619  
FNUS73 KABR 171401  
FWSABR  
 
SPOT FORECAST FOR STEEN WMA...MN DNR WL  
NATIONAL WEATHER SERVICE ABERDEEN SD  
901 AM CDT FRI MAY 17 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MAY 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
DRY CONDITIONS WILL REMAIN OVER THE STEEN WMA AREA THROUGH THIS  
EVENING, WITH TEMPERATURES TOPPING OUT IN THE MID 80S. RELATIVE  
HUMIDITY VALUES WILL FALL TO NEAR 30 PERCENT BY MID AFTERNOON AS  
WINDS INCREASE OUT OF THE SOUTH 10 TO 12 MPH WITH GUSTS NEARING  
20 MPH AFTER 1500. UNLESS RAIN FALLS OVER THE AREA BETWEEN MIDNIGHT  
AND 0400, RELATIVE HUMIDITY RECOVERY TONIGHT WILL ONLY BE AROUND  
70 PERCENT. WINDS WILL BE HIGHER SATURDAY, OUT OF THE WEST 15 TO  
23 MPH WITH GUSTS OF 30 TO NEAR 35 MPH.  
   
REST OF TODAY
 
15 TO 23 MPH.  
 
SKY/WEATHER.........MOSTLY SUNNY (0-10 PERCENT).  
CWR.................1 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 86.  
MIN HUMIDITY........31 PERCENT.  
WIND (20 FT)........SOUTH WINDS 6 TO 12 MPH.  
MIXING HEIGHT.......900-8500 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 16 MPH INCREASING TO AROUND 20 MPH  
LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (8900 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (84400 KNOT-FT) IN THE  
AFTERNOON INCREASING TO VERY GOOD (132600  
KNOT-FT) LATE IN THE AFTERNOON.  
HAINES INDEX........6 (HIGH).  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........4 4 4 10 5 4 4 3 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0  
TEMP............66 71 75 78 80 82 84 86 86  
RH..............68 59 54 48 44 40 36 31 32  
20 FT WIND DIR..S S S S S S S S S  
20 FT WIND SPD..6 6 7 8 9 10 12 12 12  
20 FT WIND GUST.13 13 13 14 15 17 18 20 18  
MIX HGT (KFT)...0.9 1.3 1.5 2.1 3.6 6.0 7.8 8.0 8.5  
SMOKE DISPERSAL.PR PR PR PR PR GD VGD VGD VGD  
   
TONIGHT
 
 
SKY/WEATHER.........BECOMING MOSTLY CLOUDY (50-60 PERCENT) THEN  
BECOMING PARTLY CLOUDY (35-45 PERCENT).  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
OVERNIGHT.  
CWR.................5 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
LAL.................1 UNTIL 2400, EXCEPT 2 BETWEEN 2400 AND 0400.  
MIN TEMPERATURE.....AROUND 62.  
MAX HUMIDITY........72 PERCENT.  
WIND (20 FT)........SOUTH WINDS 9 TO 16 MPH SHIFTING TO THE WEST  
AROUND 13 MPH WITH GUSTS TO AROUND 24 MPH  
EARLY IN THE MORNING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS OVERNIGHT.  
MIXING HEIGHT.......400-7900 FT AGL.  
TRANSPORT WINDS.....SOUTH 15 TO 23 MPH.  
SMOKE DISPERSAL.....VERY GOOD (133900 KNOT-FT) DECREASING TO POOR  
(6500 KNOT-FT).  
HAINES INDEX........5 TO 6 OR (MODERATE) TO (HIGH).  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........2 2 3 3 3 10 25 27 54 45 34 33  
WEATHER COV..... SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH  
CHC OF PCPN (%).0 0 0 0 0 10 20 20 20 20 10 10  
TEMP............85 85 81 75 72 70 69 69 68 68 67 64  
RH..............33 36 42 52 57 61 61 59 61 61 63 70  
20 FT WIND DIR..S S S S SE S S S S S S W  
20 FT WIND SPD..10 10 9 9 10 12 14 16 16 16 14 13  
20 FT WIND GUST.18 16 16 16 17 20 24 25 25 24 24 24  
MIX HGT (KFT)...7.9 2.0 0.5 0.5 0.5 0.4 0.5 0.6 0.5 0.5 0.5 0.6  
SMOKE DISPERSAL.VGD PR PR PR PR PR PR PR PR PR PR PR  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).  
CWR.................3 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 72.  
MIN HUMIDITY........30 PERCENT.  
WIND (20 FT)........WEST WINDS 15 TO 23 MPH.  
MIXING HEIGHT.......600-6200 FT AGL.  
TRANSPORT WINDS.....WEST 18 TO 23 MPH INCREASING TO 25 TO 33 MPH  
EARLY IN THE MORNING, THEN DECREASING TO AROUND  
23 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (9200 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (89800 KNOT-FT) IN THE  
AFTERNOON INCREASING TO VERY GOOD (109500  
KNOT-FT) LATE IN THE MORNING.  
HAINES INDEX........4 TO 5 OR (LOW) TO (MODERATE).  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........18 26 28 18 14 10 6 2 2 2 2 2  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 0 0 0 0 0 0 0 0 0 0  
TEMP............63 63 62 63 66 66 68 69 70 71 72 71  
RH..............72 72 72 62 50 47 40 36 33 31 30 30  
20 FT WIND DIR..W W W W NW W W W W W W W  
20 FT WIND SPD..15 17 20 22 22 23 21 21 20 20 18 16  
20 FT WIND GUST.26 29 29 31 32 32 32 31 31 30 29 28  
MIX HGT (KFT)...0.6 1.4 2.2 2.5 3.1 3.9 4.8 5.4 5.6 6.0 6.2 5.8  
SMOKE DISPERSAL.PR PR FR GD GD VGD VGD VGD VGD VGD VGD VGD  
 

 
FORECASTER...KF  
REQUESTED BY...CURT VACEK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2414509.0/ABR  
.DELDT 05/17/24  
.FORMATTERVERSION 2.0.0  
.EMAIL CURT.VACEK@STATE.MN.US  
 
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