Alert archive / Tennessee / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 47, NWS Morristown, TN

June 2, 2015Hawkins County, Sullivan County, Tennessee; Scott County, Virginia

NWS Morristown, TN issued this severe thunderstorm warning at Jun 2, 2015, 1:53 PM EDT for Hawkins County, Sullivan County, Tennessee; Scott County, 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 counties it named.

The facts

Issued
Jun 2, 2015, 1:53 PM EDT (17:53 UTC)
Expired
Jun 2, 2015, 2:30 PM EDT
In force
37 min
Issued by
NWS Morristown, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Hawkins County, TN, Sullivan County, TN, Scott County, VA

The radar

The Knoxville radar (KMRX), 82 km from the middle of the area, began a volume at 17:55 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, 5.9 hours before the alert went out and 249 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 12:00Z on 2015-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 103 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 12:00Z on 2015-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.193958Sfc1 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
103 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
881 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 2, 1:25 PM EDT, 28 minutes earlier.

Area forecast discussion, Jun 2, 1:25 PM EDT, 28 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
125 PM EDT TUE JUN 2 2015

.AVIATION...SCATTERED SHOWERS AND A FEW ISOLATED THUNDERSTORMS
ACROSS THE AREA. OPTED FOR VCSH INSTEAD OF VCTS DUE TO LIMITED
LIGHTNING ACTIVITY AT THE PRESENT TIME...THOUGH A VCTS ISN'T OUT OF
THE QUESTION. MAINLY VFR CONDITIONS EXPECTED THROUGH THE PERIOD WITH
SCATTERED SHOWERS AND STORMS DIMINISHING THROUGH THE EVENING. MVFR
AND IFR FOG LOOKS PROBABLE AT TRI TOWARD EARLY MORNING...THEN
CLEARING TO VFR BY LATE MORNING.

&&

.MRX WATCHES/WARNINGS/ADVISORIES...
NC...NONE.
TN...NONE.
VA...NONE.

&&

SR
Hazardous weather outlook, Jun 2, 4:21 AM EDT, 9 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MORRISTOWN TN
421 AM EDT TUE JUN 2 2015

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-030830-
CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS-
SULLIVAN-JOHNSON-MORGAN-ANDERSON-UNION-GRAINGER-HAMBLEN-
NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE-
SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER-
SOUTHEAST CARTER-ROANE-LOUDON-KNOX-JEFFERSON-NW 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-SCOTT-RUSSELL-WASHINGTON-
421 AM EDT TUE JUN 2 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH
CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT...

...STRONG TO ISOLATED SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON
AND EVENING...

A FEW STRONG TO ISOLATED SEVERE STORMS ARE AGAIN POSSIBLE TODAY
AS AN UPPER LOW PRESSURE AREA APPROACHES FROM THE WEST AND A WEAK
FRONTAL BOUNDARY REMAINS NEAR THE SOUTHERN APPALACHIANS. STRONG
GUSTY WINDS AND HEAVY RAINFALL WITH THESE STORMS MAY AGAIN CAUSE
ISOLATED WIND DAMAGE AND LOCALIZED FLOODING...ESPECIALLY IN LOW
LYING AREAS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

A SERIES OF UPPER LEVEL DISTURBANCES AND CONTINUED MOIST AND
UNSTABLE AIR-MASS WILL CONTINUE TO PRODUCE SCATTERED SHOWERS AND
THUNDERSTORMS EACH DAY. A RISK OF LOCALLY HEAVY RAINFALL WILL
EXIST WITH THIS SYSTEM DUE TO THE MOISTURE RICH ENVIRONMENT THAT
WILL BE IN PLACE ACROSS THE REGION. SOME MINOR FLOODING CONCERNS
CAN BE EXPECTED IN AREAS THAT RECEIVE PROLONGED RAINFALL FROM MORE
THAN ONE ROUND OF SHOWERS AND THUNDERSTORMS.

ISOLATED STRONG GUSTY WINDS AND FREQUENT LIGHTNING CAN BE EXPECTED
WITH THE STRONGER STORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

TD/DH

In the hours before

Local storm report, Jun 2, 9:06 AM EDT, 4 hours 47 minutes before
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Special weather statement, Jun 2, 12:36 PM EDT, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
1236 PM EDT TUE JUN 2 2015

TNZ016-021715-
HAWKINS TN-
1236 PM EDT TUE JUN 2 2015

SIGNIFICANT WEATHER ADVISORY FOR HAWKINS COUNTY UNTIL 115 PM EDT...

AT 1236 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR ROGERSVILLE...MOVING NORTHEAST AT 10 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ROGERSVILLE...BULLS GAP...ST. CLAIR...KEPLER...KLONDIKE AND MCCLOUD.

LAT...LON 3654 8301 3637 8284 3633 8293 3633 8294
      3632 8296 3626 8309 3634 8316 3634 8317
      3639 8321
TIME...MOT...LOC 1636Z 231DEG 10KT 3638 8308

SR
Special weather statement, Jun 2, 1:33 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
133 PM EDT TUE JUN 2 2015

TNZ016-042-021815-
HAWKINS TN-NORTHWEST GREENE TN-
133 PM EDT TUE JUN 2 2015

SIGNIFICANT WEATHER ADVISORY FOR HAWKINS...AND NORTHWEST GREENE
COUNTIES UNTIL 215 PM EDT...

AT 132 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7
MILES SOUTH OF SURGOINSVILLE...OR 7 MILES EAST OF ROGERSVILLE...
MOVING NORTHEAST AT 10 MPH.

NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SURGOINSVILLE...BAILEYTON...KEPLER AND JEAROLDSTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3631 8290 3638 8296 3653 8283 3635 8267
TIME...MOT...LOC 1732Z 231DEG 10KT 3637 8288

DGS
Local storm report, Jun 2, 1:47 PM EDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
147 PM EDT TUE JUN 02 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0137 PM     HAIL             SURGOINSVILLE           36.47N 82.86W
06/02/2015  E0.50 INCH       HAWKINS            TN   TRAINED SPOTTER

            HAIL UP TO DIME SIZE.

&&

TG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 9:46 PM EDTSpecial Weather StatementMRXBradley, McMinn44 min
Jun 1, 10:08 PM EDTAreal Flood AdvisoryMRXBradley, Hamilton, McMinn, Meigs3 hr
Jun 1, 10:29 PM EDTSpecial Weather StatementMRXMcMinn46 min
Jun 1, 10:33 PM EDTSevere Thunderstorm WarningMRXMcMinn, Monroe27 min
Jun 1, 11:00 PM EDTSpecial Weather StatementMRXMonroe45 min
Jun 2, 12:36 PM EDTSpecial Weather StatementMRXHawkins39 min
Jun 2, 1:33 PM EDTSpecial Weather StatementMRXHawkins42 min
Jun 2, 2:49 PM EDTSevere Thunderstorm WarningMRXBradley, Hamilton, McMinn, Meigs41 min
Jun 2, 2:51 PM EDTSpecial Weather StatementMRXSullivan39 min
Jun 2, 3:00 PM EDTAreal Flood AdvisoryMRXSullivan2 hr
Jun 2, 3:59 PM EDTSpecial Weather StatementMRXBradley46 min
Jun 2, 4:23 PM EDTAreal Flood AdvisoryMRXBradley, Hamilton3 hr
Jun 2, 4:26 PM EDTSpecial Weather StatementMRXSevier49 min
Jun 2, 4:51 PM EDTSevere Thunderstorm WarningMRXBlount, Jefferson, Knox, Sevier39 min
Jun 2, 5:01 PM EDTAreal Flood AdvisoryMRXBlount, Sevier3 hr
Jun 2, 5:22 PM EDTSevere Thunderstorm WarningMRXBlount, Sevier53 min
Jun 2, 5:53 PM EDTSevere Thunderstorm WarningMRXCocke, Greene, Hamblen, Hawkins, Jefferson34 min
Jun 2, 6:13 PM EDTFlash Flood WarningMRXBlount, Sevier3 hr
Jun 2, 6:14 PM EDTSpecial Weather StatementMRXCocke31 min
Jun 2, 6:34 PM EDTSpecial Weather StatementMRXBlount41 min
Jun 2, 7:24 PM EDTSpecial Weather StatementMRXKnox51 min
Jun 2, 2:29 PM EDTSpecial Weather StatementMRXScott46 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2015Severe Thunderstorm Warnings in Virginia, 2015Every severe thunderstorm warning in 2015

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.