Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 78, NWS Morristown, TN

June 8, 2014Cherokee County, Clay County, North Carolina

NWS Morristown, TN issued this severe thunderstorm warning at Jun 8, 2014, 3:12 AM EDT for Cherokee County, Clay County, North Carolina. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 8, 2014, 3:12 AM EDT (07:12 UTC)
Expired: Jun 8, 2014, 3:45 AM EDT
In force: 33 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon

Counties Cherokee County, NC, Clay County, NC

The radar

The Knoxville radar (KMRX), 128 km from the middle of the area, began a volume at 07:14 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 00:00Z, 7.2 hours before the alert went out and 199 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: 1015 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1452 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 8, 1:15 AM EDT, 1 hour 57 minutes earlier.

Area forecast discussion, Jun 8, 1:15 AM EDT, 1 hour 57 minutes before

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Hazardous weather outlook, Jun 7, 8:03 PM EDT, 7 hours 9 minutes before

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In the hours before

Special weather statement, Jun 7, 9:59 PM EDT, 5 hours 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
859 PM CDT SAT JUN 7 2014

TNZ081-082-098-080245-
MARION TN-BLEDSOE TN-SEQUATCHIE TN-
859 PM CDT SAT JUN 7 2014

...SIGNIFICANT WEATHER ADVISORY FOR MARION...BLEDSOE...SEQUATCHIE...
COUNTIES UNTIL 945 PM CDT...

AT 857 PM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR SPENCER TO 9 MILES
SOUTHEAST OF MCMINNVILLE TO NEAR MANCHESTER...AND MOVING SOUTHEAST
AT 35 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
DUNLAP...JASPER...PIKEVILLE...SOUTH PITTSBURG...WHITWELL...KIMBALL...
MONTEAGLE...POWELLS CROSSROADS...ORME...MARTIN SPRINGS...FOSTER FALLS
S.P....SEQUATCHIE CAVE...FALL CREEK FALLS S.P....FIERY GIZZARD S.P...
.LONE OAK...MELVINE...PALIO...BRAYTON...CAGLE AND HALETOWN (GUILD).

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1200 AM CDT
SUNDAY MORNING FOR PORTIONS OF CENTRAL AND EAST TENNESSEE.

LAT...LON 3523 8587 3524 8582 3521 8574 3529 8570
      3531 8557 3536 8550 3541 8549 3553 8559
      3557 8542 3572 8527 3577 8525 3576 8492
      3557 8511 3550 8514 3547 8512 3544 8518
      3515 8539 3508 8536 3501 8542 3499 8587
TIME...MOT...LOC 0157Z 283DEG 30KT 3581 8543 3560 8564 3545 8600

17

Special weather statement, Jun 8, 3:07 AM EDT, 5 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
307 AM EDT SUN JUN 8 2014

NCZ060-061-080745-
CLAY NC-CHEROKEE NC-
307 AM EDT SUN JUN 8 2014

...SIGNIFICANT WEATHER ADVISORY FOR CLAY AND EASTERN CHEROKEE
COUNTIES UNTIL 345 AM EDT...

AT 306 AM EDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES WEST OF ANDREWS TO
6 MILES EAST OF MURPHY TO NEAR HAYESVILLE TO NEAR BLAIRSVILLE...AND
MOVING NORTHEAST AT 25 MPH.

WINDS IN EXCESS OF 45 MPH...FREQUENT LIGHTNING AND HEAVY RAINS WILL
BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
ANDREWS...HAYESVILLE...TOPTON...MARBLE...SHOOTING CREEK AND
TUSQUITEE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3506 8394 3523 8400 3522 8395 3525 8385
      3524 8375 3526 8371 3523 8369 3520 8373
      3519 8372 3515 8374 3515 8365 3512 8364
      3512 8362 3500 8351 3499 8388
TIME...MOT...LOC 0706Z 238DEG 18KT 3524 8396 3508 8391 3500 8383 3484
8390

DH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 9:59 PM EDT	Special Weather Statement	MRX	Bledsoe, Marion, Sequatchie	46 min
Jun 8, 3:07 AM EDT	Special Weather Statement	MRX	Clay	38 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2014 Every severe thunderstorm warning in 2014

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.