Alert archive / Tennessee / Special Weather Statements in 2021

Special Weather Statement, NWS Morristown, TN

June 13, 2021Hawkins County, Tennessee

NWS Morristown, TN issued this special weather statement at Jun 13, 2021, 10:37 PM EDT for Hawkins County, Tennessee. It was in force for 23 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 13, 2021, 10:37 PM EDT (02:37 UTC)
Expired
Jun 13, 2021, 11:00 PM EDT
In force
23 min
Issued by
NWS Morristown, TN

County Hawkins County, TN

The radar

The Knoxville radar (KMRX), 45 km from the middle of the area, began a volume at 02:40 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 2.6 hours before the alert went out and 274 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 2021-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 167 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2021-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
167 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1258 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
33 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 13, 10:15 PM EDT, 22 minutes earlier.

Area forecast discussion, Jun 13, 10:15 PM EDT, 22 minutes before
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Hazardous weather outlook, Jun 13, 3:25 PM EDT, 7 hours 12 minutes before
Hazardous Weather Outlook
National Weather Service Morristown TN
325 PM EDT Sun Jun 13 2021

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-141930-
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-
325 PM EDT Sun Jun 13 2021 /225 PM CDT Sun Jun 13 2021/

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

.DAY ONE...This Afternoon and Tonight

A broken line of scattered showers and thunderstorms will move
into the region from the north this evening. These storms are
expected to weaken into the late evening hours, however a few
strong to severe storms are possible north of interstate 40. The
primary hazards with any of the stronger storms will be damaging
winds and large hail.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not needed at this time.

In the hours before

Special weather statement, Jun 13, 9:08 PM EDT, 1 hour 29 minutes before
Special Weather Statement
National Weather Service Morristown TN
908 PM EDT Sun Jun 13 2021

VAZ006-140200-
Russell VA-
908 PM EDT Sun Jun 13 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN RUSSELL COUNTY UNTIL
1000 PM EDT...

At 907 PM EDT, Doppler radar was tracking a strong thunderstorm near
Glen Burke, or 8 miles northwest of Richlands, moving southeast at 30
mph.

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

Locations impacted include...
Honaker, Dye and Rosedale.

LAT...LON 3711 8189 3704 8182 3696 8178 3695 8182
      3689 8189 3688 8192 3706 8204 3707 8202
      3709 8202 3712 8201 3713 8199 3712 8197
      3713 8196 3713 8193 3714 8190
TIME...MOT...LOC 0107Z 325DEG 25KT 3716 8193

SR
Special weather statement, Jun 13, 9:39 PM EDT, 58 minutes before
Special Weather Statement
National Weather Service Morristown TN
939 PM EDT Sun Jun 13 2021

TNZ012-140215-
Scott TN-
939 PM EDT Sun Jun 13 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN SCOTT COUNTY UNTIL
1015 PM EDT...

At 939 PM EDT, Doppler radar was tracking a strong thunderstorm near
Oneida, moving south at 25 mph.

Pea size hail and wind gusts up to 50 mph will be possible with this
storm.

Locations impacted include...
Oneida, Huntsville, Helenwood, Winfield and Robbins.

LAT...LON 3659 8440 3638 8436 3636 8459 3660 8456
      3660 8440
TIME...MOT...LOC 0139Z 358DEG 21KT 3657 8449

BW
Special weather statement, Jun 13, 10:00 PM EDT, 37 minutes before
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Special weather statement, Jun 13, 10:26 PM EDT, 11 minutes before
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Special weather statement, Jun 13, 10:37 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 9:09 PM EDTSevere Thunderstorm WarningMRXCampbell, Scott36 min
Jun 13, 9:39 PM EDTSpecial Weather StatementMRXScott36 min
Jun 13, 10:00 PM EDTSpecial Weather StatementMRXHamilton30 min
Jun 13, 10:26 PM EDTSpecial Weather StatementMRXMarion19 min
Jun 13, 10:59 PM EDTSpecial Weather StatementMRXGreene31 min
Jun 13, 11:27 PM EDTSpecial Weather StatementMRXGreene48 min
Jun 14, 12:22 AM EDTSpecial Weather StatementMRXHawkins23 min
Jun 14, 12:56 AM EDTSpecial Weather StatementMRXUnion34 min
Jun 14, 1:09 AM EDTSpecial Weather StatementMRXUnion36 min
Jun 14, 1:35 AM EDTSpecial Weather StatementMRXLoudon25 min
Jun 14, 2:09 AM EDTSpecial Weather StatementMRXKnox36 min
Jun 14, 2:22 AM EDTSpecial Weather StatementMRXHamblen38 min
Jun 14, 2:31 AM EDTSevere Thunderstorm WarningMRXBlount, Knox, Loudon32 min
Jun 14, 3:02 AM EDTSpecial Weather StatementMRXMarion28 min
Jun 13, 9:08 PM EDTSpecial Weather StatementMRXRussell52 min

Nearby

Special Weather Statements in Tennessee, 2021Every 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.