Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 340, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jul 30, 2012, 9:10 PM CDT for Crockett County, Haywood County, Madison County, Tennessee. It was in force for 50 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
- Jul 30, 2012, 9:10 PM CDT (02:10 UTC)
- Expired
- Jul 30, 2012, 10:00 PM CDT
- In force
- 50 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Crockett County, TN, Haywood County, TN, Madison County, TN
The radar
The Memphis radar (KNQA), 91 km from the middle of the area, began a volume at 02:14 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 |
|---|---|---|---|
| Jul 30, 9:22 PM CDT | TSTM WND DMG | Bells, TN | MULTIPLE LARGE TREES DOWN ACROSS THE COUNTY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 2.2 hours before the alert went out and 132 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.
- Mixed-layer CAPE
- 69 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 3400 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
301
WUUS54 KMEG 310210
SVRMEG
TNC033-075-113-310300-
/O.NEW.KMEG.SV.W.0340.120731T0210Z-120731T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
910 PM CDT MON JUL 30 2012
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CROCKETT COUNTY IN NORTHWEST TENNESSEE...
NORTHERN HAYWOOD COUNTY IN SOUTHWEST TENNESSEE...
MADISON COUNTY IN SOUTHWEST TENNESSEE...
* UNTIL 1000 PM CDT
* AT 909 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED 7 MILES WEST OF ALAMO...OR 13 MILES NORTH OF
BROWNSVILLE...AND MOVING SOUTHEAST AT 40 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ADAIR...
ALAMO...BELLE EAGLE...BELLS...BEMIS...BROWNSVILLE...FAIRVIEW...
HOLLY GROVE...JACKSON AND MERCER.
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 3543 8892 3543 8904 3567 8938 3591 8925
3586 8909 3585 8902 3583 8899 3584 8897
3580 8892 3579 8881 3577 8871 3569 8869
TIME...MOT...LOC 0209Z 311DEG 35KT 3576 8920
$$
BORGHOFF3 follow-up statements
256
WWUS54 KMEG 310224
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
924 PM CDT MON JUL 30 2012
TNC033-075-113-310300-
/O.CON.KMEG.SV.W.0340.000000T0000Z-120731T0300Z/
CROCKETT TN-HAYWOOD TN-MADISON TN-
924 PM CDT MON JUL 30 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR MADISON...EAST CENTRAL HAYWOOD AND SOUTHEASTERN CROCKETT
COUNTIES...
AT 924 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM ALAMO TO BELLS TO ALLENS...MOVING SOUTHEAST AT 35 MPH.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ADAIR...
ALAMO...BELLS...BEMIS...FAIRVIEW...GADSDEN...HOLLY GROVE...JACKSON...
MERCER...ALLENS...OWL CITY...JONES...JOHNSONS GROVE AND BRIMS CORNER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS
ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3543 8892 3543 8904 3559 8926 3568 8919
3581 8920 3580 8892 3579 8881 3577 8871
3569 8869
TIME...MOT...LOC 0224Z 315DEG 31KT 3576 8912 3568 8908
3556 8915
$$
BORGHOFF640
WWUS54 KMEG 310237
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
937 PM CDT MON JUL 30 2012
TNC033-310247-
/O.CAN.KMEG.SV.W.0340.000000T0000Z-120731T0300Z/
CROCKETT TN-
937 PM CDT MON JUL 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CROCKETT COUNTY
IS CANCELLED...
AT 937 PM CDT...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 3543 8892 3543 8904 3554 8919 3563 8909
3567 8908 3569 8888 3565 8873
TIME...MOT...LOC 0237Z 318DEG 29KT 3568 8903 3560 8900
3550 8908
$$
TNC075-113-310300-
/O.CON.KMEG.SV.W.0340.000000T0000Z-120731T0300Z/
HAYWOOD TN-MADISON TN-
937 PM CDT MON JUL 30 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR SOUTHWESTERN MADISON AND EAST CENTRAL HAYWOOD COUNTIES...
AT 937 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 6 MILES NORTHWEST OF HUNTERSVILLE TO HUNTERSVILLE TO LEIGHTON...
MOVING SOUTHEAST AT 35 MPH.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BEMIS...
JACKSON...MERCER...LEIGHTON...DENMARK...NEELY...HUNTERSVILLE...
WESTOVER...MALESUS...EAST UNION AND UPTONVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY! LIGHTNING IS
ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR
THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3543 8892 3543 8904 3554 8919 3563 8909
3567 8908 3569 8888 3565 8873
TIME...MOT...LOC 0237Z 318DEG 29KT 3568 8903 3560 8900
3550 8908
$$
BORGHOFF502
WWUS54 KMEG 310258
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
958 PM CDT MON JUL 30 2012
TNC075-113-310304-
/O.EXP.KMEG.SV.W.0340.000000T0000Z-120731T0300Z/
HAYWOOD TN-MADISON TN-
958 PM CDT MON JUL 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MADISON AND EAST
CENTRAL HAYWOOD COUNTIES WILL EXPIRE AT 1000 PM CDT...
AT 957 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA
AND WEAKENED. THEREFORE...THE SEVERE THUNDERSTORM WARNING WILL BE
ALLOWED TO EXPIRE.
LAT...LON 3543 8892 3543 8904 3554 8919 3563 8909
3567 8908 3569 8888 3565 8873
TIME...MOT...LOC 0254Z 318DEG 29KT 3558 8892 3550 8889
3540 8897
$$
BORGHOFFThe office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 8:03 PM CDT | Severe Thunderstorm Warning | MEG | Dyer, Lake, Lauderdale | 42 min |
| Jul 30, 8:50 PM CDT | Special Weather Statement | MEG | Crockett | 40 min |
| Jul 30, 9:00 PM CDT | Heat Advisory | MEG | Shelby, Tipton | 67 hr |
| Jul 30, 10:15 PM CDT | Special Weather Statement | MEG | McNairy | 30 min |
| Jul 30, 10:43 PM CDT | Severe Thunderstorm Warning | MEG | Hardin, McNairy | 47 min |
| Jul 30, 11:29 PM CDT | Severe Thunderstorm Warning | MEG | Dyer | 26 min |
| Jul 31, 12:16 AM CDT | Special Weather Statement | MEG | Crockett, Haywood, Madison | 44 min |
| Jul 31, 2:28 AM CDT | Heat Advisory | MEG | Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 12 more | 61 hr |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2012Every 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; radar from the NEXRAD Level II archive.