Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 2, NWS Memphis, TN

January 17, 20124 counties in Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Jan 17, 2012, 10:45 AM CST for 4 counties in Tennessee. It was in force for 33 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: Jan 17, 2012, 10:45 AM CST (16:45 UTC)
Expired: Jan 17, 2012, 11:18 AM CST
In force: 33 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Carroll County, TN, Gibson County, TN, Henry County, TN, Weakley County, TN

What was reported inside it

Time	Report	Where	Remark
Jan 17, 10:50 AM CST	HAIL 1	3 E Greenfield, TN	QUARTER SIZED HAIL AND SMALLER ALONG WITH WIND GUSTS ESTIMATED AT 45 TO 50 MPH.

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

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 4.8 hours before the alert went out and 150 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: 608 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 587 m²/s²
0-3 km storm-relative helicity: 687 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

038 
WUUS54 KMEG 171645
SVRMEG
TNC017-053-079-183-171730-
/O.NEW.KMEG.SV.W.0002.120117T1645Z-120117T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1045 AM CST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CARROLL COUNTY IN NORTHWEST TENNESSEE...
  NORTHEASTERN GIBSON COUNTY IN NORTHWEST TENNESSEE...
  SOUTHERN HENRY COUNTY IN NORTHWEST TENNESSEE...
  SOUTHERN WEAKLEY COUNTY IN NORTHWEST TENNESSEE...

* UNTIL 1130 AM CST

* AT 1045 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  GREENFIELD...OR 12 MILES SOUTH OF MARTIN...AND MOVING EAST AT 60
  MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BRADFORD...
  BRUCETON...DRESDEN...GLEASON...GREENFIELD...MCKENZIE...PARIS...
  ROUTON...RUTHERFORD...SHARON...SPRINGVILLE AND VALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

&&

LAT...LON 3623 8809 3622 8813 3615 8817 3612 8820
      3601 8821 3610 8904 3633 8876 3631 8809
      3630 8808 3626 8808
TIME...MOT...LOC 1645Z 275DEG 53KT 3618 8871

$$

BORGHOFF

3 follow-up statements

983 
WWUS54 KMEG 171657
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1057 AM CST TUE JAN 17 2012

TNC017-053-079-183-171730-
/O.CON.KMEG.SV.W.0002.000000T0000Z-120117T1730Z/
WEAKLEY TN-CARROLL TN-GIBSON TN-HENRY TN-
1057 AM CST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM CST
FOR SOUTHERN HENRY...EAST CENTRAL GIBSON...NORTHERN CARROLL AND
SOUTHEASTERN WEAKLEY COUNTIES...

AT 1057 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
GLEASON...OR NEAR MCKENZIE...MOVING EAST AT 50 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BRUCETON...
GLEASON...HENRY...HOLLOW ROCK...MCKENZIE...PARIS...ROUTON...SPRING
CREEK...SPRINGVILLE...VALE...PILLOWVILLE...CROWLEY STORE...STAFFORDS
STORE AND MANSFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

&&

LAT...LON 3632 8846 3631 8809 3630 8808 3623 8809
      3622 8813 3615 8817 3612 8820 3601 8821
      3608 8885
TIME...MOT...LOC 1657Z 277DEG 46KT 3616 8856

$$

BORGHOFF

790 
WWUS54 KMEG 171711
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1111 AM CST TUE JAN 17 2012

TNC053-183-171721-
/O.CAN.KMEG.SV.W.0002.000000T0000Z-120117T1730Z/
WEAKLEY TN-GIBSON TN-
1111 AM CST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL GIBSON AND
SOUTHEASTERN WEAKLEY COUNTIES IS CANCELLED...

AT 1111 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA 
AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. 
THEREFORE...THE SEVERE THUNDERSTORM WARNING IS CANCELLED.

LAT...LON 3617 8842 3626 8832 3623 8809 3622 8813
      3615 8817 3612 8820 3601 8821 3605 8858
TIME...MOT...LOC 1711Z 278DEG 47KT 3613 8834

$$

TNC017-079-171730-
/O.CON.KMEG.SV.W.0002.000000T0000Z-120117T1730Z/
CARROLL TN-HENRY TN-
1111 AM CST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM CST
FOR SOUTH CENTRAL HENRY AND NORTHERN CARROLL COUNTIES...

AT 1111 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
MIXIE...OR 9 MILES EAST OF MCKENZIE...MOVING EAST AT 55 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BRUCETON...
HOLLOW ROCK...SPRING CREEK...VALE...MANSFIELD...VAN DYKE...
MANLEYVILLE...HICO...MIXIE...EPHESUS AND CREWS STORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

&&

LAT...LON 3617 8842 3626 8832 3623 8809 3622 8813
      3615 8817 3612 8820 3601 8821 3605 8858
TIME...MOT...LOC 1711Z 278DEG 47KT 3613 8834

$$

BORGHOFF

668 
WWUS54 KMEG 171718
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1118 AM CST TUE JAN 17 2012

TNC017-079-171726-
/O.CAN.KMEG.SV.W.0002.000000T0000Z-120117T1730Z/
CARROLL TN-HENRY TN-
1118 AM CST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL HENRY AND
NORTHERN CARROLL COUNTIES IS CANCELLED...

AT 1116 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE 
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
AREA...WEAKENED...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. THEREFORE...THE SEVERE THUNDERSTORM WARNING IS CANCELLED.

LAT...LON 3617 8842 3626 8832 3623 8809 3622 8813
      3615 8817 3612 8820 3601 8821 3605 8858
TIME...MOT...LOC 1716Z 278DEG 47KT 3612 8826

$$

BORGHOFF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 16, 11:34 PM CST	Wind Advisory	MEG	Lauderdale, Shelby, Tipton	12 hr
Jan 17, 9:57 AM CST	Severe Thunderstorm Warning	MEG	Dyer, Gibson, Lake, Obion, Weakley	33 min
Jan 17, 11:34 AM CST	Severe Thunderstorm Warning	MEG	Carroll, Decatur, Henderson, Madison	41 min
Jan 17, 12:56 PM CST	Special Weather Statement	MEG	Hardeman	34 min
Jan 17, 1:42 PM CST	Severe Thunderstorm Warning	MEG	Hardin, McNairy	24 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2012 Every severe thunderstorm warning 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.