Alert archive / Tennessee / Winter Storm Watches in 2021
Winter Storm Watch 2, NWS Nashville, TN
NWS Nashville, TN issued this winter storm watch at Feb 13, 2021, 3:14 AM CST for 38 counties in Tennessee. It took effect at Feb 14, 2021, 6:00 PM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 13, 2021, 3:14 AM CST (09:14 UTC)
- In effect from
- Feb 14, 2021, 6:00 PM CST
- Expired
- Feb 14, 2021, 3:43 AM CST
- In force
- Issued by
- NWS Nashville, TN
All 38 counties
Bedford County, TN, Cannon County, TN, Cheatham County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Giles County, TN, Grundy County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Macon County, TN, Marshall County, TN, Maury County, TN, Montgomery County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN
The radar
The Nashville radar (KOHX), 30 km from the middle of the area, began a volume at 09:15 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 9.2 hours before the alert went out and 20 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 549 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 227 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
528 WWUS44 KOHX 130914 WSWOHX URGENT - WINTER WEATHER MESSAGE National Weather Service Nashville TN 314 AM CST Sat Feb 13 2021 TNZ008>011-027>034-058>066-075-077>080-093>095-131800- /O.NEW.KOHX.WS.A.0002.210215T0000Z-210216T1200Z/ /O.CON.KOHX.WW.Y.0007.000000T0000Z-210213T1600Z/ Sumner-Macon-Clay-Pickett-Davidson-Wilson-Trousdale-Smith-Jackson- Putnam-Overton-Fentress-Lewis-Williamson-Maury-Marshall- Rutherford-Cannon-De Kalb-White-Cumberland-Bedford-Coffee-Warren- Grundy-Van Buren-Wayne-Lawrence-Giles- Including the cities of Hendersonville, Gallatin, Goodlettsville, Lafayette, Celina, Byrdstown, Nashville, Lebanon, Mount Juliet, Hartsville, Carthage, South Carthage, Gordonsville, Gainesboro, Cookeville, Livingston, Jamestown, Allardt, Hohenwald, Franklin, Brentwood, Columbia, Lewisburg, Murfreesboro, Smyrna, La Vergne, Woodbury, Smithville, Sparta, Crossville, Shelbyville, Tullahoma, Manchester, McMinnville, Altamont, Coalmont, Spencer, Clifton, Waynesboro, Lawrenceburg, and Pulaski 314 AM CST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS MORNING... ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH LATE MONDAY NIGHT... * WHAT...For the Winter Weather Advisory, freezing drizzle, freezing fog, and a few patches of light freeing rain. Additional ice accumulations of a light glaze. For the Winter Storm Watch, heavy mixed precipitation possible. Total snow accumulations of 1 to 3 inches and ice accumulations of up to two tenths of an inch possible. * WHERE...Portions of Middle Tennessee. * WHEN...For the Winter Weather Advisory, until 10 AM CST this morning. For the Winter Storm Watch, from Sunday evening through late Monday night. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Although confidence is high that significant winter weather will impact the area Sunday night through Monday night, the details including exact snow and ice amounts are subject to change. Please check back for updates. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Prepare for possible power outages. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ TNZ005>007-023>026-056-057-131800- /O.NEW.KOHX.WS.A.0002.210215T0000Z-210216T1200Z/ Stewart-Montgomery-Robertson-Houston-Humphreys-Dickson-Cheatham- Perry-Hickman- Including the cities of Dover, Clarksville, Springfield, Erin, Tennessee Ridge, Waverly, New Johnsonville, McEwen, Dickson, Ashland City, Kingston Springs, Linden, Lobelville, and Centerville 314 AM CST Sat Feb 13 2021 ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH LATE MONDAY NIGHT... * WHAT...Heavy mixed precipitation possible. Total snow accumulations of 3 to 5 inches for northwest Middle Tennessee and ice accumulations of around one tenth of an inch possible. * WHERE...Portions of Middle Tennessee. * WHEN...From Sunday evening through late Monday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. * ADDITIONAL DETAILS...Although confidence is high that significant winter weather will impact the area Sunday night through Monday night, the details including exact snow and ice amounts are subject to change. Please check back for updates. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ 13
4 follow-up statements
307 WWUS44 KOHX 131512 WSWOHX URGENT - WINTER WEATHER MESSAGE National Weather Service Nashville TN 912 AM CST Sat Feb 13 2021 TNZ005>007-023>026-056-057-131800- /O.EXB.KOHX.WW.Y.0007.000000T0000Z-210213T1800Z/ /O.CON.KOHX.WS.A.0002.210215T0000Z-210216T1200Z/ Stewart-Montgomery-Robertson-Houston-Humphreys-Dickson-Cheatham- Perry-Hickman- Including the cities of Dover, Clarksville, Springfield, Erin, Tennessee Ridge, Waverly, New Johnsonville, McEwen, Dickson, Ashland City, Kingston Springs, Linden, Lobelville, and Centerville 912 AM CST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH LATE MONDAY NIGHT... * WHAT...For the Winter Weather Advisory, freezing drizzle, freezing fog, and a few patches of light snow. Additional ice accumulations of a light glaze.For the Winter Storm Watch, heavy mixed precipitation possible. Total snow accumulations of 3 to 5 inches and ice accumulations of around one tenth of an inch possible. * WHERE...northwestern quarter of middle Tennessee * WHEN...For the Winter Weather Advisory, until noon CST today. For the Winter Storm Watch, from Sunday evening through late Monday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. * ADDITIONAL DETAILS...Although confidence is high that significant winter weather will impact the area Sunday night through Monday night, the details including exact snow and ice amounts are subject to change. Please check back for updates. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ TNZ008>011-027>034-058>066-075-077>080-093>095-131800- /O.EXT.KOHX.WW.Y.0007.000000T0000Z-210213T1800Z/ /O.CON.KOHX.WS.A.0002.210215T0000Z-210216T1200Z/ Sumner-Macon-Clay-Pickett-Davidson-Wilson-Trousdale-Smith-Jackson- Putnam-Overton-Fentress-Lewis-Williamson-Maury-Marshall- Rutherford-Cannon-De Kalb-White-Cumberland-Bedford-Coffee-Warren- Grundy-Van Buren-Wayne-Lawrence-Giles- Including the cities of Hendersonville, Gallatin, Goodlettsville, Lafayette, Celina, Byrdstown, Nashville, Lebanon, Mount Juliet, Hartsville, Carthage, South Carthage, Gordonsville, Gainesboro, Cookeville, Livingston, Jamestown, Allardt, Hohenwald, Franklin, Brentwood, Columbia, Lewisburg, Murfreesboro, Smyrna, La Vergne, Woodbury, Smithville, Sparta, Crossville, Shelbyville, Tullahoma, Manchester, McMinnville, Altamont, Coalmont, Spencer, Clifton, Waynesboro, Lawrenceburg, and Pulaski 912 AM CST Sat Feb 13 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON CST TODAY... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH LATE MONDAY NIGHT... * WHAT...For the Winter Weather Advisory, freezing drizzle, freezing fog, and a few patches of light freeing rain. Additional ice accumulations of a light glaze. For the Winter Storm Watch, heavy mixed precipitation possible. Total snow accumulations of 1 to 3 inches and ice accumulations of up to two tenths of an inch possible. * WHERE...southeastern three quarters of middle Tennessee * WHEN...For the Winter Weather Advisory, until noon CST today. For the Winter Storm Watch, from Sunday evening through late Monday night. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Although confidence is high that significant winter weather will impact the area Sunday night through Monday night, the details including exact snow and ice amounts are subject to change. Please check back for updates. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Prepare for possible power outages. Monitor the latest forecasts for updates on this situation. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ 21
483 WWUS44 KOHX 131809 WSWOHX URGENT - WINTER WEATHER MESSAGE National Weather Service Nashville TN 1209 PM CST Sat Feb 13 2021 TNZ005>011-023>034-056>066-075-077>080-093>095-140200- /O.EXP.KOHX.WW.Y.0007.000000T0000Z-210213T1800Z/ /O.CON.KOHX.WS.A.0002.210215T0000Z-210216T1200Z/ Stewart-Montgomery-Robertson-Sumner-Macon-Clay-Pickett-Houston- Humphreys-Dickson-Cheatham-Davidson-Wilson-Trousdale-Smith- Jackson-Putnam-Overton-Fentress-Perry-Hickman-Lewis-Williamson- Maury-Marshall-Rutherford-Cannon-De Kalb-White-Cumberland-Bedford- Coffee-Warren-Grundy-Van Buren-Wayne-Lawrence-Giles- Including the cities of Dover, Clarksville, Springfield, Hendersonville, Gallatin, Goodlettsville, Lafayette, Celina, Byrdstown, Erin, Tennessee Ridge, Waverly, New Johnsonville, McEwen, Dickson, Ashland City, Kingston Springs, Nashville, Lebanon, Mount Juliet, Hartsville, Carthage, South Carthage, Gordonsville, Gainesboro, Cookeville, Livingston, Jamestown, Allardt, Linden, Lobelville, Centerville, Hohenwald, Franklin, Brentwood, Columbia, Lewisburg, Murfreesboro, Smyrna, La Vergne, Woodbury, Smithville, Sparta, Crossville, Shelbyville, Tullahoma, Manchester, McMinnville, Altamont, Coalmont, Spencer, Clifton, Waynesboro, Lawrenceburg, and Pulaski 1209 PM CST Sat Feb 13 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH LATE MONDAY NIGHT... ...WINTER WEATHER ADVISORY HAS EXPIRED... * WHAT...Heavy mixed precipitation possible. Total snow accumulations of 2 to 4 inches and ice accumulations of one tenth to two tenths of an inch possible. * WHERE...All of middle Tennessee. * WHEN...For the Winter Weather Advisory, until noon CST today. For the Winter Storm Watch, from Sunday evening through late Monday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. * ADDITIONAL DETAILS...Best chance for the higher snow totals will be across northwestern middle Tennessee. A significant mixture of snow...sleet and freezing rain can be expected elsewhere. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ 21
103 WWUS44 KOHX 132107 WSWOHX URGENT - WINTER WEATHER MESSAGE National Weather Service Nashville TN 307 PM CST Sat Feb 13 2021 TNZ005-006-023>025-056-141100- /O.CON.KOHX.WS.A.0002.210215T0000Z-210216T1200Z/ Stewart-Montgomery-Houston-Humphreys-Dickson-Perry- Including the cities of Dover, Clarksville, Erin, Tennessee Ridge, Waverly, New Johnsonville, McEwen, Dickson, Linden, and Lobelville 307 PM CST Sat Feb 13 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH LATE MONDAY NIGHT... * WHAT...Heavy mixed precipitation possible. Total snow accumulations of 4 to 6 inches and ice accumulations of one tenth of an inch possible. * WHERE...northwestern and far west central middle Tennessee. * WHEN...Sunday evening through late Monday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ TNZ007>010-026>031-057>064-075-093>095-141100- /O.CON.KOHX.WS.A.0002.210215T0000Z-210216T1200Z/ Robertson-Sumner-Macon-Clay-Cheatham-Davidson-Wilson-Trousdale- Smith-Jackson-Hickman-Lewis-Williamson-Maury-Marshall-Rutherford- Cannon-De Kalb-Bedford-Wayne-Lawrence-Giles- Including the cities of Springfield, Hendersonville, Gallatin, Goodlettsville, Lafayette, Celina, Ashland City, Kingston Springs, Nashville, Lebanon, Mount Juliet, Hartsville, Carthage, South Carthage, Gordonsville, Gainesboro, Centerville, Hohenwald, Franklin, Brentwood, Columbia, Lewisburg, Murfreesboro, Smyrna, La Vergne, Woodbury, Smithville, Shelbyville, Clifton, Waynesboro, Lawrenceburg, and Pulaski 307 PM CST Sat Feb 13 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH LATE MONDAY NIGHT... * WHAT...Heavy mixed precipitation possible. Total snow accumulations of 2 to 4 inches and ice accumulations of one tenth to two tenths of an inch possible. * WHERE...Most of middle Tennessee to the west of the Plateau and excluding northwest and west central middle Tennessee. * WHEN...From Sunday evening through late Monday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ TNZ011-032>034-065-066-077>080-141100- /O.CON.KOHX.WS.A.0002.210215T0000Z-210216T1200Z/ Pickett-Putnam-Overton-Fentress-White-Cumberland-Coffee-Warren- Grundy-Van Buren- Including the cities of Byrdstown, Cookeville, Livingston, Jamestown, Allardt, Sparta, Crossville, Tullahoma, Manchester, McMinnville, Altamont, Coalmont, and Spencer 307 PM CST Sat Feb 13 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH LATE MONDAY NIGHT... * WHAT...Heavy mixed precipitation possible. Total snow accumulations of 1 to 2 inches and ice accumulations of one tenth to two tenths of an inch possible. * WHERE...The Cumberland Plateau portion of middle Tennessee. * WHEN...For the Winter Weather Advisory, until noon CST today. For the Winter Storm Watch, from Sunday evening through late Monday night. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ 21
160 WWUS44 KOHX 140943 WSWOHX URGENT - WINTER WEATHER MESSAGE National Weather Service Nashville TN 343 AM CST Sun Feb 14 2021 TNZ005-006-023>025-056-141800- /O.UPG.KOHX.WS.A.0002.210215T0000Z-210216T1200Z/ /O.NEW.KOHX.WS.W.0001.210215T0000Z-210216T1200Z/ Stewart-Montgomery-Houston-Humphreys-Dickson-Perry- Including the cities of Dover, Clarksville, Erin, Tennessee Ridge, Waverly, New Johnsonville, McEwen, Dickson, Linden, and Lobelville 343 AM CST Sun Feb 14 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST TUESDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 4 to 6 inches and ice accumulations of around two tenths of an inch. * WHERE...Northwest and west central counties of Middle Tennessee. * WHEN...From 6 PM this evening to 6 AM CST Tuesday. * IMPACTS...Travel could be very difficult to impossible tonight through early Tuesday morning. The cold wind chills as low as zero could result in hypothermia if precautions are not taken. * ADDITIONAL DETAILS...Mostly snow is expected throughout the warning period for areas around Dover and Erin. Elsewhere, a mix of freezing rain, sleet, and snow will develop tonight into early Monday, then precipitation will change to all snow by Monday afternoon. Most of the snow accumulation will occur Monday afternoon and evening. Very cold air following the storm will make travel conditions slow to improve through Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ TNZ007>010-026>031-057>064-075-093>095-141800- /O.UPG.KOHX.WS.A.0002.210215T0000Z-210216T1200Z/ /O.NEW.KOHX.WS.W.0001.210215T0000Z-210216T1200Z/ Robertson-Sumner-Macon-Clay-Cheatham-Davidson-Wilson-Trousdale- Smith-Jackson-Hickman-Lewis-Williamson-Maury-Marshall-Rutherford- Cannon-De Kalb-Bedford-Wayne-Lawrence-Giles- Including the cities of Springfield, Hendersonville, Gallatin, Goodlettsville, Lafayette, Celina, Ashland City, Kingston Springs, Nashville, Lebanon, Mount Juliet, Hartsville, Carthage, South Carthage, Gordonsville, Gainesboro, Centerville, Hohenwald, Franklin, Brentwood, Columbia, Lewisburg, Murfreesboro, Smyrna, La Vergne, Woodbury, Smithville, Shelbyville, Clifton, Waynesboro, Lawrenceburg, and Pulaski 343 AM CST Sun Feb 14 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST TUESDAY... * WHAT...Heavy mixed precipitation expected. Total snow accumulations of 2 to 4 inches and ice accumulations of one tenth to two tenths of an inch. * WHERE...Much of Middle Tennessee. * WHEN...From 6 PM this evening to 6 AM CST Tuesday. * IMPACTS...Travel could be very difficult from tonight through early Tuesday morning. * ADDITIONAL DETAILS...Precipitation will start as mainly freezing rain tonight with ice accumulation making travel hazardous. On Monday, the precipitation will change over to all snow. Most of the snow accumulation will occur in the late afternoon and evening hours of Monday. Very cold air following the storm will make travel conditions slow to improve through Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ TNZ011-032>034-065-066-077>080-141800- /O.UPG.KOHX.WS.A.0002.210215T0000Z-210216T1200Z/ /O.NEW.KOHX.WS.W.0001.210215T0000Z-210216T1200Z/ Pickett-Putnam-Overton-Fentress-White-Cumberland-Coffee-Warren- Grundy-Van Buren- Including the cities of Byrdstown, Cookeville, Livingston, Jamestown, Allardt, Sparta, Crossville, Tullahoma, Manchester, McMinnville, Altamont, Coalmont, and Spencer 343 AM CST Sun Feb 14 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST TUESDAY... * WHAT...Significant travel impacts from mixed precipitation expected. Total snow accumulations of up to two inches and ice accumulations of up to one tenth of an inch. * WHERE...Cumberland Plateau and nearby areas. * WHEN...From 6 PM this evening to 6 AM CST Tuesday. * IMPACTS...Travel could be very difficult from tonight through early Tuesday morning. * ADDITIONAL DETAILS...Light freezing rain is expected to develop tonight for the eastern sections of Middle Tennessee on and near the Cumberland Plateau. Slick spots are expected. On Monday, there may be some breaks in the precipitation, and some locations may briefly rise above freezing. Another wave of wintry precipitation will arrive late Monday afternoon and Monday night with freezing rain and sleet changing to snow. The mixed precipitation will create hazardous travel conditions. Very cold air following the storm will make travel conditions slow to improve through Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 12, 10:00 PM CST | Winter Weather Advisory | OHX | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more | 14 hr |
Nearby
Winter Storm Watches in Tennessee, 2021Every winter storm watch in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.