Alert archive / Tennessee / Tornado Warnings in 2017

Tornado Warning 18, NWS Nashville, TN

April 5, 2017Coffee County, Tennessee

NWS Nashville, TN issued this tornado warning at Apr 5, 2017, 4:18 PM CDT for Coffee County, Tennessee. It was in force for 27 min. 3 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 5, 2017, 4:18 PM CDT (21:18 UTC)
Expired
Apr 5, 2017, 4:45 PM CDT
In force
27 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

County Coffee County, TN

The radar

The Northeast Alabama radar (KHTX), 50 km from the middle of the area, began a volume at 21:19 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 5, 4:21 PM CDTHAIL 0.882 N Manchester, TN
Apr 5, 4:26 PM CDTHAIL 13 N Manchester, TN
Apr 5, 4:34 PM CDTHAIL 14 Ene Manchester, TNPICTURE OF VARIOUS HAIL SIZES RANGING FROM PENNY TO QUARTER SIZE

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 5, 1:50 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.3 hours before the alert went out and 94 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 2017-04-05Temperature 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°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 2017-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 square meters per square second.1939587897Sfc1 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
1902 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

565 
WFUS54 KOHX 052118
TOROHX
TNC031-052145-
/O.NEW.KOHX.TO.W.0018.170405T2118Z-170405T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Nashville TN
418 PM CDT WED APR 5 2017

The National Weather Service in Nashville has issued a

* Tornado Warning for...
  Southern Coffee County in Middle Tennessee...

* Until 445 PM CDT
    
* At 417 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Tullahoma, or 9 miles southwest of Manchester,
  moving northeast at 35 mph.

  HAZARD...Tornado and golf ball size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Manchester around 435 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Hillsboro, Summitville and Arnold AFB.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3534 8603 3536 8615 3535 8616 3536 8618
      3534 8620 3535 8621 3535 8624 3536 8625
      3540 8626 3541 8625 3541 8626 3559 8595
      3542 8588 3538 8589 3538 8587 3533 8602
TIME...MOT...LOC 2117Z 244DEG 28KT 3538 8621 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

10
3 follow-up statements
564 
WWUS54 KOHX 052126
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
426 PM CDT WED APR 5 2017

TNC031-052145-
/O.CON.KOHX.TO.W.0018.000000T0000Z-170405T2145Z/
Coffee TN-
426 PM CDT WED APR 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR CENTRAL
COFFEE COUNTY...
    
At 426 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Manchester, moving northeast at 40 mph.

HAZARD...Tornado and golf ball size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This tornadic thunderstorm will remain over mainly rural areas of
central Coffee County, including the following locations: Hillsboro
and Summitville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3538 8617 3543 8623 3559 8595 3542 8588
TIME...MOT...LOC 2126Z 241DEG 36KT 3543 8610 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

10
886 
WWUS54 KOHX 052134
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
434 PM CDT WED APR 5 2017

TNC031-052145-
/O.CON.KOHX.TO.W.0018.000000T0000Z-170405T2145Z/
Coffee TN-
434 PM CDT WED APR 5 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR EAST
CENTRAL COFFEE COUNTY...
    
At 434 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Manchester, moving northeast at 35 mph.

HAZARD...Tornado and golf ball size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations impacted include...
Manchester and Summitville. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3541 8609 3548 8612 3559 8595 3542 8588
TIME...MOT...LOC 2134Z 245DEG 31KT 3546 8601 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

10
510 
WWUS54 KOHX 052142
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
442 PM CDT WED APR 5 2017

TNC031-052151-
/O.EXP.KOHX.TO.W.0018.000000T0000Z-170405T2145Z/
Coffee TN-
442 PM CDT WED APR 5 2017

...THE TORNADO WARNING FOR EAST CENTRAL COFFEE COUNTY WILL EXPIRE AT
445 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A tornado watch remains in effect until 900 PM CDT for Middle
Tennessee.

Remember, a Severe Thunderstorm Warning still remains in effect for
central Coffee County.

LAT...LON 3541 8609 3548 8612 3559 8595 3542 8588
TIME...MOT...LOC 2141Z 244DEG 28KT 3548 8596 

$$

10

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 3:39 PM CDTSpecial Weather StatementOHXSumner36 min
Apr 5, 3:51 PM CDTSevere Thunderstorm WarningOHXBedford, Coffee39 min
Apr 5, 3:54 PM CDTSpecial Weather StatementOHXRobertson21 min
Apr 5, 4:02 PM CDTWind AdvisoryOHXBedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more29 hr
Apr 5, 4:10 PM CDTSevere Thunderstorm WarningOHXBedford, Cannon, Coffee, Rutherford, Wilson35 min
Apr 5, 4:15 PM CDTSpecial Weather StatementOHXSumner30 min
Apr 5, 4:27 PM CDTSpecial Weather StatementOHXSmith33 min
Apr 5, 4:29 PM CDTSpecial Weather StatementOHXSmith31 min
Apr 5, 4:29 PM CDTSevere Thunderstorm WarningOHXCoffee, Warren46 min
Apr 5, 4:36 PM CDTSevere Thunderstorm WarningOHXJackson, Macon, Smith24 min
Apr 5, 4:47 PM CDTSpecial Weather StatementOHXTrousdale28 min
Apr 5, 4:51 PM CDTSevere Thunderstorm WarningOHXClay, Jackson, Macon, Smith24 min
Apr 5, 4:54 PM CDTTornado WarningOHXGrundy, Van Buren, Warren36 min
Apr 5, 4:59 PM CDTSevere Thunderstorm WarningOHXCoffee, Grundy, Warren31 min
Apr 5, 5:06 PM CDTSpecial Weather StatementOHXPutnam24 min
Apr 5, 5:10 PM CDTTornado WarningOHXPutnam21 min
Apr 5, 5:12 PM CDTSevere Thunderstorm WarningOHXClay, Jackson, Macon33 min
Apr 5, 5:14 PM CDTSpecial Weather StatementOHXMacon, Smith31 min
Apr 5, 5:22 PM CDTSevere Thunderstorm WarningOHXCannon, Coffee, DeKalb, Warren, White23 min
Apr 5, 5:26 PM CDTTornado WarningOHXOverton, Putnam18 min
Apr 5, 5:38 PM CDTSpecial Weather StatementOHXDeKalb37 min
Apr 5, 5:41 PM CDTSpecial Weather StatementOHXGrundy, Van Buren49 min
Apr 5, 5:46 PM CDTSpecial Weather StatementOHXCannon, DeKalb44 min
Apr 5, 5:55 PM CDTSpecial Weather StatementOHXGrundy35 min
Apr 5, 5:58 PM CDTSpecial Weather StatementOHXOverton32 min
Apr 5, 6:08 PM CDTSpecial Weather StatementOHXFentress, Overton, Pickett, Putnam37 min
Apr 5, 6:12 PM CDTSevere Thunderstorm WarningOHXClay, DeKalb, Jackson, Overton, Putnam33 min
Apr 5, 6:42 PM CDTSpecial Weather StatementOHXOverton48 min
Apr 5, 6:58 PM CDTSpecial Weather StatementOHXWhite32 min

Nearby

Tornado Warnings in Tennessee, 2017Every tornado warning in 2017Tornadoes in 2017

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.