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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Fire Weather Forecasts


Hourly Weather Forecast	Fire Weather Planning Forecast
	000 FNUS54 KOHX 171052 FWFOHX Fire Weather Planning Forecast for Middle Tennessee National Weather Service Nashville TN 452 AM CST Thu Jan 17 2019 .DISCUSSION... Rain will overspread all of Middle Tennessee today, and cannot rule out a couple of thunderstorms as well. Rain will end from west to east tonight, with cool and dry conditions anticipated for Friday. Heavier rain and some thunderstorms will arrive late Friday night into Saturday and continue much of the day, with rainfall totals between 1 and 3 inches expected. An Arctic cold front will bring much colder air into the area Saturday night, with rain changing to light snow before ending Sunday morning. Light snow accumulations are possible, especially along and north of I-40. Cold but dry weather will continue through Monday before a quick warmup commences on Tuesday. Yet more rain is expected for Wednesday. TNZ501-172245- Highland Rim District - North- Including the Counties of Cheatham, Davidson, Dickson, Houston, Humphreys, Montgomery, Robertson, Rutherford, Stewart, Sumner, Williamson, and Wilson 452 AM CST Thu Jan 17 2019 Today Tonight Fri Cloud Cover Cloudy MCldy MCldy Temp (24H Trend) 49 (+2) 40 (+3) 50 RH % (24H Trend) 79 (+9) 95 (+3) 70 AM 20FT Wnd (MPH) S 7-11 LGT/VAR PM 20FT Wnd (MPH) SW 7-11 W 4-8 LGT/VAR Precip Chance (%) 90 50 10 Precip Type Showers Showers None Precip Amount (IN) 0.28 0.03 0.00 Precip Dur (HR) 11 2 0 Precip Begin 6 AM Continuing Precip End Continuing 5 AM Mixing Hgt (M-MSL) 300 500 Mixing Hgt (FT-MSL) 800 1600 Transport Wnd (M/S) SW 12 SW 3 Transport Wnd (MPH) SW 26 SW 7 Dispersion Index 9 5 4 LAL 1 1 1 Haines Index 2 3 3 Maximum LVORI 0 10 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY NIGHT...Showers and scattered thunderstorms. Lows in the mid 40s. Southeast winds 5 to 10 mph. Chance of precipitation near 100 percent. .SATURDAY...Showers and a chance of thunderstorms. Highs in the upper 50s. Minimum RH 76 percent. Southwest winds 5 to 10 mph. Chance of precipitation near 100 percent. .SATURDAY NIGHT...Rain likely or a chance of snow. Colder. Lows in the mid 20s. Northwest winds 10 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Partly sunny. Scattered flurries. Much colder. Highs in the lower 30s. Minimum RH 48 percent. North winds 5 to 15 mph. .MARTIN LUTHER KING JR DAY...Partly cloudy. Lows around 17. Highs in the upper 30s. Minimum RH 37 percent. Southeast winds up to 10 mph. .TUESDAY...Partly cloudy. A 50 percent chance of rain. Not as cool. Lows in the lower 30s. Highs in the upper 40s. Minimum RH 64 percent. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 30s. Highs in the lower 40s. Minimum RH 63 percent. Northwest winds 5 to 10 mph. $$ TNZ502-172245- Highland Rim District - South- Including the Counties of Bedford, Giles, Hardin, Hickman, Lawrence, Lewis, Lincoln, Marshall, Maury, Moore, Perry, and Wayne 452 AM CST Thu Jan 17 2019 Today Tonight Fri Cloud Cover Cloudy MCldy MCldy Temp (24H Trend) 49 (-1) 43 (+6) 53 RH % (24H Trend) 83 (+21) 99 (+7) 72 AM 20FT Wnd (MPH) S 6-10 LGT/VAR PM 20FT Wnd (MPH) S 7-11 SW 4-8 LGT/VAR Precip Chance (%) 90 50 10 Precip Type Showers Showers None Precip Amount (IN) 0.34 0.03 0.00 Precip Dur (HR) 11 2 0 Precip Begin 6 AM Continuing Precip End Continuing 4 AM Mixing Hgt (M-MSL) 200 700 Mixing Hgt (FT-MSL) 700 2400 Transport Wnd (M/S) SW 13 SW 3 Transport Wnd (MPH) SW 29 SW 7 Dispersion Index 8 3 6 LAL 1 1 1 Haines Index 2 3 4 Maximum LVORI 0 8 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY NIGHT...Showers and scattered thunderstorms. Lows in the upper 40s. Southeast winds 5 to 10 mph. Chance of precipitation near 100 percent. .SATURDAY...Showers and a chance of thunderstorms. Highs around 60. Minimum RH 77 percent. Southwest winds 5 to 10 mph. Chance of precipitation near 100 percent. .SATURDAY NIGHT...Rain likely or a chance of snow. Colder. Lows in the upper 20s. Northwest winds 10 to 15 mph. Chance of precipitation 70 percent. .SUNDAY...Partly sunny. Scattered flurries. Much colder. Highs in the mid 30s. Minimum RH 48 percent. North winds 5 to 15 mph. .MARTIN LUTHER KING JR DAY...Mostly clear. Lows around 18. Highs around 40. Minimum RH 38 percent. Southeast winds up to 10 mph. .TUESDAY...Partly cloudy. A 50 percent chance of rain. Lows in the lower 30s. Highs in the upper 40s. Minimum RH 69 percent. South winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 30s. Highs in the mid 40s. Minimum RH 61 percent. Northwest winds 5 to 10 mph. $$ TNZ400-172245- Cumberland District - North- Including the Counties of Cannon, Clay, Cumberland, DeKalb, Fentress, Jackson, Macon, Overton, Pickett, Putnam, Smith, Trousdale, Warren, and White 452 AM CST Thu Jan 17 2019 Today Tonight Fri Cloud Cover Cloudy MCldy MCldy Temp (24H Trend) 46 (+3) 41 (+7) 50 RH % (24H Trend) 79 (+4) 98 (+6) 76 AM 20FT Wnd (MPH) S 6-10 LGT/VAR PM 20FT Wnd (MPH) S 7-11 SW 7-11 LGT/VAR Precip Chance (%) 90 60 10 Precip Type Showers Showers None Precip Amount (IN) 0.31 0.06 0.00 Precip Dur (HR) 9 4 0 Precip Begin 6 AM Continuing Precip End Continuing 6 AM Mixing Hgt (M-MSL) 300 800 Mixing Hgt (FT-MSL) 900 2500 Transport Wnd (M/S) SW 12 SW 3 Transport Wnd (MPH) SW 26 SW 6 Dispersion Index 9 4 6 LAL 1 1 1 Haines Index 2 2 3 Maximum LVORI 0 8 10 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the lower 40s. Southeast winds up to 5 mph. .SATURDAY...Showers and a chance of thunderstorms. Highs in the upper 50s. Minimum RH 77 percent. South winds 5 to 10 mph. Chance of precipitation near 100 percent. .SATURDAY NIGHT...Rain or snow likely. Colder. Lows in the upper 20s. Northwest winds 5 to 10 mph. Chance of precipitation 90 percent. .SUNDAY...Mostly cloudy with a 40 percent chance of snow. Much colder. Highs in the lower 30s. Minimum RH 55 percent. North winds 5 to 15 mph. .MARTIN LUTHER KING JR DAY...Mostly clear. Lows around 14. Highs in the mid 30s. Minimum RH 35 percent. Southeast winds up to 10 mph. .TUESDAY...Partly cloudy. A 50 percent chance of rain. Not as cool. Lows in the upper 20s. Highs in the upper 40s. Minimum RH 57 percent. South winds up to 10 mph. .WEDNESDAY...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 30s. Highs in the lower 40s. Minimum RH 71 percent. Northwest winds 5 to 10 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
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Days 8-14
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Week 3-4
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