Alert archive / Tennessee / Special Weather Statements in 2016

Special Weather Statement, NWS Morristown, TN

July 19, 2016Bradley County, Meigs County, Tennessee

NWS Morristown, TN issued this special weather statement at Jul 19, 2016, 5:47 PM EDT for Bradley County, Meigs County, Tennessee. It was in force for 28 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 19, 2016, 5:47 PM EDT (21:47 UTC)
Expired
Jul 19, 2016, 6:15 PM EDT
In force
28 min
Issued by
NWS Morristown, TN

Counties Bradley County, TN, Meigs County, TN

The radar

The Northeast Alabama radar (KHTX), 117 km from the middle of the area, began a volume at 21:50 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

Nashville Metro, TN (KBNA), launched 12:00Z, 9.8 hours before the alert went out and 178 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, Nashville Metro, TN at 12:00Z on 2016-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2232 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, Nashville Metro, TN at 12:00Z on 2016-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
2232 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
985 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
35 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 Jul 19, 3:05 PM EDT, 2 hours 42 minutes earlier.

Area forecast discussion, Jul 19, 3:05 PM EDT, 2 hours 42 minutes before
Area Forecast Discussion
National Weather Service Morristown TN
305 PM EDT TUE JUL 19 2016

.SHORT TERM (Tonight and Wednesday)...Convection continues to
develop across the Southern Appalachian Region. This activity will
continue through the rest of the afternoon and into the early
evening....then slowly end across the area by midnight. The rest of
the night should be dry and mild. Dry air will move in on Wednesday
and afternoon convection should remain confined to the southeastern
portion of the MRX CWA. Otherwise... plan on another hot day with
temperatures climbing into the 90s across much of the valley.

.LONG TERM (WEDNESDAY NIGHT THROUGH TUESDAY)...We begin the
period with a large area of high pressure centered just off to our
west. Dry conditions expected Wednesday night except for a slight
chance of a thunderstorm across the extreme Southern Valley but
that will end quickly after sunset. Mild Wednesday night with lows
in the upper 60s to low 70s. Center of the high edges closer on
Thursday and will keep most areas dry with the exception of a
slight chance of an afternoon thunderstorm across the eastern
mountains and high terrain of the Southern Plateau. Highs on
Thursday will be in the lower 90s to mid and upper 90s. Mild
overnight lows continue Thursday night, upper 60s to low 70s. For
Friday it's a rinse, wash, and repeat of Thursday. The only real
difference is a larger area of slight chance pops in place for
afternoon showers and storms but overall chances still pretty low.

This weekend the ridge begins to flatten a little as a weak wave
approaches Saturday and another one late Sunday night into Monday.
This will allow for low-end chance pops through the weekend but with
highs still in the low-to-mid and upper 90s. On Tuesday, the
Sunday/Monday system has stalled across the area and offers up
another day of chance pops. By Tuesday high temps become more
seasonable with temperatures in the upper 80s to low 90s. Overall, a
a hot long term period in store with overall low rain chances.

&&

.PRELIMINARY POINT TEMPS/POPS...
Chattanooga Airport, TN             73  96  73  97 /  30  20  20  10
Knoxville McGhee Tyson Airport, TN  70  93  71  93 /  20  10  10  10
Oak Ridge, TN                       71  93  71  94 /  20  10  10  10
Tri Cities Airport, TN              67  89  63  90 /  20  10   0  10

&&

.MRX WATCHES/WARNINGS/ADVISORIES...
NC...None.
TN...None.
VA...None.
&&

MJB/SR
Hazardous weather outlook, Jul 19, 2:57 AM EDT, 14 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MORRISTOWN TN
257 AM EDT TUE JUL 19 2016

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-200700-
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-
257 AM EDT TUE JUL 19 2016 /157 AM CDT TUE JUL 19 2016/

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

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

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN ON TUESDAY.
SOME OF THE STORMS COULD BE STRONG TO MARGINALLY SEVERE...WITH
STRONG WINDS AND HEAVY RAINS BEING THE MAIN THREATS.

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

NO HAZARDOUS WEATHER IS EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jul 19, 4:13 PM EDT, 1 hour 34 minutes before
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Local storm report, Jul 19, 4:20 PM EDT, 1 hour 27 minutes before
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Special weather statement, Jul 19, 4:22 PM EDT, 1 hour 25 minutes before
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Special weather statement, Jul 19, 4:26 PM EDT, 1 hour 21 minutes before
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Local storm report, Jul 19, 4:29 PM EDT, 1 hour 18 minutes before
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Special weather statement, Jul 19, 5:47 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
Jul 19, 1:50 PM EDTSevere Thunderstorm WarningMRXHawkins, Sullivan40 min
Jul 19, 2:49 PM EDTSevere Thunderstorm WarningMRXAnderson, Morgan, Scott41 min
Jul 19, 2:58 PM EDTSpecial Weather StatementMRXWashington32 min
Jul 19, 3:10 PM EDTSpecial Weather StatementMRXHamblen50 min
Jul 19, 3:12 PM EDTSevere Thunderstorm WarningMRXCocke, Greene, Hamblen34 min
Jul 19, 3:15 PM EDTSevere Thunderstorm WarningMRXSullivan, Unicoi, Washington45 min
Jul 19, 3:18 PM EDTAreal Flood AdvisoryMRXMorgan, Scott3 hr
Jul 19, 3:38 PM EDTSpecial Weather StatementMRXAnderson52 min
Jul 19, 3:51 PM EDTSevere Thunderstorm WarningMRXAnderson, Campbell, Knox39 min
Jul 19, 4:01 PM EDTSpecial Weather StatementMRXUnicoi29 min
Jul 19, 4:09 PM EDTSpecial Weather StatementMRXHamblen36 min
Jul 19, 4:22 PM EDTSpecial Weather StatementMRXGreene23 min
Jul 19, 4:26 PM EDTSpecial Weather StatementMRXAnderson, Knox49 min
Jul 19, 6:32 PM EDTAreal Flood AdvisoryMRXJohnson, Sullivan3 hr
Jul 19, 1:31 PM EDTSpecial Weather StatementMRXScott44 min
Jul 19, 2:25 PM EDTAreal Flood AdvisoryMRXScott3 hr
Jul 19, 2:32 PM EDTSpecial Weather StatementMRXScott43 min

Nearby

Special Weather Statements in Tennessee, 2016Every 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.