876
FNUS73 KABR 201943
FWSABR
SPOT FORECAST FOR COTEAU PRAIRIE WPA SOUTH UNIT...USFWS
NATIONAL WEATHER SERVICE ABERDEEN SD
243 PM CDT SUN APR 20 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 CDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
LIGHT AND VARIABLE WINDS IN THE MORNING BECOME
SOUTHERLY MONDAY AFTERNOON AHEAD OF AN APPROACHING FRONT THAT WILL
MOVE THROUGH LATE MONDAY EVENING. WINDS INCREASE IN THE EVENING
AS THE FRONT NEARS. THE BURN AREA IS NOT EXPECTED TO RECEIVE
WETTING RAINS WITH THE SHOWERS OR WEAK THUNDERSTORMS MONDAY NIGHT
UNLESS AN ISOLATED STRONGER SHOWER DEVELOPS.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF LIGHTNING.0 PERCENT.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 7 MPH SHIFTING TO THE NORTHEAST
AROUND 6 MPH LATE IN THE MORNING, THEN SHIFTING
TO THE SOUTHEAST 6 TO 7 MPH EARLY IN THE
AFTERNOON SHIFTING TO THE SOUTH 7 TO 8 MPH LATE
IN THE AFTERNOON.
MIXING HEIGHT.......300-7700 FT AGL.
TRANSPORT WINDS.....WEST 8 TO 15 MPH.
SMOKE DISPERSAL.....POOR (2100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO VERY GOOD (100300 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........18 14 16 9 5 4 5 4 4 5 5 6
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............37 36 41 46 51 54 57 60 62 64 66 66
RH..............82 85 73 63 52 45 38 33 31 29 28 28
20 FT WIND DIR..W W W W NW NE E SE S S S S
20 FT WIND SPD..7 7 7 6 6 6 7 6 7 7 8 8
20 FT WIND GUST.13 13 13 12 10 9 12 13 13 14 14 14
MIX HGT (KFT)...0.3 0.3 0.3 0.7 1.4 2.8 4.0 5.5 6.4 6.9 7.7 7.4
SMOKE DISPERSAL.PR PR PR PR PR PR PR FR GD GD VGD GD
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT). CHANCE OF RAIN
SHOWERS LATE IN THE EVENING. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE EVENING. SLIGHT
CHANCE OF RAIN SHOWERS OVERNIGHT.
CWR.................9 PERCENT INCREASING TO 22 PERCENT LATE IN THE
EVENING, THEN DECREASING TO 9 PERCENT
OVERNIGHT.
CHANCE OF PCPN......40 PERCENT.
CHANCE OF LIGHTNING.16 PERCENT.
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........86 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 8 TO 10 MPH INCREASING TO 12 TO
13 MPH IN THE LATE EVENING AND OVERNIGHT, THEN
SHIFTING TO THE SOUTHWEST AROUND 13 MPH AFTER 3
AM. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE EVENING.
MIXING HEIGHT.......500-6600 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 13 MPH SHIFTING TO THE SOUTHWEST
15 TO 17 MPH.
SMOKE DISPERSAL.....GOOD (72200 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (6100 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........9 23 43 68 79 77 65 50 42 39 40 41
WEATHER COV..... CHC CHC CHC SCH
WEATHER TYPE.... RW RW RW RW
TSTM COV........ SCH SCH SCH
CHC OF PCPN (%).0 0 10 30 40 40 20 10 0 0 0 0
CHC OF LTNG (%).0 0 10 10 20 20 20 10 0 0 0 0
TEMP............65 64 60 58 56 54 52 50 48 47 46 46
RH..............29 30 36 39 43 52 61 71 77 79 86 83
20 FT WIND DIR..S S SE SE SE SE SE SE S S S SW
20 FT WIND SPD..8 8 8 10 12 12 12 12 13 12 13 13
20 FT WIND GUST.14 14 14 15 16 18 18 21 21 20 18 20
MIX HGT (KFT)...6.6 4.1 0.7 0.7 0.5 0.6 0.5 0.5 0.5 0.5 0.5 0.6
SMOKE DISPERSAL.GD FR PR PR PR PR PR PR PR PR PR PR
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE MORNING.
CWR.................6 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF LIGHTNING.13 PERCENT.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 13 TO 15 MPH SHIFTING TO THE
WEST 14 TO 15 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......700-7100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH SHIFTING TO THE WEST 16
TO 22 MPH.
SMOKE DISPERSAL.....POOR (9200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (91700 KNOT-FT) IN THE
AFTERNOON INCREASING TO VERY GOOD (113500
KNOT-FT) LATE IN THE AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........42 51 45 40 34 26 19 11 9 8 6 7
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........
CHC OF PCPN (%).0 10 10 10 20 20 20 10 10 10 10 10
CHC OF LTNG (%).0 10 10 10 0 0 0 10 10 10 10 10
TEMP............45 45 47 50 53 56 59 61 63 64 65 65
RH..............86 86 83 77 69 60 51 44 39 36 34 32
20 FT WIND DIR..SW S SW SW W W W W W W W W
20 FT WIND SPD..13 14 14 14 14 14 15 15 15 15 15 14
20 FT WIND GUST.20 22 23 23 23 23 23 23 23 23 23 22
MIX HGT (KFT)...0.8 0.7 0.8 1.3 2.0 2.9 4.0 5.1 6.1 6.8 7.1 7.1
SMOKE DISPERSAL.PR PR PR PR PR FR GD GD VGD VGD VGD VGD
FORECASTER...WISE
REQUESTED BY...JADE DRAUSE
TYPE OF REQUEST...PRESCRIBED
.TAG 2510888.0/ABR
.DELDT 04/20/25
.FORMATTERVERSION 2.0.0
.EMAIL JADE_DRAUSE@FWS.GOV
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