Alert archive / Tennessee / Tornado Warnings in 2013

Tornado Warning 33, NWS Nashville, TN

May 17, 2013Giles County, Tennessee

NWS Nashville, TN issued this tornado warning at May 17, 2013, 2:49 PM CDT for Giles County, Tennessee. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 17, 2013, 2:49 PM CDT (19:49 UTC)
Expired
May 17, 2013, 3:15 PM CDT
In force
26 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

County Giles County, TN

The radar

The Northeast Alabama radar (KHTX), 76 km from the middle of the area, began a volume at 19:50 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.

What was reported inside it

TimeReportWhereRemark
May 17, 2:55 PM CDTTSTM WND DMG5 Sse Elkton, TNNWS HUNTSVILLE SURVEY TEAM NOTED A TREE WITH LARGE LIMBS SNAPPED ALONG HWY 7 JUST EAST OF PLEASANT VIEW DRIVE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.8 hours before the alert went out and 124 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 2013-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2013-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1257 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

364 
WFUS54 KOHX 171949
TOROHX
TNC055-172015-
/O.NEW.KOHX.TO.W.0033.130517T1949Z-130517T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
249 PM CDT FRI MAY 17 2013

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN GILES COUNTY IN MIDDLE TENNESSEE...

* UNTIL 315 PM CDT

* AT 245 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A RAPIDLY        
  ROTATING WALL CLOUD ARDMORE...OR 19 MILES SOUTHEAST OF PULASKI.    
  DOPPLER RADAR SHOWED THIS STORM MOVING NORTH AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ARDMORE AND ELKTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

&&

LAT...LON 3500 8698 3518 8691 3516 8682 3500 8683
      3499 8684 3499 8698
TIME...MOT...LOC 1949Z 200DEG 14KT 3497 8687

$$

ROSE
2 follow-up statements
689 
WWUS54 KOHX 171958
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
258 PM CDT FRI MAY 17 2013

TNC055-172015-
/O.CON.KOHX.TO.W.0033.000000T0000Z-130517T2015Z/
GILES TN-
258 PM CDT FRI MAY 17 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN GILES COUNTY
UNTIL 315 PM CDT...

AT 256 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR ARDMORE...OR 17 MILES SOUTHEAST OF PULASKI...
MOVING NORTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  ELKTON AND ARDMORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3517 8687 3516 8682 3500 8683 3499 8684
      3499 8697
TIME...MOT...LOC 1959Z 208DEG 17KT 3502 8683

$$

ROSE
767 
WWUS54 KOHX 172010
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
310 PM CDT FRI MAY 17 2013

TNC055-172020-
/O.EXP.KOHX.TO.W.0033.000000T0000Z-130517T2015Z/
GILES TN-
310 PM CDT FRI MAY 17 2013

...THE TORNADO WARNING FOR SOUTHEASTERN GILES COUNTY WILL EXPIRE AT
315 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

LAT...LON 3517 8687 3516 8682 3500 8683 3499 8684
      3499 8697
TIME...MOT...LOC 2010Z 208DEG 17KT 3507 8680

$$

ROSE

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 2:30 PM CDTSevere Thunderstorm WarningOHXGiles30 min

Nearby

Tornado Warnings in Tennessee, 2013Every tornado warning in 2013Tornadoes in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.