Alert archive / Tennessee / Tornado Warnings in 2017

Tornado Warning 25, NWS Nashville, TN

April 22, 2017Giles County, Tennessee

NWS Nashville, TN issued this tornado warning at Apr 22, 2017, 4:11 PM CDT for Giles County, Tennessee. It was in force for 34 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 22, 2017, 4:11 PM CDT (21:11 UTC)
Expired: Apr 22, 2017, 4:45 PM CDT
In force: 34 min
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Tornado: Observed
Hail: 1.0 in

County Giles County, TN

The radar

The Northeast Alabama radar (KHTX), 98 km from the middle of the area, began a volume at 21:15 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

Time	Report	Where	Remark
Apr 22, 4:17 PM CDT	TSTM WND DMG	7 E Minor Hill, TN	TWO TREES BLOWN OVER...INCLUDING ONE LARGE ROOTBALL. TIME ESTIMATED BASED ON RADAR.
Apr 22, 4:25 PM CDT	HAIL 1	3 N Elkton, TN	PHOTOS SHOWED HAIL COVERED I-65 FROM MILE MARKER 7 TO MILE MARKER 9
Apr 22, 4:25 PM CDT	HAIL 1.75	Elkton, TN	RELAYED VIA WHNT IN HUNTSVILLE

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.

Issued	Product	Office	Lasted
Apr 22, 3:08 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.2 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-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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 878 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

436 
WFUS54 KOHX 222111
TOROHX
TNC055-222145-
/O.NEW.KOHX.TO.W.0025.170422T2111Z-170422T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Nashville TN
411 PM CDT SAT APR 22 2017

The National Weather Service in Nashville has issued a

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

* Until 445 PM CDT
    
* At 411 PM CDT, a tornado producing storm was located near Pulaski,
  moving east at 40 mph.

  HAZARD...Damaging tornado and quarter size hail. 

  SOURCE...Radar confirmed tornado. 

  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
  southern Giles County, including the following locations: Ardmore,
  Goodspring, Prospect, Elkton, Frankewing and Minor Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3499 8705 3502 8722 3508 8722 3510 8721
      3512 8722 3512 8720 3513 8720 3514 8721
      3516 8720 3517 8721 3524 8720 3524 8683
      3499 8684
TIME...MOT...LOC 2111Z 265DEG 35KT 3510 8702 

TORNADO...OBSERVED
HAIL...1.00IN

$$

07

1 follow-up statement

342 
WWUS54 KOHX 222132
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
432 PM CDT SAT APR 22 2017

TNC055-222145-
/O.CON.KOHX.TO.W.0025.000000T0000Z-170422T2145Z/
Giles TN-
432 PM CDT SAT APR 22 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR
SOUTHEASTERN GILES COUNTY...
        
At 432 PM CDT, a confirmed tornado was located 9 miles northeast of
Ardmore, or 11 miles west of Fayetteville, moving east at 40 mph.

HAZARD...Damaging tornado and quarter size hail. 

SOURCE...Radar confirmed tornado. 

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...
Ardmore, Elkton, Prospect and Frankewing. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3500 8694 3501 8701 3524 8695 3524 8683
      3499 8684
TIME...MOT...LOC 2132Z 265DEG 35KT 3512 8677 

TORNADO...OBSERVED
HAIL...1.00IN

$$

07

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 21, 8:20 PM CDT	Flash Flood Watch	OHX	Bedford, Cannon, Cheatham, Clay, Coffee, Cumberland and 32 more	31 hr
Apr 22, 2:30 AM CDT	Areal Flood Advisory	OHX	Hickman, Humphreys, Perry	3 hr
Apr 22, 3:54 AM CDT	Areal Flood Advisory	OHX	Cheatham, Dickson, Hickman, Williamson	3 hr
Apr 22, 4:09 AM CDT	Areal Flood Advisory	OHX	Cheatham, Davidson, Williamson	4 hr
Apr 22, 5:06 AM CDT	Areal Flood Advisory	OHX	Hickman, Lewis, Maury, Williamson	114 min
Apr 22, 5:19 AM CDT	River Flood Advisory	OHX	Davidson	12 hr
Apr 22, 5:26 AM CDT	Areal Flood Advisory	OHX	Hickman, Humphreys, Perry	2 hr
Apr 22, 5:36 AM CDT	River Flood Advisory	OHX	Davidson	5 hr
Apr 22, 5:58 AM CDT	Areal Flood Advisory	OHX	Davidson, Rutherford, Williamson, Wilson	2 hr
Apr 22, 6:30 AM CDT	River Flood Advisory	OHX	Davidson	6 hr
Apr 22, 6:48 AM CDT	Areal Flood Advisory	OHX	Cumberland, Fentress, Overton, Putnam, White	117 min
Apr 22, 6:52 AM CDT	River Flood Advisory	OHX	Davidson	10 hr
Apr 22, 7:15 AM CDT	River Flood Warning	OHX	Davidson	24 hr
Apr 22, 8:35 AM CDT	River Flood Warning	OHX	Hickman	4 days
Apr 22, 8:49 AM CDT	River Flood Advisory	OHX	Maury	12 hr
Apr 22, 9:01 AM CDT	Areal Flood Advisory	OHX	Davidson, Williamson	119 min
Apr 22, 9:51 AM CDT	Areal Flood Advisory	OHX	Cumberland, Fentress	3 hr
Apr 22, 10:09 AM CDT	River Flood Warning	OHX	Cheatham	37 hr
Apr 22, 10:17 AM CDT	River Flood Advisory	OHX	Hickman	18 hr
Apr 22, 10:17 AM CDT	River Flood Advisory	OHX	Bedford	18 hr
Apr 22, 10:22 AM CDT	River Flood Advisory	OHX	Davidson	10 hr
Apr 22, 10:22 AM CDT	River Flood Advisory	OHX	Davidson	7 hr
Apr 22, 10:29 AM CDT	River Flood Advisory	OHX	Davidson, Williamson	40 hr
Apr 22, 10:29 AM CDT	River Flood Advisory	OHX	Williamson	26 hr
Apr 22, 10:29 AM CDT	River Flood Advisory	OHX	Williamson	26 hr
Apr 22, 12:58 PM CDT	River Flood Advisory	OHX	Perry	9 hr
Apr 22, 1:53 PM CDT	Areal Flood Advisory	OHX	Davidson, Rutherford, Sumner, Williamson, Wilson	3 hr
Apr 22, 2:05 PM CDT	Flash Flood Warning	OHX	Hickman, Perry	3 hr
Apr 22, 2:40 PM CDT	Flash Flood Warning	OHX	Wilson	3 hr
Apr 22, 2:51 PM CDT	Special Weather Statement	OHX	Wayne	39 min
Apr 22, 3:01 PM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Lewis, Wayne	44 min
Apr 22, 3:15 PM CDT	Flash Flood Warning	OHX	Giles, Hickman, Lawrence, Lewis, Marshall, Maury and 1 more	3 hr
Apr 22, 3:21 PM CDT	Tornado Warning	OHX	Lawrence, Wayne	24 min
Apr 22, 3:40 PM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence	35 min
Apr 22, 3:48 PM CDT	Flash Flood Warning	OHX	Hickman, Williamson	3 hr
Apr 22, 3:52 PM CDT	Tornado Warning	OHX	Giles, Lawrence	23 min
Apr 22, 4:25 PM CDT	Special Weather Statement	OHX	Davidson	50 min
Apr 22, 4:43 PM CDT	Special Weather Statement	OHX	Grundy	47 min
Apr 22, 6:02 PM CDT	Areal Flood Advisory	OHX	Coffee, Cumberland, DeKalb, Fentress, Grundy, Overton and 5 more	118 min

Nearby

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