Alert archive / North Carolina / Special Weather Statements in 2021

Special Weather Statement, NWS Morristown, TN

March 25, 2021Clay County, North Carolina

NWS Morristown, TN issued this special weather statement at Mar 25, 2021, 1:02 PM EDT for Clay County, North Carolina. It was in force for 28 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 25, 2021, 1:02 PM EDT (17:02 UTC)
Expired: Mar 25, 2021, 1:30 PM EDT
In force: 28 min
Issued by: NWS Morristown, TN

County Clay County, NC

The radar

The Knoxville radar (KMRX), 122 km from the middle of the area, began a volume at 17:06 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, 5.0 hours before the alert went out and 206 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1602 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 397 m²/s²
0-3 km storm-relative helicity: 647 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

<!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>

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 Mar 25, 9:40 AM EDT, 3 hours 22 minutes earlier.

Area forecast discussion, Mar 25, 9:40 AM EDT, 3 hours 22 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, Mar 25, 4:08 AM EDT, 8 hours 54 minutes before

Hazardous Weather Outlook
National Weather Service Morristown TN
408 AM EDT Thu Mar 25 2021

NCZ060-061-TNZ012>018-035>047-067>074-086-087-VAZ001-002-005-006-
008-260815-
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-Northwest Monroe-
Southeast Monroe-Lee-Wise-Russell-
408 AM EDT Thu Mar 25 2021

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

.DAY ONE...Today and Tonight

Severe thunderstorms are possible today and tonight with
moderate to heavy rainfall expected. The primary hazards will be
damaging winds and small hail. However, there remains a threat
for a few tornadoes late this afternoon through the early
overnight hours. In addition to the severe thunderstorm hazards,
there is a threat for localized flash flooding as rainfall rates
will be high. See the Flash Flood Watch for additional
information.

Strong winds are also expected across the area this afternoon into
tonight with gusts likely in excess of 40 mph area-wide. See the
Wind Advisory for additional information. Damaging winds are
expected in the Tennessee mountains and adjacent foothills this
afternoon into tonight where gusts will likely exceed 70 mph. See
the High Wind Warning for additional information.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter reports will be needed this afternoon into tonight.

TNZ081>085-098>102-260815-
Sequatchie-Bledsoe-Rhea-Meigs-McMinn-Marion-Hamilton-Bradley-
West Polk-East Polk-
408 AM EDT Thu Mar 25 2021 /308 AM CDT Thu Mar 25 2021/

This Hazardous Weather Outlook is for portions of east Tennessee.

.DAY ONE...Today and Tonight

Strong to severe thunderstorms and moderate to heavy rainfall are
likely today into tonight. The primary hazards across the
southern Tennessee Valley and southern Cumberland Plateau will be
a few tornadoes, widespread destructive winds, and hail. Strong,
long-tracked tornadoes will also be possible. Localized flash
flooding will be possible with heavy rainfall rates and antecedent
wet soil conditions. See the Flash Flood Watch for additional
information.

Strong winds are expected across the area with gusts likely in
excess of 40 mph. See the Wind Advisory for additional
information.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter reports will be needed this afternoon into tonight.

In the hours before

Local storm report, Mar 25, 11:19 AM EDT, 1 hour 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
1119 AM EDT THU MAR 25 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1103 AM     HAIL             3 SSW CHATTANOOGA       35.03N 85.27W
03/25/2021  E0.25 INCH       HAMILTON           TN   TRAINED SPOTTER

&&

Special weather statement, Mar 25, 11:20 AM EDT, 1 hour 42 minutes before

Special Weather Statement
National Weather Service Morristown TN
1120 AM EDT Thu Mar 25 2021

TNZ085-086-099>102-251600-
West Polk TN-Northwest Monroe TN-East Polk TN-Bradley TN-Hamilton TN-
McMinn TN-
1120 AM EDT Thu Mar 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR BRADLEY...POLK...SOUTHERN
MCMINN...SOUTHWESTERN MONROE AND SOUTHEASTERN HAMILTON COUNTIES UNTIL
NOON EDT...

At 1120 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles northwest of Cleveland to 7 miles
northwest of Cohutta to 8 miles east of Lafayette. Movement was
northeast at 65 mph.

Half inch hail and winds in excess of 40 mph will be possible with
these storms.

Locations impacted include...
Cleveland, Benton, Etowah, Charleston, South Cleveland, East
Cleveland, Wildwood Lake, Collegedale, Englewood and Calhoun.

LAT...LON 3499 8509 3525 8502 3542 8459 3545 8437
      3499 8443
TIME...MOT...LOC 1520Z 236DEG 58KT 3523 8496 3505 8501 3467 8515

JLB

Local storm report, Mar 25, 12:08 PM EDT, 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
1208 PM EDT THU MAR 25 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1130 AM     LIGHTNING        1 N CLEVELAND           35.19N 84.86W
03/25/2021                   BRADLEY            TN   TRAINED SPOTTER

            INSURANCE BUILDING WAS STRUCK BY LIGHTNING
            CAUSING A FIRE.

&&

Special weather statement, Mar 25, 1:02 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Morristown TN
102 PM EDT Thu Mar 25 2021

NCZ061-251730-
Clay NC-
102 PM EDT Thu Mar 25 2021

...SIGNIFICANT WEATHER ADVISORY FOR CLAY COUNTY UNTIL 130 PM EDT...

At 102 PM EDT, Doppler radar was tracking a strong thunderstorm near
Hayesville, moving northeast at 60 mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Hayesville, Nantahala Lake, Shooting Creek, Tusquitee and Brasstown.

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.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3507 8392 3516 8374 3515 8373 3515 8372
      3516 8365 3515 8364 3514 8366 3514 8364
      3512 8364 3513 8362 3511 8362 3507 8357
      3504 8356 3502 8352 3501 8352 3500 8349
      3499 8391
TIME...MOT...LOC 1702Z 244DEG 50KT 3502 8387

JLB

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 3:41 AM EDT	Wind Advisory	MRX	Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 25 more	24 hr
Mar 25, 10:22 AM EDT	River Flood Warning	MRX	Bledsoe, Marion, Sequatchie	4 days
Mar 25, 10:53 AM EDT	Severe Thunderstorm Warning	MRX	Hamilton, Marion	33 min
Mar 25, 11:20 AM EDT	Special Weather Statement	MRX	Bradley, Polk	40 min
Mar 25, 1:03 PM EDT	Flash Flood Warning	MRX	Bradley, Hamilton, Marion, Sequatchie	3 hr
Mar 25, 2:28 PM EDT	Areal Flood Advisory	MRX	Polk	3 hr
Mar 25, 2:52 PM EDT	River Flood Warning	MRX	Hamilton	41 hr
Mar 25, 4:06 PM EDT	Areal Flood Advisory	MRX	Bradley, Hamilton, Marion, Sequatchie	86 min
Mar 25, 4:14 PM EDT	Special Weather Statement	MRX	Bledsoe	31 min
Mar 25, 5:27 PM EDT	Flash Flood Warning	MRX	Bradley, Hamilton, Marion, Sequatchie	4 hr
Mar 25, 6:17 PM EDT	Areal Flood Advisory	MRX	Knox, Loudon	3 hr
Mar 25, 7:17 PM EDT	River Flood Warning	MRX	Cocke	32 hr
Mar 25, 7:57 PM EDT	Areal Flood Advisory	MRX	Polk	4 hr

Nearby

Special Weather Statements in North Carolina, 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.