Alert archive / Tennessee / Special Weather Statements in 2020
Special Weather Statement, NWS Nashville, TN
NWS Nashville, TN issued this special weather statement at Mar 20, 2020, 11:11 AM CDT for Overton County, Tennessee. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 20, 2020, 11:11 AM CDT (16:11 UTC)
- Expired
- Mar 20, 2020, 12:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Nashville, TN
County Overton County, TN
The radar
The Nashville radar (KOHX), 110 km from the middle of the area, began a volume at 16:10 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 12:00Z, 4.2 hours before the alert went out and 115 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
- 131 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 757 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 436 m²/s²
- 0-3 km storm-relative helicity
- 475 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.2
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Mar 20, 11:01 AM CDT, 10 minutes earlier.
Area forecast discussion, Mar 20, 11:01 AM CDT, 10 minutes before
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<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Hazardous weather outlook, Mar 20, 11:04 AM CDT, 7 minutes before
Hazardous Weather Outlook National Weather Service Nashville TN 1104 AM CDT Fri Mar 20 2020 TNZ005>011-023>034-056>066-075-077>080-093>095-211615- 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- 1104 AM CDT Fri Mar 20 2020 This Hazardous Weather Outlook is for portions of Middle Tennessee. .DAY ONE...This Afternoon and Tonight Showers and scattered thunderstorms are expected today and this evening. Heavy downpours could cause some brief, localized flooding. Stronger thunderstorms could produce wind gusts over 40 mph. .DAYS TWO THROUGH SEVEN...Saturday through Thursday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter reports of any flooding or strong winds would be appreciated. 13
In the hours before
Special weather statement, Mar 20, 10:08 AM CDT, 1 hour 3 minutes before
Special Weather Statement
National Weather Service Nashville TN
1008 AM CDT Fri Mar 20 2020
TNZ028>030-201545-
Wilson TN-Trousdale TN-Smith TN-
1008 AM CDT Fri Mar 20 2020
...SIGNIFICANT WEATHER ADVISORY FOR SMITH...NORTHEASTERN WILSON AND
SOUTHERN TROUSDALE COUNTIES UNTIL 1045 AM CDT...
At 1008 AM CDT, Doppler radar was tracking a strong thunderstorm
near Tuckers Crossroads, or 5 miles northeast of Lebanon, moving
east at 30 mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Lebanon, Carthage, Hartsville, Gordonsville, South Carthage, Tuckers
Crossroads, Dixon Springs, Pleasant Shade and Dickerson Chapel
Recreation Area.
This includes Interstate 40 between mile markers 256 and 258.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 3620 8629 3630 8631 3641 8609 3641 8586
3617 8585
TIME...MOT...LOC 1508Z 263DEG 27KT 3626 8622
ShamburgerSpecial weather statement, Mar 20, 11:11 AM CDT, 0 minutes before
Special Weather Statement National Weather Service Nashville TN 1111 AM CDT Fri Mar 20 2020 TNZ031>033-201700- Putnam TN-Overton TN-Jackson TN- 1111 AM CDT Fri Mar 20 2020 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL OVERTON...SOUTHEASTERN JACKSON AND NORTH CENTRAL PUTNAM COUNTIES UNTIL NOON CDT... At 1110 AM CDT, Doppler radar was tracking a strong thunderstorm near Gainesboro, moving east at 35 mph. Winds in excess of 40 mph will be possible with this storm. Locations impacted include... Livingston, Gainesboro, Crawford, Rickman and Cummins Falls State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3624 8511 3625 8565 3638 8565 3646 8516 TIME...MOT...LOC 1610Z 266DEG 30KT 3633 8556 Shamburger
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 3:22 AM CDT | Special Weather Statement | OHX | Stewart | 23 min |
| Mar 20, 3:53 AM CDT | Special Weather Statement | OHX | Cheatham | 37 min |
| Mar 20, 10:08 AM CDT | Special Weather Statement | OHX | Smith | 37 min |
| Mar 20, 11:24 AM CDT | Tornado Warning | OHX | Overton, Putnam | 18 min |
| Mar 20, 11:47 AM CDT | Special Weather Statement | OHX | Fentress | 43 min |
| Mar 20, 12:10 PM CDT | Tornado Warning | OHX | Fentress | 24 min |
| Mar 20, 12:12 PM CDT | Special Weather Statement | OHX | Sumner | 48 min |
| Mar 20, 12:39 PM CDT | Special Weather Statement | OHX | Macon | 66 min |
| Mar 20, 12:57 PM CDT | Flash Flood Watch | OHX | Bedford, Cannon, Coffee, Cumberland, Davidson, DeKalb and 20 more | 7 hr |
| Mar 20, 1:22 PM CDT | Special Weather Statement | OHX | Putnam | 23 min |
| Mar 20, 1:43 PM CDT | Areal Flood Advisory | OHX | Perry, Wayne | 3 hr |
| Mar 20, 3:48 PM CDT | Areal Flood Advisory | OHX | Davidson, Rutherford, Wilson | 3 hr |
| Mar 20, 4:37 PM CDT | River Flood Advisory | OHX | Davidson | 8 days |
| Mar 20, 4:55 PM CDT | River Flood Advisory | OHX | Davidson | 34 hr |
Nearby
Special Weather Statements in Tennessee, 2020Every special weather statement in 2020
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.