617  
FNUS73 KABR 250312  
FWSABR  
 
SPOT FORECAST FOR FATE DAM GPA...SOUTH WILDLAND FIRE  
NATIONAL WEATHER SERVICE ABERDEEN SD  
1012 PM CDT WED APR 24 2024  
   
DISCUSSION
 
 
THIS FORECAST IS PRELIMINARY, PLEASE SUBMIT ANOTHER REQUEST  
CLOSE TO THE BURN TIME. OVERALL, THE WIND SPEEDS ARE EXPECTED TO  
REMAIN IN THE 10-20 MPH RANGE OVERNIGHT, BUT THEN BECOME GUSTY ON  
THURSDAY WITH DAYTIME HEATING. THURSDAY AFTERNOON WILL FEATURE THE  
HIGHEST GUST OF UP TO 35 MPH. RAIN SHOULD HOLD OFF UNTIL THE  
AFTERNOON HOURS.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 46.  
MAX HUMIDITY........76 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 15 TO 20 MPH.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTH 16 TO 24 MPH.  
SMOKE DISPERSAL.....POOR (6400 KNOT-FT).  
HAINES INDEX........4 TO 5 OR (LOW) TO (MODERATE).  
 
TIME (CDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........26 20 15 20 31 32 23 34  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0  
TEMP............58 56 55 53 50 48 48 47  
RH..............45 49 49 52 59 64 64 67  
20 FT WIND DIR..SE SE SE SE SE SE SE SE  
20 FT WIND SPD..18 20 20 20 17 16 15 15  
20 FT WIND GUST.29 30 30 29 26 25 24 23  
MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5  
SMOKE DISPERSAL.PR PR PR PR PR PR PR PR  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS LATE IN THE MORNING. CHANCE OF  
RAIN SHOWERS LATE IN THE AFTERNOON. SLIGHT  
CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON.  
CWR.................5 PERCENT INCREASING TO 14 PERCENT IN THE  
AFTERNOON.  
CHANCE OF PCPN......30 PERCENT.  
LAL.................1 UNTIL 1600, THEN 2.  
MAX TEMPERATURE.....AROUND 68.  
MIN HUMIDITY........50 PERCENT.  
WIND (20 FT)........BREEZY. SOUTHEAST WINDS 14 TO 23 MPH INCREASING  
TO 24 TO 26 MPH IN THE AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE  
IN THE AFTERNOON.  
MIXING HEIGHT.......500-3300 FT AGL.  
TRANSPORT WINDS.....SOUTH 16 TO 24 MPH INCREASING TO 26 TO 30 MPH  
LATE IN THE MORNING.  
SMOKE DISPERSAL.....POOR (6700 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (83200 KNOT-FT) IN THE  
AFTERNOON.  
HAINES INDEX........2 TO 4 OR (VERY LOW) TO (LOW).  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........39 41 51 62 63 70 73 81 75 72 77 81  
WEATHER COV..... SCH SCH SCH CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH  
CHC OF PCPN (%).0 10 10 10 10 20 20 20 30 30 30 30  
TEMP............46 46 50 55 62 65 68 68 68 68 68 67  
RH..............73 76 69 61 54 49 47 51 51 52 52 55  
20 FT WIND DIR..SE SE SE SE S S S S SE SE SE SE  
20 FT WIND SPD..14 14 15 18 21 23 23 24 26 26 26 26  
20 FT WIND GUST.21 21 23 29 28 28 30 32 35 35 35 35  
MIX HGT (KFT)...0.5 0.5 0.5 1.4 2.3 2.8 2.9 3.3 2.9 3.1 2.8 2.7  
SMOKE DISPERSAL.PR PR PR PR FR GD GD GD GD GD GD GD  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN SHOWERS AND  
CHANCE OF THUNDERSTORMS.  
CWR.................14 PERCENT INCREASING TO 83 PERCENT.  
CHANCE OF PCPN......90 PERCENT.  
LAL.................2 UNTIL 1900, THEN 3.  
MIN TEMPERATURE.....AROUND 49.  
MAX HUMIDITY........96 PERCENT.  
WIND (20 FT)........BREEZY. SOUTHEAST WINDS 17 TO 26 MPH. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY  
IN THE EVENING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......1100-2400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 21 TO 30 MPH DECREASING TO AROUND 20  
MPH EARLY IN THE MORNING.  
SMOKE DISPERSAL.....GOOD (62600 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (19400 KNOT-FT) LATE IN THE  
NIGHT.  
HAINES INDEX........2 TO 3 OR (VERY LOW).  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........89 92 95 95 96 95 96 94 95 95 94 95  
WEATHER COV.....CHC LKY LKY LKY DEF DEF DEF DEF DEF DEF DEF DEF  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
CHC OF PCPN (%).40 70 70 70 90 90 90 90 90 90 90 90  
TEMP............65 60 58 55 54 54 53 53 53 52 52 50  
RH..............55 66 75 85 89 89 94 94 94 94 91 95  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE E E  
20 FT WIND SPD..26 23 22 21 21 20 18 20 18 17 18 17  
20 FT WIND GUST.36 36 35 35 35 33 32 32 30 29 30 28  
MIX HGT (KFT)...2.4 2.0 1.6 1.6 1.5 1.4 1.3 1.3 1.2 1.2 1.2 1.1  
SMOKE DISPERSAL.GD FR PR PR PR PR PR PR PR PR PR PR  
   
FRIDAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS AND CHANCE  
OF THUNDERSTORMS.  
CWR.................88 PERCENT.  
CHANCE OF PCPN......100 PERCENT.  
LAL.................3.  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........82 PERCENT.  
WIND (20 FT)........EAST WINDS 15 TO 17 MPH SHIFTING TO THE  
NORTHEAST AROUND 18 MPH LATE IN THE AFTERNOON.  
GUSTS UP TO 29 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......1100-2100 FT AGL.  
TRANSPORT WINDS.....EAST 17 TO 20 MPH SHIFTING TO THE NORTHEAST  
AROUND 20 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (17000 KNOT-FT).  
HAINES INDEX........3 (VERY LOW).  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........95 92 90 89 87 89 91 93 89 85 81 83  
WEATHER COV.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC  
CHC OF PCPN (%).90 100 100 100 100 100 100 90 90 90 90 90  
TEMP............49 49 50 51 53 54 55 56 57 58 58 58  
RH..............99 100 100 99 96 93 90 86 84 84 83 82  
20 FT WIND DIR..E E E E E E E E NE NE NE NE  
20 FT WIND SPD..17 15 15 15 15 15 15 15 15 18 18 18  
20 FT WIND GUST.26 26 24 24 24 23 23 23 23 29 29 29  
MIX HGT (KFT)...1.1 1.1 1.2 1.3 1.5 1.5 1.5 1.6 1.8 2.0 2.1 1.9  
SMOKE DISPERSAL.PR PR PR PR PR PR PR PR PR PR PR PR  
 

 
FORECASTER...TDK  
REQUESTED BY...LANE L OSTENSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2412389.0/ABR  
.DELDT 04/24/24  
.FORMATTERVERSION 2.0.0  
.EMAIL LANE.OSTENSON@STATE.SD.US  
 
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