Alert archive / Tennessee / Special Weather Statements in 2012
Special Weather Statement, NWS Memphis, TN
NWS Memphis, TN issued this special weather statement at Jul 20, 2012, 6:18 PM CDT for Madison County, Tennessee. It was in force for 27 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
- Jul 20, 2012, 6:18 PM CDT (23:18 UTC)
- Expired
- Jul 20, 2012, 6:45 PM CDT
- In force
- 27 min
- Issued by
- NWS Memphis, TN
County Madison County, TN
The radar
The Memphis radar (KNQA), 98 km from the middle of the area, began a volume at 23:21 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 12:00Z, 11.3 hours before the alert went out and 135 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
- 1326 J/kg
- Mixed-layer CIN
- -175 J/kg
- Mixed-layer LCL
- 1689 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Jul 20, 3:52 PM CDT, 2 hours 26 minutes earlier.
Area forecast discussion, Jul 20, 3:52 PM CDT, 2 hours 26 minutes before
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</html>Hazardous weather outlook, Jul 20, 3:59 PM CDT, 2 hours 19 minutes before
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</html>In the hours before
Special weather statement, Jul 20, 3:14 PM CDT, 3 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
314 PM CDT FRI JUL 20 2012
TNZ004-021-202045-
CARROLL TN-HENRY TN-
314 PM CDT FRI JUL 20 2012
...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 345 PM CDT FOR...
NORTHEASTERN CARROLL COUNTY IN NORTHWEST TENNESSEE...
CENTRAL HENRY COUNTY IN NORTHWEST TENNESSEE...
A STRONG THUNDERSTORM PRODUCING WIND GUSTS TO 50 MPH AND PEA SIZE
HAIL WAS LOCATED 4 MILES EAST OF PARIS AT 314 PM CDT...MOVING SOUTH
AT 20 MPH.
PEOPLE IN CARROLL AND HENRY COUNTIES...INCLUDING LOCATIONS NEAR
PARIS...SHOULD MONITOR THIS STORM CLOSELY.
&&
LAT...LON 3618 8816 3615 8817 3612 8820 3602 8821
3604 8841 3637 8835 3635 8812 3620 8813
TIME...MOT...LOC 2014Z 005DEG 16KT 3627 8824Special weather statement, Jul 20, 3:50 PM CDT, 2 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
350 PM CDT FRI JUL 20 2012
TNZ004-021-202115-
CARROLL TN-HENRY TN-
350 PM CDT FRI JUL 20 2012
...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 415 PM CDT FOR...
NORTHEASTERN CARROLL COUNTY IN NORTHWEST TENNESSEE...
SOUTH CENTRAL HENRY COUNTY IN NORTHWEST TENNESSEE...
A STRONG THUNDERSTORM PRODUCING WIND GUSTS TO 50 MPH AND PEA SIZE
HAIL WAS LOCATED 4 MILES NORTHWEST OF VALE AT 350 PM CDT...MOVING
SOUTH AT 15 MPH.
PEOPLE IN CARROLL AND HENRY COUNTIES...INCLUDING LOCATIONS NEAR
HUNTINGDON...SHOULD MONITOR THIS STORM CLOSELY.
&&
LAT...LON 3615 8816 3612 8820 3593 8821 3593 8822
3597 8845 3621 8839 3620 8816
TIME...MOT...LOC 2050Z 014DEG 15KT 3615 8830Special weather statement, Jul 20, 5:15 PM CDT, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
515 PM CDT FRI JUL 20 2012
TNZ021-202245-
CARROLL TN-
515 PM CDT FRI JUL 20 2012
...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 545 PM CDT FOR...
WESTERN CARROLL COUNTY IN NORTHWEST TENNESSEE...
A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH WAS LOCATED 8
MILES NORTHEAST OF ATWOOD AT 515 PM CDT...MOVING SOUTH AT 10 MPH.
VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE
ALSO POSSIBLE WITH THIS THUNDERSTORM.
PEOPLE IN CARROLL COUNTY SHOULD MONITOR THIS STORM CLOSELY.
&&
LAT...LON 3583 8844 3584 8870 3589 8870 3610 8864
3610 8847
TIME...MOT...LOC 2215Z 004DEG 10KT 3603 8856Special weather statement, Jul 20, 5:31 PM CDT, 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 531 PM CDT FRI JUL 20 2012 MSZ002-003-202300- BENTON MS-MARSHALL MS- 531 PM CDT FRI JUL 20 2012 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 600 PM CDT FOR... WEST CENTRAL BENTON COUNTY IN NORTHEAST MISSISSIPPI... EASTERN MARSHALL COUNTY IN NORTHWEST MISSISSIPPI... A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH WAS LOCATED 3 MILES WEST OF LAMAR AT 531 PM CDT...MOVING SOUTH AT 10 MPH. VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE WITH THIS THUNDERSTORM. PEOPLE IN BENTON AND MARSHALL COUNTIES...INCLUDING LOCATIONS NEAR HOLLY SPRINGS AND WALL DOXEY STATE PARK...SHOULD MONITOR THIS STORM CLOSELY. && LAT...LON 3463 8928 3466 8957 3498 8947 3497 8930 TIME...MOT...LOC 2231Z 008DEG 10KT 3489 8938
Special weather statement, Jul 20, 6:18 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 618 PM CDT FRI JUL 20 2012 TNZ052-202345- MADISON TN- 618 PM CDT FRI JUL 20 2012 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 645 PM CDT FOR... WESTERN MADISON COUNTY IN SOUTHWEST TENNESSEE... A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH WAS LOCATED 5 MILES NORTH OF JACKSON AT 619 PM CDT...MOVING SOUTHWEST AT 20 MPH. VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE WITH THIS THUNDERSTORM. PEOPLE IN MADISON COUNTY...INCLUDING LOCATIONS NEAR JACKSON...SHOULD MONITOR THIS STORM CLOSELY. && LAT...LON 3573 8873 3545 8886 3555 8908 3579 8887 TIME...MOT...LOC 2319Z 028DEG 15KT 3569 8886
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 9:47 PM CDT | Excessive Heat Watch | MEG | Alcorn, Benton, Coahoma, DeSoto, Lafayette, Marshall and 7 more | 6 hr |
| Jul 20, 4:04 AM CDT | Excessive Heat Warning | MEG | Alcorn, Benton, Coahoma, DeSoto, Lafayette, Marshall and 7 more | 15 hr |
| Jul 20, 5:31 PM CDT | Special Weather Statement | MEG | Marshall | 29 min |
| Jul 20, 5:37 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Marshall | 38 min |
| Jul 20, 3:14 PM CDT | Special Weather Statement | MEG | Henry | 31 min |
| Jul 20, 3:50 PM CDT | Special Weather Statement | MEG | Carroll | 25 min |
| Jul 20, 5:15 PM CDT | Special Weather Statement | MEG | Carroll | 30 min |
Nearby
Special Weather Statements in Tennessee, 2012Every 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.