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 300710 FWFOHX Fire Weather Planning Forecast for Middle Tennessee National Weather Service Nashville TN 210 AM CDT Fri Oct 30 2020 .DISCUSSION... Middle Tennessee is transitioning into a much drier weather pattern. Conditions will be cool today with north winds around 10 mph with min RH values at or above 50%. A cold front will pass through the area on Sunday with N winds at 10-20 mph and min RH values in the northwest around 40-45%. After a heavy frost Monday morning, afternoon min RH values will dip into the low 30% range and perhaps the upper 20s, but winds will be light. Tuesday min RH values will be slightly higher in the mid 30 to low 40 percent range. Moisture will increase slightly through the Friday but no chances of rain are in the forecast. TNZ005>008-023>028-059-062-302215- 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 210 AM CDT Fri Oct 30 2020 Today Tonight Sat Cloud Cover Pcldy Mclear Mclear Temp (24H Trend) 53 (-15) 36 (-1) 62 RH % (24H Trend) 56 (-23) 98 (+2) 51 AM 20FT Wnd (mph) N 7-11 E 4-8 PM 20FT Wnd (mph) N 6-10 NE 3-7 S 4-8 Precip Chance (%) 10 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) 1100 1000 Mixing Hgt (ft-msl) 3700 3300 Transport Wnd (m/s) N 6 S 7 Transport Wnd (mph) N 14 S 15 Vent Rate (m/s-m) 7830 7263 Category Day 3 3 Dispersion Index 32 0 20 LAL 1 1 1 Haines Index 3 3 2 Maximum LVORI 9 10 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. South winds 5 to 10 mph. .SUNDAY...Mostly sunny. Highs in the upper 50s. Minimum RH 42 percent. Northwest winds 5 to 15 mph. .SUNDAY NIGHT...Clear. Widespread frost. Colder. Lows around 30. North winds 5 to 10 mph. .MONDAY...Sunny. Areas of frost. Highs in the lower 50s. Minimum RH 35 percent. North winds up to 5 mph shifting to the northwest in the afternoon. .TUESDAY...Clear. Widespread frost. Areas of frost. Lows in the mid 30s. Highs in the lower 60s. Minimum RH 42 percent. Southwest winds up to 5 mph. .WEDNESDAY...Mostly clear. Lows around 40. Highs in the upper 60s. Minimum RH 44 percent. South winds up to 5 mph. .THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper 60s. Minimum RH 49 percent. South winds up to 5 mph. $$ TNZ009>011-029>034-063>066-078-080-302215- Cannon-Clay-Cumberland-De Kalb-Fentress-Jackson-Macon-Overton- Pickett-Putnam-Smith-Trousdale-Van Buren-Warren-White- Including the cities of Allardt, Byrdstown, Carthage, Celina, Cookeville, Crossville, Gainesboro, Gordonsville, Hartsville, Jamestown, Lafayette, Livingston, McMinnville, Smithville, South Carthage, Sparta, Spencer, and Woodbury 210 AM CDT Fri Oct 30 2020 Today Tonight Sat Cloud Cover Pcldy Mclear Mclear Temp (24H Trend) 51 (-22) 36 (-3) 61 RH % (24H Trend) 62 (+1) 95 (-1) 49 AM 20FT Wnd (mph) N 7-11 SE 3-7 PM 20FT Wnd (mph) N 7-11 NE 4-8 S 3-7 Precip Chance (%) 10 0 0 Precip Type None None None Precip Amount (in) 0.00 0.00 0.00 Precip Dur (hr) Precip Begin Precip End Mixing Hgt (m-msl) 1200 1200 Mixing Hgt (ft-msl) 4100 3800 Transport Wnd (m/s) N 6 S 6 Transport Wnd (mph) N 14 S 14 Vent Rate (m/s-m) 8001 7024 Category Day 3 3 Dispersion Index 34 0 20 LAL 1 1 1 Haines Index 3 4 3 Maximum LVORI 7 10 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. South winds 5 to 10 mph. .SUNDAY...Partly sunny. Highs in the upper 50s. Minimum RH 46 percent. West winds 5 to 15 mph. .SUNDAY NIGHT...Clear. Widespread frost. Colder. Lows in the upper 20s. Northwest winds 5 to 10 mph. .MONDAY...Sunny. Areas of frost. Highs around 50. Minimum RH 35 percent. Northwest winds up to 5 mph. .TUESDAY...Clear. Widespread frost. Areas of frost. Lows in the lower 30s. Highs in the upper 50s. Minimum RH 39 percent. Southwest winds up to 5 mph. .WEDNESDAY...Clear. Lows in the upper 30s. Highs in the mid 60s. Minimum RH 43 percent. South winds up to 5 mph. .THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the upper 60s. Minimum RH 47 percent. South winds up to 5 mph. $$ TNZ056>058-060-061-075-076-092>096-302215- 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 210 AM CDT Fri Oct 30 2020 Today Tonight Sat Cloud Cover Pcldy Mclear Mclear Temp (24H Trend) 55 (-13) 37 (-1) 63 RH % (24H Trend) 55 (-16) 97 (+1) 51 AM 20FT Wnd (mph) N 7-11 E 4-8 PM 20FT Wnd (mph) N 6-10 NE 3-7 S 4-8 Precip Chance (%) 10 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) 1100 1000 Mixing Hgt (ft-msl) 3500 3400 Transport Wnd (m/s) N 7 S 8 Transport Wnd (mph) N 15 S 17 Vent Rate (m/s-m) 8432 7938 Category Day 3 3 Dispersion Index 36 0 23 LAL 1 1 1 Haines Index 3 3 3 Maximum LVORI 8 10 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. South winds around 5 mph. .SUNDAY...Mostly sunny. Highs in the lower 60s. Minimum RH 43 percent. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Clear. Widespread frost. Colder. Lows in the lower 30s. North winds 5 to 10 mph. .MONDAY...Sunny. Areas of frost. Highs in the mid 50s. Minimum RH 35 percent. North winds up to 5 mph. .TUESDAY...Clear. Widespread frost. Areas of frost. Lows in the lower 30s. Highs in the lower 60s. Minimum RH 39 percent. Southwest winds up to 5 mph. .WEDNESDAY...Mostly clear. Lows in the upper 30s. Highs in the upper 60s. Minimum RH 42 percent. South winds up to 5 mph. .THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper 60s. Minimum RH 48 percent. South winds up to 5 mph. $$ TNZ077-079-097-302215- Coffee-Franklin-Grundy- Including the cities of Altamont, Coalmont, Cowan, Decherd, Estill Springs, Manchester, Sewanee, Tullahoma, and Winchester 210 AM CDT Fri Oct 30 2020 Today Tonight Sat Cloud Cover Pcldy Mclear Mclear Temp (24H Trend) 52 (-19) 37 (-2) 61 RH % (24H Trend) 61 (+1) 92 (-4) 49 AM 20FT Wnd (mph) N 7-11 G16 SE 4-8 PM 20FT Wnd (mph) N 7-11 N 6-10 SE 4-8 Precip Chance (%) 10 0 0 Precip Type None None None Precip Amount (in) 0.00 0.00 0.00 Precip Dur (hr) Precip Begin Precip End Mixing Hgt (m-msl) 1000 800 Mixing Hgt (ft-msl) 3400 2700 Transport Wnd (m/s) N 8 S 8 Transport Wnd (mph) N 17 S 18 Vent Rate (m/s-m) 8188 7018 Category Day 3 3 Dispersion Index 39 0 23 LAL 1 1 1 Haines Index 3 4 3 Maximum LVORI 5 10 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. South winds 5 to 10 mph. .SUNDAY...Partly sunny. Highs around 60. Minimum RH 47 percent. Northwest winds 5 to 10 mph. .SUNDAY NIGHT...Clear. Widespread frost. Colder. Lows around 30. North winds 5 to 10 mph. .MONDAY...Sunny. Areas of frost. Highs in the lower 50s. Minimum RH 34 percent. North winds up to 5 mph. .TUESDAY...Clear. Widespread frost. Areas of frost. Lows in the lower 30s. Highs in the lower 60s. Minimum RH 37 percent. Southwest winds up to 5 mph. .WEDNESDAY...Mostly clear. Lows in the upper 30s. Highs in the mid 60s. Minimum RH 41 percent. South winds up to 5 mph. .THURSDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper 60s. Minimum RH 46 percent. South winds up to 5 mph. $$
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