Middle Tennessee Fire Weather

The National Weather Service Fire Weather Program emerged in response to a need for weather support to large and dangerous wildfires. This service is provided to federal and state land management agencies for the prevention, suppression, and management of forest and rangeland fires. The National Weather Service Forecast Office in Nashville provides year-round fire weather forecasts for most of Middle Tennessee. Routine fire weather forecasts are issued daily for Tennessee Division of Forestry Districts 4 and 5.

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Hourly Weather Forecast	Fire Weather Planning Forecast
	000 FNUS54 KOHX 180645 FWFOHX Fire Weather Planning Forecast for Middle Tennessee National Weather Service Nashville TN 145 AM CDT Fri Sep 18 2020 .DISCUSSION...A prolonged stretch of mild, rain-free weather begins today across Middle Tennessee. High pressure will start building into the mid state and will be the dominant weather feature for at least the next 7 days. There are no fire weather concerns at this time. TNZ005>008-023>028-059-062-182215- Cheatham-Davidson-Dickson-Houston-Humphreys-Montgomery-Robertson- Rutherford-Stewart-Sumner-Williamson-Wilson- Including the cities of Ashland City, Brentwood, Clarksville, Dickson, Dover, Erin, Franklin, Gallatin, Goodlettsville, Hendersonville, Kingston Springs, La Vergne, Lebanon, McEwen, Mount Juliet, Murfreesboro, Nashville, New Johnsonville, Smyrna, Springfield, Tennessee Ridge, and Waverly 145 AM CDT Fri Sep 18 2020 Today Tonight Sat Cloud Cover Pcldy Mclear Mclear Temp (24H Trend) 74 (-8) 50 (-12) 73 RH % (24H Trend) 51 (-3) 85 (-5) 49 AM 20FT Wnd (mph) N 9-13 G20 NE 6-10 PM 20FT Wnd (mph) N 10-14 G20 N 10-14 NE 6-10 Precip Chance (%) 0 0 0 Precip Type None None None Precip Amount (in) 0.00 0.00 0.00 Precip Dur (hr) Precip Begin Precip End Mixing Hgt (m-msl) 1400 1500 Mixing Hgt (ft-msl) 4600 5100 Transport Wnd (m/s) NE 9 NE 5 Transport Wnd (mph) NE 21 NE 12 Vent Rate (m/s-m) 12913 8431 Category Day 4 3 Dispersion Index 52 8 31 LAL 1 1 1 Haines Index 5 4 4 Maximum LVORI 8 6 7 RH Recovery Moderate Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY NIGHT...Mostly clear. Lows around 50. Northeast winds up to 5 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Minimum RH 49 percent. Northeast winds up to 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. East winds up to 5 mph. .MONDAY...Mostly sunny. Highs in the mid 70s. Minimum RH 46 percent. Southeast winds up to 5 mph shifting to the east in the afternoon. .TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. Minimum RH 46 percent. Northeast winds up to 5 mph. .WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 46 percent. East winds up to 5 mph. .THURSDAY...Mostly clear. Lows in the lower 50s. Highs around 80. Minimum RH 47 percent. Southwest winds up to 5 mph. $$ TNZ009>011-029>034-063>066-078-080-182215- Cannon-Clay-Cumberland-De Kalb-Fentress-Jackson-Macon-Overton- Pickett-Putnam-Smith-Trousdale-Van Buren-Warren-White- Including the cities of Allardt, Byrdstown, Carthage, Celina, Cookeville, Crossville, Gainesboro, Gordonsville, Hartsville, Jamestown, Lafayette, Livingston, McMinnville, Smithville, South Carthage, Sparta, Spencer, and Woodbury 145 AM CDT Fri Sep 18 2020 Today Tonight Sat Cloud Cover Pcldy Pcldy Pcldy Temp (24H Trend) 72 (-7) 50 (-11) 73 RH % (24H Trend) 56 (-5) 87 (-6) 51 AM 20FT Wnd (mph) N 8-12 NE 4-8 PM 20FT Wnd (mph) N 9-13 N 7-11 NE 4-8 Precip Chance (%) 0 0 0 Precip Type None None None Precip Amount (in) 0.00 0.00 0.00 Precip Dur (hr) Precip Begin Precip End Mixing Hgt (m-msl) 1500 1600 Mixing Hgt (ft-msl) 4800 5400 Transport Wnd (m/s) N 8 NE 3 Transport Wnd (mph) N 18 NE 7 Vent Rate (m/s-m) 11752 7470 Category Day 4 3 Dispersion Index 46 8 20 LAL 1 1 1 Haines Index 4 4 4 Maximum LVORI 10 7 8 RH Recovery Moderate Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY NIGHT...Mostly clear. Lows around 50. Northeast winds up to 5 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Minimum RH 48 percent. Northeast winds up to 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. East winds up to 5 mph. .MONDAY...Mostly sunny. Highs in the mid 70s. Minimum RH 43 percent. Southeast winds up to 5 mph shifting to the northeast in the afternoon. .TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the mid 70s. Minimum RH 44 percent. North winds up to 5 mph. .WEDNESDAY...Mostly clear. Lows around 50. Highs in the upper 70s. Minimum RH 44 percent. North winds up to 5 mph. .THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 45 percent. West winds up to 5 mph. $$ TNZ056>058-060-061-075-076-092>096-182215- Bedford-Giles-Hardin-Hickman-Lawrence-Lewis-Lincoln-Marshall-Maury- Moore-Perry-Wayne- Including the cities of Centerville, Clifton, Columbia, Fayetteville, Hohenwald, Lawrenceburg, Lewisburg, Linden, Lobelville, Lynchburg, Olive Hill, Pickwick Dam, Pulaski, Savannah, Shelbyville, and Waynesboro 145 AM CDT Fri Sep 18 2020 Today Tonight Sat Cloud Cover Pcldy Mclear Pcldy Temp (24H Trend) 75 (-8) 52 (-10) 74 RH % (24H Trend) 55 (-3) 86 (-4) 52 AM 20FT Wnd (mph) N 9-13 NE 4-8 PM 20FT Wnd (mph) NE 9-13 G20 N 8-12 NE 4-8 Precip Chance (%) 0 0 0 Precip Type None None None Precip Amount (in) 0.00 0.00 0.00 Precip Dur (hr) Precip Begin Precip End Mixing Hgt (m-msl) 1300 1500 Mixing Hgt (ft-msl) 4400 4800 Transport Wnd (m/s) NE 9 NE 5 Transport Wnd (mph) NE 21 NE 10 Vent Rate (m/s-m) 13113 8245 Category Day 4 3 Dispersion Index 52 8 25 LAL 1 1 1 Haines Index 4 4 4 Maximum LVORI 8 7 7 RH Recovery Moderate Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY NIGHT...Mostly clear. Lows in the lower 50s. Northeast winds up to 5 mph. .SUNDAY...Mostly sunny. Highs in the upper 70s. Minimum RH 50 percent. Northeast winds up to 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. East winds up to 5 mph. .MONDAY...Mostly sunny. Highs in the mid 70s. Minimum RH 44 percent. East winds up to 5 mph. .TUESDAY...Mostly clear. Lows around 50. Highs in the mid 70s. Minimum RH 45 percent. East winds up to 5 mph. .WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 45 percent. Northeast winds up to 5 mph. .THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 46 percent. Southwest winds up to 5 mph. $$ TNZ077-079-097-182215- Coffee-Franklin-Grundy- Including the cities of Altamont, Coalmont, Cowan, Decherd, Estill Springs, Manchester, Sewanee, Tullahoma, and Winchester 145 AM CDT Fri Sep 18 2020 Today Tonight Sat Cloud Cover Pcldy Pcldy Pcldy Temp (24H Trend) 74 (-7) 53 (-8) 73 RH % (24H Trend) 55 (-5) 89 (-5) 53 AM 20FT Wnd (mph) N 9-13 NE 3-7 PM 20FT Wnd (mph) N 9-13 G20 N 9-13 LGT/VAR Precip Chance (%) 0 0 0 Precip Type None None None Precip Amount (in) 0.00 0.00 0.00 Precip Dur (hr) Precip Begin Precip End Mixing Hgt (m-msl) 1500 1300 Mixing Hgt (ft-msl) 4900 4200 Transport Wnd (m/s) NE 8 NE 3 Transport Wnd (mph) NE 18 NE 6 Vent Rate (m/s-m) 11875 3600 Category Day 4 2 Dispersion Index 49 9 12 LAL 1 1 1 Haines Index 4 3 3 Maximum LVORI 10 8 9 RH Recovery Moderate Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. Northeast winds up to 5 mph. .SUNDAY...Mostly sunny. Highs in the mid 70s. Minimum RH 48 percent. Northeast winds up to 5 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. East winds around 5 mph. .MONDAY...Mostly sunny. Highs in the mid 70s. Minimum RH 39 percent. East winds up to 5 mph. .TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the mid 70s. Minimum RH 40 percent. North winds up to 5 mph. .WEDNESDAY...Mostly clear. Lows around 50. Highs in the upper 70s. Minimum RH 41 percent. North winds up to 5 mph. .THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. Minimum RH 42 percent. Southwest winds up to 5 mph. $$
Digital Tabular Forecast

Minimum Potential Accumulation Expect at least this much. This is what we see as the least amount of snow the storm can produce. This information is for advance planning ahead of the storm. It is provided out as far as three days. However, when the snow starts to fall, this will be discontinued to focus on the forecast snow amount. Most Likely Snow Accumulation Represents our official snow forecast in inches within the next one to three days. The snowfall amounts are provided in point (single number) and ranges (1-2", 2-4", etc.). You can toggle between the two by hovering over the "Point" and "Range" text above the image. The point amount is our forecast but the range for the "most likely" represents the forecast uncertainty in predefined ranges. Maximum Potential Accumulation What you should be prepared for. This is what we see as the storm's maximum potential snowfall accumulation. This information is for advance planning ahead of the storm. It is provided out as far as three days. However, when the snow starts to fall, this will be discontinued to focus on the forecast snow amount.

Short to Long-Range Forecast

Days 1-2 Forecast Precipitation	Days 1-3 Forecast Precipitation


Days 4-5 Forecast Precipitation	Days 6-7 Forecast Precipitation


Days 6-10
Temperature	Precipitation


Days 8-14
TEMPERATURE	PRECIPITATION


Week 3-4
TEMPERATURE	PRECIPITATION