FNUS74 KLUB 201737 FWSLUB FIRE WEATHER PLANNING FORECAST FOR MIDDLETON...USDA-NRCS NATIONAL WEATHER SERVICE LUBBOCK TX 1137 AM CST TUE JAN 20 2009 FORECAST IS BASED ON IGNITION TIME OF 0900 CST ON JANUARY 22. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN UPPER LEVEL RIDGE OF HIGH PRESSURE WILL WEAKEN AS IT MOVES INTO WEST TEXAS BY THURSDAY...BUT IN THE PROCESS WILL BRING VERY DRY AND UNSEASONABLY WARM CONDITIONS TO THE AREA. LIGHT WESTERLY WINDS WILL INCREASE TO BETWEEN 10 AND 15 MPH BY LATE THURSDAY MORNING WITH OCCASIONAL AFTERNOON GUSTS UP TO 20 MPH AS MINIMUM RH VALUES LOWER TO 14 PERCENT. A STRONG BUT DRY COLD FRONT IS THEN EXPECTED TO APPROACH THE BURN AREA BY LATE FRIDAY AFTERNOON AS WEST WINDS TURN ABRUPTLY TO THE NORTHEAST BY MIDDAY. COOLER TEMPERATURES ON FRIDAY WILL KEEP MINIMUM RH VALUES GENERALLY ABOVE 25 PERCENT. .THURSDAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). MAX TEMPERATURE.....AROUND 75. MIN HUMIDITY........14 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 8 TO 13 MPH. 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.......0-1700 FT AGL INCREASING TO 2800-4500 FT AGL EARLY IN THE AFTERNOON...THEN INCREASING TO 4800-6400 FT AGL EARLY IN THE AFTERNOON DECREASING TO 2400 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....WEST 7 TO 12 MPH INCREASING TO 16 TO 22 MPH LATE IN THE MORNING...THEN SHIFTING TO THE SOUTHWEST AROUND 12 MPH LATE IN THE AFTERNOON. TIME (CST) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........56 58 60 63 65 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............45 58 68 74 71 RH..............37 23 17 14 16 20 FT WIND......W 8 W 9 W 10 W 10 SW 10 20 FT WIND GUST.15 20 20 20 20 HAINES INDEX....5 5 5 5 4 .THURSDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). MIN TEMPERATURE.....AROUND 43. MAX HUMIDITY........49 PERCENT. WIND (20 FT)........WEST WINDS 9 TO 13 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......0-300 FT AGL. TRANSPORT WINDS.....WEST 8 TO 10 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........66 64 60 58 56 53 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............69 61 56 52 49 47 RH..............17 24 29 35 40 43 20 FT WIND......SW 10 W 10 W 10 W 9 W 8 W 7 20 FT WIND GUST.20 20 20 20 15 15 HAINES INDEX....3 3 3 3 3 3 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 61. MIN HUMIDITY........26 PERCENT. WIND (20 FT)........NORTHEAST WINDS 9 TO 15 MPH. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......0-1700 FT AGL INCREASING TO 1800-2200 FT AGL EARLY IN THE AFTERNOON...THEN INCREASING TO 2400-3100 FT AGL EARLY IN THE AFTERNOON DECREASING TO 2400 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....NORTHWEST 3 TO 8 MPH IN THE MORNING... SHIFTING TO THE NORTHEAST BETWEEN 16 AND 22 MPH BY MID AFTERNOON. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........51 50 49 48 45 40 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............46 45 49 56 59 60 RH..............47 49 41 33 28 26 20 FT WIND......W 7 W 7 W 8 W 9 NW 10 N 11 20 FT WIND GUST.15 15 15 20 20 25 HAINES INDEX....M M M M M M $$ FORECASTER...ZIEBELL REQUESTED BY...KILLOUGH TYPE OF REQUEST...PRESCRIBED .TAG 20090122.MIDDL.01/LUB