Spot Forecast
Issued by NWS Aberdeen, SD
Issued by NWS Aberdeen, SD
929 FNUS73 KABR 200314 FWSABR Spot Forecast for Cottonwood GPA...State of South Dakota National Weather Service Aberdeen SD 1014 PM CDT Sun May 19 2024 Forecast is based on ignition time of 2300 CDT on May 19. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION... Additional details would be appreciated on if this is an ongoing prescribed burn, as it will help us add better detail to the time that is most important. Also, it is assumed that current and ongoing rainfall amounts would be beneficial. Rainfall will be ending at the Cottonwood GPA by 2400, with a storm total estimate of 0.25 to 0.40 inches. Winds out of the northwest will switch out of the north Monday morning, with minimum relative humidity near 50 percent. The current forecast calls for around 0.05 inches of rain or less Monday afternoon. A widespread rain is expected during the day Tuesday, with rainfall amounts 0.75 to 1.50 inches. .REST OF TONIGHT... Sky/weather.........Mostly cloudy (75-85 percent) becoming partly cloudy (35-45 percent). Slight chance of showers and thunderstorms late in the evening. CWR.................17 percent decreasing to 6 percent overnight. Chance of pcpn......20 percent. LAL.................2 until 2400, then 1. Min temperature.....Around 52. Max humidity........100 percent. Wind (20 ft)........Southeast winds 14 to 15 mph shifting to the south 7 to 12 mph overnight, then shifting to the northwest 7 to 9 mph after 3 am. Gusty and erratic winds expected near thunderstorms late in the evening. Mixing height.......400-700 ft agl. Transport winds.....South 8 to 12 mph shifting to the north 10 to 15 mph overnight. Smoke dispersal.....Poor (3100 knot-ft). Haines Index........4 (low). TIME (CDT) 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........96 80 64 48 52 55 42 Weather cov.....SCH Weather type....RW Tstm cov........SCH Chc of pcpn (%).20 10 0 0 0 0 0 Temp............65 64 61 56 55 54 54 RH..............68 70 81 100 100 100 100 20 FT wind dir..SE SE S SW NW NW NW 20 FT wind spd..15 14 12 7 7 8 9 20 FT wind gust.24 22 17 12 13 14 15 Mix hgt (kft)...0.5 0.4 0.4 0.4 0.4 0.7 0.5 Smoke Dispersal.PR PR PR PR PR PR PR .MONDAY... Sky/weather.........Partly sunny (50-60 percent). Slight chance of showers and thunderstorms after 1600. CWR.................5 percent. Chance of pcpn......20 percent. LAL.................1 until 1600, then 2. Max temperature.....Around 70. Min humidity........51 percent. Wind (20 ft)........North winds 10 to 14 mph. Gusty and erratic winds expected near thunderstorms late in the afternoon. Mixing height.......900-4500 ft agl. Transport winds.....North 13 to 20 mph. Smoke dispersal.....Poor (14100 knot-ft) early in the morning increasing to fair (54300 knot-ft) in the afternoon. Haines Index........4 (low). TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........46 57 65 65 62 57 54 56 59 53 63 66 Weather cov..... SCH SCH Weather type.... RW RW Tstm cov........ SCH SCH Chc of pcpn (%).0 0 0 0 0 0 0 10 10 10 20 20 Temp............53 52 54 56 60 62 64 66 68 68 68 69 RH..............100 100 100 90 75 72 65 58 57 54 52 51 20 FT wind dir..NW NW NW NW N N N N N N N N 20 FT wind spd..10 12 13 13 14 14 14 14 14 14 13 13 20 FT wind gust.16 18 20 20 20 21 20 20 20 18 18 20 Mix hgt (kft)...0.9 1.3 1.7 2.2 2.5 3.0 3.6 3.9 4.3 4.5 4.4 4.4 Smoke Dispersal.PR PR PR PR FR FR FR FR FR FR FR FR .MONDAY NIGHT... Sky/weather.........Mostly cloudy (70-80 percent). Chance of rain showers in the evening, becoming likely. Slight chance of thunderstorms through the night. CWR.................7 percent increasing to 57 percent overnight. Chance of pcpn......70 percent. LAL.................2 until 0400, then 1. Min temperature.....Around 49. Max humidity........100 percent. Wind (20 ft)........North winds 8 to 13 mph. Gusty and erratic winds expected near thunderstorms in the evening and overnight. Mixing height.......400-4000 ft agl. Transport winds.....North 12 to 18 mph. Smoke dispersal.....Fair (43800 knot-ft) early in the evening decreasing to poor (4600 knot-ft) late in the night. Haines Index........3 to 4 or (very low) to (low). TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........60 59 68 78 77 76 85 89 93 93 93 92 Weather cov.....SCH CHC CHC CHC CHC CHC LKY LKY LKY LKY LKY LKY Weather type....RW RW RW RW RW RW RW RW RW RW RW RW Tstm cov........SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH Chc of pcpn (%).20 30 30 40 40 50 60 70 70 60 70 70 Temp............68 66 64 61 57 56 55 54 53 52 51 51 RH..............51 54 60 65 77 77 80 83 86 89 93 93 20 FT wind dir..N N N N N N N N N NE NE NE 20 FT wind spd..13 12 10 9 9 8 8 8 8 9 10 12 20 FT wind gust.18 17 17 17 16 15 15 15 16 17 18 20 Mix hgt (kft)...4.0 2.7 0.7 0.5 0.4 0.4 0.5 0.5 0.5 0.5 0.6 0.7 Smoke Dispersal.FR PR PR PR PR PR PR PR PR PR PR PR $$ Forecaster...KF Requested by...Zac Hook Type of request...PRESCRIBED .TAG 2414695.0/ABR .DELDT 05/19/24 .FormatterVersion 2.0.0 .EMAIL Zachariah.hook@state.sd.us