Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 107, NWS Memphis, TN

April 27, 20116 counties in Mississippi

NWS Memphis, TN issued this tornado warning at Apr 27, 2011, 9:07 AM CDT for 6 counties in Mississippi. It was in force for 38 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: Apr 27, 2011, 9:07 AM CDT (14:07 UTC)
Expired: Apr 27, 2011, 9:45 AM CDT
In force: 38 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Alcorn County, MS, Benton County, MS, Prentiss County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS

The radar

The Columbus AFB radar (KGWX), 94 km from the middle of the area, began a volume at 14:09 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 27, 8:08 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 2.1 hours before the alert went out and 141 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: 582 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 470 m above ground
0-6 km bulk shear: 91 kt
0-1 km storm-relative helicity: 261 m²/s²
0-3 km storm-relative helicity: 228 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

721 
WFUS54 KMEG 271407
TORMEG
MSC003-009-117-139-141-145-271445-
/O.NEW.KMEG.TO.W.0107.110427T1407Z-110427T1445Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
907 AM CDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN ALCORN COUNTY IN NORTHEAST MISSISSIPPI...
  SOUTH CENTRAL BENTON COUNTY IN NORTHEAST MISSISSIPPI...
  PRENTISS COUNTY IN NORTHEAST MISSISSIPPI...
  SOUTHERN TIPPAH COUNTY IN NORTHEAST MISSISSIPPI...
  CENTRAL TISHOMINGO COUNTY IN NORTHEAST MISSISSIPPI...
  NORTHERN UNION COUNTY IN NORTHEAST MISSISSIPPI...

* UNTIL 945 AM CDT

* AT 906 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO 6 MILES NORTHWEST OF NEW   
ALBANY...MOVING EAST AT 65 MPH. AT 840 AM...A WALL CLOUD WAS 
REPORTED WITH THIS STORM BETWEEN HOLLY SPRINGS AND OXFORD.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BOONEVILLE...IUKA...NEW ALBANY AND JCOLEMAN STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.IN ADDITION TO THE TORNADO...THIS STORM WILL PRODUCE GOLF BALL SIZE 
HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

.DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

.THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STORM SHELTER. IF NO
STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3464 8813 3446 8909 3465 8916 3496 8815
      3492 8813 3490 8809
TIME...MOT...LOC 1406Z 250DEG 57KT 3458 8901

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 7:00 PM CDT	Tornado Warning	MEG	Coahoma, Panola, Quitman, Tate, Tunica	30 min
Apr 26, 7:06 PM CDT	Tornado Warning	MEG	Coahoma, Lafayette, Panola, Quitman	54 min
Apr 26, 7:17 PM CDT	Tornado Warning	MEG	DeSoto, Marshall	43 min
Apr 26, 7:19 PM CDT	Tornado Warning	MEG	DeSoto, Marshall, Panola, Quitman, Tate, Tunica	56 min
Apr 26, 7:20 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto	37 min
Apr 26, 7:21 PM CDT	Tornado Warning	MEG	Benton, Lafayette, Marshall, Panola, Quitman, Tate and 2 more	54 min
Apr 26, 7:49 PM CDT	Severe Thunderstorm Warning	MEG	Benton, Marshall	56 min
Apr 26, 7:54 PM CDT	Tornado Warning	MEG	Lafayette, Marshall, Panola, Tate	51 min
Apr 26, 8:04 PM CDT	Tornado Warning	MEG	Benton, Lafayette, Marshall, Tate, Tippah, Union	56 min
Apr 26, 8:07 PM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Benton, Marshall, Tippah	68 min
Apr 26, 8:12 PM CDT	Tornado Warning	MEG	DeSoto, Marshall, Panola, Tate	35 min
Apr 26, 8:26 PM CDT	River Flood Warning	MEG	Quitman	13 days
Apr 26, 8:53 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Quitman, Tunica	67 min
Apr 26, 8:55 PM CDT	Tornado Warning	MEG	Alcorn, Benton, Tippah	65 min
Apr 26, 8:57 PM CDT	Flash Flood Warning	MEG	Benton, DeSoto, Lafayette, Marshall, Tate, Tippah	6 hr
Apr 26, 8:58 PM CDT	Tornado Warning	MEG	Benton, Marshall, Tippah	47 min
Apr 26, 9:01 PM CDT	Tornado Warning	MEG	Coahoma, DeSoto, Panola, Quitman, Tate, Tunica	59 min
Apr 26, 9:09 PM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Benton, Tippah	51 min
Apr 26, 9:52 PM CDT	Tornado Warning	MEG	Coahoma, DeSoto, Panola, Quitman, Tate, Tunica	53 min
Apr 26, 9:53 PM CDT	Tornado Warning	MEG	Tippah	35 min
Apr 26, 10:04 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto	56 min
Apr 26, 10:27 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto, Marshall, Tate	48 min
Apr 26, 10:44 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma, DeSoto, Lafayette, Panola, Quitman, Tate and 1 more	46 min
Apr 26, 11:13 PM CDT	Tornado Warning	MEG	DeSoto, Marshall, Panola, Tate	47 min
Apr 26, 11:29 PM CDT	Flash Flood Warning	MEG	Coahoma, DeSoto, Panola, Quitman, Tate, Tunica	6 hr
Apr 26, 11:56 PM CDT	Severe Thunderstorm Warning	MEG	Benton, Marshall, Tippah	49 min
Apr 27, 1:54 AM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Pontotoc, Yalobusha	36 min
Apr 27, 2:07 AM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Lafayette, Pontotoc, Yalobusha	23 min
Apr 27, 2:24 AM CDT	Tornado Warning	MEG	Alcorn, Tippah	31 min
Apr 27, 2:26 AM CDT	Flash Flood Warning	MEG	Alcorn, Benton, Lafayette, Marshall, Tate, Tippah	4 hr
Apr 27, 2:27 AM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Lafayette, Lee, Monroe, Pontotoc and 1 more	48 min
Apr 27, 2:38 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Lafayette, Marshall, Pontotoc, Tippah, Union	52 min
Apr 27, 2:42 AM CDT	Tornado Warning	MEG	Benton, Lafayette, Marshall, Tippah, Union	48 min
Apr 27, 2:55 AM CDT	Tornado Warning	MEG	Chickasaw, Itawamba, Lee, Monroe	65 min
Apr 27, 3:11 AM CDT	Severe Thunderstorm Warning	MEG	Chickasaw, Itawamba, Lee, Pontotoc, Prentiss	39 min
Apr 27, 3:13 AM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Prentiss, Tippah, Union	47 min
Apr 27, 3:14 AM CDT	Tornado Warning	MEG	Alcorn, Prentiss, Tippah, Tishomingo, Union	46 min
Apr 27, 3:38 AM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Tishomingo	24 min
Apr 27, 3:48 AM CDT	Tornado Warning	MEG	Tishomingo	18 min
Apr 27, 6:33 AM CDT	Flash Flood Warning	MEG	Coahoma, DeSoto, Panola, Quitman, Tallahatchie, Tate and 2 more	4 hr
Apr 27, 6:57 AM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Quitman, Tunica	48 min
Apr 27, 7:14 AM CDT	Flash Flood Warning	MEG	Alcorn, Benton, Calhoun, Chickasaw, Itawamba, Lafayette and 10 more	4 hr
Apr 27, 7:29 AM CDT	Tornado Warning	MEG	Itawamba, Monroe	46 min
Apr 27, 7:40 AM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Panola, Quitman, Tallahatchie, Tate, Tunica and 1 more	50 min
Apr 27, 7:46 AM CDT	Flash Flood Warning	MEG	Tishomingo	6 hr
Apr 27, 8:18 AM CDT	Severe Thunderstorm Warning	MEG	Benton, Lafayette, Marshall, Panola, Tate, Tippah and 1 more	42 min
Apr 27, 8:24 AM CDT	Tornado Warning	MEG	Lafayette, Marshall, Panola, Pontotoc, Union	51 min
Apr 27, 8:28 AM CDT	Tornado Warning	MEG	Alcorn, Benton, Lafayette, Marshall, Prentiss, Tippah and 2 more	47 min
Apr 27, 8:58 AM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Lafayette, Panola, Pontotoc, Yalobusha	47 min
Apr 27, 9:14 AM CDT	Tornado Warning	MEG	Itawamba, Lafayette, Lee, Pontotoc, Prentiss, Tippah and 2 more	46 min
Apr 27, 9:45 AM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Itawamba, Lafayette, Lee, Monroe and 2 more	45 min
Apr 27, 9:56 AM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Itawamba, Lee, Prentiss, Tishomingo	34 min
Apr 27, 10:01 AM CDT	Tornado Warning	MEG	Itawamba, Prentiss, Tishomingo	25 min
Apr 27, 10:07 AM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Lee, Monroe	38 min
Apr 27, 10:08 AM CDT	Severe Thunderstorm Warning	MEG	DeSoto	37 min
Apr 27, 10:32 AM CDT	Flash Flood Warning	MEG	Coahoma, DeSoto, Marshall, Panola, Quitman, Tallahatchie and 3 more	4 hr
Apr 27, 10:55 AM CDT	Severe Thunderstorm Warning	MEG	Benton, DeSoto, Marshall, Tate, Tippah, Tunica	50 min
Apr 27, 11:10 AM CDT	Tornado Warning	MEG	DeSoto, Marshall, Tate	50 min
Apr 27, 11:18 AM CDT	Flash Flood Warning	MEG	Alcorn, Benton, Calhoun, Chickasaw, Itawamba, Lafayette and 10 more	6 hr
Apr 27, 11:54 AM CDT	Severe Thunderstorm Warning	MEG	Coahoma, DeSoto, Panola, Quitman, Tate, Tunica	51 min
Apr 27, 11:56 AM CDT	Severe Thunderstorm Warning	MEG	Coahoma, Panola, Quitman	49 min
Apr 27, 12:06 PM CDT	River Flood Warning	MEG	Quitman	14 days
Apr 27, 12:06 PM CDT	River Flood Warning	MEG	Calhoun	10 hr
Apr 27, 12:13 PM CDT	Tornado Warning	MEG	Coahoma, Lafayette, Panola, Quitman, Tallahatchie, Yalobusha	62 min
Apr 27, 12:33 PM CDT	Severe Thunderstorm Warning	MEG	Benton, DeSoto, Marshall, Tate, Tunica	42 min
Apr 27, 1:00 PM CDT	Tornado Warning	MEG	Calhoun, Lafayette, Marshall, Panola, Pontotoc, Quitman and 3 more	60 min
Apr 27, 1:03 PM CDT	Tornado Warning	MEG	Calhoun, Lafayette, Panola, Tallahatchie, Yalobusha	42 min
Apr 27, 1:19 PM CDT	Tornado Warning	MEG	Calhoun, Lafayette, Panola, Pontotoc, Quitman, Tallahatchie and 1 more	41 min
Apr 27, 1:32 PM CDT	Severe Thunderstorm Warning	MEG	Benton, Marshall, Tippah	28 min
Apr 27, 1:37 PM CDT	Tornado Warning	MEG	Calhoun, Itawamba, Lafayette, Lee, Pontotoc, Prentiss and 3 more	53 min
Apr 27, 1:45 PM CDT	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw, Lafayette, Lee, Pontotoc, Union and 1 more	45 min
Apr 27, 1:50 PM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Benton, Lafayette, Marshall, Panola, Prentiss and 2 more	40 min
Apr 27, 1:55 PM CDT	Severe Thunderstorm Warning	MEG	Benton, Marshall, Tippah	12 min
Apr 27, 1:56 PM CDT	Flash Flood Warning	MEG	Tishomingo	3 hr
Apr 27, 2:01 PM CDT	Tornado Warning	MEG	Calhoun, Chickasaw, Lafayette, Pontotoc, Yalobusha	44 min
Apr 27, 2:23 PM CDT	Tornado Warning	MEG	Alcorn, Prentiss, Tippah, Tishomingo, Union	37 min
Apr 27, 2:25 PM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Benton, Lafayette, Marshall, Prentiss, Tippah and 1 more	50 min
Apr 27, 2:29 PM CDT	Tornado Warning	MEG	Calhoun, Chickasaw, Lee, Pontotoc, Yalobusha	46 min
Apr 27, 2:31 PM CDT	Tornado Warning	MEG	Calhoun, Chickasaw, Lafayette, Lee, Pontotoc, Union	44 min
Apr 27, 2:32 PM CDT	Areal Flood Warning	MEG	Coahoma, DeSoto, Panola, Quitman, Tallahatchie, Tate and 2 more	3 days

Nearby

Tornado Warnings in Mississippi, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.