14 14 13 10 9 20 FT wind gust.14 15 17 18 18 18 18 17 16 16 15 13 Mix hgt (kft)...1.6 3.0 4.7 5.3 5.9 6.2 6.3 6.2 5.9 5.3 0.5 0.5 Transp wind dir.N N N N N N N N N N N N Transp wind spd.15 14 16 16 16 17 17 17 16 16 14 12 Haines index....5 5 5 4 4 4 4 4 4 4 4 4 .TONIGHT... Sky/weather.........Mostly clear (20-30 percent). Temperature.........Min 46. RH..................Max 79 percent. Wind (20 ft)........Northeast winds 9 to 14 mph. Smoke dispersal.....Excellent (82400 knot-ft) early in the evening decreasing to poor (4500 knot-ft) late in the night. Mixing height.......400 ft AGL. Transport winds.....Northeast 12 to 16 mph shifting to the east around 12 mph early in the morning. Haines Index........4 or low potential for large plume dominated fire growth. .TUESDAY... Sky/weather.........Sunny (20-30 percent). Temperature.........Max 73. RH..................Min 31 percent. Wind (20 ft)........Northeast winds 8 to 10 mph shifting to the east 10 to 12 mph in the afternoon. Smoke dispersal.....Poor (4400 knot-ft) early in the morning increasing to good (51400 knot-ft) in the afternoon. Mixing height.......5100 ft AGL. Transport winds.....East 10 to 14 mph. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. $$ Forecaster...Calderone Requested by...Chad August Type of request...PRESCRIBED .TAG 2413956.0/MPX .DELDT 05/13/24 .FormatterVersion 2.0.0 .EMAIL Chad.august@state.mn.us