Alert archive / Tennessee / Special Weather Statements in 2021

Special Weather Statement, NWS Morristown, TN

July 16, 2021Bradley County, Tennessee

NWS Morristown, TN issued this special weather statement at Jul 16, 2021, 1:24 PM EDT for Bradley County, Tennessee. It was in force for 51 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: Jul 16, 2021, 1:24 PM EDT (17:24 UTC)
Expired: Jul 16, 2021, 2:15 PM EDT
In force: 51 min
Issued by: NWS Morristown, TN

County Bradley County, TN

The radar

The Northeast Alabama radar (KHTX), 108 km from the middle of the area, began a volume at 17:25 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.4 hours before the alert went out and 192 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 926 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 923 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: -5 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Morristown, TN wrote its last area forecast discussion before this special weather statement went out at Jul 16, 10:21 AM EDT, 3 hours 3 minutes earlier.

Area forecast discussion, Jul 16, 10:21 AM EDT, 3 hours 3 minutes before

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  <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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, Jul 16, 3:09 AM EDT, 10 hours 15 minutes before

Hazardous Weather Outlook
National Weather Service Morristown TN
309 AM EDT Fri Jul 16 2021

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-170715-
Cherokee-Clay-Scott-Campbell-Claiborne-Hancock-Hawkins-Sullivan-
Johnson-Morgan-Anderson-Union-Grainger-Hamblen-Northwest Cocke-
Cocke Smoky Mountains-Northwest Greene-Southeast Greene-
Washington-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-Russell-
309 AM EDT Fri Jul 16 2021 /209 AM CDT Fri Jul 16 2021/

This Hazardous Weather Outlook is for portions of southwest North
Carolina...east Tennessee and southwest Virginia.

.DAY ONE...Today and Tonight

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Saturday afternoon and evening, a few strong to severe
thunderstorms will be possible as a cold front moves into the
region. Damaging winds would be the main concern. Locally heavy
rainfall would also be a concern.

Widespread showers and thunderstorms continuing Sunday into
Monday along a stalling front could also produce locally heavy
rainfall.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not needed at this time.

In the hours before

Special weather statement, Jul 16, 1:24 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Morristown TN
124 PM EDT Fri Jul 16 2021

TNZ099>101-161815-
West Polk TN-Bradley TN-Hamilton TN-
124 PM EDT Fri Jul 16 2021

...SIGNIFICANT WEATHER ADVISORY FOR BRADLEY...SOUTHWESTERN POLK AND
SOUTHEASTERN HAMILTON COUNTIES UNTIL 215 PM EDT...

At 123 PM EDT, Doppler radar was tracking a strong thunderstorm near
Cohutta, or 11 miles northeast of Ringgold, moving northeast at 20
mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Cleveland, South Cleveland, East Cleveland, Wildwood Lake,
Collegedale, Waterville, Conasauga, Parksville, Hopewell and Red Clay
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 3499 8505 3505 8510 3532 8488 3505 8460
      3499 8476
TIME...MOT...LOC 1723Z 234DEG 17KT 3502 8497

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 16, 2:04 PM EDT	Special Weather Statement	MRX	Bledsoe	26 min
Jul 16, 2:49 PM EDT	Special Weather Statement	MRX	Meigs	26 min

Nearby

Special Weather Statements in Tennessee, 2021 Every special weather statement 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.