Alert archive / Tennessee / Severe Thunderstorm Warnings in 2024
Severe Thunderstorm Warning 152, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Aug 1, 2024, 9:41 PM EDT for 7 counties in 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 counties it named.
The facts
- Issued
- Aug 1, 2024, 9:41 PM EDT (01:41 UTC)
- Expired
- Aug 1, 2024, 10:30 PM EDT
- In force
- 49 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Sullivan County, TN
The radar
The Knoxville radar (KMRX), 36 km from the middle of the area, began a volume at 01:40 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, 1.7 hours before the alert went out and 321 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
- 1775 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1539 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.8
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 1, 9:08 PM EDT, 33 minutes earlier.
Area forecast discussion, Aug 1, 9:08 PM EDT, 33 minutes before
<!doctype html>
<html lang="en">
<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.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Aug 1, 3:07 PM EDT, 6 hours 34 minutes before
Hazardous Weather Outlook National Weather Service Morristown TN 307 PM EDT Thu Aug 1 2024 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-021915- Cherokee-Clay-Scott TN-Campbell-Claiborne-Hancock-Hawkins- Sullivan-Johnson-Morgan-Anderson-Union-Grainger-Hamblen- Northwest Cocke-Cocke Smoky Mountains-Northwest Greene- Southeast Greene-Washington TN-Unicoi-Northwest Carter- Southeast Carter-Roane-Loudon-Knox-Jefferson-Northwest Blount- Blount Smoky Mountains-North Sevier-Sevier Smoky Mountains- Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Northwest Monroe- Southeast Monroe-Marion-Hamilton-Bradley-West Polk-East Polk-Lee- Wise-Scott VA-Russell-Washington VA- 307 PM EDT Thu Aug 1 2024 /207 PM CDT Thu Aug 1 2024/ This Hazardous Weather Outlook is for portions of southwest North Carolina...east Tennessee and southwest Virginia. .DAY ONE...This Afternoon and Tonight Additional showers and thunderstorms are expected through this evening, especially near and north of Interstate 40. Isolated damaging winds and flash flooding will be a concern with these storms. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Widespread showers and storms expected again on Friday. Damaging winds and flash flooding will again be a concern with these storms. The flood watch has been extended until Friday evening. Heat index values will be around 100 degrees starting Monday and creep upwards through Wednesday. .SPOTTER INFORMATION STATEMENT... Spotter reports of flooding and damaging winds are encouraged.
In the hours before
Special weather statement, Aug 1, 7:56 PM EDT, 1 hour 45 minutes before
<!doctype html>
<html lang="en">
<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.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Aug 1, 8:53 PM EDT, 48 minutes before
<!doctype html>
<html lang="en">
<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.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Aug 1, 9:22 PM EDT, 19 minutes before
<!doctype html>
<html lang="en">
<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.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Aug 1, 9:37 PM EDT, 4 minutes before
<!doctype html>
<html lang="en">
<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.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Aug 1, 9:40 PM EDT, 1 minute before
<!doctype html>
<html lang="en">
<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.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 8:29 PM EDT | Severe Thunderstorm Warning | MRX | Claiborne, Hancock | 46 min |
| Aug 1, 8:53 PM EDT | Special Weather Statement | MRX | Anderson, Claiborne, Knox, Union | 52 min |
| Aug 1, 8:55 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Knox, Union | 50 min |
| Aug 1, 9:04 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Blount, Knox, Loudon | 41 min |
| Aug 1, 9:08 PM EDT | Severe Thunderstorm Warning | MRX | Claiborne, Grainger, Hancock, Jefferson, Union | 52 min |
| Aug 1, 9:43 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Grainger, Greene, Hamblen, Hancock, Hawkins and 1 more | 47 min |
| Aug 1, 9:48 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Cocke, Grainger, Greene, Hamblen, Jefferson and 3 more | 57 min |
| Aug 1, 10:30 PM EDT | Special Weather Statement | MRX | Greene, Hamblen | 45 min |
| Aug 1, 10:43 PM EDT | Special Weather Statement | MRX | Blount, Cocke, Sevier | 62 min |
| Aug 2, 1:37 PM EDT | Areal Flood Advisory | MRX | Carter, Greene, Hawkins, Johnson, Sullivan, Unicoi and 1 more | 113 min |
| Aug 2, 1:55 PM EDT | Flash Flood Warning | MRX | Carter, Sullivan, Washington | 5 hr |
| Aug 2, 2:52 PM EDT | Special Weather Statement | MRX | Campbell | 53 min |
| Aug 2, 3:10 PM EDT | Areal Flood Advisory | MRX | Campbell, Scott | 4 hr |
| Aug 2, 3:19 PM EDT | Special Weather Statement | MRX | Scott | 41 min |
| Aug 2, 3:26 PM EDT | Flash Flood Warning | MRX | Greene | 4 hr |
| Aug 2, 4:06 PM EDT | Special Weather Statement | MRX | Claiborne | 39 min |
| Aug 2, 4:16 PM EDT | Severe Thunderstorm Warning | MRX | Hawkins | 38 min |
| Aug 2, 4:34 PM EDT | Special Weather Statement | MRX | Scott | 41 min |
| Aug 2, 4:45 PM EDT | Areal Flood Advisory | MRX | Claiborne, Hancock, Hawkins, Union | 2 hr |
| Aug 2, 5:08 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Scott, Union | 26 min |
| Aug 2, 5:18 PM EDT | Flash Flood Warning | MRX | Claiborne | 3 hr |
| Aug 2, 5:21 PM EDT | Special Weather Statement | MRX | Hancock | 39 min |
| Aug 2, 5:28 PM EDT | Flash Flood Warning | MRX | Campbell, Claiborne, Hancock, Hawkins, Union | 3 hr |
| Aug 2, 6:08 PM EDT | Special Weather Statement | MRX | Campbell | 52 min |
| Aug 2, 6:33 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Scott | 27 min |
| Aug 2, 6:40 PM EDT | Special Weather Statement | MRX | Grainger, Hamblen | 50 min |
| Aug 2, 7:01 PM EDT | Special Weather Statement | MRX | Anderson, Union | 44 min |
| Aug 2, 7:06 PM EDT | Flash Flood Warning | MRX | Claiborne, Grainger, Hancock, Hawkins, Union | 2 hr |
| Aug 2, 7:30 PM EDT | Flash Flood Warning | MRX | Anderson, Campbell, Knox, Morgan, Scott, Union | 3 hr |
| Aug 2, 7:39 PM EDT | Special Weather Statement | MRX | Grainger, Union | 51 min |
| Aug 1, 9:37 PM EDT | Special Weather Statement | MRX | City of Norton | 38 min |
| Aug 2, 11:32 AM EDT | Severe Thunderstorm Warning | MRX | Lee, Scott, Wise, City of Norton | 43 min |
| Aug 2, 12:11 PM EDT | Special Weather Statement | MRX | Wise, City of Norton | 49 min |
| Aug 2, 12:38 PM EDT | Special Weather Statement | MRX | City of Bristol | 52 min |
| Aug 2, 1:10 PM EDT | Special Weather Statement | MRX | Washington, City of Bristol | 65 min |
| Aug 2, 1:26 PM EDT | Severe Thunderstorm Warning | MRX | Washington | 34 min |
| Aug 2, 3:47 PM EDT | Special Weather Statement | MRX | Lee | 43 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2024Every severe thunderstorm warning in 2024
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.