FNUS73 KARX 241222 FWSARX SPOT FORECAST FOR TREMP NWR...USFWS NATIONAL WEATHER SERVICE LA CROSSE WI 722 AM CDT TUE APR 24 2012 FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON APRIL 24. IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE NATIONAL WEATHER SERVICE IN LA CROSSE. .DISCUSSION...LOOK FOR CLOUDS TO GRADUALLY DECREASE TODAY WITH A RIDGE OF HIGH PRESSURE OVER THE IGNITION SITE. DRY AIR ASSOCIATED WITH THE RIDGE COMBINED WITH DAYTIME HEATING WILL ALLOW RELATIVE HUMIDITIES TO DROP INTO THE UPPER 30S PERCENT. DUE TO THE RIDGE IN PLACE...PLAN ON LIGHT WINDS. SINCE THE WINDS ARE LIGHT...SMOKE DISPERSAL WILL NOT BE THE GREATEST. CLOUDS WILL INCREASE AGAIN TONIGHT AHEAD OF A LOW PRESSURE SYSTEM APPROACHING THE AREA FROM THE DAKOTAS. SOME SHOWERS AND A FEW THUNDERSTORMS COULD MOVE INTO THE IGNITION SITE AFTER MIDNIGHT...THOUGH BETTER CHANCES ARE WEDNESDAY MORNING. MOST OF THE PRECIPITATION SHOULD EXIT THE AREA IN THE AFTERNOON...THOUGH A FEW MORE SHOWERS AND THUNDERSTORMS CANNOT BE RULED OUT WITH THE LOW PRESSURE SYSTEM STILL NEARBY. .TODAY... SKY/WEATHER.........PARTLY SUNNY. TEMPERATURE.........57 AT IGNITION...MAX 64. RH..................48 PERCENT AT IGNITION...MIN 39. WIND (20 FT)........WINDS NORTHEAST AT 1 MPH AT IGNITION...OTHERWISE LIGHT WINDS. CWR.................NONE. HAINES INDEX........5 OR MODERATE AT IGNITION...MAX 5. SMOKE DISPERSAL.....FAIR /18200 KNOT-FT/ AT IGNITION.MAX...FAIR /27000 KNOT-FT/. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (% OPAQUE)..80 80 65 56 56 47 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............46 51 57 61 63 64 RH..............76 57 48 43 40 40 20 FT WIND......E 1 E 1 NE 1 N 1 N 1 NW 2 20 FT WIND GUST. HAINES INDEX....4 4 5 5 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF PRECIPITATION 40 PERCENT. TEMPERATURE.........MIN 47. RH..................MAX 82 PERCENT. WIND (20 FT)........LIGHT WINDS. CWR.................NONE INCREASING TO 20 PERCENT AFTER MIDNIGHT. HAINES INDEX........MAX 5. SMOKE DISPERSAL.....MIN...POOR /1100 KNOT-FT/. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (% OPAQUE)..44 44 56 65 65 85 WEATHER COV..... CHANCE CHANCE CHANCE WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............61 55 50 48 47 47 RH..............46 59 70 75 78 81 20 FT WIND......NE 2 NE 2 E 2 SE 2 SE 2 SE 3 20 FT WIND GUST. 5 HAINES INDEX....5 4 4 3 3 3 .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY IN THE MORNING. CHANCE OF RAIN SHOWERS IN THE AFTERNOON. CHANCE OF SHOWERS 70 PERCENT. TEMPERATURE.........MAX 67. RH..................MIN 60 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH SHIFTING TO THE SOUTHWEST 5 TO 6 MPH LATE IN THE AFTERNOON. CWR.................70 PERCENT. HAINES INDEX........MAX 4. SMOKE DISPERSAL.....MAX...FAIR /25900 KNOT-FT/. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (% OPAQUE)..93 93 83 76 76 70 WEATHER COV.....LIKELY LIKELY LIKELY CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............48 50 53 60 64 67 RH..............81 85 82 70 64 60 20 FT WIND......SE 5 SE 5 SE 8 S 8 S 8 SW 5 20 FT WIND GUST. 15 15 15 HAINES INDEX....3 3 2 2 3 3 $$ FORECASTER...AJ REQUESTED BY...VICKIE HIRSCHBOECK TYPE OF REQUEST...PRESCRIBED .TAG 20120424.TREMP.01/ARX