Alert archive / Tennessee / Special Weather Statements in 2012

Special Weather Statement, NWS Memphis, TN

May 6, 2012Carroll County, Tennessee

NWS Memphis, TN issued this special weather statement at May 6, 2012, 4:18 AM CDT for Carroll County, Tennessee. It was in force for 42 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 6, 2012, 4:18 AM CDT (09:18 UTC)
Expired: May 6, 2012, 5:00 AM CDT
In force: 42 min
Issued by: NWS Memphis, TN

County Carroll County, TN

The radar

The Paducah radar (KPAH), 110 km from the middle of the area, began a volume at 09:19 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 00:00Z, 9.3 hours before the alert went out and 178 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: 1125 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 1540 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 107 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Memphis, TN wrote its last area forecast discussion before this special weather statement went out at May 6, 4:12 AM CDT, 6 minutes earlier.

Area forecast discussion, May 6, 4:12 AM CDT, 6 minutes before

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Hazardous weather outlook, May 6, 3:30 AM CDT, 48 minutes before

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In the hours before

Special weather statement, May 6, 12:23 AM CDT, 3 hours 55 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1223 AM CDT SUN MAY 6 2012

TNZ003-004-021-060600-
WEAKLEY TN-CARROLL TN-HENRY TN-
1223 AM CDT SUN MAY 6 2012

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 100 AM CDT FOR...

  NORTH CENTRAL CARROLL COUNTY IN NORTHWEST TENNESSEE...
  SOUTHWESTERN HENRY COUNTY IN NORTHWEST TENNESSEE...
  SOUTHEASTERN WEAKLEY COUNTY IN NORTHWEST TENNESSEE...

A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER WAS LOCATED
OVER GLEASON AT 1223 AM CDT...MOVING SOUTHEAST AT 10 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THIS THUNDERSTORM.

PEOPLE IN CARROLL...HENRY AND WEAKLEY COUNTIES...INCLUDING LOCATIONS
NEAR MCKENZIE...SHOULD MONITOR THIS STORM CLOSELY.

&&

LAT...LON 3612 8840 3601 8864 3625 8878 3634 8859
TIME...MOT...LOC 0523Z 330DEG 8KT 3622 8863

Local storm report, May 6, 12:42 AM CDT, 3 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
1242 AM CDT SUN MAY 06 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1222 AM     HAIL             GLEASON                 36.22N 88.61W
05/06/2012  E1.25 INCH       WEAKLEY            TN   PUBLIC

            DIME TO HALF DOLLAR SIZE HAIL FELL IN GLEASON.

&&

KRM

Special weather statement, May 6, 12:43 AM CDT, 3 hours 35 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1243 AM CDT SUN MAY 6 2012

TNZ004-060615-
HENRY TN-
1243 AM CDT SUN MAY 6 2012

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 115 AM CDT FOR...

  NORTHEASTERN HENRY COUNTY IN NORTHWEST TENNESSEE...

A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER WAS LOCATED
OVER PARIS LANDING STATE PARK AT 1243 AM CDT...MOVING EAST AT 20 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THIS THUNDERSTORM.

PEOPLE IN HENRY COUNTY...INCLUDING LOCATIONS NEAR PARIS LANDING STATE
PARK...SHOULD MONITOR THIS STORM CLOSELY.

&&

LAT...LON 3635 8809 3633 8809 3632 8810 3635 8822
      3651 8816 3651 8805 3647 8804 3644 8805
      3640 8801 3636 8799
TIME...MOT...LOC 0543Z 287DEG 18KT 3641 8808

Special weather statement, May 6, 2:08 AM CDT, 2 hours 10 minutes before

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Special weather statement, May 6, 3:02 AM CDT, 1 hour 16 minutes before

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Special weather statement, May 6, 4:18 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 2:48 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Yalobusha	27 min
May 6, 3:12 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Yalobusha	33 min
May 6, 3:53 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Pontotoc	37 min
May 6, 4:35 PM CDT	Special Weather Statement	MEG	Chickasaw	25 min
May 6, 5:30 PM CDT	Special Weather Statement	MEG	Monroe	30 min
May 6, 6:11 PM CDT	Special Weather Statement	MEG	Monroe	34 min
May 5, 11:03 PM CDT	Special Weather Statement	MEG	Weakley	42 min
May 5, 11:28 PM CDT	Severe Thunderstorm Warning	MEG	Henry, Weakley	47 min
May 6, 12:23 AM CDT	Special Weather Statement	MEG	Weakley	37 min
May 6, 12:43 AM CDT	Special Weather Statement	MEG	Henry	32 min
May 6, 12:45 AM CDT	Severe Thunderstorm Warning	MEG	Carroll, Henderson, Henry, Weakley	45 min
May 6, 2:08 AM CDT	Special Weather Statement	MEG	Decatur	37 min
May 6, 3:02 AM CDT	Special Weather Statement	MEG	Carroll	43 min
May 6, 4:02 AM CDT	Flash Flood Warning	MEG	Carroll, Weakley	4 hr
May 6, 6:58 PM CDT	Special Weather Statement	MEG	Mississippi	32 min
May 6, 5:18 PM CDT	Special Weather Statement	MEG	Pemiscot	27 min
May 6, 5:55 PM CDT	Special Weather Statement	MEG	Pemiscot	35 min
May 6, 6:31 PM CDT	Special Weather Statement	MEG	Dunklin	29 min

Nearby

Special Weather Statements in Tennessee, 2012 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.