FNUS74 KOHX 201430 FWSOHX SPOT FORECAST FOR THOMPSON BURN...TDF NATIONAL WEATHER SERVICE NASHVILLE TN 930 AM CDT FRI MAR 20 2009 FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON MARCH 20. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...925 MB TO 850 MB LAYER WILL BE QUITE DRY THIS AFTERNOON WITH RH VALUES OF AS LOW AS 5-10% IN THAT LAYER. THOSE RH VALUES WILL INCREASE SOME TOMORROW. OTHERWISE...HIGH PRESSURE OVER THE GREAT LAKES WILL KEEP A NORTH TO NORTHEAST SFC BREEZE GOING TODAY. STABILITY PORTION OF THE HAINES INDEX EQUATION WILL KEEP THE HI VALUES AROUND A 4 FOR TODAY. DELTA-T VALUES NOT LOOKING VERY HIGH THROUGH THE MID LEVELS. .TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). TEMPERATURE.........55 AT IGNITION...MAX 59. RH..................23 PERCENT AT IGNITION...MIN 15 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 6 TO 8 MPH. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 4. TIME (CDT) 1 PM 3 PM 5 PM SKY (%).........CLEAR CLEAR CLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............55 58 57 RH..............23 17 15 EYE LEVEL WIND..N 6 N 6 N 6 EYE LEVEL GUST..10 10 10 MIX HGT (FT)....3800 3400 3400 TRANSPORT WIND..NE 14 NE 13 NE 13 DISPERSION IDX..46 42 38 HAINES INDEX....4 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). TEMPERATURE.........MIN 33. RH..................MAX 74 PERCENT. EYE LEVEL WINDS.....NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. 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. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........CLEAR MCLEAR MCLEAR MCLEAR PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............56 50 45 42 39 38 RH..............19 37 49 56 64 70 EYE LEVEL WIND..N 6 N 4 NE 2 E 2 E 2 E 1 EYE LEVEL GUST..9 6 5 5 5 MIX HGT (FT)....3000 3000 2400 1800 1800 1200 TRANSPORT WIND..NE 13 NE 13 E 14 E 14 E 14 E 14 DISPERSION IDX..37 33 30 26 22 18 HAINES INDEX....4 4 4 4 4 4 .SATURDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). TEMPERATURE.........MAX 60. RH..................MIN 26 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON...THEN BECOMING LIGHT LATE IN THE AFTERNOON. HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........PCLDY MCLDY MCLDY MCLDY MCLDY MCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............35 35 46 53 57 59 RH..............76 84 62 42 31 27 EYE LEVEL WIND..E 2 E 2 SE 3 S 4 S 4 S 4 EYE LEVEL GUST..5 5 5 5 5 5 MIX HGT (FT)....1000 1000 1700 3100 3100 3700 TRANSPORT WIND..SE 14 SE 14 S 14 S 14 S 13 SW 12 DISPERSION IDX..12 15 26 38 41 36 HAINES INDEX....3 3 2 2 2 2 $$ FORECASTER...JOHN COHEN REQUESTED BY...CHRIS CARNEY TYPE OF REQUEST...PRESCRIBED .TAG 20090320.THOMP.01/OHX