Alert archive / Tennessee / Winter Weather Advisories in 2021
Winter Weather Advisory 8, NWS Nashville, TN
NWS Nashville, TN issued this winter weather advisory at Feb 14, 2021, 7:10 AM CST for 38 counties in Tennessee. It took effect at Feb 14, 2021, 8:00 AM CST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Feb 14, 2021, 7:10 AM CST (13:10 UTC)
- In effect from
- Feb 14, 2021, 8:00 AM CST
- Expired
- Feb 14, 2021, 6:00 PM CST
- In force
- 10 hr
- 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 13:15 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
Little Rock, AR (KLZK), launched 12:00Z, 1.2 hours before the alert went out and 341 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
- 768 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Nashville, TN wrote its last area forecast discussion before this winter weather advisory went out at Feb 14, 6:27 AM CST, 43 minutes earlier.
Area forecast discussion, Feb 14, 6:27 AM CST, 43 minutes before
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</html>Hazardous weather outlook, Feb 14, 5:00 AM CST, 2 hours 10 minutes before
Hazardous Weather Outlook National Weather Service Nashville TN 500 AM CST Sun Feb 14 2021 TNZ005>011-023>034-056>066-075-077>080-093>095-151100- 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- 500 AM CST Sun Feb 14 2021 This Hazardous Weather Outlook is for Middle Tennessee. .DAY ONE...Today and tonight. Patchy freezing drizzle and freezing fog will occur this morning. Slick spots are expected to develop, especially on elevated surfaces. A few patches of light freezing rain and sleet are possible this afternoon. A Winter Storm Warning begins tonight with freezing rain spreading across the area and some snow and sleet for the far northwest. .DAYS TWO THROUGH SEVEN...Monday through Saturday. A Winter Storm Warning will continue Monday and Monday night. Significant ice and snow will spread across Middle Tennessee making travel difficult. Another round of wintry weather will be possible Wednesday night and Thursday with ice and snow accumulations possible. .SPOTTER INFORMATION STATEMENT... Spotter reports of snow and ice are greatly appreciated. The best way to relay your reports is through social media on Facebook or Twitter. 13
In the hours before
Special weather statement, Feb 14, 2:42 AM CST, 4 hours 28 minutes before
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</html>The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 3:43 AM CST | Winter Storm Warning | OHX | Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more | 42 hr |
Nearby
Winter Weather Advisories in Tennessee, 2021Every winter weather 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.