Spot Forecast Issued by NWS Aberdeen, SD
000
FNUS73 KABR 241105
FWSABR
Spot Forecast for Wigdale RX...State of South Dakota
National Weather Service Aberdeen SD
605 AM CDT Wed Apr 24 2024
Forecast is based on ignition time of 1300 CDT on April 24.
If conditions become unrepresentative...contact the National Weather
Service.
.DISCUSSION...surface high pressure is over the burn site, so a
light and variable wind will persist until the high shifts east
enough today to allow for south or southeast wind to develop. For
most of today this southerly component wind is not expected to
exceed much past 10 to 15 mph. Later tonight and all of Thursday,
southerly winds persist and grow stronger. During the day on
Thursday, sustained winds will be approaching 30 mph and gusts
will be up to 45 mph.
.REST OF TODAY...
Sky/weather.........Partly sunny (25-35 percent).
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 65.
Min humidity........27 percent.
Wind (20 ft)........South winds 6 to 9 mph.
Mixing height.......5900-7200 ft agl.
Transport winds.....Southwest 8 to 10 mph.
Smoke dispersal.....Fair (41300 knot-ft) early in the morning
increasing to good (64800 knot-ft) in the
afternoon.
Haines Index........5 (moderate).
TIME (CDT) 1PM 2PM 3PM 4PM 5PM
Sky (%).........7 19 30 32 50
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0 0 0 0 0
Temp............60 62 64 64 65
RH..............33 30 28 28 27
20 FT wind dir..S S S S S
20 FT wind spd..6 7 8 8 9
20 FT wind gust.10 12 12 12 13
Mix hgt (kft)...5.9 6.3 7.0 7.2 7.2
Smoke Dispersal.FR FR GD GD GD
.TONIGHT...
Sky/weather.........Mostly cloudy (75-85 percent). Slight chance of
rain showers overnight.
CWR.................5 percent.
Chance of pcpn......20 percent.
LAL.................1.
Min temperature.....Around 47.
Max humidity........65 percent.
Wind (20 ft)........South winds 8 to 16 mph.
Mixing height.......500-6900 ft agl.
Transport winds.....South 10 to 18 mph increasing to around 20 mph
early in the morning.
Smoke dispersal.....Good (61700 knot-ft) early in the evening
decreasing to poor (4800 knot-ft) late in the
night.
Haines Index........4 to 5 or (low) to (moderate).
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........65 75 80 77 83 87 88 90 80 77 73 66
Weather cov..... SCH
Weather type.... RW
Tstm cov........
Chc of pcpn (%).0 0 0 0 10 10 10 20 10 0 0 0
Temp............65 64 61 56 54 53 53 51 51 50 49 49
RH..............27 30 33 42 46 48 50 56 54 56 58 58
20 FT wind dir..S S S S S S S S S S SE SE
20 FT wind spd..9 8 8 9 10 10 12 12 14 15 14 16
20 FT wind gust.13 13 13 14 14 16 17 18 20 22 22 24
Mix hgt (kft)...6.9 5.3 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.7
Smoke Dispersal.GD FR PR PR PR PR PR PR PR PR PR PR
$$
Forecaster...Dorn
Requested by...Brett Blank
Type of request...PRESCRIBED
.TAG 2411951.2/ABR
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL brett.blank@state.sd.us