Alert archive / Tennessee / Special Weather Statements in 2021

Special Weather Statement, NWS Morristown, TN

May 28, 2021Sullivan County, Tennessee; City of Bristol, Virginia

NWS Morristown, TN issued this special weather statement at May 28, 2021, 3:08 PM EDT for Sullivan County, Tennessee; City of Bristol, Virginia. It was in force for 37 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: May 28, 2021, 3:08 PM EDT (19:08 UTC)
Expired: May 28, 2021, 3:45 PM EDT
In force: 37 min
Issued by: NWS Morristown, TN

Counties Sullivan County, TN, City of Bristol, VA

The radar

The Knoxville radar (KMRX), 98 km from the middle of the area, began a volume at 19:08 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, 7.1 hours before the alert went out and 233 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: 106 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 1467 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 83 m²/s²
0-3 km storm-relative helicity: 62 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

033 
WWUS84 KMRX 281908
SPSMRX

Special Weather Statement
National Weather Service Morristown TN
308 PM EDT Fri May 28 2021
 
TNZ016-017-VAZ005-008-281945-
Sullivan TN-Hawkins TN-Washington VA-Scott VA-
308 PM EDT Fri May 28 2021

...SIGNIFICANT WEATHER ADVISORY FOR SULLIVAN...NORTHEASTERN
HAWKINS...SOUTHEASTERN SCOTT AND SOUTHWESTERN WASHINGTON COUNTIES AND
THE CITY OF BRISTOL UNTIL 345 PM EDT...

At 308 PM EDT, Doppler radar was tracking a strong thunderstorm near
Kingsport, moving east at 20 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Kingsport, Bristol Tn, Bristol Va, Gate City, Weber City, Walnut
Hill, Spurgeon, Colonial Heights, Gray and Oak Grove.

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.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3648 8209 3642 8260 3644 8267 3642 8268
      3641 8271 3662 8278 3676 8235 3671 8233
      3675 8226 3679 8214
TIME...MOT...LOC 1908Z 250DEG 20KT 3655 8261 

$$

Moulton

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 2:44 PM EDT	Special Weather Statement	MRX	Hancock, Hawkins	46 min
May 28, 2:58 PM EDT	Areal Flood Advisory	MRX	Campbell, Morgan, Scott	3 hr
May 28, 3:00 PM EDT	Special Weather Statement	MRX	Grainger	45 min
May 28, 3:33 PM EDT	Special Weather Statement	MRX	Campbell, Morgan, Roane, Scott	42 min
May 28, 3:54 PM EDT	Special Weather Statement	MRX	Loudon	36 min
May 28, 3:58 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Knox, Morgan, Roane	47 min
May 28, 4:13 PM EDT	Special Weather Statement	MRX	Anderson, Claiborne, Grainger, Knox, Union	47 min
May 28, 4:18 PM EDT	Special Weather Statement	MRX	Monroe	42 min
May 28, 4:32 PM EDT	Severe Thunderstorm Warning	MRX	Grainger, Jefferson, Knox, Union	43 min
May 28, 4:56 PM EDT	Special Weather Statement	MRX	Grainger, Hamblen, Jefferson	49 min
May 28, 5:02 PM EDT	Severe Thunderstorm Warning	MRX	Cocke, Grainger, Greene, Hamblen, Hawkins, Jefferson	43 min
May 28, 5:18 PM EDT	Special Weather Statement	MRX	Greene, Hamblen, Hancock, Hawkins, Jefferson	42 min
May 28, 5:35 PM EDT	Severe Thunderstorm Warning	MRX	Greene, Hawkins	40 min
May 28, 5:40 PM EDT	Special Weather Statement	MRX	Monroe, Polk	65 min
May 28, 5:58 PM EDT	Special Weather Statement	MRX	Carter, Sullivan, Washington	62 min
May 28, 6:42 PM EDT	Special Weather Statement	MRX	Carter, Johnson	48 min
May 28, 6:46 PM EDT	Severe Thunderstorm Warning	MRX	Carter, Johnson	29 min
May 28, 3:38 PM EDT	Special Weather Statement	MRX	Washington	37 min
May 28, 6:29 PM EDT	Special Weather Statement	MRX	Cherokee, Clay	46 min
May 28, 7:28 PM EDT	Special Weather Statement	MRX	Clay	47 min

Nearby

Special Weather Statements in Tennessee, 2021 Special Weather Statements in Virginia, 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.