Alert archive / Tennessee / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 21, NWS Memphis, TN

February 28, 2017Obion County, Weakley County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Feb 28, 2017, 10:17 PM CST for Obion County, Weakley County, Tennessee. It was in force for 28 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
Feb 28, 2017, 10:17 PM CST (04:17 UTC)
Expired
Feb 28, 2017, 10:45 PM CST
In force
28 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Obion County, TN, Weakley County, TN

The radar

The Paducah radar (KPAH), 70 km from the middle of the area, began a volume at 04:20 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
Feb 28, 10:36 PM CSTTORNADO4 Nne Latham, TNPOSSIBLE TORNADO IN THE AUSTIN SPRINGS AREA NEAR THE KENTUCKY STATE LINE.

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
Feb 28, 8:29 PM CSTTornado WatchSPC12 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 4.3 hours before the alert went out and 194 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 00:00Z on 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 66 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 00:00Z on 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 411 square meters per square second.1939587897117Sfc1 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
66 J/kg
Mixed-layer CIN
-155 J/kg
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
411 m²/s²
0-3 km storm-relative helicity
386 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

315 
WUUS54 KMEG 010417
SVRMEG
TNC131-183-010445-
/O.NEW.KMEG.SV.W.0021.170301T0417Z-170301T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
1017 PM CST TUE FEB 28 2017

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Northern Weakley County in west Tennessee...
  Northeastern Obion County in western Tennessee...

* Until 1045 PM CST

* At 1017 PM CST, a severe thunderstorm was located near South
  Fulton, or near Fulton, moving northeast at 50 mph.

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

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  Martin, Fulton, South Fulton, Latham, Brundige, Terrell, Gardner,
  Ruthville and Mc Connell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a storm shelter or
small interior room.

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

&&

A tornado watch remains in effect until 400 AM CST for western and
west Tennessee.

LAT...LON 3645 8852 3632 8893 3641 8895 3650 8894
      3650 8852
TIME...MOT...LOC 0417Z 236DEG 42KT 3647 8882 

HAIL...1.00IN
WIND...60MPH
 
$$
2 follow-up statements
056 
WWUS54 KMEG 010419
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1019 PM CST TUE FEB 28 2017

TNC131-183-010445-
/O.CON.KMEG.SV.W.0021.000000T0000Z-170301T0445Z/
Weakley TN-Obion TN-
1019 PM CST TUE FEB 28 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CST
FOR NORTHERN WEAKLEY AND NORTHEASTERN OBION COUNTIES...

At 1019 PM CST, a severe thunderstorm was located near South Fulton,
or near Fulton, moving northeast at 50 mph.

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

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Martin, Fulton, South Fulton, Latham, Brundige, Terrell, Gardner,
Ruthville and Mc Connell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
storm shelter or small central room in a sturdy structure.

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

&&

A tornado watch remains in effect until 400 AM CST for western and
west Tennessee.

LAT...LON 3645 8852 3632 8893 3641 8895 3650 8894
      3650 8852
TIME...MOT...LOC 0419Z 236DEG 42KT 3648 8879 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$
589 
WWUS54 KMEG 010436
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1036 PM CST TUE FEB 28 2017

TNC131-010446-
/O.CAN.KMEG.SV.W.0021.000000T0000Z-170301T0445Z/
Obion TN-
1036 PM CST TUE FEB 28 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OBION COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 400 AM CST for west
Tennessee.

LAT...LON 3645 8852 3641 8866 3650 8876 3650 8852
TIME...MOT...LOC 0436Z 236DEG 42KT 3659 8858 

$$

TNC183-010445-
/O.CON.KMEG.SV.W.0021.000000T0000Z-170301T0445Z/
Weakley TN-
1036 PM CST TUE FEB 28 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CST
FOR NORTHEASTERN WEAKLEY COUNTY...

At 1036 PM CST, a severe thunderstorm was located over Lynnville, or
10 miles south of Mayfield, moving northeast at 50 mph.

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

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
Brundige.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
storm shelter or small central room in a sturdy structure.

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

&&

A tornado watch remains in effect until 400 AM CST for west
Tennessee.

LAT...LON 3645 8852 3641 8866 3650 8876 3650 8852
TIME...MOT...LOC 0436Z 236DEG 42KT 3659 8858 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 10:22 PM CSTTornado WarningMEGObion, Weakley23 min
Mar 1, 4:24 AM CSTTornado WarningMEGDyer, Lauderdale, Tipton51 min
Mar 1, 4:36 AM CSTSevere Thunderstorm WarningMEGLake, Obion39 min
Mar 1, 4:41 AM CSTSevere Thunderstorm WarningMEGShelby34 min
Mar 1, 4:43 AM CSTTornado WarningMEGCrockett, Dyer, Gibson, Haywood, Lauderdale, Tipton47 min
Mar 1, 5:07 AM CSTSevere Thunderstorm WarningMEGCarroll, Crockett, Gibson, Haywood, Madison, Weakley38 min
Mar 1, 5:24 AM CSTSevere Thunderstorm WarningMEGBenton, Carroll, Decatur, Henderson, Henry51 min
Mar 1, 6:42 AM CSTSpecial Weather StatementMEGFayette33 min
Mar 1, 6:53 AM CSTSevere Thunderstorm WarningMEGFayette, Hardeman34 min
Mar 1, 6:54 AM CSTSevere Thunderstorm WarningMEGShelby22 min
Mar 1, 7:11 AM CSTSevere Thunderstorm WarningMEGFayette, Haywood, Tipton14 min
Mar 1, 7:20 AM CSTSevere Thunderstorm WarningMEGChester, McNairy28 min
Mar 1, 8:47 AM CSTSpecial Weather StatementMEGFayette13 min
Mar 1, 9:21 AM CSTSpecial Weather StatementMEGHardin24 min
Mar 1, 10:10 AM CSTSevere Thunderstorm WarningMEGHardin35 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2017Every severe thunderstorm warning 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.