315
FNUS73 KABR 081020
FWSABR
SPOT FORECAST FOR HIGHMORE GPA...STATE OF SOUTH DAKOTA
NATIONAL WEATHER SERVICE ABERDEEN SD
ISSUED BY NATIONAL WEATHER SERVICE SIOUX FALLS SD
520 AM CDT THU MAY 8 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MAY 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WINDS ARE EXPECTED TO BE VARIABLE IN BOTH SPEED AND DIRECTION
THROUGH THE 9 TO 10AM HOUR. AT THAT TIME, WINDS WILL BEGIN TO
PREVAIL FROM THE SOUTH SOUTH EAST AND THEN GRADUALLY TURN AND
INCREASE WITH A MORE STEADY AND PREVAILING SOUTH SOUTHWEST WIND
DIRECTION. AFTERNOON MIXING WILL BE QUITE SUBSTANTIAL, WITH
INVERSION HEIGHTS AS HIGH AS 8000 FT AGL. BY AFTERNOON, SUSTAINED
SURFACE WINDS BETWEEN 10 AND 15 MPH ARE EXPECTED. STRONG WIND
GUSTS ARE NOT EXPECTED AT THIS TIME, WITH MOST GUSTS AROUND THE 20
MPH MARK.
WINDS ARE LIKELY TO WEAKEN QUICKLY IN THE EVENING, POTENTIALLY
TURNING VARIABLE IN DIRECTION.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CWR.................4 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF LIGHTNING.8 PERCENT.
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 13 MPH SHIFTING TO THE
NORTHWEST AROUND 12 MPH LATE IN THE AFTERNOON.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......500-8500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 18 MPH SHIFTING TO THE
NORTHWEST 12 TO 13 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (6100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (93800 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........14 23 38 33 45 46 47 48 45 42 39 36
WEATHER COV..... SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH
CHC OF PCPN (%).0 0 0 0 0 0 0 20 20 20 20 20
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 10 10
TEMP............55 54 58 63 70 73 76 80 81 82 83 82
RH..............66 69 62 54 42 40 36 30 29 27 26 27
20 FT WIND DIR..S S SW SW SW SW SW SW W W W NW
20 FT WIND SPD..13 13 13 13 14 14 13 13 13 12 12 12
20 FT WIND GUST.18 18 18 18 20 20 18 18 18 17 17 17
MIX HGT (KFT)...0.5 0.5 0.5 0.8 1.3 2.2 4.1 6.0 6.9 7.7 8.5 6.5
SMOKE DISPERSAL.PR PR PR PR PR PR FR GD GD GD GD GD
FORECASTER...DUX
REQUESTED BY...KEVIN HOFFMANN
TYPE OF REQUEST...PRESCRIBED
.TAG 2513396.1/ABR
.DELDT 05/08/25
.FORMATTERVERSION 2.0.0
.EMAIL KEVIN.HOFFMANN@STATE.SD.US
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