FNUS73 KOAX 261025 FWSOAX SPOT FORECAST FOR RUNKEL...IOWA DNR NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 525 AM CDT WED MAY 26 2010 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A FRONTAL SYSTEM THAT STRETCHES FROM WISCONSIN ACROSS IOWA AND INTO KANSAS WILL DRIFT SOUTHEAST AND WEAKEN THROUGH TONIGHT. SHOWERS AND THUNDERSTORMS WILL OCCUR IN PARTS OF THE CENTRAL PLAINS NEAR THE FRONT. OTHERWISE...HIGH PRESSURE WILL BUILD SOUTHEAST OVER THE DAKOTAS AND MINNESOTA. .TODAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. MAX TEMPERATURE.....AROUND 83. MIN HUMIDITY........39 PERCENT. WIND (20 FT)........NORTHEAST WINDS 8 TO 12 MPH. HAINES INDEX........4 TO 6 OR OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 5500-7300 FT AGL. TRANSPORT WINDS.....NORTHEAST 13 TO 18 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........84 79 72 67 61 53 WEATHER COV.....ISOLTD ISOLTD S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE TEMP............62 69 75 80 82 83 RH..............89 70 56 47 42 39 20 FT WIND......N 8 E 10 E 12 NE 12 NE 12 NE 12 20 FT WIND GUST.10 15 15 15 15 15 HAINES INDEX....4 5 5 6 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). MIN TEMPERATURE.....AROUND 58. MAX HUMIDITY........88 PERCENT. WIND (20 FT)........EAST WINDS 6 TO 12 MPH. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3200-4700 FT AGL DECREASING TO 300-1700 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....NORTHEAST 12 TO 20 MPH SHIFTING TO THE EAST 9 TO 10 MPH AFTER MIDNIGHT. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........47 42 36 31 28 25 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............81 73 68 64 61 59 RH..............41 53 65 74 82 86 20 FT WIND......E 12 E 8 NE 7 NE 7 NE 6 NE 6 20 FT WIND GUST.15 10 HAINES INDEX....4 4 4 4 4 4 .THURSDAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 83. MIN HUMIDITY........40 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 6 TO 12 MPH. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300-1700 FT AGL INCREASING TO 2500-4400 FT AGL IN THE LATE MORNING AND EARLY AFTERNOON...THEN INCREASING TO 3600-5200 FT AGL EARLY IN THE AFTERNOON DECREASING TO 1900 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHEAST 10 TO 18 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........22 21 19 18 17 16 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............58 66 73 79 82 83 RH..............88 69 54 46 42 40 20 FT WIND......E 6 E 9 E 12 E 12 E 12 SE 12 20 FT WIND GUST. 10 15 15 15 15 HAINES INDEX....3 4 4 4 4 4 $$ FORECASTER...NWS OMAHA/VALLEY REQUESTED BY...BRIAN HICKMAN TYPE OF REQUEST...PRESCRIBED .TAG 20100526.RUNKE.01/OAX