


Suppression Forecast
Issued by NWS Springfield, MO
Issued by NWS Springfield, MO
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879 FNUS73 KSGF 111449 FWSSGF Spot Forecast for Busiek Purple Trail Burn Unit...MO Dept of Conservation National Weather Service Springfield MO 949 AM CDT Tue Mar 11 2025 Forecast is based on ignition time of 0800 CDT on March 13. If conditions become unrepresentative...contact the National Weather Service. Please contact our office at 1-800-762-4363, if you have questions or concerns with this forecast. .DISCUSSION... Confidence is high that Thursday afternoon RH values will drop below 40 percent however not as confident if they will drop below 30 percent. Skies will become mostly clear through the day. Winds will remain out of the south however there could be a slight southeast component early in the day. Speeds do look to remain light however, around 10mph. Winds will vary somewhat in valleys and southern facing slopes with some funneling perhaps creating higher speeds component. .THURSDAY... Sky/weather.........Sunny (10-20 percent). Chance of pcpn......0 percent. Temperature.........53 at ignition...Max 79. RH..................92 percent at ignition...Min 39 percent. Wind (20 ft)........Winds southwest at 1 mph at ignition...otherwise Light winds. Mixing height.......600 ft AGL at ignition...otherwise 4500 ft AGL. Mixing height (m)...600 meters AGL at ignition...otherwise 183-1372 meters AGL. Transport winds.....Southwest 8 to 9 mph shifting to the south 8 to 14 mph in the afternoon. Transport winds m/s.South 4 to 6 meters/second. Smoke dispersal.....Poor /4500 knot-ft/ at ignition. Max...good /54100 knot-ft/. Haines Index........5 or moderate potential for large plume dominated fire growth at ignition...max 5. Pcpn amount.........0.00 inches. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........27 20 14 13 12 11 10 8 7 11 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 Temp............53 57 61 66 70 74 77 79 79 78 RH..............92 87 78 66 57 50 44 41 39 40 20 FT wind dir..SW SW SW S S S S S S S 20 FT wind spd..1 2 2 2 3 3 3 3 3 3 20 FT wind gust.6 6 7 8 8 9 10 12 12 12 Mix hgt (kft)...0.6 0.8 1.2 1.8 2.5 3.1 3.9 4.5 4.5 3.5 Mix hgt (km)....0.2 0.2 0.4 0.5 0.8 0.9 1.2 1.4 1.4 1.1 Transp wind dir.W SW SW SW S S S S S S Transp wind spd.8 9 9 8 8 8 10 13 14 14 Trans wind dir..W SW SW SW S S S S S S Trans spd (m/s).4 4 4 4 4 4 4 6 6 6 Haines index....5 5 5 5 5 5 5 5 5 5 Vrate kt-ft/1K..5 7 10 13 17 22 35 49 54 42 Ventrate Cat....PR PR PR PR PR PR PR FR FR FR .THURSDAY NIGHT... Sky/weather.........Partly cloudy (20-30 percent). Chance of pcpn......0 percent. Temperature.........Min 53. RH..................Max 88 percent. Wind (20 ft)........Southeast winds 5 to 6 mph. Mixing height.......500 ft AGL. Mixing height (m)...152-610 meters AGL. Transport winds.....South 12 to 15 mph. Transport winds m/s.South 5 to 7 meters/second. Smoke dispersal.....Fair (22200 knot-ft) early in the evening decreasing to poor (4700 knot-ft) late in the night. Haines Index........5 to 6 or moderate to high potential for large plume dominated fire growth. Pcpn amount.........0.00 inches. TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........16 20 25 31 36 37 37 38 32 25 19 17 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............77 74 71 68 65 63 61 60 58 57 56 55 RH..............42 46 51 57 63 67 71 75 79 80 83 88 20 FT wind dir..SE SE SE SE SE SE SE SE SE SE SE SE 20 FT wind spd..5 5 5 6 6 6 6 6 6 7 7 7 20 FT wind gust.10 10 10 12 13 14 14 15 16 16 17 17 Mix hgt (kft)...2.0 0.8 0.5 0.5 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 Mix hgt (km)....0.6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 Transp wind dir.S SE SE S S S S S S S SE SE Transp wind spd.13 12 12 13 14 14 15 15 15 15 15 15 Trans wind dir..S SE SE S S S S S S S SE SE Trans spd (m/s).6 5 5 6 6 6 7 7 7 7 7 7 Haines index....5 5 5 5 5 5 5 6 6 6 6 6 Vrate kt-ft/1K..22 8 5 6 9 9 9 10 10 10 10 9 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR .FRIDAY... Sky/weather.........Sunny (10-20 percent). Chance of rain showers and slight chance of thunderstorms in the afternoon. Chance of pcpn......50 percent. Temperature.........Max 78. RH..................Min 36 percent. Wind (20 ft)........Southeast winds 7 to 15 mph with gusts to around 30 mph shifting to the south 17 to 20 mph with gusts to around 36 mph in the afternoon. Gusty and erratic winds expected near thunderstorms in the afternoon. Mixing height.......7900 ft AGL. Mixing height (m)...213-2408 meters AGL. Transport winds.....South 15 to 22 mph increasing to 38 to 43 mph. Transport winds m/s.South 7 to 19 meters/second decreasing to 8 to 12 meters/second early in the morning, then increasing to 15 to 18 meters/second early in the afternoon increasing to around 19 meters/second late in the afternoon. Smoke dispersal.....Poor (9400 knot-ft) early in the morning increasing to excellent (66600 knot-ft) in the afternoon increasing to excellent (233000 knot-ft). Haines Index........5 to 6 or moderate to high potential for large plume dominated fire growth. Pcpn amount.........0.11 inches. TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........15 13 11 9 7 13 20 26 23 20 17 25 Weather cov..... CHC CHC CHC CHC CHC Weather type.... RW RW RW RW RW Tstm cov........ SCH SCH SCH SCH SCH Chc of pcpn (%).0 0 0 0 0 0 0 50 50 50 50 50 Temp............54 54 56 60 64 68 72 75 77 78 77 74 RH..............88 86 79 72 63 52 46 40 37 36 37 41 20 FT wind dir..SE SE SE SE SE S S S S S S S 20 FT wind spd..8 9 10 12 14 16 18 20 21 22 22 20 20 FT wind gust.18 20 22 25 28 30 32 33 35 36 36 35 Mix hgt (kft)...0.7 0.8 0.9 1.1 1.7 2.9 4.4 5.8 6.7 7.3 7.9 M Mix hgt (km)....0.2 0.2 0.3 0.3 0.5 0.9 1.3 1.8 2.0 2.2 2.4 M Transp wind dir.SE SE S S S S S S S S S M Transp wind spd.15 16 17 18 22 26 33 38 40 41 43 M Trans wind dir..SE SE S S S S S S S S S M Trans spd (m/s).7 7 8 8 10 12 15 17 18 18 19 M Haines index....6 6 6 6 6 6 6 5 5 5 5 5 Vrate kt-ft/1K..9 11 13 18 32 67 127 191 233 264 291 M Ventrate Cat....PR PR PR PR PR GD VGD EXL EXL EXL EXL M $$ Forecaster...Burchfield Requested by...District Supervisor Type of request...PRESCRIBED .TAG 2505869.0/SGF .DELDT 03/11/25 .FormatterVersion 2.0.0 .EMAIL Paul.johnson@mdc.mo.gov