Alert archive / Tennessee / Special Weather Statements in 2021

Special Weather Statement, NWS Morristown, TN

June 14, 2021Hawkins County, Tennessee

NWS Morristown, TN issued this special weather statement at Jun 14, 2021, 12:22 AM 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 14, 2021, 12:22 AM EDT (04:22 UTC)
Expired
Jun 14, 2021, 12:45 AM EDT
In force
23 min
Issued by
NWS Morristown, TN

County Hawkins County, TN

The radar

The Knoxville radar (KMRX), 75 km from the middle of the area, began a volume at 04:25 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.4 hours before the alert went out and 251 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, 2 hours 7 minutes earlier.

Area forecast discussion, Jun 13, 10:15 PM EDT, 2 hours 7 minutes before
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Hazardous weather outlook, Jun 13, 3:25 PM EDT, 8 hours 57 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, 10:00 PM EDT, 2 hours 22 minutes before
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Special weather statement, Jun 13, 10:26 PM EDT, 1 hour 56 minutes before
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Special weather statement, Jun 13, 10:37 PM EDT, 1 hour 45 minutes before
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Special weather statement, Jun 13, 10:59 PM EDT, 1 hour 23 minutes before
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Special weather statement, Jun 13, 11:27 PM EDT, 55 minutes before
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Special weather statement, Jun 14, 12:22 AM EDT, 0 minutes before
Special Weather Statement
National Weather Service Morristown TN
1222 AM EDT Mon Jun 14 2021

TNZ016-017-042-044-140445-
Sullivan TN-Washington TN-Northwest Greene TN-Hawkins TN-
1222 AM EDT Mon Jun 14 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN SULLIVAN...
NORTHEASTERN HAWKINS...NORTHWESTERN WASHINGTON AND NORTHEASTERN
GREENE COUNTIES UNTIL 1245 AM EDT...

At 1222 AM EDT, Doppler radar was tracking a strong thunderstorm 7
miles west of Kingsport, moving south at 15 mph.

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

Locations impacted include...
Kingsport, Surgoinsville, Church Hill, Mount Carmel, Baileyton,
Sullivan Gardens, Fall Branch, Okolona, Jearoldstown and Bays
Mountain Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3636 8251 3634 8284 3659 8279 3660 8269
      3659 8261
TIME...MOT...LOC 0422Z 006DEG 12KT 3650 8268

JLB

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, 10:37 PM EDTSpecial Weather StatementMRXHawkins23 min
Jun 13, 10:59 PM EDTSpecial Weather StatementMRXGreene31 min
Jun 13, 11:27 PM EDTSpecial Weather StatementMRXGreene48 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.