FNUS73 KICT 231956 FWSICT SPOT FORECAST FOR GRASSFIREHESSTON...KANSAS FOREST SERVICE NATIONAL WEATHER SERVICE WICHITA KS 256 PM CDT TUE AUG 23 2011 FORECAST IS BASED ON REQUEST TIME OF 1446 CDT ON AUGUST 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT WEDNESDAY... .DISCUSSION... STRONG GUSTY SOUTHWESTERLY WINDS WILL CONTINUE UNTIL SUN DOWN. THESE WINDS WILL BE SUSTAINED AROUND 20 MPH WITH GUSTS TO NEAR 30 MPH. AFTER THE SUN SETS...THE WINDS WILL DECREASE AND BECOME MORE SOUTHERLY AROUND 10 TO 15 MPH. BY LATE WEDNESDAY MORNING A COLD FRONT WILL BE MOVING THROUGH THE AREA WHICH WILL CAUSE THE WIND DIRECTION TO CHANGE TO THE NORTH AROUND 10 MPH. RELATIVE HUMIDITIES WILL BE AROUND 25 PERCENT DURING THE DAY AT PEAK HEATING THIS AFTERNOON. THEY WILL INCREASE OVERNIGHT TO 50 TO 60 PERCENT. BILLINGS .REST OF TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). MAX TEMPERATURE.....AROUND 105. MIN HUMIDITY........26 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 13 TO 17 MPH WITH GUSTS TO AROUND 30 MPH. CWR.................0 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3700-4000 FT AGL. MIXING WINDS........SOUTHWEST 24 TO 25 MPH. TIME (CDT) 2PM 3PM 4PM 5PM 6PM SKY (%).........0 0 0 9 10 WEATHER COV..... WEATHER TYPE.... TEMP............103 104 104 103 103 RH..............29 28 27 27 28 20 FT WIND DIR..SW SW SW SW SW 20 FT WIND SPD..14 14 14 13 10 20 FT WIND GUST.30 30 30 30 25 MIX HGT (KFT)...3.7 3.8 3.9 4.0 4.0 MIXNG WIND DIR..SW SW SW SW SW MIXNG WIND SPD..25 25 25 25 24 CWR.............0 0 0 0 0 HAINES INDEX....5 5 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). MIN TEMPERATURE.....AROUND 75. MAX HUMIDITY........65 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 6 TO 10 MPH. CWR.................0 PERCENT. HAINES INDEX........4 TO 5 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2100-4000 FT AGL DECREASING TO 300-1500 FT AGL IN THE LATE EVENING AND OVERNIGHT. MIXING WINDS........SOUTHWEST 15 TO 24 MPH. TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........10 10 10 10 10 10 11 11 11 11 11 11 WEATHER COV..... WEATHER TYPE.... TEMP............100 96 92 89 87 85 83 82 80 79 78 77 RH..............28 32 37 41 45 48 52 54 57 60 62 65 20 FT WIND DIR..SW S S S S S S S S S S SW 20 FT WIND SPD..8 7 6 6 6 6 6 6 6 6 5 5 20 FT WIND GUST.15 15 10 10 10 10 10 10 10 10 10 MIX HGT (KFT)...4.0 3.4 2.8 2.1 1.5 0.9 0.3 0.3 0.3 0.3 0.3 0.3 MIXNG WIND DIR..SW SW S S S S S S S S S SW MIXNG WIND SPD..24 23 22 21 20 18 17 16 16 16 16 15 CWR.............0 0 0 0 0 0 0 0 0 0 0 0 HAINES INDEX....5 5 5 5 4 4 4 4 4 4 4 4 $$ FORECASTER...BILLINGS REQUESTED BY...RODNEY REDINGER TYPE OF REQUEST...WILDFIRE .TAG 20110823.GRASS.02/ICT