AWOS = Airway Weather Observation Station (FAA maintenance)
Station Name; County; Type; ID or Number; Latitude; Longitude; Elevation
Cherokee National Forest
Coker Creek; Monroe; RAWS; 407502; 35.2800 N; 84.2750 W; 1700'
Mountain City - Johnson County Airport; Johnson; AWOS; 6A4; 360 25' N; 810 51' W; 2241'
Unicoi; Carter; RAWS; 403602; 36.2242 N; 82.2306 W; 2400'
Great Smoky Mountains National Park
Indian Grave; Blount; RAWS; 407603; 35.6236 N; 83.8083 W; 2700'
Tennessee Forestry District 1
Elizabethton - Municipal Airport; Carter; AWOS; 0A9; 360 22' N; 820 10' W; 1584'
Greeneville - Greene County Municipal Airport; Greene; AWOS; GCY; 360 12' N; 820 49' W; 1608'
Hamblen County Headquarters; Hamblen; RAWS; 403301; 36.2572 N; 83.2772 W; 1163'
Jefferson County Tower; Jefferson; RAWS; 401302; 36.0703 N; 83.4886 W; 1750'
Morristown - Moore-Murrell Airport; Hamblen; AWOS; MOR; 360 11' N; 830 23' W; 1313'
Tri-Cities Regional Airport; Sullivan; ASOS; TRI; 360 28' N; 820 24' W; 1500'
Tennessee Forestry District 2
Big South Fork National Recreation Area; Scott; RAWS; 400902; 36.4750 N; 84.6542 W; 1445'
Chuck Swan State Forest; Union; RAWS; 403101; 36.3689 N; 83.8986 W; 1657'
Jacksboro - Campbell County Airport; Campbell; AWOS; JAU; 360 20' N; 840 10' W; 1180'
Knoxville - Downtown Island Airport; Knox; AWOS; DKX; 350 58' N; 830 52' W; 833'
Knoxville McGhee Tyson Airport; Blount; ASOS; TYS; 350 49' N; 830 59' W; 962'
Lenoir City; Loudon; RAWS; 405101; 35.8442 N; 84.3317 W; 1240'
Oak Ridge; Anderson; ASOS; OQT; 360 01' N; 840 14' W; 910'
Oneida - Scott County Municipal Airport; Scott; AWOS; SCX; 360 27' N; 840 35' W; 1542'
Sevierville - Gatlinburg-Pigeon Forge Airport; Sevier; AWOS; GKT; 350 52' N; 830 32' W; 1020'
Tennessee Forestry District 3
Athens - McMinn County Airport; McMinn; AWOS; MMI; 350 24' N; 840 34' W; 858'
Bledsoe State Forest; Bledsoe; RAWS; 407102; 35.6819 N; 85.2733 W; 1780'
Chattanooga Lovell Field Airport; Hamilton; ASOS; CHA; 350 02' N; 850 12' W; 689'
Dayton - Mark Anton Airport; Rhea; AWOS; 2A0; 350 29' N; 840 56' W; 715'
Meigs EOC; Meigs; RAWS; 407301; 35.5208 N; 84.7931 W; 760'
Prentice Cooper State Forest; Marion; RAWS; 409201; 35.1303 N; 85.4278 W; 1920'
Tullahoma - Tullahoma Regional Airport; Coffee; AWOS; THA; 350 23' N; 860 15' W; 1082'
Winchester - Municipal Airport; Franklin; AWOS; BGF; 350 11' N; 860 04' W; 979'
Tennessee Forestry District 4
Crossville Area Office; Cumberland; RAWS; 405001; 35.9178 N; 84.9972 W; 1770'
Crossville Memorial Airport; Cumberland; ASOS; CSV; 350 57' N; 850 05' W; 1867'
Lafayette Work Center; Macon; RAWS; 400501; 36.5411 N; 86.0028 W; 970'
Livingston - Municipal Airport; Overton; AWOS; 8A3; 360 25' N; 850 19' W; 1370'
McMinnville - Warren County Municipal Airport; Warren; AWOS; RNC; 350 42' N; 850 51' W; 1032'
Sparta - Upper Cumberland Regional Airport; White; AWOS; SRB; 360 03' N; 850 32' W; 1025'
Tennessee Forestry District 5
Burns; Dickson; RAWS; 402102; 36.0650 N; 87.2831 W; 706'
Clarksville Outlaw Airport; Montgomery; ASOS; CKV; 360 37' N; 870 25' W; 560'
Columbia - Maury County Regional Airport; Maury; AWOS; MRC; 350 33' N; 870 11' W; 681'
Dickson - Municipal Airport; Dickson; AWOS; M02; 360 08' N; 870 26' W; 891'
Fayetteville - Municipal Airport; Lincoln; AWOS; FYM; 350 04' N; 860 34' W; 983'
Fort Campbell; Montgomery; RAWS; 400201; 36.6256 N; 87.5369 W; 545'
Gallatin - Sumner County Regional Airport; Sumner; AWOS; M33; 360 23' N; 860 25' W; 584'
Lawrenceburg - Lawrence County Airport; Lawrence; AWOS; 2M2; 350 14' N; 870 15' W; 936'
Lebanon - Municipal Airport; Wilson; AWOS; M54; 360 12' N; 860 19' W; 571'
Lewisburg Tower; Marshall; RAWS; 406601; 35.3817 N; 86.7658 W; 1150'
Lewisburg - Ellington Airport; Marshall; AWOS; LUG; 350 30' N; 860 48' W; 707'
Meriwether Lewis; Lewis; RAWS; 406401; 35.5025 N; 87.4581 W; 920'
Murfreesboro - Municipal Airport; Rutherford; AWOS; MBT; 350 53' N; 860 23' W; 615'
Nashville International Airport; Davidson; ASOS; BNA; 360 08' N; 860 41' W; 600'
Nashville - John Tune Airport; Davidson; AWOS; JWN; 360 11' N; 860 53' W; 494'
Portland - Municipal Airport; Sumner; AWOS; 1M5; 360 36' N; 860 29' W; 818'
Pulaski - Abernathy Field; Giles; AWOS; GZS; 350 09' N; 870 04' W; 689'
Savannah - Hardin County Airport; Hardin; AWOS; SNH; 350 10' N; 880 13' W; 473'
Shelbyville - Bomar Field; Bedford; AWOS; SYI; 350 34' N; 860 27' W; 802'
Shiloh National Military Park; Hardin; RAWS; 408302; 35.1550 N; 88.3217 W; 420'
Springfield - Robertson County Airport; Robertson; AWOS; M91; 360 32' N; 860 55' W; 708'
Tennessee Forestry District 6
Bolivar - William Whitehurst Field; Hardeman; AWOS; M08; 350 13' N; 890 03' W; 499'
Camden Tower; Benton; RAWS; 404001; 36.0661 N; 88.1686 W; 512'
Chickasaw State Forest; Hardeman; RAWS; 408001; 35.3725 N; 88.8292 W; 496'
Covington - Municipal Airport; Tipton; AWOS; M04; 350 35' N; 890 35' W; 280'
Dyersburg - Municipal Airport; Dyer; AWOS; DYR; 360 00' N; 890 24' W; 338'
Huntingdon - Carroll County Airport; Carroll; AWOS; HZD; 360 05' N; 880 28' W; 497'
Jackson McKellar - Sipes Regional Airport; Madison; ASOS; MKL; 350 36' N; 880 55' W; 433'
Lexington - Franklin-Wilkins Airport; Henderson; AWOS; M52; 350 39' N; 880 23' W; 517'
Memphis International Airport; Shelby; ASOS; MEM; 350 03' N; 890 59' W; 254'
Millington - Naval Air Station; Shelby; AWOS; NQA; 350 21' N; 890 52' W; 320'
Parker Ranch; Dyer; RAWS; 403801; 36.1372 N; 89.3533 W; 554'
Paris - Henry County Airport; Henry; AWOS; PHT; 360 20' N; 880 23' W; 580'
Selmer - Robert Sibley Airport; McNairy; AWOS; SZY; 350 12' N; 880 30' W; 610'
Somerville - Fayette County Airport; Fayette; AWOS; FYE; 350 12' N; 890 24' W; 436'
Union City - Everett-Stewart Field; Obion; AWOS; UCY; 360 23' N; 880 59' W; 342'
For a map of each transmitter reception area, click here.
Location; NWS Office; Call Sign; Frequency; TN Counties Served
Beechgrove, TN; Nashville, TN (OHX); WXK-63; 162.475 MHz; Bedford, Cannon, Coffee, Franklin, Marshall, Moore, Rutherford, Warren, Williamson and Wilson
Blue Ridge, GA; Atlanta, GA (FFC); KXI-75; 162.475 MHz; Polk
Booneville, MS; Memphis, TN (MEG); KIH-53; 162.400 MHz; Hardeman, Hardin, and McNairy
Bristol, TN; Morristown, TN (MRX); WXK-47; 162.550 MHz; Carter, Greene, Hancock, Hawkins, Johnson, Sullivan, Unicoi, and Washington
Centerville, TN; Nashville, TN (OHX); KWN-53; 162.450 MHz; Hickman and Lewis
Chattanooga, TN; Morristown, TN (MRX); WXK-48; 162.550 MHz; Bledsoe, Bradley, Hamilton, McMinn, Marion, Meigs, Monroe, Polk, Rhea, Roane, and Sequatchie
Clarksville, TN; Nashville, TN (OHX); WWH-37; 162.500 MHz; Montgomery
Cookeville, TN; Nashville, TN (OHX); WXK-61; 162.400 MHz; Cumberland, Fentress, Jackson, Overton, Pickett, Putnam, and White
Dyersburg, TN; Memphis, TN (MEG); WWH-30; 162.500 MHz; Crockett, Dyer, Gibson, Haywood, Lake, Lauderdale, Obion, and Weakley
Hickman, TN; Nashville, TN (OHX); WXN-74; 162.500 MHz; DeKalb, Jackson, Putnam, Smith, Trousdale, and Wilson
Huntsville, AL; Huntsville, AL (HUN); KIH-20; 162.400 MHz; Lincoln
Jackson, TN; Memphis, TN (MEG); WXK-60; 162.550 MHz; Carroll, Chester, Crockett, Dyer, Gibson, Hardeman, Hardin, Haywood, Henderson, Madison, McNairy, and Weakley
Knoxville, TN; Morristown, TN (MRX); WXK-46; 162.475 MHz; Anderson, Blount, Campbell, Claiborne, Cocke, Grainger, Hamblen, Jefferson, Knox, Loudon, Monroe, Morgan, Roane, Scott, Sevier, and Union
La Follette, TN; Morristown, TN (MRX); WNG-732; 162.450 MHz; Anderson, Campbell, Claiborne, Morgan, Scott, and Union
Lafayette, TN; Nashville, TN (OHX); WNG-631; 162.525 MHz; Clay, Jackson, Macon, Smith, Sumner, Trousdale, and Wilson
Lawrenceburg, TN; Nashville, TN (OHX); WWF-84; 162.425 MHz; Giles, Lawrence, Lewis, Lincoln, Marshall, Maury, and Wayne
Lobelville, TN; Nashville, TN (OHX); KWN-52; 162.525 MHz; Benton, Decatur, Henderson, Hickman, Humphreys, Lewis, and Perry
Mayfield, KY; Paducah, KY (PAH); KIH-46; 162.475 MHz; Henry and Weakley
Memphis, TN; Memphis, TN (MEG); WXK-49; 162.475 MHz; Fayette, Hardeman, Haywood, Lauderdale, Shelby, and Tipton
Nashville, TN; Nashville, TN (OHX); KIG-79; 162.550 MHz; Cheatham, Davidson, Dickson, Maury, Robertson, Rutherford, Sumner, Williamson, and Wilson
Spencer, TN; Nashville, TN (OHX); WNG-629; 162.450 MHz; Bledsoe, Cumberland, DeKalb, Putnam, Van Buren, Warren, and White
Vale, TN; Memphis, TN (MEG); KHA-46; 162.450 MHz; Benton, Carroll, Henry, and Weakley
Waverly, TN; Nashville, TN (OHX); WXK-62; 162.400 MHz; Benton, Dickson, Hickman, Houston, Humphreys, Perry, and Stewart
Winchester, TN; Nashville, TN (OHX); WNG-554; 162.525 MHz; Bedford, Coffee, Franklin, Grundy, Lincoln, and Moore
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A Red Flag Warning is issued when forecast conditions (high winds and low humidity), together with existing environmental conditions (extended dry periods), could result in extreme fire behavior within 24 hours. A Fire Weather Watch will be issued if Red Flag Warning conditions are possible in the next 24 to 48 hours. NWS forecasters will first coordinate the issuance of a Red Flag Warning or Fire Weather Watch with the associated land management agency after determining that fuels are dry enough for extreme fire danger concerns. A highlight of the Red Flag Warning or Fire Weather Watch should be included within the routine fire weather forecast.
Meteorological conditions which warrant the issuance of a Red Flag Warning or Fire Weather Watch in Tennessee are the following:
1. Strong winds with low humidity, generally 18 mph or higher sustained wind speeds with less than 25 percent relative humidity.
2. Rainfall of less than 0.25 inch during the past two days.
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Morristown, TN (MRX): Red Flag Warning or Fire Weather Forecast or Spot Forecast
Nashville, TN (OHX): Red Flag Warning or Fire Weather Forecast or Spot Forecast
Memphis, TN (MEG): Red Flag Warning or Fire Weather Forecast or Spot Forecast
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The Fire Weather Planning Forecast (FWF) will be updated when the expected weather changes significantly from what was predicted in the routine forecast. The decision to issue a fire weather update will be based on the effect the weather change has on the fire behavior and the level of fire danger in the state. An update may be issued at any time of day and using the following guidelines:
1. If precipitation was not mentioned in the previous forecast and looks likely, or if it was forecast as being predominant and now looks as if it will not occur or remain isolated, an update should be issued.
2. An update should be considered when a front and its associated wind shift is much delayed or arrives sooner than expected.
3. An update should be considered whenever the wind speed is much stronger or lighter than previously expected. Differences of 10 to 15 mph in most cases are significant and may also apply to gustiness. If the wind direction differs by two or more compass points (more than 45 degrees), an update may be needed if the prevailing wind speed is 15 mph or more.
4. When relative humidity drops to very low levels (30 percent or less) and differs by more than 15 percent from the morning forecast, an update should be considered. Also, if the relative humidity remains high and low levels had been previously forecast, an updated should be considered.
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LAL Categories
1: No Thunderstorms.
2: Cumulus clouds are common, but only a few reach the towering cumulus stage. A single thunderstorm must be confirmed in the rating area. The clouds mostly produce virga, but light rain will occasionally reach the ground.
3: Cumulus clouds are common. Swelling and towering cumulus cover less than 2/10ths of the sky. Thunderstorms are few, but two or three must occur within the observation area. Light to moderate rain will reach the ground, and lightning is infrequent.
4: Swelling cumulus and towering cumulus cover 2/10ths to 3/10ths of the sky. Thunderstorms are scattered, but more than three must occur within the observation area. Moderate rain is commonly produced, and lightning is frequent.
5: Towering cumulus and thunderstorms are numerous, they cover more than 3/10ths of the sky and occasionally obscure it. Rain is moderate to heavy, and lightning is frequent and intense.
6: Same as #3, but dry (little or no rain reaching the ground).
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