Alert archive / Tennessee / Frost Advisories in 2021
Frost Advisory 5, NWS Nashville, TN
NWS Nashville, TN issued this frost advisory at Nov 2, 2021, 2:53 AM CDT for 35 counties in Tennessee. It took effect at Nov 3, 2021, 12:00 AM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Nov 2, 2021, 2:53 AM CDT (07:53 UTC)
- In effect from
- Nov 3, 2021, 12:00 AM CDT
- Expired
- Nov 3, 2021, 9:00 AM CDT
- In force
- 9 hr
- Issued by
- NWS Nashville, TN
All 35 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, Grundy County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson 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, White County, TN, Williamson County, TN, Wilson County, TN
The radar
The Nashville radar (KOHX), 27 km from the middle of the area, began a volume at 07:53 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, 7.9 hours before the alert went out and 21 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
- 1822 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
948 WWUS74 KOHX 020753 NPWOHX URGENT - WEATHER MESSAGE National Weather Service Nashville TN 253 AM CDT Tue Nov 2 2021 TNZ011-032>034-065-066-080-022100- /O.NEW.KOHX.FR.Y.0005.211103T0500Z-211103T1400Z/ Pickett-Putnam-Overton-Fentress-White-Cumberland-Van Buren- Including the cities of Byrdstown, Cookeville, Livingston, Jamestown, Allardt, Sparta, Crossville, and Spencer 253 AM CDT Tue Nov 2 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT WEDNESDAY... * WHAT...Temperatures ranging from 33 to 37 will result in frost formation. * WHERE...Pickett, Putnam, Overton, Fentress, White, Cumberland and Van Buren Counties. * WHEN...From midnight tonight to 9 AM CDT Wednesday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
2 follow-up statements
299 WWUS74 KOHX 021918 NPWOHX URGENT - WEATHER MESSAGE National Weather Service Nashville TN 218 PM CDT Tue Nov 2 2021 TNZ005>010-023>031-056>064-075-077>079-031000- /O.NEW.KOHX.FZ.A.0002.211104T0600Z-211104T1400Z/ /O.EXA.KOHX.FR.Y.0005.211103T0500Z-211103T1400Z/ Stewart-Montgomery-Robertson-Sumner-Macon-Clay-Houston-Humphreys- Dickson-Cheatham-Davidson-Wilson-Trousdale-Smith-Jackson-Perry- Hickman-Lewis-Williamson-Maury-Marshall-Rutherford-Cannon-De Kalb- Bedford-Coffee-Warren-Grundy- Including the cities of Dover, Clarksville, Springfield, Hendersonville, Gallatin, Goodlettsville, Lafayette, Celina, Erin, Tennessee Ridge, Waverly, New Johnsonville, McEwen, Dickson, Ashland City, Kingston Springs, Nashville, Lebanon, Mount Juliet, Hartsville, Carthage, South Carthage, Gordonsville, Gainesboro, Linden, Lobelville, Centerville, Hohenwald, Franklin, Brentwood, Columbia, Lewisburg, Murfreesboro, Smyrna, La Vergne, Woodbury, Smithville, Shelbyville, Tullahoma, Manchester, McMinnville, Altamont, and Coalmont 218 PM CDT Tue Nov 2 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT WEDNESDAY... ...FREEZE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY MORNING... * WHAT...For the Frost Advisory, temperatures in the mid 30s will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 30 possible. * WHERE...Portions of Middle Tennessee. * WHEN...For the Frost Advisory, from midnight tonight to 9 AM CDT Wednesday. For the Freeze Watch, from late Wednesday night through Thursday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Frost and freeze conditions are expected again early Friday morning, so additional watches or warnings will likely be needed. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ TNZ011-032>034-065-066-080-031000- /O.NEW.KOHX.FZ.A.0002.211104T0600Z-211104T1400Z/ /O.CON.KOHX.FR.Y.0005.211103T0500Z-211103T1400Z/ Pickett-Putnam-Overton-Fentress-White-Cumberland-Van Buren- Including the cities of Byrdstown, Cookeville, Livingston, Jamestown, Allardt, Sparta, Crossville, and Spencer 218 PM CDT Tue Nov 2 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT WEDNESDAY... ...FREEZE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY MORNING... * WHAT...For the Frost Advisory, temperatures as low as 33 will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 30 possible. * WHERE...Pickett, Putnam, Overton, Fentress, White, Cumberland and Van Buren Counties. * WHEN...For the Frost Advisory, from midnight tonight to 9 AM CDT Wednesday. For the Freeze Watch, from late Wednesday night through Thursday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Frost and freeze conditions are expected again early Friday morning, so additional watches or warnings will likely be needed. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ 13
340 WWUS74 KOHX 030735 NPWOHX URGENT - WEATHER MESSAGE National Weather Service Nashville TN 235 AM CDT Wed Nov 3 2021 TNZ005>011-023>034-056>066-075-077>080-031500- /O.UPG.KOHX.FZ.A.0002.211104T0600Z-211104T1400Z/ /O.NEW.KOHX.FZ.W.0004.211104T0500Z-211104T1400Z/ /O.CON.KOHX.FR.Y.0005.000000T0000Z-211103T1400Z/ 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- 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, and Spencer 235 AM CDT Wed Nov 3 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT THURSDAY... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 27 expected. For the Frost Advisory, temperatures as low as 33 will result in frost formation. * WHERE...All of Middle Tennessee except the extreme southwest. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM CDT Thursday. For the Frost Advisory, until 9 AM CDT this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 2, 2:18 PM CDT | Freeze Watch | OHX | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 29 more | 12 hr |
Nearby
Frost Advisories in Tennessee, 2021Every frost advisory 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.