NWS Fire Weather Discussion
000
FNUS54 KOHX 212113
FWFOHX
FIRE WEATHER PLANNING FORECAST FOR MIDDLE TENNESSEE
NATIONAL WEATHER SERVICE NASHVILLE TN
313 PM CST TUE FEB 21 2012
.DISCUSSION...
SERIES OF PASSING LOW LEVEL BOUNDARIES WILL BRING RAIN CHANCES
TO THE AREA THE NEXT FEW DAYS...FOLLOWED BY A COOL DOWN FRIDAY.
DESPITE WINDS REMAINING GUSTY...HIGHER HUMIDITIES WILL KEEP
FIRE DANGER MINIMAL.
TNZ400-221030-
CUMBERLAND DISTRICT (NORTH)-
CANNON-CLAY-CUMBERLAND-DEKALB-FENTRESS-JACKSON-MACON-OVERTON-
PICKETT-PUTNAM-SMITH-TROUSDALE-WARREN-WHITE-
313 PM CST TUE FEB 21 2012
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY PCLDY
TEMP (24H TREND) 36 (+1) 61 (+4) 50 70
RH % (24H TREND) 84 (-10) 52 (+3) 88 45
AM 20FT WND (MPH) S 8-12 G18 SW 9-13
PM 20FT WND (MPH) SW 10-14 SW 11-15 G22 SW 6-10 SW 10-14 G20
PRECIP CHANCE (%) 0 30 20 20
PRECIP TYPE NONE TSTMS TSTMS TSTMS
PRECIP AMOUNT (IN) 0.00 0.10 0.23 0.08
PRECIP DUR (HR) 2 1 1
PRECIP BEGIN 6 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (M-MSL) 1800 2200
MIXING HGT (FT-MSL) 5900 7300
TRANSPORT WND (M/S) SW 16 SW 14
TRANSPORT WND (MPH) SW 36 SW 31
DISPERSION INDEX 51 84 105 91
LAL 1 1 1 2
HAINES INDEX 2 2 2 2
MAXIMUM LVORI 0 0 7 6
RH RECOVERY MODERATE MODERATE
REMARKS...NONE.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE
MID 40S. SOUTHWEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION
60 PERCENT.
.FRIDAY...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE LOWER 50S. MINIMUM RH 41 PERCENT. NORTHWEST WINDS
5 TO 10 MPH.
.FRIDAY NIGHT...PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN
AND SNOW. COLDER. LOWS AROUND 30. WEST WINDS 5 TO 10 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID
40S. MINIMUM RH 33 PERCENT. NORTHEAST WINDS UP TO 10 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER
50S. MINIMUM RH 33 PERCENT. SOUTHWEST WINDS 5 TO 15 MPH.
.MONDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS. LOWS
IN THE LOWER 30S. HIGHS IN THE LOWER 50S. MINIMUM RH 44 PERCENT.
WEST WINDS UP TO 10 MPH.
.TUESDAY...LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 50S. MINIMUM
RH 35 PERCENT.
$$
TNZ501-221030-
HIGHLAND RIM DISTRICT (NORTH)-
CHEATHAM-DAVIDSON-DICKSON-HOUSTON-HUMPHREYS-MONTGOMERY-ROBERTSON-
RUTHERFORD-STEWART-SUMNER-WILSON-WILLIAMSON-
313 PM CST TUE FEB 21 2012
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
TEMP (24H TREND) 37 (-1) 66 (+6) 50 74
RH % (24H TREND) 83 (-7) 43 (+4) 86 40
AM 20FT WND (MPH) S 9-13 G19 SW 10-14
PM 20FT WND (MPH) SW 9-13 SW 11-15 G23 SW 7-11 SW 11-15 G22
PRECIP CHANCE (%) 0 30 0 20
PRECIP TYPE NONE TSTMS NONE TSTMS
PRECIP AMOUNT (IN) 0.00 0.11 0.00 0.07
PRECIP DUR (HR) 2 1
PRECIP BEGIN 6 AM 6 AM
PRECIP END 6 PM CONTINUING
MIXING HGT (M-MSL) 1900 1500
MIXING HGT (FT-MSL) 6100 5000
TRANSPORT WND (M/S) SW 16 SW 19
TRANSPORT WND (MPH) SW 36 SW 43
DISPERSION INDEX 45 69 62 73
LAL 1 1 1 2
HAINES INDEX 2 2 2 2
MAXIMUM LVORI 1 0 4 4
RH RECOVERY MODERATE MODERATE
REMARKS...NONE.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE
MID 40S. WEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION
60 PERCENT.
.FRIDAY...MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE MID 50S. MINIMUM RH 37 PERCENT. NORTHWEST WINDS 5 TO
15 MPH.
.FRIDAY NIGHT...PARTLY CLOUDY. COLDER. LOWS AROUND 30. WEST WINDS
5 TO 10 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S. MINIMUM RH 30 PERCENT. EAST WINDS UP TO 15 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
50S. MINIMUM RH 33 PERCENT. WEST WINDS 5 TO 20 MPH.
.MONDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 50S.
MINIMUM RH 45 PERCENT. NORTH WINDS 5 TO 10 MPH.
.TUESDAY...LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. MINIMUM
RH 33 PERCENT.
$$
TNZ502-221030-
HIGHLAND RIM DISTRICT (SOUTH)-
BEDFORD-GILES-HARDIN-HICKMAN-LEWIS-LAWRENCE-LINCOLN-MARSHALL-
MAURY-PERRY-WAYNE-
313 PM CST TUE FEB 21 2012
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
TEMP (24H TREND) 38 (-3) 67 (+6) 50 73
RH % (24H TREND) 88 (+5) 46 (+7) 90 43
AM 20FT WND (MPH) S 10-14 G22 SW 10-14 G20
PM 20FT WND (MPH) SW 8-12 SW 12-16 G25 SW 7-11 SW 14-18 G25
PRECIP CHANCE (%) 0 40 0 20
PRECIP TYPE NONE TSTMS NONE TSTMS
PRECIP AMOUNT (IN) 0.00 0.12 0.00 0.07
PRECIP DUR (HR) 2 1
PRECIP BEGIN 6 AM 6 AM
PRECIP END 6 PM CONTINUING
MIXING HGT (M-MSL) 1400 1600
MIXING HGT (FT-MSL) 4600 5300
TRANSPORT WND (M/S) SW 14 SW 12
TRANSPORT WND (MPH) SW 31 SW 26
DISPERSION INDEX 28 63 50 75
LAL 1 1 1 2
HAINES INDEX 3 2 2 2
MAXIMUM LVORI 0 0 6 6
RH RECOVERY MODERATE MODERATE
REMARKS...NONE.
.FORECAST FOR DAYS 3 THROUGH 7...
.THURSDAY NIGHT...SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE
MID 40S. WEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION
60 PERCENT.
.FRIDAY...MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS.
HIGHS IN THE MID 50S. MINIMUM RH 37 PERCENT. NORTHWEST WINDS
10 TO 15 MPH.
.FRIDAY NIGHT...MOSTLY CLEAR. COLDER. LOWS IN THE LOWER 30S.
NORTHWEST WINDS 5 TO 10 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE LOWER 50S.
MINIMUM RH 29 PERCENT. EAST WINDS UP TO 15 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S. MINIMUM RH 31 PERCENT. WEST WINDS 5 TO 20 MPH.
.MONDAY...MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE MID 50S. MINIMUM
RH 44 PERCENT. NORTH WINDS 5 TO 15 MPH.
.TUESDAY...LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. MINIMUM
RH 34 PERCENT.
$$
END/07