Alert archive / Tennessee / Tornado Warnings in 2014

Tornado Warning 9, NWS Nashville, TN

April 28, 20144 counties in Tennessee

NWS Nashville, TN issued this tornado warning at Apr 28, 2014, 12:32 PM CDT for 4 counties in Tennessee. It was in force for 28 min. 6 reports 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
Apr 28, 2014, 12:32 PM CDT (17:32 UTC)
Expired
Apr 28, 2014, 1:00 PM CDT
In force
28 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon

Counties Cumberland County, TN, Fentress County, TN, Putnam County, TN, White County, TN

The radar

The Nashville radar (KOHX), 133 km from the middle of the area, began a volume at 17:32 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
Apr 28, 12:32 PM CDTTSTM WND DMG10 E Sparta, TN2 HOMES SUFFERED ROOF AND SIDING DAMAGE. A GRAIN SILO WAS COMPLETELY DESTROYED. DEBRIS SCATTERED ALL OVER PER EMA. DAMAGE WAS ALONG EASTLAND RD IN FAR EASTERN WHITE COUNTY. POSSIBLE TORNADO.
Apr 28, 12:33 PM CDTTSTM WND DMG11 E Sparta, TNNUMEROUS TREES WERE SNAPPED AND A TRAILERS PORCH WAS DESTROYED. RESIDENTS CLEARLY SAW A ROTATING FUNNEL BEFORE THE DAMAGE OCCURRED. LOCATION IS 1 MILE FURTHER EAST DOWN EASTLAND ROAD FROM THE PREVIOUS DAMAGE REPORT.
Apr 28, 12:36 PM CDTTORNADO13 Ese Sparta, TNINITIAL DAMAGE WAS NOTED JUST SOUTH OF THE INTERSECTION OF DUMPLIN RIDGE ROAD AND EASTLAND ROAD IN NORTHEAST WHITE COUNTY. TREES WERE SNAPPED AND AN OCCUPIED VEHICLE WAS THROWN OFF THEROAD AT THIS LOCATION. DAMAGE CONTINUED APPROXIMATELY 2.1 MILES TOTHE EAST-N
Apr 28, 12:36 PM CDTTORNADO13 Ese Sparta, TNRATED EF1. INITIAL DAMAGE WAS NOTED JUST SOUTH OF THE INTERSECTION OF DUMPLIN RIDGE ROAD AND EASTLAND ROAD IN NORTHEAST WHITE COUNTY. TREES WERE SNAPPED AND AN OCCUPIED VEHICLE WAS THROWN OFF THE ROAD AT THIS LOCATION. DAMAGE CONTINUED APPROXIMATELY 2.1 MILES
Apr 28, 12:43 PM CDTTSTM WND DMGPleasant Hill, TNSEVERAL TREES WERE BLOWN DOWN IN PLEASANT GROVE.
Apr 28, 12:43 PM CDTTSTM WND DMGPleasant Hill, TNSEVERAL TREES WERE BLOWN DOWN IN PLEASANT GROVE.

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, 5.5 hours before the alert went out and 135 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 2014-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 267 joules per kilogram.LCLLFCEL10008507005003002001001 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 2014-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 573 square meters per square second.19395878Sfc1 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
267 J/kg
Mixed-layer CIN
-224 J/kg
Mixed-layer LCL
707 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
573 m²/s²
0-3 km storm-relative helicity
616 m²/s²
Significant tornado parameter
0.0
Supercell composite
14.5

Open this sounding in Storm Lab

The text

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

915 
WFUS54 KOHX 281732
TOROHX
TNC035-049-141-185-281800-
/O.NEW.KOHX.TO.W.0009.140428T1732Z-140428T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1232 PM CDT MON APR 28 2014

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CUMBERLAND COUNTY IN MIDDLE TENNESSEE...
  SOUTHWESTERN FENTRESS COUNTY IN MIDDLE TENNESSEE...
  SOUTHEASTERN PUTNAM COUNTY IN MIDDLE TENNESSEE...
  EASTERN WHITE COUNTY IN MIDDLE TENNESSEE...

* UNTIL 100 PM CDT

* AT 1230 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR SPARTA...AND MOVING EAST AT 50 MPH.

  IN ADDITION...1 INCH HAIL WAS REPORTED IN SPARTA WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
  CROSSVILLE...FAIRFIELD GLADE...PLEASANT HILL...SLATE SPRINGS AND
  CLARKRANGE.

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.

LAT...LON 3595 8485 3582 8535 3604 8544 3615 8517
      3615 8512 3620 8508 3625 8497
TIME...MOT...LOC 1731Z 252DEG 43KT 3595 8531

$$

11
1 follow-up statement
970 
WWUS54 KOHX 281749
SVSOHX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1249 PM CDT MON APR 28 2014

TNC049-185-281759-
/O.CAN.KOHX.TO.W.0009.000000T0000Z-140428T1800Z/
WHITE TN-FENTRESS TN-
1249 PM CDT MON APR 28 2014

...THE TORNADO WARNING FOR SOUTHWESTERN FENTRESS AND EASTERN WHITE
COUNTIES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT MONDAY EVENING FOR
CENTRAL TENNESSEE.

LAT...LON 3587 8515 3613 8523 3615 8517 3614 8508
      3617 8503 3615 8500 3616 8497 3615 8496
      3615 8494 3595 8485
TIME...MOT...LOC 1749Z 252DEG 43KT 3602 8506

$$

TNC035-141-281800-
/O.CON.KOHX.TO.W.0009.000000T0000Z-140428T1800Z/
PUTNAM TN-CUMBERLAND TN-
1249 PM CDT MON APR 28 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 PM CDT FOR NORTHERN
CUMBERLAND AND EXTREME EAST CENTRAL PUTNAM COUNTIES...

AT 1246 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR CROSSVILLE...MOVING EAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  FAIRFIELD GLADE AND SLATE SPRINGS.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT MONDAY EVENING FOR
CENTRAL TENNESSEE.

&&

LAT...LON 3587 8515 3613 8523 3615 8517 3614 8508
      3617 8503 3615 8500 3616 8497 3615 8496
      3615 8494 3595 8485
TIME...MOT...LOC 1749Z 252DEG 43KT 3602 8506

$$

11

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 5:38 AM CDTSpecial Weather StatementOHXMacon22 min
Apr 28, 5:42 AM CDTSpecial Weather StatementOHXCheatham, Dickson, Robertson33 min
Apr 28, 6:08 AM CDTSpecial Weather StatementOHXDavidson, Macon, Sumner, Trousdale52 min
Apr 28, 6:40 AM CDTSevere Thunderstorm WarningOHXDavidson, Robertson, Sumner35 min
Apr 28, 7:02 AM CDTSpecial Weather StatementOHXWilson43 min
Apr 28, 7:34 AM CDTSpecial Weather StatementOHXWilliamson41 min
Apr 28, 7:53 AM CDTSpecial Weather StatementOHXClay37 min
Apr 28, 7:54 AM CDTFlash Flood WatchOHXBedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more35 hr
Apr 28, 8:44 AM CDTSpecial Weather StatementOHXHouston, Humphreys46 min
Apr 28, 8:59 AM CDTAreal Flood AdvisoryOHXHickman, Lewis, Maury, Perry, Wayne, Williamson6 hr
Apr 28, 9:21 AM CDTFlash Flood WarningOHXCheatham, Dickson, Hickman, Lewis, Perry, Wayne and 1 more5 hr
Apr 28, 10:38 AM CDTFlash Flood WarningOHXMaury, Williamson3 hr
Apr 28, 10:39 AM CDTFlash Flood WarningOHXMaury, Williamson3 hr
Apr 28, 11:21 AM CDTFlash Flood WarningOHXHumphreys4 hr
Apr 28, 11:22 AM CDTRiver Flood AdvisoryOHXDavidson3 hr
Apr 28, 11:31 AM CDTAreal Flood AdvisoryOHXDavidson, Williamson4 hr
Apr 28, 12:09 PM CDTSevere Thunderstorm WarningOHXDeKalb, Putnam, Van Buren, Warren, White36 min
Apr 28, 12:42 PM CDTRiver Flood AdvisoryOHXHickman18 hr
Apr 28, 12:58 PM CDTSevere Thunderstorm WarningOHXCumberland, Fentress32 min
Apr 28, 1:25 PM CDTAreal Flood WarningOHXMaury, Williamson3 hr
Apr 28, 2:44 PM CDTSpecial Weather StatementOHXCheatham, Dickson, Hickman, Humphreys, Montgomery, Perry46 min
Apr 28, 3:06 PM CDTSevere Thunderstorm WarningOHXCheatham, Dickson, Hickman, Humphreys, Montgomery39 min
Apr 28, 3:54 PM CDTSpecial Weather StatementOHXMaury36 min
Apr 28, 4:00 PM CDTSpecial Weather StatementOHXLewis, Perry, Wayne30 min
Apr 28, 4:43 PM CDTSpecial Weather StatementOHXLawrence32 min
Apr 28, 4:49 PM CDTRiver Flood WarningOHXCheatham32 hr
Apr 28, 5:41 PM CDTSpecial Weather StatementOHXCheatham, Robertson49 min
Apr 28, 5:54 PM CDTSevere Thunderstorm WarningOHXRobertson, Sumner36 min
Apr 28, 5:58 PM CDTRiver Flood AdvisoryOHXHickman3 hr
Apr 28, 5:58 PM CDTRiver Flood AdvisoryOHXPerry3 hr

Nearby

Tornado Warnings in Tennessee, 2014Every tornado warning in 2014Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.