Spot Forecast
Issued by NWS Aberdeen, SD

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FNUS73 KABR 302214
FWSABR

Spot Forecast for Casanova GPA RX...State of South Dakota
National Weather Service Aberdeen SD
514 PM CDT Tue Apr 30 2024

Forecast is based on ignition time of 1800 CDT on April 30.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
There are only spotty additional showers near the Casanova GPA
RX site this evening. Thunderstorms will remain east of the site,
and any additional precipitation will be less than 0.02 inches.
Gusty winds out of the west will slowly diminish during the
evening hours and be out of the west through early Wednesday
morning, before switching out of the southwest and south. Gusts
Wednesday will be near 15 mph through the day as relative humidity
falls to near 36 percent.

.TONIGHT...

Sky/weather.........Partly cloudy (20-30 percent) then becoming
                    clear (0-10 percent). Slight chance of showers
                    early in the evening.
CWR.................11 percent decreasing to 1 percent.
Chance of pcpn......20 percent.
LAL.................1.
Min temperature.....Around 35.
Max humidity........86 percent.
Wind (20 ft)........West winds 15 to 24 mph decreasing to 10 to 13
                    mph overnight. Gusts up to 35 mph early in the
                    evening.
Mixing height.......400-2800 ft agl.
Transport winds.....Northwest 21 to 30 mph decreasing to 12 to 20
                    mph overnight.
Smoke dispersal.....Good (70000 knot-ft) early in the evening
                    decreasing to poor (3900 knot-ft) late in the
                    night.
Haines Index........3 to 5 or (very low) to (moderate).

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........45  39  24  14  9   6   5   4   4   4   3   3
Weather cov.....SCH
Weather type....RW
Tstm cov........
Chc of pcpn (%).20  0   0   0   0   0   0   0   0   0   0   0
Temp............53  52  50  48  46  44  44  43  41  40  38  37
RH..............85  83  82  85  84  86  86  86  86  86  86  86
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..18  24  24  20  18  16  15  13  13  12  12  10
20 FT wind gust.25  33  35  32  29  24  23  21  21  17  17  16
Mix hgt (kft)...2.8 1.8 0.8 0.6 0.6 0.6 0.6 0.5 0.5 0.5 0.4 0.4
Smoke Dispersal.GD  FR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.WEDNESDAY...

Sky/weather.........Partly sunny (35-45 percent).
CWR.................3 percent.
Chance of pcpn......10 percent.
LAL.................1.
Max temperature.....Around 64.
Min humidity........36 percent.
Wind (20 ft)........West winds 8 to 9 mph shifting to the south
                    around 9 mph late in the afternoon.
Mixing height.......400-6600 ft agl.
Transport winds.....West 9 to 12 mph shifting to the south 12 to 17
                    mph late in the afternoon.
Smoke dispersal.....Poor (3000 knot-ft) early in the morning
                    increasing to good (99000 knot-ft) in the
                    afternoon.
Haines Index........5 (moderate).

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........3   6   10  15  16  22  32  45  54  62  67  74
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   10
Temp............37  35  39  43  50  54  57  61  62  62  63  62
RH..............92  92  89  82  66  57  47  38  36  38  36  43
20 FT wind dir..W   W   W   W   SW  SW  SW  SW  S   S   S   S
20 FT wind spd..9   8   9   9   9   9   9   8   9   9   9   9
20 FT wind gust.15  13  13  14  14  14  13  13  14  15  15  16
Mix hgt (kft)...0.4 0.4 0.4 0.6 1.2 2.2 3.8 4.9 5.2 6.1 6.6 5.2
Smoke Dispersal.PR  PR  PR  PR  PR  PR  PR  FR  FR  GD  GD  GD

$$
Forecaster...KF
Requested by...Zac Hook
Type of request...PRESCRIBED
.TAG 2412849.0/ABR
.DELDT 04/30/24
.FormatterVersion 2.0.0
.EMAIL Zachariah.hook@state.sd.us