FNUS73 KGRB 201304 FWSGRB SPOT FORECAST FOR UIHLEIN-SAVANNA...USFWS NATIONAL WEATHER SERVICE GREEN BAY WI 804 AM CDT TUE APR 20 2010 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 20. IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE NATIONAL WEATHER SERVICE IN GREEN BAY. .DISCUSSION...A COLD FRONT OVER NORTHERN LAKE SUPERIOR WILL DROP SOUTH... REACHING THE BURN SITE DURING THE MID TO LATE EVENING HOURS. THERE IS A VERY SMALL CHANCE OF A LIGHT SHOWER WITH THE FRONTAL PASSAGE...BUT GIVEN THE DRY AIR IN PLACE OVER THE REGION...WILL NOT FORECAST ANY PRECIPITATION AT THIS TIME. COOLER TEMPERATURES CAN BE EXPECTED IN THE WAKE OF THE FRONT ON WEDNESDAY. .TODAY... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY. TEMPERATURE.........57 AT IGNITION...MAX 69. RELATIVE HUMIDITY...40 PERCENT AT IGNITION...MIN 26 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WIND...BECOMING WEST-SOUTHWEST 4 TO 8 MPH BY MID-AFTERNOON. MIXING HEIGHT.......4800 FT AGL AT IGNITION...INCREASING TO 6500 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....NORTHWEST AT AROUND 5 MPH AT IGNITION...THEN NORTHWEST AROUND 10 MPH. SMOKE DISPERSAL.....19200 /FAIR/ AT IGNITION...THEN 41700 /GOOD/. TIME (CDT) 11 AM 1 PM 3 PM 5 PM SKY (%).........PCLDY PCLDY PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............57 65 68 68 RH..............40 31 26 27 20 FT WIND......W 2 W 2 WSW 6 WSW 6 20 FT WIND GUST.5 5 10 10 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. MIN TEMPERATURE.....40. RELATIVE HUMIDITY...MAX 80 PERCENT. WIND (20 FT)........WEST 4 TO 8 MPH IN THE EVENING...THEN SHIFTING TO THE NORTH LATE IN THE EVENING...THEN NORTHEAST AROUND 10 MPH AFTER MIDNIGHT. MIXING HEIGHT.......4900 FT AGL DECREASING TO 600 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....WEST 6 TO 11 MPH SHIFTING TO THE NORTHEAST 9 TO 14 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....5200 /POOR/. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........PCLDY PCLDY PCLDY PCLDY PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............63 53 48 45 42 40 RH..............36 52 63 70 77 79 20 FT WIND......W 5 W 5 N 7 N 8 NE 10 NE 10 20 FT WIND GUST.5 5 10 10 15 15 $$ FORECASTER...KIECKBUSCH REQUESTED BY...DEREK CASBON TYPE OF REQUEST...PRESCRIBED .TAG 20100420.UIHLE.01/GRB