####018007393#### FNUS73 KDVN 251227 FWSDVN Spot Forecast for Case...USFWS National Weather Service Quad Cities IA/IL 727 AM CDT Thu Apr 25 2024 Forecast is based on ignition time of 0800 CDT on April 25. If conditions become unrepresentative...contact the National Weather Service Quad Cities at (563) 386-3815. .DISCUSSION... A dry low humidity day today with increasing southeasterly winds. Then rain chances and stronger winds will ramp up late tonight and especially on Friday ahead of a large storm system moving across the plains and Midwest. The Grassland Fire Danger Index -GFDI- does not account for precipitation that occurs or any snow on the ground. Please make appropriate adjustments. .REST OF TODAY... Sky/weather.........Mostly sunny (40-50 percent). Chance of pcpn......10 percent. LAL.................No Tstms. Begin/end of pcpn...None. Max temperature.....Around 64. Min humidity........30 percent. Min apparent temp...38. Eye level winds.....Southeast winds 8 to 10 mph with gusts to around 17 mph. Wind shift..........None. Wind (20 ft)........Southeast winds 13 to 17 mph with gusts to around 28 mph late morning and afternoon. Mixing height.......4000 ft AGL. Transport winds.....Southeast 17 to 22 mph. GFDI................1. Haines Index........4 to 5 or low to moderate potential for large plume dominated fire growth. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........60 52 45 38 41 44 48 52 46 31 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 10 LAL.............1 1 1 1 1 1 1 1 1 1 Temp............44 48 52 56 59 61 63 64 64 64 RH..............70 60 54 47 42 38 34 31 31 30 Aparnt tmp (F)..38 42 52 56 59 61 63 64 64 64 20 FT wind dir..SE SE SE SE SE SE SE SE SE SE 20 FT wind spd..13 14 15 16 16 17 17 17 17 16 20 FT wind gust.21 22 24 25 26 28 28 28 28 26 Eye lvl wnd dir.SE SE SE SE SE SE SE SE SE SE Eye lvl wnd spd.8 8 9 10 10 10 10 10 10 10 Eye lvl wnd gst.13 13 14 15 16 17 17 17 17 16 Mix hgt (kft)...1.1 1.3 1.9 2.4 2.9 3.5 3.7 3.8 4.0 4.0 Transp wind dir.S S SE SE SE SE SE SE SE SE Transp wind spd.17 18 21 20 21 20 21 21 22 21 GFDI............0 0 0 0 0 1 1 1 1 1 Haines index....4 4 4 4 4 5 5 5 5 5 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent) then becoming mostly cloudy (70-80 percent). Chance of showers and thunderstorms after 3 am. Chance of pcpn......40 percent. LAL.................No Tstms until 0400, then 1-8 strikes. Begin/end of pcpn...Begin around 3 or 4 am. Min temperature.....Around 47. Max humidity........83 percent. Max apparent temp...64. Eye level winds.....Southeast winds 8 to 12 mph with gusts to around 19 mph. Wind shift..........Gusty and erratic winds in/near thunderstorms. Wind (20 ft)........Southeast winds 14 to 20 mph with gusts to around 32 mph. Gusty and erratic winds expected near thunderstorms after 3 am. Mixing height.......500 ft AGL. Transport winds.....Southeast 18 to 25 mph. GFDI................0. Haines Index........3 to 5 or very low to moderate potential for large plume dominated fire growth. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........30 23 40 58 63 92 Weather cov..... CHANCE Weather type....NONE NONE NONE NONE NONE RNSHWR Tstm cov........ CHANCE Chc of pcpn (%).0 10 10 10 10 30 LAL.............1 1 1 1 1 2 Temp............64 58 53 51 50 49 RH..............30 37 46 54 58 63 Aparnt tmp (F)..64 58 53 51 44 42 20 ft wind......SE 15 SE 14 SE 15 SE 16 SE 18 SE 20 20 ft wind gust.24 23 24 26 29 31 Eye level wind..SE 9 SE 8 SE 9 SE 10 SE 11 SE 12 Eye lvl wnd gst.14 14 14 16 17 19 Mix hgt (ft)....4000 600 500 600 700 1000 Transport wind..SE 22 SE 18 SE 18 SE 21 SE 23 SE 25 GFDI............0 0 0 0 0 0 Haines index....5 4 4 4 3 3 .FRIDAY... Sky/weather.........Cloudy (85-95 percent). Thunderstorms likely in the morning. Rain showers through the day. Thunderstorms in the afternoon. Chance of pcpn......100 percent. LAL.................1-8 strikes until 0700, then 9-15 strikes until 1600, then 16-25 strikes. Begin/end of pcpn...Rain most of the day. Max temperature.....Around 61. Min humidity........63 percent. Max apparent temp...59. Eye level winds.....Southeast winds 13 to 14 mph with gusts to around 21 mph. Wind shift..........Gusty and erratic winds in/near thunderstorms. Wind (20 ft)........Southeast winds 21 to 23 mph with gusts to around 35 mph. Gusty and erratic winds expected near thunderstorms in the morning and early afternoon. Gusty and erratic winds expected near thunderstorms late in the afternoon. Mixing height.......1700 ft AGL. Transport winds.....Southeast 29 to 36 mph. GFDI................0. Haines Index........2 to 3 or very low potential for large plume dominated fire growth. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........92 92 91 92 91 90 Weather cov.....LIKELY DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........LIKELY CHANCE CHANCE CHANCE CHANCE DEFNTE Chc of pcpn (%).60 100 100 100 100 100 LAL.............2 3 3 3 3 4 Temp............48 48 50 52 55 58 RH..............68 77 86 86 86 83 Aparnt tmp (F)..41 41 43 52 55 58 20 ft wind......SE 21 SE 21 SE 22 SE 23 SE 22 SE 21 20 ft wind gust.32 32 33 35 33 33 Eye level wind..SE 13 SE 13 SE 13 SE 14 SE 13 SE 13 Eye lvl wnd gst.19 19 20 21 20 20 Mix hgt (ft)....1200 1400 1700 1700 1500 1500 Transport wind..SE 29 SE 31 SE 35 SE 33 SE 32 SE 30 GFDI............0 0 0 0 0 0 Haines index....3 2 2 2 2 2 $$ Forecaster...Haase Requested by...Matt Okrasinski Type of request...PRESCRIBED .TAG 2412421.0/DVN .DELDT 04/25/24 .FormatterVersion 2.0.0