FNUS73 KARX 171440 FWSARX SPOT FORECAST FOR PR23...US FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE LA CROSSE WI 940 AM CDT MON MAY 17 2010 FORECAST IS BASED ON IGNITION TIME OF 1130 CDT ON MAY 17. IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE NATIONAL WEATHER SERVICE IN LA CROSSE. .DISCUSSION...A BROAD AREA OF DRY HIGH PRESSURE WILL REMAIN OVER THE UPPER MIDWEST TODAY INTO TUESDAY...WITH THE RIDGE AXIS FROM LAKE SUPERIOR TO SOUTHWEST MINNESOTA...NORTH OF THE BURN AREA. THIS WILL KEEP AN EAST TO NORTHEAST WIND FLOW ACROSS THE BURN AREA THROUGH TUESDAY. DAYTIME HEATING WILL PRODUCE MIXING TO AROUND 6000 FT AGL DURING THE AFTERNOONS BOTH TODAY AND TUESDAY. WINDS DURING THE AFTERNOONS WILL INCREASE TO AROUND 10 MPH...WITH GUSTS TO AROUND 15 MPH. WINDS WILL QUICKLY DIMINISH WITH SUNSET. THIS DEEP MIXING WILL ALSO MIX DRIER AIR ALOFT TO THE SURFACE...WITH AFTERNOON DEW POINTS FALLING TO AROUND 40F AND MINIMUM AFTERNOON HUMIDITIES APPROACHING 30 PERCENT. CLOUDS WILL BE LIMITED TO SCT- BKN CIRRUS...WITH PERHAPS A FEW CUMULUS CLOUDS DURING PEAK HEATING IN THE AFTERNOONS. .TODAY... SKY/WEATHER.........PARTLY CLOUDY. TEMPERATURE.........65 AT IGNITION...MAX 71. MIN HUMIDITY........42 PERCENT AT IGNITION...MIN 32. WIND (20 FT)........WINDS NORTHEAST AT 8 MPH AT IGNITION... OTHERWISE NORTHEAST WINDS AROUND 5 MPH INCREASING TO NORTHEAST AT 10 MPH FOR THE LATE MORNING AND AFTERNOON. CWR.................NONE. HAINES INDEX........5 OR MODERATE AT IGNITION...MAX 5. SMOKE DISPERSAL.....EXCELLENT /74100 KNOT-FT/ AT IGNITION. MAX...EXCELLENT /107800 KNOT-FT/. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (% OPAQUE)..16 16 34 48 48 50 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............47 57 62 67 70 70 RH..............89 59 47 37 33 32 20 FT WIND......N 5 N 5 NE 8 NE 10 NE 10 NE 10 20 FT WIND GUST. 15 15 15 15 HAINES INDEX....4 4 4 5 5 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. MIN TEMPERATURE.....44. MAX HUMIDITY........93 PERCENT. WIND (20 FT)........NORTHEAST WINDS 5 TO 8 MPH DECREASING TO 5 MPH OR LESS BY MID EVENING. CWR.................NONE. HAINES INDEX........MAX 5. SMOKE DISPERSAL.....MIN...POOR /1800 KNOT-FT/. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (% OPAQUE)..50 50 45 43 43 43 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............67 58 53 50 47 45 RH..............36 49 59 68 76 86 20 FT WIND......NE 7 NE 7 NE 6 NE 5 NE 5 NE 5 20 FT WIND GUST.10 10 10 HAINES INDEX....5 5 5 5 4 4 .TUESDAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....74. MIN HUMIDITY........29 PERCENT. WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH. CWR.................NONE. HAINES INDEX........MAX 5. SMOKE DISPERSAL.....MAX...EXCELLENT /90900 KNOT-FT/. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (% OPAQUE)..42 42 39 36 36 36 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............47 57 65 70 73 73 RH..............83 55 40 33 30 30 20 FT WIND......NE 5 NE 5 NE 7 NE 9 NE 9 NE 9 20 FT WIND GUST. 10 15 15 15 HAINES INDEX....4 5 5 5 5 5 $$ FORECASTER...RRS REQUESTED BY...MICHAEL BELSKY TYPE OF REQUEST...PRESCRIBED .TAG 20100517.PR23_.01/ARX