Spot Forecast
Issued by NWS La Crosse, WI
Issued by NWS La Crosse, WI
304 FNUS73 KARX 281046 FWSARX Spot Forecast for Silver Creek NW Rx...Wisconsin DNR National Weather Service La Crosse WI 546 AM CDT Sat Sep 28 2024 Forecast is based on ignition time of 1000 CDT on September 28. If conditions become unrepresentative...contact the National Weather Service. Please contact our office at (608) 784-8292 if you have questions or concerns with this forecast. .DISCUSSION...It will be sunny with afternoon humidities in the mid-30s. Winds will be northeast (from 45 degrees) at 5 to 10 mph with wind gusts of 10 to 15 mph. Similar conditions are expected on Sunday, but the winds will be east northeast (from 60 degrees). Smoke dispersion will start as fair to poor and then quickly improve to good. .TODAY... Sky/weather.........Sunny (0-5 percent). CWR.................0 percent. Temperature.........67 at ignition...Max 81. RH..................65 percent at ignition...Min 39 percent. Wind (20 ft)........Winds northeast at 5 mph. Mixing height.......1300 ft AGL at ignition...otherwise 2900 ft AGL increasing to 4200 ft AGL in the afternoon. Transport winds.....Northeast 13 to 16 mph. Smoke dispersal.....Fair /13900 knot-ft/ at ignition. Max...good /59100 knot-ft/. 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 Sky (%).........0 0 1 1 2 0 2 3 Weather cov..... Weather type.... Tstm cov........ CWR.............0 0 0 0 0 0 0 0 Temp............67 72 74 78 79 80 81 79 RH..............65 53 51 43 42 41 39 42 20 FT wind dir..NE NE NE NE NE NE NE NE 20 FT wind spd..5 5 5 6 6 6 5 5 20 FT wind gust.11 13 13 14 14 14 14 12 Mix hgt (kft)...1.3 2.1 2.9 3.5 3.6 4.1 4.2 4.1 Transp wind dir.NE NE NE NE NE N N N Transp wind spd.13 14 15 15 15 15 16 15 Haines index....5 5 5 4 4 4 4 4 SDspl kt-ft/100014 26 38 45 47 53 59 53 .TONIGHT... Sky/weather.........Clear (0-10 percent). CWR.................0 percent. Temperature.........Min 50. RH..................Max 100 percent. Wind (20 ft)........Light winds. Mixing height.......400 ft AGL. Transport winds.....Northeast 7 to 10 mph. Smoke dispersal.....Poor (2700 knot-ft). Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........2 2 1 5 4 3 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ CWR.............0 0 0 0 0 0 Temp............78 68 63 59 57 54 RH..............45 68 84 90 90 100 20 ft wind......NE 4 NE 2 NE 2 NE 2 NE 2 NE 2 20 ft wind gust.11 7 6 6 6 7 Mix hgt (ft)....600 400 400 400 400 400 Transport wind..NE 9 NE 7 E 8 E 8 NE 9 NE 10 Haines index....4 4 4 4 5 5 SDspl kt-ft/10005 3 3 3 4 4 .SUNDAY... Sky/weather.........Sunny (0-10 percent). CWR.................0 percent. Temperature.........Max 80. RH..................Min 38 percent. Wind (20 ft)........Light winds becoming northeast around 5 mph in the late morning and afternoon, then becoming light late in the afternoon. Mixing height.......1900 ft AGL increasing to 4000 ft AGL in the afternoon. Transport winds.....East 10 to 16 mph. Smoke dispersal.....Poor (3800 knot-ft) early in the morning increasing to good (47500 knot-ft) in the afternoon. Haines Index........5 or moderate potential for large plume dominated fire growth. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........5 0 0 2 3 2 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ CWR.............0 0 0 0 0 0 Temp............53 55 66 73 77 79 RH..............93 86 58 48 42 38 20 ft wind......NE 2 NE 3 NE 5 NE 5 NE 5 NE 5 20 ft wind gust.8 11 12 13 13 13 Mix hgt (ft)....400 500 1400 2600 3500 4000 Transport wind..NE 10 NE 10 E 15 E 16 E 15 E 14 Haines index....5 5 5 5 5 5 SDspl kt-ft/10004 4 18 36 45 48 $$ Forecaster...JSB Requested by...Darren Ladwig Type of request...PRESCRIBED .TAG 2423141.0/ARX .DELDT 09/28/24 .FormatterVersion 2.0.0 .EMAIL Darren.Ladwig@wisconsin.gov