FNUS73 KOAX 270944 FWSOAX SPOT FORECAST FOR DESOTO REFUGE...U.S. FWS-DESOTO REFUGE NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 444 AM CDT TUE APR 27 2010 FORECAST IS BASED ON IGNITION TIME OF 0710 CDT ON APRIL 27. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN AREA OF HIGH PRESSURE AT THE SURFACE WILL BUILD EASTWARD ACROSS THE CENTRAL PLAINS TODAY. THIS SHOULD BRING MAINLY DRY CONDITIONS AND DECREASING CLOUDINESS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....42 AT IGNITION...MAX 64. MIN HUMIDITY........100 PERCENT AT IGNITION...MIN 40 PERCENT. WIND (20 FT)........WINDS NORTHWEST AT 13 MPH AT IGNITION...OTHERWISE NORTH WINDS 5 TO 13 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 5. MIXING HEIGHT.......300-1900 FT AGL INCREASING TO 5000-6100 FT AGL. TRANSPORT WINDS.....NORTH AROUND 0 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........54 48 41 35 32 27 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............40 45 51 57 62 63 RH..............100 93 72 52 43 41 20 FT WIND......NW 13 NW 13 NW 12 NW 10 N 9 N 7 20 FT WIND GUST.15 15 15 15 10 HAINES INDEX....4 4 4 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). MIN TEMPERATURE.....MIN 41. MAX HUMIDITY........MAX 85 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 9 MPH IN THE LATE EVENING AND OVERNIGHT. 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.......3700-5400 FT AGL DECREASING TO 300-2000 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....NORTH AROUND 0 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........24 19 12 6 10 16 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............62 55 49 46 44 42 RH..............42 52 65 71 77 81 20 FT WIND......N 3 SE 3 S 5 S 6 S 7 SE 8 20 FT WIND GUST.5 5 10 HAINES INDEX....5 6 6 5 4 4 .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....MAX 73. MIN HUMIDITY........MIN 36 PERCENT. WIND (20 FT)........BREEZY. SOUTH WINDS 10 TO 17 MPH INCREASING TO 20 TO 26 MPH LATE IN THE MORNING. HAINES INDEX........3 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300-1700 FT AGL INCREASING TO 4700-5400 FT AGL. TRANSPORT WINDS.....NORTH AROUND 0 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........20 22 24 26 32 40 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............42 53 63 68 72 73 RH..............82 59 45 40 37 36 20 FT WIND......S 10 S 12 S 17 SE 23 S 26 S 25 20 FT WIND GUST. 15 25 30 35 35 HAINES INDEX....4 5 5 5 4 4 $$ FORECASTER...NWS OMAHA/VALLEY REQUESTED BY...MINDY SHEETS TYPE OF REQUEST...PRESCRIBED .TAG 20100427.DESOT.01/OAX