FNUS74 KOUN 181147 FWSOUN SPOT FORECAST FOR CEMENT FIRE...BIA NATIONAL WEATHER SERVICE NORMAN OK 647 AM CDT MON APR 18 2011 FORECAST IS BASED ON REQUEST TIME OF 0634 CDT ON APRIL 18. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING... .DISCUSSION... BETTER MOISTURE CURRENTLY AT THE SITE WILL BE PUSHED EAST AS A DRY LINE WILL MOVE ACROSS THIS MORNING. THIS WILL CAUSE A QUICK DROP IN HUMIDITIES DURING THE MID-MORNING HOURS ALONG WITH A SHIFT IN THE SURFACE WINDS TO THE SOUTHWEST AND WEST. A SLOW-MOVING SURFACE FRONT ACROSS NORTHWEST OKLAHOMA WILL ALSO APPROACH THE FIRE THIS AFTERNOON... BUT CURRENTLY IS EXPECTED TO REMAIN NORTH OF THE FIRE. VERY WARM AND VERY DRY AIR WILL PREVAIL SOUTH OF THE FRONT AND WEST OF THE DRY LINE. POOR HUMIDITY RECOVERY IS EXPECTED TONIGHT BEFORE DRYLINE AGAIN SURGES EAST OF THE SITE WITH STRONG SOUTHWEST WINDS AND HOT AND VERY LOW HUMIDITIES OCCUR. A STRONGER COLD FRONT WILL THEN SURGE SOUTH ACROSS THE FIRE LATE TUESDAY AFTERNOON WITH STRONG NORTH WINDS. AFTER A DRY BUT COOL DAY WEDNESDAY... THE CHANCE OF RAIN AND THUNDERSTORMS WILL INCREASE BEGINNING LATE WEDNESDAY INTO THURSDAY AND CONTINUING THROUGH FRIDAY. ANOTHER DECENT CHANCE OF RAIN WILL COME OVER THE WEEKEND. IN THE MEANTIME THERE WILL CONTINUE TO BE AN ENHANCED RISK OF WILDFIRES DUE TO PERIODS OF DRY AND WINDY CONDITIONS... AND AN ABUNDANCE OF DRY FUELS ACROSS THE AREA. .TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 87. MIN HUMIDITY........21 PERCENT. 20-FOOT WINDS.......SOUTHWEST WINDS 6 TO 12 MPH SHIFTING TO THE SOUTHEAST AROUND 6 MPH LATE IN THE AFTERNOON. GUSTS UP TO 25 MPH EARLY IN THE MORNING. MIXING HEIGHT.......600-1600 FT AGL INCREASING TO 6700-7400 FT AGL. TRANSPORT WINDS.....SOUTHWEST 16 TO 25 MPH. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........MCLEAR MCLEAR MCLEAR CLEAR CLEAR CLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............66 63 75 83 86 86 RH..............73 75 45 32 23 23 20 FT WIND......SW 6 SW 10 SW 12 SW 10 W 10 SW 8 20 FT WIND GUST.25 20 20 15 15 15 MIX HGT (FT)....600 2700 4900 6700 7400 7100 MIX HGT (M).....180 820 1490 2040 2260 2160 TRANSPORT WIND..S 22 SW 18 SW 16 W 16 W 21 SW 25 TRAN WIND (M/S).S 10 SW 8 SW 7 W 7 W 9 SW 11 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). MIN TEMPERATURE.....AROUND 57. MAX HUMIDITY........86 PERCENT. 20-FOOT WINDS.......SOUTH WINDS 5 TO 14 MPH. MIXING HEIGHT.......4500-6100 FT AGL DECREASING TO 2000-3800 FT AGL IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....SOUTH 17 TO 25 MPH DECREASING TO 14 TO 18 MPH IN THE LATE EVENING AND OVERNIGHT. .TUESDAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 94. MIN HUMIDITY........9 PERCENT. 20-FOOT WINDS.......WEST WINDS 15 TO 24 MPH WITH GUSTS TO AROUND 35 MPH. MIXING HEIGHT.......2200-4100 FT AGL INCREASING TO 7000-7500 FT AGL. TRANSPORT WINDS.....SOUTHWEST 15 TO 24 MPH INCREASING TO 41 TO 44 MPH. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY... MUCH COOLER. PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 13 MPH. .THURSDAY... MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. SOUTHEAST WINDS AROUND 12 MPH. .FRIDAY... MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 19 MPH. $$ FORECASTER...CURL REQUESTED BY...BIA FIRE TYPE OF REQUEST...WILDFIRE .TAG 20110418.CEMEN.01/OUN