Alert archive / Tennessee / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 21, NWS Nashville, TN

May 1, 2019Wayne County, Tennessee

NWS Nashville, TN issued this severe thunderstorm warning at May 1, 2019, 4:50 PM CDT for Wayne County, Tennessee. It was in force for 40 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
May 1, 2019, 4:50 PM CDT (21:50 UTC)
Expired
May 1, 2019, 5:30 PM CDT
In force
40 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Wayne County, TN

The radar

The Columbus AFB radar (KGWX), 139 km from the middle of the area, began a volume at 21:52 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 162 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 2019-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 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 2019-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
25 J/kg
Mixed-layer CIN
-168 J/kg
Mixed-layer LCL
1151 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

467 
WUUS54 KOHX 012150
SVROHX
TNC181-012230-
/O.NEW.KOHX.SV.W.0021.190501T2150Z-190501T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Nashville TN
450 PM CDT Wed May 1 2019

The National Weather Service in Nashville has issued a

* Severe Thunderstorm Warning for...
  Southern Wayne County in Middle Tennessee...

* Until 530 PM CDT.

* At 449 PM CDT, a severe thunderstorm was located near Walnut Grove,
  or 14 miles northeast of J P Coleman State Park, moving northeast
  at 30 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Collinwood, Cypress Inn and Lutts. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3501 8798 3501 8799 3515 8798 3534 8764
      3507 8760 3500 8778
TIME...MOT...LOC 2149Z 244DEG 25KT 3505 8796 

HAIL...0.75IN
WIND...60MPH
 
$$

13
1 follow-up statement
405 
WWUS54 KOHX 012213
SVSOHX

Severe Weather Statement
National Weather Service Nashville TN
513 PM CDT Wed May 1 2019

TNC181-012230-
/O.CON.KOHX.SV.W.0021.000000T0000Z-190501T2230Z/
Wayne TN-
513 PM CDT Wed May 1 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHEASTERN WAYNE COUNTY...

At 513 PM CDT, a severe thunderstorm was located near Collinwood, or
13 miles south of Waynesboro, moving northeast at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Collinwood and Cypress Inn. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3500 8786 3520 8788 3534 8764 3507 8760
      3500 8778
TIME...MOT...LOC 2213Z 244DEG 25KT 3512 8777 

HAIL...0.75IN
WIND...60MPH
 
$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 2:54 PM CDTSpecial Weather StatementOHXHouston, Humphreys36 min
May 1, 3:32 PM CDTSpecial Weather StatementOHXHouston28 min
May 1, 3:35 PM CDTSpecial Weather StatementOHXHumphreys, Perry40 min
May 1, 4:11 PM CDTSpecial Weather StatementOHXHumphreys, Perry49 min
May 1, 4:33 PM CDTSpecial Weather StatementOHXLewis, Wayne42 min
May 1, 4:39 PM CDTSpecial Weather StatementOHXDickson, Hickman51 min
May 1, 4:52 PM CDTSevere Thunderstorm WarningOHXLewis, Perry, Wayne23 min
May 1, 4:58 PM CDTSevere Thunderstorm WarningOHXDickson, Hickman32 min
May 1, 5:19 PM CDTSpecial Weather StatementOHXLewis, Maury41 min
May 1, 5:22 PM CDTSpecial Weather StatementOHXCheatham, Davidson, Williamson38 min
May 1, 5:38 PM CDTSpecial Weather StatementOHXLawrence52 min
May 1, 6:00 PM CDTSpecial Weather StatementOHXMaury45 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2019Every severe thunderstorm warning in 2019

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.