FNUS73 KFSD 101441 FWSFSD SPOT FORECAST FOR DES MOINES PRAIRIE SNA...MN DNR NATIONAL WEATHER SERVICE SIOUX FALLS SD 941 AM CDT THU MAY 10 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... MUCH WARMER TODAY WITH SOUTH-SOUTHEASTERLY WINDS PICKING UP THROUGH THE LATE MORNING AND AFTERNOON. AFTERNOON RELATIVE HUMIDITY VALUES MAY BE A LITTLE LOWER THAN FORECAST...AS SOME MODELS SHOWING SLIGHTLY WARMER TEMPERATURES AND/OR LOWER DEW POINTS IN THE AFTERNOON. WILL MONITOR CLOSELY AND UPDATE FORECAST IF VALUES EXPECTED TO DROP MUCH BELOW 30 PERCENT. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL OVERSPREAD PORTIONS OF THE AREA LATE TONIGHT AND THROUGH THE DAY ON FRIDAY. IT WILL BE COOLER ON FRIDAY WITH GUSTY NORTHWESTERLY WINDS. .TODAY... MAX TEMPERATURE.....73-78. MIN HUMIDITY........39 PERCENT. TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY COVER.......MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR % SKY COVER.....17 16 15 14 13 12 11 11 11 11 11 11 WEATHER COV..... WEATHER TYPE.... TEMP............50 54 57 64 68 71 72 73 75 75 76 76 RH..............68 59 57 46 42 39 38 37 34 34 33 34 DEWPOINT........40 40 42 43 44 45 45 45 45 45 45 46 20 FT WIND DIR..SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE 20 FT WIND SPD..10 13 15 16 16 17 17 18 20 20 17 17 20 FT WIND GUST. 15 20 25 25 25 25 30 30 30 25 25 SMOKE DISPERSAL.PR PR PR FR GD GD EX EX EX EX GD GD CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0 MIX HGT (KFT)...0.3 0.5 0.7 1.0 1.9 2.8 3.7 3.9 4.0 4.2 3.0 1.7 TRANSP WIND DIR.S S S S S S S S S S S S TRANSP WIND SPD.9 15 20 23 24 23 23 24 24 25 26 26 HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 4 .TONIGHT... MIN TEMPERATURE.....54-59. MAX HUMIDITY........82 PERCENT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY COVER.......MCLEAR MCLEAR MCLEAR PCLDY PCLDY MCLDY % SKY COVER.....10 17 23 30 44 58 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............74 67 62 60 60 58 RH..............38 52 67 75 76 80 DEWPOINT........47 49 51 52 52 52 20 FT WIND......SSE 16 SSE 14 SSE 14 S 15 S 14 SSW 12 20 FT WIND GUST.25 20 20 20 20 15 SMOKE DISPERSAL.POOR POOR POOR POOR POOR POOR .FRIDAY... MAX TEMPERATURE.....59-64. MIN HUMIDITY........49 PERCENT. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY COVER.......MCLDY MCLDY MCLDY CLOUDY CLOUDY MCLDY % SKY COVER.....72 79 86 93 88 82 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............57 58 59 60 62 62 RH..............82 73 67 64 56 50 DEWPOINT........52 49 48 48 46 43 20 FT WIND......WSW 9 WNW 15 NNW 20 NNW 21 NNW 20 N 17 20 FT WIND GUST.10 20 30 30 30 25 SMOKE DISPERSAL.POOR FAIR GOOD EXCEL EXCEL EXCEL CHC OF PCPN (%).30 30 30 40 40 40 MIX HGT (FT)....300 1500 2300 2600 3600 4200 TRANSPORT WIND..WSW 13 NW 25 NNW 35 N 33 N 29 N 25 HAINES INDEX....4 3 3 2 2 2 WEATHER TYPE ABBREVIATIONS 1) T = THUNDERSTORMS 2) R = RAIN 3) RW = RAIN SHOWERS 4) L = DRIZZLE 5) ZR = FREEZING RAIN 6) ZL = FREEZING DRIZZLE 7) S = SNOW 8) SW = SNOW SHOWERS 9) IP = ICE PELLETS 10) F = FOG 11) ZF = FREEZING FOG 12) IC = ICE CRYSTALS 13) H = HAZE 14) BS = BLOWING SNOW 15) K = SMOKE 16) BD = BLOWING DUST 17) FR = FROST $$ FORECASTER...JH REQUESTED BY...BRAD BOLDUAN TYPE OF REQUEST...PRESCRIBED .TAG 20120510.DESMO.01/FSD