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
	169 FNUS54 KOHX 250822 FWFOHX Fire Weather Planning Forecast for Middle Tennessee National Weather Service Nashville TN 322 AM CDT Tue Sep 25 2018 .DISCUSSION... Chances for showers and a few thunderstorms will be in the forecast over the next few days, keeping min RH values below critical fire weather thresholds. Southerly winds today and tonight around 10 to 15 mph will become northwesterly/northerly on Wednesday as a cold front passes through the area. Drier weather will move in behind the front later on Wednesday and Thursday, which will drop min RH values a bit, but still expecting min RH values to stay around and above 50 percent Wednesday and Thursday. TNZ501-252245- Highland Rim District - North- Including the Counties of Cheatham, Davidson, Dickson, Houston, Humphreys, Montgomery, Robertson, Rutherford, Stewart, Sumner, Williamson, and Wilson 322 AM CDT Tue Sep 25 2018 Today Tonight Wed Cloud Cover MCldy MCldy MCldy Temp (24H Trend) 81 (+4) 68 (-2) 74 RH % (24H Trend) 78 (-6) 97 (-2) 66 AM 20FT Wnd (MPH) S 9-13 NW 7-11 PM 20FT Wnd (MPH) S 9-13 S 7-11 N 7-11 Precip Chance (%) 60 70 70 Precip Type Tstms Tstms Tstms Precip Amount (IN) 0.17 0.47 0.23 Precip Dur (HR) 5 9 3 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt (M-MSL) 1500 900 Mixing Hgt (FT-MSL) 4800 3000 Transport Wnd (M/S) S 7 N 7 Transport Wnd (MPH) S 16 N 16 Dispersion Index 35 1 15 LAL 4 4 3 Haines Index 2 2 2 Maximum LVORI 0 0 0 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s. North winds around 5 mph. .THURSDAY...Mostly cloudy. Highs in the mid 70s. Minimum RH 53 percent. North winds up to 5 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. North winds up to 5 mph. .FRIDAY...Partly sunny. Highs in the upper 70s. Minimum RH 48 percent. Northeast winds up to 5 mph. .SATURDAY...Partly cloudy. Lows in the upper 50s. Highs around 80. Minimum RH 53 percent. Southwest winds up to 5 mph. .SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the lower 80s. Minimum RH 56 percent. South winds up to 5 mph. .MONDAY...Partly cloudy. A 30 percent chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Minimum RH 57 percent. Southwest winds up to 10 mph. $$ TNZ502-252245- Highland Rim District - South- Including the Counties of Bedford, Giles, Hardin, Hickman, Lawrence, Lewis, Lincoln, Marshall, Maury, Moore, Perry, and Wayne 322 AM CDT Tue Sep 25 2018 Today Tonight Wed Cloud Cover MCldy MCldy MCldy Temp (24H Trend) 81 (+1) 69 (-1) 76 RH % (24H Trend) 79 (+1) 96 (-2) 75 AM 20FT Wnd (MPH) S 8-12 W 4-8 PM 20FT Wnd (MPH) S 8-12 S 6-10 N 7-11 Precip Chance (%) 70 80 80 Precip Type Tstms Tstms Tstms Precip Amount (IN) 0.17 0.58 0.53 Precip Dur (HR) 5 7 8 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt (M-MSL) 1500 1100 Mixing Hgt (FT-MSL) 4900 3500 Transport Wnd (M/S) S 7 NW 7 Transport Wnd (MPH) S 15 NW 15 Dispersion Index 30 1 16 LAL 4 4 3 Haines Index 2 2 2 Maximum LVORI 0 0 0 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the upper 50s. North winds around 5 mph. .THURSDAY...Mostly cloudy with a 20 percent chance of showers. Highs in the upper 70s. Minimum RH 58 percent. North winds up to 5 mph. .THURSDAY NIGHT...Mostly cloudy. Lows in the upper 50s. North winds up to 5 mph. .FRIDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. Highs in the lower 80s. Minimum RH 50 percent. Northeast winds up to 5 mph. .SATURDAY...Partly cloudy. A 30 percent chance of showers and thunderstorms. Lows around 60. Highs in the lower 80s. Minimum RH 57 percent. Southwest winds up to 5 mph. .SUNDAY...Partly cloudy. A 30 percent chance of showers and thunderstorms. Lows in the lower 60s. Highs in the mid 80s. Minimum RH 54 percent. South winds up to 5 mph. .MONDAY...Partly cloudy. A 30 percent chance of showers and thunderstorms. Lows in the mid 60s. Highs in the mid 80s. Minimum RH 55 percent. South winds up to 10 mph. $$ TNZ400-252245- Cumberland District - North- Including the Counties of Cannon, Clay, Cumberland, DeKalb, Fentress, Jackson, Macon, Overton, Pickett, Putnam, Smith, Trousdale, Warren, and White 322 AM CDT Tue Sep 25 2018 Today Tonight Wed Cloud Cover MCldy MCldy Cloudy Temp (24H Trend) 80 (+4) 69 (0) 73 RH % (24H Trend) 78 (-4) 96 (-3) 85 AM 20FT Wnd (MPH) S 10-14 W 6-10 PM 20FT Wnd (MPH) S 8-12 S 7-11 NW 7-11 Precip Chance (%) 50 80 80 Precip Type Tstms Tstms Tstms Precip Amount (IN) 0.13 0.64 0.58 Precip Dur (HR) 2 10 11 Precip Begin 6 AM Continuing Continuing Precip End Continuing Continuing Continuing Mixing Hgt (M-MSL) 1400 800 Mixing Hgt (FT-MSL) 4600 2600 Transport Wnd (M/S) S 8 NW 3 Transport Wnd (MPH) S 18 NW 6 Dispersion Index 35 1 8 LAL 4 4 3 Haines Index 2 2 2 Maximum LVORI 0 0 0 RH Recovery Excellent Remarks...None. .FORECAST FOR DAYS 3 THROUGH 7... .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of showers. Lows in the upper 50s. North winds up to 5 mph. .THURSDAY...Mostly cloudy with a 20 percent chance of showers. Highs in the mid 70s. Minimum RH 70 percent. Northwest winds up to 5 mph. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the upper 50s. Northwest winds up to 5 mph. .FRIDAY...Partly sunny with a 20 percent chance of showers and thunderstorms. Highs in the upper 70s. Minimum RH 55 percent. North winds up to 5 mph. .SATURDAY...Partly cloudy. Lows in the upper 50s. Highs in the upper 70s. Minimum RH 60 percent. Southwest winds up to 5 mph. .SUNDAY...Partly cloudy. Lows in the lower 60s. Highs in the lower 80s. Minimum RH 58 percent. Southwest winds up to 5 mph. .MONDAY...Partly cloudy. Lows in the lower 60s. Highs in the lower 80s. Minimum RH 62 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
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Days 8-14
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Week 3-4
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