Spot Forecast
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
Versions:
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431 FNUS73 KLSX 261240 FWSLSX Spot Forecast for Schwede Rd Entrance Prairie...St. Charles County Parks and Recreation National Weather Service Saint Louis MO 740 AM CDT Thu Sep 26 2024 Forecast is based on ignition time of 1100 CDT on September 26. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Winds out of the north/northeast will pick up to around 10 mph this afternoon after beginning light/variable. Minimum afternoon humidity values are expected to drop to near 45-50 percent. Widespread light rain is expected to move in by Friday morning. .REST OF TODAY... Sky/weather.........Mostly sunny (25-35 percent). Chance of pcpn......0 percent. LAL.................No Tstms. Temperature.........73 at ignition...Max 78. RH..................59 percent at ignition...Min 47 percent. Wind (20 ft)........Winds northeast at 6 mph at ignition...otherwise Northeast winds 6 to 8 mph. Eye level winds.....Winds northeast around 2-3 mph at ignition, increasing to 3-4 mph by afternoon. Haines Index........3 or very low potential for large plume dominated fire growth at ignition...max 4. Mixing height.......2400 ft AGL at ignition...otherwise max 5600 ft AGL. Transport winds.....Northeast 10 to 15 mph. Smoke dispersal.....Poor /3460 m/s-m/ at ignition. Max...good /10590 m/s-m/. TIME (CDT) 11 AM 1 PM 3 PM 5 PM 7 PM 9 PM Sky (%).........19 32 36 36 38 48 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ CWR.............0 0 0 0 0 10 LAL.............1 1 1 1 1 1 Temp............73 76 77 76 71 65 RH..............59 52 48 50 59 73 20 ft wind......NE 6 N 7 N 8 NE 7 N 4 N 5 20 ft wind gust.10 13 15 13 9 9 Eye level wind..NE 3 N 3 N 4 NE 3 N 2 N 2 Eye lvl wnd gst.5 6 7 6 4 4 Mix hgt (kft)...2.4 5.4 5.1 3.6 0.7 0.5 Transport wind..NE 10 NE 14 NE 15 N 13 N 10 N 10 Haines index....3 4 4 4 4 3 Vrate kt-ft/1K..22 64 66 40 6 4 Ventrate Cat....POOR GOOD GOOD POOR POOR POOR $$ Forecaster...Gosselin Requested by...Chuck Collins Type of request...PRESCRIBED .TAG 2423076.0/LSX .DELDT 09/26/24 .FormatterVersion 2.0.0