Alert archive / Tennessee / Special Weather Statements in 2016

Special Weather Statement, NWS Morristown, TN

July 28, 20165 counties in Tennessee; Scott County, Virginia

NWS Morristown, TN issued this special weather statement at Jul 28, 2016, 12:02 AM EDT for 5 counties in Tennessee; Scott County, Virginia. It was in force for 58 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: Jul 28, 2016, 12:02 AM EDT (04:02 UTC)
Expired: Jul 28, 2016, 1:00 AM EDT
In force: 58 min
Issued by: NWS Morristown, TN

Counties Greene County, TN, Hawkins County, TN, Sullivan County, TN, Unicoi County, TN, Washington County, TN, Scott County, VA

The radar

The Knoxville radar (KMRX), 63 km from the middle of the area, began a volume at 04:03 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

Roanoke, VA (KRNK), launched 00:00Z, 4.0 hours before the alert went out and 308 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: 1188 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 864 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 54 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.5

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 Jul 27, 10:46 PM EDT, 1 hour 16 minutes earlier.

Area forecast discussion, Jul 27, 10:46 PM EDT, 1 hour 16 minutes before

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Hazardous weather outlook, Jul 27, 3:21 PM EDT, 8 hours 41 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MORRISTOWN TN
321 PM EDT WED JUL 27 2016

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-281930-
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-
321 PM EDT WED JUL 27 2016 /221 PM CDT WED JUL 27 2016/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

AN APPROACHING MIDDLE LEVEL DISTURBANCE WILL MOVE ACROSS THE AREA
ON THURSDAY. EXPECT SCATTERED SHOWERS AND THUNDERSTORMS ON
THURSDAY AND THURSDAY NIGHT AS THIS SYSTEM MOVES ACROSS THE AREA.
SOME OF THESE STORMS COULD BECOME STRONG TO SEVERE WITH DAMAGING
WINDS AND LOCALLY HEAVY RAINFALL BEING THE MAIN THREATS. LOCALIZED
FLOODING IS POSSIBLE ACROSS AREAS THAT SEE REPEATED ROUNDS OF
SHOWERS AND STORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Special weather statement, Jul 27, 10:23 PM EDT, 1 hour 39 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
1023 PM EDT WED JUL 27 2016

TNZ013-014-037-280315-
CAMPBELL-CLAIBORNE-UNION-
1023 PM EDT WED JUL 27 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CAMPBELL...
NORTHWESTERN CLAIBORNE AND NORTHWESTERN UNION COUNTIES...

AT 1023 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 10 MILES SOUTH OF
PRUDEN...OR 14 MILES EAST OF LA FOLLETTE...MOVING NORTH AT 10 MPH.

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

LOCATIONS IMPACTED INCLUDE...
CLAIRFIELD.

LAT...LON 3635 8380 3639 8401 3659 8400 3658 8369
      3659 8368
TIME...MOT...LOC 0223Z 192DEG 10KT 3645 8389

MJB

Special weather statement, Jul 27, 10:36 PM EDT, 1 hour 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
1036 PM EDT WED JUL 27 2016

TNZ014-037-280300-
CLAIBORNE-UNION-
1036 PM EDT WED JUL 27 2016

...A STRONG THUNDERSTORM WILL AFFECT CLAIBORNE AND NORTHERN UNION
COUNTIES...

AT 1036 PM EDT...A STRONG THUNDERSTORM WAS LOCATED NEAR NEW
TAZEWELL... OR 12 MILES SOUTH OF MIDDLESBORO...MOVING NORTH AT 10
MPH.

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

LOCATIONS IMPACTED INCLUDE...
NEW TAZEWELL...TAZEWELL...HARROGATE...LONE MOUNTAIN...SPRINGDALE...
CUMBERLAND GAP...POWELL RIVER PRESERVE...ARTHUR AND SANDLICK.

LAT...LON 3659 8347 3636 8350 3637 8351 3636 8352
      3636 8356 3637 8356 3636 8357 3637 8359
      3637 8360 3638 8385 3658 8380 3658 8369
      3660 8368
TIME...MOT...LOC 0236Z 192DEG 10KT 3644 8369

MJB

Special weather statement, Jul 27, 10:46 PM EDT, 1 hour 16 minutes before

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Local storm report, Jul 27, 11:16 PM EDT, 46 minutes before

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Local storm report, Jul 27, 11:49 PM EDT, 13 minutes before

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Special weather statement, Jul 28, 12:02 AM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 9:12 PM EDT	Special Weather Statement	MRX	Scott	33 min
Jul 27, 9:44 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Scott	46 min
Jul 27, 10:23 PM EDT	Special Weather Statement	MRX	Claiborne	52 min
Jul 27, 10:34 PM EDT	Areal Flood Advisory	MRX	Scott	3 hr
Jul 27, 10:36 PM EDT	Special Weather Statement	MRX	Claiborne	24 min
Jul 27, 10:39 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Claiborne, Hancock	51 min
Jul 27, 10:46 PM EDT	Special Weather Statement	MRX	Scott	44 min
Jul 28, 1:07 AM EDT	Special Weather Statement	MRX	Hawkins, Unicoi, Washington	53 min
Jul 28, 1:09 AM EDT	Special Weather Statement	MRX	Johnson	66 min
Jul 28, 2:11 AM EDT	Areal Flood Advisory	MRX	Hawkins	3 hr
Jul 28, 3:00 PM EDT	Flash Flood Watch	MRX	Campbell, Claiborne, Hancock, Morgan, Scott	6 hr
Jul 27, 8:07 PM EDT	Areal Flood Advisory	MRX	Wise	3 hr
Jul 28, 2:20 AM EDT	Special Weather Statement	MRX	Russell	40 min

Nearby

Special Weather Statements in Tennessee, 2016 Special Weather Statements in Virginia, 2016 Every special weather statement in 2016

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.