Alert archive / Tennessee / Special Weather Statements in 2012

Special Weather Statement, NWS Memphis, TN

September 2, 2012Crockett County, Haywood County, Tennessee

NWS Memphis, TN issued this special weather statement at Sep 2, 2012, 12:13 AM CDT for Crockett County, Haywood County, Tennessee. It was in force for 32 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: Sep 2, 2012, 12:13 AM CDT (05:13 UTC)
Expired: Sep 2, 2012, 12:45 AM CDT
In force: 32 min
Issued by: NWS Memphis, TN

Counties Crockett County, TN, Haywood County, TN

The radar

The Memphis radar (KNQA), 49 km from the middle of the area, began a volume at 05:14 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.

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 5.2 hours before the alert went out and 93 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: 2103 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1167 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 121 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 7.0

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 Sep 1, 11:40 PM CDT, 33 minutes earlier.

Area forecast discussion, Sep 1, 11:40 PM CDT, 33 minutes before

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Hazardous weather outlook, Sep 1, 11:38 PM CDT, 35 minutes before

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In the hours before

Special weather statement, Sep 1, 10:39 PM CDT, 1 hour 34 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1039 PM CDT SAT SEP 1 2012

ARZ026-027-020430-
CRAIGHEAD AR-POINSETT AR-
1039 PM CDT SAT SEP 1 2012

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 1130 PM CDT FOR...

  SOUTHEASTERN CRAIGHEAD COUNTY IN EASTERN ARKANSAS...
  POINSETT COUNTY IN EASTERN ARKANSAS...

A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH WAS LOCATED 4
MILES EAST OF WALDENBURG AT 1039 PM CDT...MOVING EAST AT 45 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL
OCCUR WITH THIS  THUNDERSTORM.

PEOPLE IN CRAIGHEAD AND POINSETT COUNTIES...INCLUDING LOCATIONS NEAR
BAY...CARAWAY...HARRISBURG...LEPANTO...MARKED TREE...TRUMANN AND
TYRONZA...SHOULD MONITOR THIS STORM CLOSELY.

&&

LAT...LON 3567 9094 3579 9029 3544 9029 3544 9061
      3545 9061 3544 9095
TIME...MOT...LOC 0339Z 260DEG 37KT 3556 9082

Special weather statement, Sep 1, 10:41 PM CDT, 1 hour 32 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1041 PM CDT SAT SEP 1 2012

TNZ053>055-091-092-020430-
CHESTER TN-DECATUR TN-HARDIN TN-HENDERSON TN-MCNAIRY TN-
1041 PM CDT SAT SEP 1 2012

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 1130 PM CDT FOR...

  SOUTHERN DECATUR COUNTY IN TENNESSEE...
  EAST CENTRAL CHESTER COUNTY IN SOUTHWEST TENNESSEE...
  NORTHERN HARDIN COUNTY IN SOUTHWEST TENNESSEE...
  SOUTH CENTRAL HENDERSON COUNTY IN SOUTHWEST TENNESSEE...
  NORTHEASTERN MCNAIRY COUNTY IN SOUTHWEST TENNESSEE...

A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH WAS LOCATED
OVER MORRIS CHAPEL AT 1041 PM CDT...MOVING EAST AT 35 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL
OCCUR WITH THIS  THUNDERSTORM.

PEOPLE IN CHESTER...DECATUR...HARDIN...HENDERSON AND MCNAIRY
COUNTIES...INCLUDING LOCATIONS NEAR SAVANNAH...SHOULD MONITOR THIS
STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT ALSO INCLUDES PINE
LAKE.

&&

LAT...LON 3538 8799 3538 8801 3536 8800 3531 8801
      3529 8797 3514 8798 3512 8851 3546 8849
      3555 8798 3550 8797 3546 8803 3544 8804
      3541 8796
TIME...MOT...LOC 0341Z 259DEG 30KT 3530 8830

Special weather statement, Sep 1, 11:07 PM CDT, 1 hour 6 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1107 PM CDT SAT SEP 1 2012

MSZ004-005-009-014-020445-
UNION MS-TIPPAH MS-PRENTISS MS-ALCORN MS-
1107 PM CDT SAT SEP 1 2012

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 1145 PM CDT FOR...

  ALCORN COUNTY IN NORTHEAST MISSISSIPPI...
  WESTERN PRENTISS COUNTY IN NORTHEAST MISSISSIPPI...
  EASTERN TIPPAH COUNTY IN NORTHEAST MISSISSIPPI...
  NORTHEASTERN UNION COUNTY IN NORTHEAST MISSISSIPPI...

A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH WAS LOCATED 10
MILES SOUTHWEST OF THEO AT 1107 PM CDT...MOVING EAST AT 45 MPH.

VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING WILL
OCCUR WITH THIS  THUNDERSTORM.

PEOPLE IN ALCORN...PRENTISS...TIPPAH AND UNION COUNTIES...INCLUDING
LOCATIONS NEAR BOONEVILLE AND CORINTH...SHOULD MONITOR THIS STORM
CLOSELY.

&&

LAT...LON 3451 8850 3451 8894 3500 8890 3500 8837
      3497 8837
TIME...MOT...LOC 0407Z 262DEG 40KT 3482 8875

Special weather statement, Sep 1, 11:45 PM CDT, 28 minutes before

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Special weather statement, Sep 1, 11:58 PM CDT, 15 minutes before

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Special weather statement, Sep 2, 12:13 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
Sep 1, 8:04 PM CDT	Special Weather Statement	MEG	Tunica	56 min
Sep 1, 8:07 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Marshall, Tunica	38 min
Sep 1, 8:21 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Quitman, Tate, Tunica	54 min
Sep 1, 8:34 PM CDT	Areal Flood Advisory	MEG	DeSoto	86 min
Sep 1, 8:52 PM CDT	Severe Thunderstorm Warning	MEG	Benton, DeSoto, Marshall	38 min
Sep 1, 9:03 PM CDT	Special Weather Statement	MEG	Panola, Quitman	42 min
Sep 1, 9:17 PM CDT	Special Weather Statement	MEG	DeSoto, Marshall, Tate	28 min
Sep 1, 9:30 PM CDT	Special Weather Statement	MEG	Coahoma	30 min
Sep 1, 9:44 PM CDT	Special Weather Statement	MEG	Marshall, Tate	46 min
Sep 1, 9:46 PM CDT	Special Weather Statement	MEG	Panola, Quitman	29 min
Sep 1, 10:01 PM CDT	Tornado Warning	MEG	Benton, Marshall	22 min
Sep 1, 10:04 PM CDT	Special Weather Statement	MEG	Coahoma	41 min
Sep 1, 10:17 PM CDT	Special Weather Statement	MEG	Benton, Marshall	43 min
Sep 1, 11:07 PM CDT	Special Weather Statement	MEG	Alcorn, Prentiss, Tippah	38 min
Sep 2, 5:11 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Tishomingo	19 min
Sep 2, 5:36 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Pontotoc, Union	39 min
Sep 2, 6:03 PM CDT	Severe Thunderstorm Warning	MEG	Itawamba	27 min
Sep 2, 6:34 PM CDT	Tornado Warning	MEG	Itawamba	18 min
Sep 1, 7:01 PM CDT	Severe Thunderstorm Warning	MEG	Shelby, Tipton	44 min
Sep 1, 7:10 PM CDT	Severe Thunderstorm Warning	MEG	Haywood, Lauderdale, Tipton	20 min
Sep 1, 7:29 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Haywood, Shelby, Tipton	31 min
Sep 1, 7:33 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Haywood, Lauderdale	27 min
Sep 1, 7:52 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Haywood, Tipton	23 min
Sep 1, 7:56 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Dyer, Gibson, Haywood, Madison	34 min
Sep 1, 8:07 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Crockett, Fayette, Hardeman, Haywood, Madison	23 min
Sep 1, 8:15 PM CDT	Special Weather Statement	MEG	Weakley	30 min
Sep 1, 8:22 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Gibson, Henry, Weakley	53 min
Sep 1, 8:31 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Chester, Crockett, Gibson, Hardeman, Haywood and 2 more	44 min
Sep 1, 8:45 PM CDT	Special Weather Statement	MEG	Fayette	30 min
Sep 1, 9:04 PM CDT	Severe Thunderstorm Warning	MEG	Carroll, Chester, Decatur, Henderson, Henry, Madison and 1 more	41 min
Sep 1, 9:23 PM CDT	Severe Thunderstorm Warning	MEG	Chester, Fayette, Hardeman, McNairy, Madison	52 min
Sep 1, 9:45 PM CDT	Special Weather Statement	MEG	Fayette, Shelby	30 min
Sep 1, 9:48 PM CDT	Special Weather Statement	MEG	Decatur, Henderson	27 min
Sep 1, 10:13 PM CDT	Special Weather Statement	MEG	Hardin, McNairy	32 min
Sep 1, 10:15 PM CDT	Special Weather Statement	MEG	Fayette, Hardeman	45 min
Sep 1, 10:41 PM CDT	Special Weather Statement	MEG	Hardin	49 min
Sep 1, 11:25 PM CDT	Severe Thunderstorm Warning	MEG	Lauderdale, Tipton	23 min
Sep 1, 11:45 PM CDT	Special Weather Statement	MEG	Lauderdale, Tipton	30 min
Sep 2, 12:21 AM CDT	Special Weather Statement	MEG	Lauderdale, Tipton	39 min
Sep 2, 12:30 AM CDT	Special Weather Statement	MEG	Crockett, Madison	30 min
Sep 2, 12:45 AM CDT	Special Weather Statement	MEG	Crockett, Haywood, Lauderdale, Tipton	30 min
Sep 2, 1:20 AM CDT	Flash Flood Warning	MEG	Lauderdale, Tipton	3 hr
Sep 2, 2:07 AM CDT	Flash Flood Warning	MEG	Crockett, Haywood, Lauderdale, Tipton	3 hr
Sep 2, 2:15 AM CDT	Special Weather Statement	MEG	Crockett, Haywood, Madison	45 min
Sep 2, 3:29 AM CDT	Flash Flood Warning	MEG	Carroll, Crockett, Gibson, Madison	2 hr
Sep 1, 7:52 PM CDT	Special Weather Statement	MEG	St. Francis	53 min
Sep 1, 10:39 PM CDT	Special Weather Statement	MEG	Poinsett	51 min
Sep 1, 10:55 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Mississippi, Poinsett	35 min
Sep 1, 11:58 PM CDT	Special Weather Statement	MEG	Mississippi	32 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.