Spot Forecast
Issued by NWS Omaha/Valley, NE
Issued by NWS Omaha/Valley, NE
620 FNUS73 KOAX 251308 FWSOAX Spot Forecast for Winnebago CRP Rx...BIA-Winnebago Agency National Weather Service Omaha/Valley NE 808 AM CDT Thu Apr 25 2024 Forecast is based on ignition time of 1000 CDT on April 25. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... A complex of showers and thunderstorms is expected to move through parts of southeast Nebraska this morning with widely scattered showers and thunderstorms possible elsewhere today. Under cloudy skies, temperatures will warm into the low to mid 60s this afternoon with minimum relative humidity values of 45 to 65 percent. Winds will strengthen from the southeast today with sustained speeds of 15 to 25 mph with gusts of 30 to 35 mph. Showers and thunderstorms will become widespread across the area tonight into Saturday morning with wetting rainfall expected for many. Another round of thunderstorms is expected to develop Friday afternoon and evening when some severe weather appears likely. The strong southeast winds will continue tonight and Friday as a vigorous low pressure system approaches the region from the southwest. Highs on Friday will range from 60s in northeast Nebraska to lower 80s in far southeast Nebraska. Minimum relative humidities will range from around 45 percent along the Kansas border to around 70 percent in northeast Nebraska and southwest Iowa. Strongest Possible Wind Speeds on Day of Burn: gusts 35-40 possible. Lowest Possible Relative Humidity on Day of Burn: 45-50% .TODAY... Sky/weather.........Mostly cloudy (80-90 percent). Slight chance of rain showers early in the morning. Slight chance of rain showers late in the afternoon, then chance of rain showers and slight chance of thunderstorms late in the afternoon. Max temperature.....Around 67. Min humidity........48 percent. Eye level winds.....Southeast winds 8 to 14 mph with gusts to around 22 mph increasing to 14 to 15 mph with gusts to around 23 mph late in the afternoon. Surface winds (mph).Southeast winds 13 to 25 mph with gusts to around 38 mph. Wind (20 ft)........Southeast winds 13 to 22 mph with gusts to around 30 mph. Gusty and erratic winds expected near thunderstorms late in the afternoon. Mixing height.......3600 ft AGL. Transport winds.....Southeast 17 to 26 mph increasing to 29 to 35 mph late in the morning. Smoke dispersal.....Poor (8900 knot-ft) early in the morning increasing to excellent (99900 knot-ft) in the afternoon. GFDI................3. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........75 79 79 83 88 87 95 96 Weather cov..... SCH CHC CHC Weather type.... RW RW RW Tstm cov........ SCH SCH Temp............58 60 63 64 65 66 64 64 RH..............60 56 53 51 48 50 53 54 20 FT wind dir..SE SE SE SE SE SE SE SE 20 FT wind spd..16 17 17 17 18 19 20 19 20 FT wind gust.24 26 26 28 29 30 30 30 Eye lvl wnd dir.SE SE SE SE SE SE SE SE Eye lvl wnd spd.12 13 13 13 13 14 15 14 Eye lvl wnd gst.18 20 20 21 22 22 23 22 Surface wnd dir.SE SE SE SE SE SE SE SE Surface wnd spd.20 21 21 21 23 24 25 24 Surface wnd gst.30 33 33 35 36 37 38 37 Mix hgt (kft)...1.7 2.2 2.5 3.3 3.4 3.6 3.3 3.0 Transp wind dir.SE SE SE SE SE SE SE SE Transp wind spd.26 29 29 30 31 33 35 33 GFDI............2 3 3 3 4 4 4 4 Haines index....4 4 4 3 3 3 3 3 SDspl kt-ft/100039 55 72 85 95 100 98 88 .TONIGHT... Sky/weather.........Cloudy (90-100 percent). Showers and thunderstorms likely in the evening, then showers and thunderstorms overnight. Min temperature.....Around 51. Max humidity........96 percent. Eye level winds.....Southeast winds 13 to 15 mph with gusts to around 26 mph. Surface winds (mph).Southeast winds 21 to 25 mph with gusts to around 43 mph. Wind (20 ft)........Southeast winds 20 to 22 mph with gusts to around 34 mph. Gusty and erratic winds expected near thunderstorms early in the evening. Gusty and erratic winds expected near thunderstorms. Mixing height.......700 ft AGL. Transport winds.....Southeast 24 to 32 mph. Smoke dispersal.....Excellent (71800 knot-ft) early in the evening decreasing to fair (16700 knot-ft) late in the night. GFDI................3. Haines Index........3 or very low potential for large plume dominated fire growth. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........94 97 99 99 99 98 Weather cov.....CHANCE CHANCE LIKELY LIKELY DEFNTE DEFNTE Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........S CHC CHANCE LIKELY LIKELY DEFNTE DEFNTE Temp............63 59 57 56 54 52 RH..............56 62 66 67 78 85 20 ft wind......SE 19 SE 19 SE 19 SE 19 SE 18 SE 17 20 ft wind gust.29 30 30 32 30 29 Eye level wind..SE 14 SE 14 SE 14 SE 14 SE 13 SE 13 Eye lvl wnd gst.22 23 23 24 22 22 Surface wind....SE 24 SE 24 SE 24 SE 24 SE 23 SE 21 Surface wnd gst.36 38 38 40 37 36 Mix hgt (ft)....2700 1100 1000 1300 700 900 Transport wind..SE 32 SE 30 SE 32 SE 31 SE 26 SE 25 GFDI............4 3 3 3 2 2 Haines index....3 3 3 3 3 3 SDspl kt-ft/100072 43 27 30 28 19 .FRIDAY... Sky/weather.........Mostly cloudy (80-90 percent). Showers and thunderstorms. Max temperature.....Around 67. Min humidity........78 percent. Eye level winds.....Southeast winds 13 to 14 mph with gusts to around 23 mph. Surface winds (mph).Southeast winds 21 to 24 mph with gusts to around 38 mph. Wind (20 ft)........Southeast winds 20 to 21 mph with gusts to around 30 mph. Gusty and erratic winds expected near thunderstorms early in the morning. Gusty and erratic winds expected near thunderstorms. Mixing height.......1900 ft AGL. Transport winds.....Southeast 25 to 30 mph. Smoke dispersal.....Fair (16400 knot-ft) early in the morning increasing to good (48700 knot-ft) in the afternoon. GFDI................3. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........97 92 92 95 83 76 Weather cov.....DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR Tstm cov........DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE Temp............52 52 56 58 62 65 RH..............90 91 94 88 86 79 20 ft wind......SE 17 SE 17 SE 18 SE 18 SE 19 SE 18 20 ft wind gust.28 28 30 30 30 30 Eye level wind..SE 13 SE 13 SE 13 SE 13 SE 14 SE 13 Eye lvl wnd gst.21 21 22 23 23 22 Surface wind....SE 21 SE 21 SE 23 SE 23 SE 24 SE 23 Surface wnd gst.35 35 37 38 38 37 Mix hgt (ft)....800 1100 1400 1600 1500 1900 Transport wind..SE 25 SE 28 SE 29 SE 30 SE 29 SE 28 GFDI............2 2 2 2 3 3 Haines index....3 3 3 3 4 4 SDspl kt-ft/100016 23 36 43 48 46 $$ Forecaster...Kern Requested by...Duwayne Traversie RXB2 Type of request...PRESCRIBED .TAG 2412399.0/OAX .DELDT 04/25/24 .FormatterVersion 2.0.0 .EMAIL duwayne.traversie@bia.gov