Alert archive / Tennessee / Tornado Warnings in 2012

Tornado Warning 28, NWS Memphis, TN

March 2, 2012Hardin County, Tennessee

NWS Memphis, TN issued this tornado warning at Mar 2, 2012, 3:51 PM CST for Hardin County, Tennessee. It was in force for 24 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
Mar 2, 2012, 3:51 PM CST (21:51 UTC)
Expired
Mar 2, 2012, 4:15 PM CST
In force
24 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

County Hardin County, TN

The radar

The Columbus AFB radar (KGWX), 147 km from the middle of the area, began a volume at 21:53 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
Mar 2, 4:00 PM CSTTSTM WND DMGSavannah, TNA FEW SMALL TREES DOWN AND TREE LIMBS DOWN ALONG WITH SOME SHINGLE DAMAGE IN THE CRAVENS AREA OF SAVANNAH.
Mar 2, 4:00 PM CSTHAIL 1.253 Ese Savannah, TNHAIL FELL IN THE COMMUNITY OF OLIVET.
Mar 2, 4:08 PM CSTHAIL 1.257 E Savannah, TNHALF DOLLAR SIZE HAIL COVERING GROUND IN COMMUNITY OF OLIVE HILL.

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
Mar 2, 1:20 PM CSTTornado WatchSPC9 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.9 hours before the alert went out and 171 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, Little Rock, AR at 12:00Z on 2012-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1625 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, Little Rock, AR at 12:00Z on 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 291 square meters per square second.1939587897117136Sfc1 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
1625 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
645 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
291 m²/s²
0-3 km storm-relative helicity
304 m²/s²
Significant tornado parameter
3.2
Supercell composite
11.9

Open this sounding in Storm Lab

The text

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

693 
WFUS54 KMEG 022151
TORMEG
TNC071-022215-
/O.NEW.KMEG.TO.W.0028.120302T2151Z-120302T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
351 PM CST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL HARDIN COUNTY IN SOUTHWEST TENNESSEE...

* UNTIL 415 PM CST

* AT 352 PM CST...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  NEAR SAVANNAH...MOVING EAST AT 60 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SAVANNAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3507 8827 3524 8836 3535 8801 3531 8801
      3529 8797 3510 8798
TIME...MOT...LOC 2152Z 250DEG 54KT 3518 8823

$$
1 follow-up statement
530 
WWUS54 KMEG 022211
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
411 PM CST FRI MAR 2 2012

TNC071-022221-
/O.EXP.KMEG.TO.W.0028.000000T0000Z-120302T2215Z/
HARDIN TN-
411 PM CST FRI MAR 2 2012

...THE TORNADO WARNING FOR CENTRAL HARDIN COUNTY WILL EXPIRE AT 415
PM CST...

AT 411 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3507 8827 3524 8836 3535 8801 3531 8801
      3529 8797 3510 8798
TIME...MOT...LOC 2211Z 250DEG 54KT 3528 8790

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 2:50 AM CSTWind AdvisoryMEGCarroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more15 hr
Mar 2, 4:13 AM CSTSpecial Weather StatementMEGCrockett, Gibson32 min
Mar 2, 1:28 PM CSTRed Flag WarningMEGDyer, Lake, Lauderdale, Obion, Shelby, Tipton5 hr
Mar 2, 2:31 PM CSTSevere Thunderstorm WarningMEGFayette, Hardeman, McNairy44 min
Mar 2, 2:33 PM CSTTornado WarningMEGCarroll, Gibson, Henderson, Madison27 min
Mar 2, 2:43 PM CSTTornado WarningMEGFayette, Hardeman32 min
Mar 2, 3:02 PM CSTSevere Thunderstorm WarningMEGChester, Henderson, Madison28 min
Mar 2, 3:05 PM CSTSevere Thunderstorm WarningMEGHardeman, McNairy23 min
Mar 2, 3:13 PM CSTTornado WarningMEGHardeman, McNairy32 min
Mar 2, 3:39 PM CSTSevere Thunderstorm WarningMEGHardin, McNairy36 min
Mar 2, 3:51 PM CSTSevere Thunderstorm WarningMEGFayette, Hardeman, McNairy39 min
Mar 2, 4:08 PM CSTSevere Thunderstorm WarningMEGChester, Hardeman, McNairy37 min
Mar 2, 4:28 PM CSTSevere Thunderstorm WarningMEGChester, Decatur, Hardin, Henderson, McNairy32 min
Mar 2, 4:45 PM CSTSevere Thunderstorm WarningMEGHardeman, McNairy30 min
Mar 2, 5:45 PM CSTSevere Thunderstorm WarningMEGHardin30 min

Nearby

Tornado Warnings in Tennessee, 2012Every tornado warning in 2012Tornadoes in 2012

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.