Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 7, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jan 17, 2012, 1:42 PM CST for Alcorn County, Tishomingo County, Mississippi; Hardin County, McNairy County, Tennessee. It was in force for 24 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
- Jan 17, 2012, 1:42 PM CST (19:42 UTC)
- Expired
- Jan 17, 2012, 2:06 PM CST
- In force
- 24 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Alcorn County, MS, Tishomingo County, MS, Hardin County, TN, McNairy County, TN
The radar
The Columbus AFB radar (KGWX), 121 km from the middle of the area, began a volume at 19:45 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 |
|---|---|---|---|
| Jan 17, 1:45 PM CST | HAIL 1 | 4 N Corinth, MS | QUARTER SIZE HAIL 4 MILES NORTH OF CORINTH. |
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 12:00Z, 7.7 hours before the alert went out and 163 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
- 1319 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 628 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 370 m²/s²
- 0-3 km storm-relative helicity
- 372 m²/s²
- Significant tornado parameter
- 3.2
- Supercell composite
- 12.9
The text
As transmitted, in the capitals the NWS used until 2016.
051
WUUS54 KMEG 171942
SVRMEG
MSC003-141-TNC071-109-172030-
/O.NEW.KMEG.SV.W.0007.120117T1942Z-120117T2030Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
142 PM CST TUE JAN 17 2012
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN ALCORN COUNTY IN NORTHEAST MISSISSIPPI...
NORTHERN TISHOMINGO COUNTY IN NORTHEAST MISSISSIPPI...
SOUTHERN HARDIN COUNTY IN SOUTHWEST TENNESSEE...
SOUTHEASTERN MCNAIRY COUNTY IN SOUTHWEST TENNESSEE...
* UNTIL 230 PM CST
* AT 142 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 14 MILES WEST OF
PINEFLAT...OR NEAR CORINTH...AND MOVING EAST AT 50 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PINEFLAT...
PICKWICK DAM...WALNUT GROVE...PICKWICK LANDING STATE PARK AND J P
COLEMAN STATE PARK.
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 3500 8799 3500 8819 3492 8815 3490 8811
3489 8810 3495 8860 3506 8859 3508 8798
3501 8798
TIME...MOT...LOC 1942Z 273DEG 45KT 3500 8848
$$
BORGHOFF2 follow-up statements
199
WWUS54 KMEG 171958
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
158 PM CST TUE JAN 17 2012
MSC003-TNC109-172008-
/O.CAN.KMEG.SV.W.0007.000000T0000Z-120117T2030Z/
ALCORN MS-MCNAIRY TN-
158 PM CST TUE JAN 17 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MCNAIRY AND
NORTHEASTERN ALCORN COUNTIES IS CANCELLED...
AT 158 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA
AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE...THE SEVERE THUNDERSTORM WARNING IS CANCELLED.
LAT...LON 3500 8799 3500 8819 3492 8815 3490 8811
3489 8810 3495 8837 3506 8833 3508 8798
3501 8798
TIME...MOT...LOC 1958Z 270DEG 43KT 3499 8824
$$
MSC141-TNC071-172030-
/O.CON.KMEG.SV.W.0007.000000T0000Z-120117T2030Z/
TISHOMINGO MS-HARDIN TN-
158 PM CST TUE JAN 17 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CST
FOR SOUTHERN HARDIN AND NORTHERN TISHOMINGO COUNTIES...
AT 158 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED NEAR PINEFLAT...OR 6 MILES SOUTHWEST OF PICKWICK
LANDING STATE PARK...MOVING EAST AT 50 MPH.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PINEFLAT...
PICKWICK DAM...WALNUT GROVE...POLLARDS MILL...WINN SPRINGS...RED
SULPHUR SPRINGS...COUNCE...DAMON...PICKWICK LANDING STATE PARK AND J
P COLEMAN STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!
&&
LAT...LON 3500 8799 3500 8819 3492 8815 3490 8811
3489 8810 3495 8837 3506 8833 3508 8798
3501 8798
TIME...MOT...LOC 1958Z 270DEG 43KT 3499 8824
$$
BORGHOFF296
WWUS54 KMEG 172006
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
206 PM CST TUE JAN 17 2012
MSC141-TNC071-172016-
/O.CAN.KMEG.SV.W.0007.000000T0000Z-120117T2030Z/
TISHOMINGO MS-HARDIN TN-
206 PM CST TUE JAN 17 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN HARDIN AND NORTHERN
TISHOMINGO COUNTIES IS CANCELLED...
AT 206 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND NO LONGER
POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE...THE SEVERE
THUNDERSTORM WARNING IS CANCELLED.
LAT...LON 3500 8799 3500 8819 3492 8815 3490 8811
3489 8810 3495 8837 3506 8833 3508 8798
3501 8798
TIME...MOT...LOC 2006Z 270DEG 43KT 3499 8812
$$
BORGHOFFThe office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 16, 11:34 PM CST | Wind Advisory | MEG | Coahoma, DeSoto, Panola, Quitman, Tallahatchie, Tate and 1 more | 12 hr |
| Jan 17, 11:28 AM CST | Special Weather Statement | MEG | Alcorn, Tippah | 32 min |
| Jan 17, 11:40 AM CST | Severe Thunderstorm Warning | MEG | Alcorn, Benton, Prentiss, Tippah | 50 min |
| Jan 17, 11:53 AM CST | Tornado Warning | MEG | Prentiss, Tippah | 37 min |
| Jan 17, 12:18 PM CST | Severe Thunderstorm Warning | MEG | Alcorn, Prentiss, Tishomingo | 18 min |
| Jan 17, 12:28 PM CST | Severe Thunderstorm Warning | MEG | DeSoto, Marshall | 20 min |
| Jan 17, 1:03 PM CST | Special Weather Statement | MEG | Lafayette | 27 min |
| Jan 17, 4:48 PM CST | Special Weather Statement | MEG | Itawamba | 42 min |
| Jan 17, 9:57 AM CST | Severe Thunderstorm Warning | MEG | Dyer, Gibson, Lake, Obion, Weakley | 33 min |
| Jan 17, 10:45 AM CST | Severe Thunderstorm Warning | MEG | Carroll, Gibson, Henry, Weakley | 33 min |
| Jan 17, 11:34 AM CST | Severe Thunderstorm Warning | MEG | Carroll, Decatur, Henderson, Madison | 41 min |
| Jan 17, 12:56 PM CST | Special Weather Statement | MEG | Hardeman | 34 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2012Severe 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.