Alert archive / Tennessee / Special Weather Statements in 2012
Special Weather Statement, NWS Memphis, TN
NWS Memphis, TN issued this special weather statement at Dec 17, 2012, 1:49 PM CST for Decatur County, Tennessee. It was in force for 26 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
- Dec 17, 2012, 1:49 PM CST (19:49 UTC)
- Expired
- Dec 17, 2012, 2:15 PM CST
- In force
- 26 min
- Issued by
- NWS Memphis, TN
County Decatur County, TN
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 7.8 hours before the alert went out and 152 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
- 100 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 447 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 185 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 Dec 17, 11:57 AM CST, 1 hour 52 minutes earlier.
Area forecast discussion, Dec 17, 11:57 AM CST, 1 hour 52 minutes before
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</html>Hazardous weather outlook, Dec 17, 3:50 AM CST, 9 hours 59 minutes before
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</html>In the hours before
Special weather statement, Dec 17, 1:23 PM CST, 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 123 PM CST MON DEC 17 2012 TNZ053>055-171945- CHESTER TN-DECATUR TN-HENDERSON TN- 123 PM CST MON DEC 17 2012 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 145 PM CST FOR... WEST CENTRAL DECATUR COUNTY IN TENNESSEE... NORTHEASTERN CHESTER COUNTY IN SOUTHWEST TENNESSEE... SOUTHERN HENDERSON COUNTY IN SOUTHWEST TENNESSEE... A STRONG THUNDERSTORM PRODUCING PEA TO NICKEL SIZE HAIL WAS LOCATED OVER HENDERSON AT 122 PM CST...MOVING EAST AT 35 MPH. DANGEROUS CLOUD TO GROUND LIGHTNING IS ALSO POSSIBLE WITH THIS THUNDERSTORM. NICKEL SIZE HAIL WAS REPORTED WEST OF HENDERSON AT 120 PM. PEOPLE IN CHESTER...DECATUR AND HENDERSON COUNTIES...INCLUDING LOCATIONS NEAR HENDERSON...SHOULD MONITOR THIS STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT ALSO INCLUDES BEECH LAKE...PIN OAK LAKE AND PINE LAKE. && LAT...LON 3549 8814 3537 8868 3545 8871 3570 8822 TIME...MOT...LOC 1922Z 251DEG 29KT 3544 8858 TLSJR
Local storm report, Dec 17, 1:25 PM CST, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TN
125 PM CST MON DEC 17 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0118 PM LIGHTNING HENDERSON 35.44N 88.65W
12/17/2012 CHESTER TN TRAINED SPOTTER
LIGHTNING STRUCK A LARGE TREE SETTING IT ON FIRE ON
UNIVERSITY STREET IN HENDERSON.
0120 PM HAIL 1 W HENDERSON 35.44N 88.67W
12/17/2012 M0.88 INCH CHESTER TN TRAINED SPOTTER
NICKEL SIZED HAIL FOR A SHORT PERIOD...MOSTLY PEA SIZED.
&&
MRMSpecial weather statement, Dec 17, 1:33 PM CST, 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
133 PM CST MON DEC 17 2012
TNZ092-172000-
HARDIN TN-
133 PM CST MON DEC 17 2012
...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 200 PM CST FOR...
NORTHERN HARDIN COUNTY IN SOUTHWEST TENNESSEE...
A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL WAS LOCATED 2 MILES
EAST OF SAVANNAH AT 133 PM CST...MOVING EAST AT 35 MPH.
DANGEROUS CLOUD TO GROUND LIGHTNING IS ALSO POSSIBLE WITH THIS
THUNDERSTORM.
PEOPLE IN HARDIN COUNTY...INCLUDING LOCATIONS NEAR SAVANNAH...SHOULD
MONITOR THIS STORM CLOSELY.
&&
LAT...LON 3517 8823 3527 8828 3539 8802 3536 8800
3531 8801 3529 8797 3522 8797
TIME...MOT...LOC 1933Z 251DEG 31KT 3525 8813
TLSJRSpecial weather statement, Dec 17, 1:49 PM CST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
149 PM CST MON DEC 17 2012
TNZ054-055-092-172015-
DECATUR TN-HARDIN TN-HENDERSON TN-
149 PM CST MON DEC 17 2012
...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 215 PM CST FOR...
SOUTHERN DECATUR COUNTY IN TENNESSEE...
NORTHWESTERN HARDIN COUNTY IN SOUTHWEST TENNESSEE...
SOUTHEASTERN HENDERSON COUNTY IN SOUTHWEST TENNESSEE...
A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER WAS LOCATED 5
MILES NORTHEAST OF SARDIS AT 150 PM CST...MOVING EAST AT 35 MPH.
DANGEROUS CLOUD TO GROUND LIGHTNING IS ALSO POSSIBLE WITH THIS
THUNDERSTORM.
PEOPLE IN DECATUR...HARDIN AND HENDERSON COUNTIES SHOULD MONITOR THIS
STORM CLOSELY.
&&
LAT...LON 3547 8800 3547 8802 3544 8804 3537 8836
3542 8836 3557 8832 3566 8802 3560 8802
3553 8797 3550 8797
TIME...MOT...LOC 1950Z 255DEG 31KT 3551 8820
TLSJRThe office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 1:23 PM CST | Special Weather Statement | MEG | Chester | 22 min |
| Dec 17, 1:33 PM CST | Special Weather Statement | MEG | Hardin | 27 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.