FNUS73 KDDC 051253 FWSDDC SPOT FORECAST FOR WEST LSM BLOCK D...U.S. FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE DODGE CITY KS 753 AM CDT WED AUG 5 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON AUGUST 05. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A SURFACE FRONT WILL REMAIN NEARLY STATIONARY WEDNESDAY NEAR THE OKLAHOMA BORDER. EAST TO SOUTHEAST UPSLOPE FLOW AT 5 TO 15 MPH ARE EXPECTED NORTH OF THE FRONT TODAY WITH MINIMUM RELATIVE HUMIDITY FROM 35 PERCENT TO 40 PERCENT. THIS FRONT COULD MOVE BACK NORTH AS A WARM FRONT INTO CENTRAL KANSAS ON THURSDAY. IF THIS HAPPENS THEN WINDS WOULD SWITCH TO THE SOUTH AND AFTERNOON RELATIVE HUMIDITIES WOULD DROP TO 25 TO 30 PERCENT. HOWEVER...THERE IS A CHANCE THAT A STORM CLUSTER COULD DEVELOP TONIGHT IN SOUTHWEST KANSAS. COOL OUTFLOW FROM THIS STORM CLUSTER COULD HELP KEEP THE FRONT TO OUR SOUTH ON THURSDAY WITH HIGHER RELATIVE HUMIDITIES IN THE UPSLOPE REGION NORTH OF THE FRONT ONCE AGAIN. .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 93. MIN HUMIDITY........38 PERCENT. EYE LEVEL WINDS.....EAST WINDS 8 TO 12 MPH. WIND (20 FT)........EAST WINDS 8 TO 12 MPH. CWR.................10 PERCENT. HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......900-2500 FT AGL INCREASING TO 5300-5900 FT AGL. TRANSPORT WINDS.....SOUTHEAST 8 TO 18 MPH. TIME (CDT) 10 AM NOON 2 PM 4 PM 6 PM SKY (%).........16 12 13 17 21 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............81 88 92 93 92 RH..............63 50 44 41 41 20 FT WIND......E 10 E 10 E 10 E 10 E 10 20 FT WIND GUST.15 15 15 15 15 EYE LEVEL WIND..E 10 E 10 E 10 E 10 E 10 WIND GUST..15 15 15 15 15 HAINES INDEX....5 5 5 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. MIN TEMPERATURE.....AROUND 72. MAX HUMIDITY........73 PERCENT. EYE LEVEL WINDS.....EAST WINDS 6 TO 14 MPH. WIND (20 FT)........EAST WINDS 6 TO 14 MPH. GUSTS UP TO 25 MPH EARLY IN THE EVENING. CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE LATE EVENING AND OVERNIGHT. HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4200-5900 FT AGL DECREASING TO 800-2500 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....EAST 17 TO 24 MPH. TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM SKY (%).........28 41 52 45 37 36 WEATHER COV..... S CHC S CHC S CHC S CHC WEATHER TYPE....NONE NONE RNSHWR RNSHWR RNSHWR RNSHWR TEMP............90 83 79 77 75 73 RH..............44 53 60 64 66 71 20 FT WIND......E 11 E 10 E 8 E 7 E 6 E 5 20 FT WIND GUST.25 20 15 15 10 10 EYE LEVEL WIND..E 11 E 10 E 8 E 7 E 6 E 5 WIND GUST..25 20 15 15 10 10 HAINES INDEX....4 4 4 3 3 3 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 99. MIN HUMIDITY........29 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 6 TO 14 MPH INCREASING TO 16 TO 17 MPH EARLY IN THE AFTERNOON. WIND (20 FT)........SOUTH WINDS 6 TO 14 MPH WITH GUSTS TO AROUND 25 MPH INCREASING TO 16 TO 17 MPH WITH GUSTS TO AROUND 30 MPH EARLY IN THE AFTERNOON. CWR.................10 PERCENT. HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......800-2500 FT AGL INCREASING TO 6800-8500 FT AGL. TRANSPORT WINDS.....SOUTH 13 TO 17 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........36 37 37 37 37 37 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............72 80 89 95 98 99 RH..............73 60 47 37 32 29 20 FT WIND......E 5 SE 5 S 6 S 10 S 13 S 14 20 FT WIND GUST. 10 15 20 30 30 EYE LEVEL WIND..E 5 SE 5 S 6 S 10 S 13 S 14 WIND GUST.. 10 15 20 30 30 HAINES INDEX....4 4 4 4 4 4 $$ FORECASTER...FINCH REQUESTED BY...BILL WALN TYPE OF REQUEST...PRESCRIBED .TAG 20090805.WESTL.01/DDC