FNUS73 KFSD 151200 FWSFSD SPOT FORECAST FOR KETTLESON MCBREEN...IOWA DNR NATIONAL WEATHER SERVICE SIOUX FALLS SD 700 AM CDT WED APR 15 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING... .DISCUSSION... WHILE SOUTHEASTERLY SURFACE WINDS WILL BE LIGHT EARLY THIS MORNING...WITH DEVELOPING LOW PRESSURE OVER THE ROCKIES...AND HIGH PRESSURE SITUATED THROUGH THE UPPER MIDWEST EASTWARD...WINDS WILL BEGIN TO INCREASE AROUND 9 AM THIS MORNING AS WINDS ALOFT BEGIN TO MIX DOWN...AND CONTINUE TO INCREASE ACROSS THE AREA THIS AFTERNOON. IN ADDITION...VERY DRY RH VALUES EAST OF INTERSTATE 29 WILL CREATE RED FLAG CONDITIONS OVER SOUTHWEST MINNESOTA...EXTREME NORTHWEST IOWA...THE IOWA GREAT LAKES AREA...AND SOUTHWARD INTO THE STORM LAKE IOWA AREA BY AFTERNOON. THESE AREAS WILL SEE THE COMBINATION OF SUSTAINED WIND SPEEDS OR FREQUENT GUSTS TO 25 MPH...COUPLED WITH HUMIDITY VALUES DROPPING TO NEAR 20 PERCENT. .TODAY... MAX TEMPERATURE.....63-68. MIN HUMIDITY........19 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY.............CLR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR WEATHER TYPE.... TEMP (F)........43 46 50 56 59 62 64 66 66 66 66 RH (%)..........45 42 39 33 29 24 21 20 19 19 20 DEWPOINT (F)....23 25 26 27 27 25 23 23 23 23 24 20 FT WIND DIR..SE SSE SSE SSE SSE SE SE SE SE SE SE 20 FT WIND SPD..7 9 10 13 16 18 21 22 22 22 22 20 FT WIND GUST. 10 15 15 25 25 30 30 30 30 30 DISPERSAL INDEX.PR PR PR FR GD GD EX EX EX EX EX CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 MIX HGT (KFT)...0.3 0.6 0.9 1.2 2.4 3.5 4.7 4.8 4.8 4.9 3.3 TRANSP WIND DIR.SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE TRANSP WIND SPD.8 12 15 18 21 22 23 24 24 25 29 HAINES INDEX....5 5 5 5 5 4 4 4 5 5 5 .TONIGHT... MIN TEMPERATURE.....40-45. MAX HUMIDITY........73 PERCENT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY.............MCLEAR MCLEAR PCLDY PCLDY MCLDY MCLDY WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP (F)........64 58 51 48 47 45 RH (%)..........21 29 44 53 58 64 DEWPOINT (F)....24 26 30 32 33 34 20 FT WIND......SE 21 SE 18 SE 16 SE 15 SSE 15 SSE 14 20 FT WIND GUST.30 30 25 20 20 20 DISPERSAL INDEX.GOOD POOR POOR POOR POOR POOR CHC OF PCPN (%).0 0 0 0 10 10 MIX HGT (FT)....1800 300 300 300 300 300 TRANSPORT WIND..SE 32 SE 29 SE 18 SE 17 SSE 17 SSE 16 HAINES INDEX....5 5 5 5 5 5 $$ FORECASTER...JM REQUESTED BY...RORY MARTINSON TYPE OF REQUEST...PRESCRIBED .TAG 20090415.KETTL.01/FSD