Alert archive / Tennessee / Special Weather Statements in 2021

Special Weather Statement, NWS Morristown, TN

June 28, 2021Cocke County, Tennessee

NWS Morristown, TN issued this special weather statement at Jun 28, 2021, 3:33 PM EDT for Cocke County, Tennessee. It was in force for 42 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: Jun 28, 2021, 3:33 PM EDT (19:33 UTC)
Expired: Jun 28, 2021, 4:15 PM EDT
In force: 42 min
Issued by: NWS Morristown, TN

County Cocke County, TN

The radar

The Knoxville radar (KMRX), 46 km from the middle of the area, began a volume at 19:35 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.6 hours before the alert went out and 275 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: 285 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 977 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 60 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 Jun 28, 1:57 PM EDT, 1 hour 36 minutes earlier.

Area forecast discussion, Jun 28, 1:57 PM EDT, 1 hour 36 minutes before

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Hazardous weather outlook, Jun 28, 3:39 AM EDT, 11 hours 54 minutes before

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In the hours before

Special weather statement, Jun 28, 3:33 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Morristown TN
333 PM EDT Mon Jun 28 2021

TNZ040>043-282015-
Cocke Smoky Mountains TN-Northwest Greene TN-Northwest Cocke TN-
Southeast Greene TN-
333 PM EDT Mon Jun 28 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL COCKE AND SOUTHWESTERN
GREENE COUNTIES UNTIL 415 PM EDT...

At 332 PM EDT, Doppler radar was tracking a strong thunderstorm 7
miles northwest of Hot Springs, or 13 miles south of Greeneville,
moving west at 15 mph.

Pea size hail and winds in excess of 30 mph will be possible with
this storm.

Locations impacted include...
Newport, Parrottsville, Caney Branch, Del Rio, Bybee and Cedar Creek.

LAT...LON 3595 8324 3620 8311 3604 8277 3593 8282
      3595 8285 3595 8290 3593 8290 3593 8292
      3592 8291 3589 8290 3588 8291
TIME...MOT...LOC 1932Z 111DEG 12KT 3599 8290

TD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 4:11 PM EDT	Special Weather Statement	MRX	Monroe	49 min
Jun 28, 4:21 PM EDT	Severe Thunderstorm Warning	MRX	McMinn, Monroe	39 min
Jun 28, 4:57 PM EDT	Special Weather Statement	MRX	Monroe	63 min
Jun 28, 5:19 PM EDT	Special Weather Statement	MRX	Roane	41 min
Jun 28, 6:06 PM EDT	Special Weather Statement	MRX	Knox	39 min
Jun 28, 6:11 PM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Grainger, Union	49 min
Jun 28, 6:34 PM EDT	Severe Thunderstorm Warning	MRX	Union	41 min
Jun 28, 6:53 PM EDT	Special Weather Statement	MRX	Claiborne	52 min
Jun 28, 6:57 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Campbell, Knox, Union	48 min
Jun 28, 7:14 PM EDT	Special Weather Statement	MRX	Campbell	46 min
Jun 28, 7:44 PM EDT	Special Weather Statement	MRX	Anderson, Campbell	61 min
Jun 28, 7:53 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Scott	52 min
Jun 28, 4:24 PM EDT	Special Weather Statement	MRX	Washington	51 min
Jun 28, 6:19 PM EDT	Special Weather Statement	MRX	City of Norton	41 min
Jun 28, 6:42 PM EDT	Severe Thunderstorm Warning	MRX	Wise	48 min
Jun 28, 7:28 PM EDT	Severe Thunderstorm Warning	MRX	Wise	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.