Alert archive / Mississippi / Tornado Warnings in 2013

Tornado Warning 46, NWS Jackson, MS

April 11, 2013Kemper County, Neshoba County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 11, 2013, 11:31 AM CDT for Kemper County, Neshoba County, Mississippi. It was in force for 59 min. 3 reports 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: Apr 11, 2013, 11:31 AM CDT (16:31 UTC)
Expired: Apr 11, 2013, 12:30 PM CDT
In force: 59 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Emergency: Tornado emergency

Counties Kemper County, MS, Neshoba County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 125 km from the middle of the area, began a volume at 16:31 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
Apr 11, 11:31 AM CDT	TORNADO 3	3 Sw Damascus, MS	* 1 FATAL, 9 INJ * EF3 TORNADO WITH WINDS 145MPH TOUCHED DOWN AND TRACKED NNE THROUGH KEMPER AND NOXUBEE COUNTIES INTO ALABAMA. DAMAGE OCCURRED TO A STEEL FRAME COMMERCIAL BUILDING...HOMES WERE DESTROYED...HIGH TENSION POWER POLES WERE BENT AND A MICROWAVE
Apr 11, 11:38 AM CDT	TORNADO	4 Nw Liberty, MS	DAMAGE WITH POSSIBLE INJURIES REPORTED ALONG HIGHWAY 493 NORTHWEST OF LIBERTY
Apr 11, 11:48 AM CDT	TORNADO	2 E Bluff Springs, MS	EMERGENCY MANAGER REPORTS PATH OF DAMAGE FROM INTERSECTION OF HWY 495 AND OLD JACKSON ROAD...NORTHEAST ACROSS HIGHWAY 16 JUST EAST OF HWY 493 TO INTERSECTION OF HWY 397 AT MELLEN ROAD. SEVERAL HOMES ALONG THE PATH WERE HEAVILY DAMAGED OR DESTROYED...AND NUMERO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 11, 8:00 AM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 4.5 hours before the alert went out and 131 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: 1428 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 484 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 307 m²/s²
0-3 km storm-relative helicity: 326 m²/s²
Significant tornado parameter: 2.6
Supercell composite: 10.6

Open this sounding in Storm Lab

The text

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

291 
WFUS54 KJAN 111631
TORJAN
MSC069-099-111730-
/O.NEW.KJAN.TO.W.0046.130411T1631Z-130411T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1131 AM CDT THU APR 11 2013

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NESHOBA COUNTY IN EAST CENTRAL MISSISSIPPI...
  KEMPER COUNTY IN EAST CENTRAL MISSISSIPPI...

* UNTIL 1230 PM CDT

* AT 1131 AM CDT...A TORNADO WAS INDICATED NEAR HERBERT SPRINGS
  MOVING NORTHEAST AT 50 MPH.

* THE TORNADO WILL BE NEAR...
  LIBERTY BY 1140 AM CDT...
  BLUFF SPRINGS BY 1145 AM CDT...
  DE KALB BY 1150 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE COVER NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR SOUTHEASTERN MISSISSIPPI.

LAT...LON 3258 8879 3258 8899 3293 8879 3293 8845
TIME...MOT...LOC 1631Z 213DEG 42KT 3262 8888

$$

CME

5 follow-up statements

054 
WWUS54 KJAN 111638
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1138 AM CDT THU APR 11 2013

MSC099-111648-
/O.CAN.KJAN.TO.W.0046.000000T0000Z-130411T1730Z/
NESHOBA MS-
1138 AM CDT THU APR 11 2013

...THE TORNADO WARNING FOR SOUTHEASTERN NESHOBA COUNTY IS 
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR SOUTHEASTERN MISSISSIPPI.

LAT...LON 3292 8864 3292 8846 3283 8855 3264 8878
      3264 8888 3271 8891 3287 8882 3292 8879
      3293 8864
TIME...MOT...LOC 1638Z 212DEG 42KT 3269 8884

$$

MSC069-111730-
/O.CON.KJAN.TO.W.0046.000000T0000Z-130411T1730Z/
KEMPER MS-
1138 AM CDT THU APR 11 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR WESTERN
KEMPER COUNTY...

AT 1138 AM CDT...METEOROLOGISTS CONTINUE TO TRACK A LIKELY TORNADO. 
THIS TORNADO WAS LOCATED NEAR DAMASCUS MOVING NORTHEAST AT 50 MPH.

THE TORNADO WILL BE NEAR...
  BLUFF SPRINGS BY 1145 AM CDT...
  DE KALB BY 1150 AM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE COVER NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR SOUTHEASTERN MISSISSIPPI.

LAT...LON 3292 8864 3292 8846 3283 8855 3264 8878
      3264 8888 3271 8891 3287 8882 3292 8879
      3293 8864
TIME...MOT...LOC 1638Z 212DEG 42KT 3269 8884

$$

CME

817 
WWUS54 KJAN 111644
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1144 AM CDT THU APR 11 2013

MSC069-111730-
/O.CON.KJAN.TO.W.0046.000000T0000Z-130411T1730Z/
KEMPER MS-
1144 AM CDT THU APR 11 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR CENTRAL
KEMPER COUNTY...

AT 1144 AM CDT...A DAMAGING TORNADO HAS BEEN CONFIRMED.  THIS TORNADO
WAS LOCATED NEAR BLUFF SPRINGS MOVING NORTHEAST AT 50 MPH.

THE TORNADO WILL BE NEAR...
  RURAL NORTHERN KEMPER COUNTY AT NOON CDT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE COVER NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR SOUTHEASTERN MISSISSIPPI.

LAT...LON 3292 8864 3292 8851 3267 8881 3273 8888
      3292 8879 3293 8864
TIME...MOT...LOC 1644Z 212DEG 42KT 3275 8879

$$

CME

440 
WWUS54 KJAN 111651
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1151 AM CDT THU APR 11 2013

MSC069-111730-
/O.CON.KJAN.TO.W.0046.000000T0000Z-130411T1730Z/
KEMPER MS-
1151 AM CDT THU APR 11 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR NORTH
CENTRAL KEMPER COUNTY...

AT 1151 AM CDT...A DAMAGING TORNADO HAS BEEN CONFIRMED.  THIS TORNADO
WAS LOCATED OVER CENTRAL KEMPER COUNTY MOVING NORTHEAST AT 45 MPH. 
THIS TORNADO COULD BE POTENTIALLY STRONG!

THE TORNADO WILL BE NEAR...
  RURAL NORTHERN KEMPER COUNTY AT 1210 PM CDT

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE COVER NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR SOUTHEASTERN MISSISSIPPI.

LAT...LON 3292 8864 3292 8851 3275 8873 3278 8882
      3292 8875 3293 8864
TIME...MOT...LOC 1651Z 214DEG 40KT 3280 8874

$$

CME

485 
WWUS54 KJAN 111703
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1203 PM CDT THU APR 11 2013

MSC069-111730-
/O.CON.KJAN.TO.W.0046.000000T0000Z-130411T1730Z/
KEMPER MS-
1203 PM CDT THU APR 11 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR NORTH
CENTRAL KEMPER COUNTY...

...THIS IS A TORNADO EMERGENCY FOR LOCATIONS ALONG THE PATH OF THE
TORNADO...

AT 1203 PM CDT...METEOROLOGISTS AND TRAINED SPOTTERS WERE TRACKING A
LARGE...VIOLENT AND EXTREMELY DANGEROUS TORNADO.  THIS TORNADO WAS
LOCATED OVER NORTH CENTRAL KEMPER COUNTY MOVING NORTHEAST AT 45 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE COVER NOW.

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION! SEEK
UNDERGROUND SHELTER OR SHELTER IN AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY STRUCTURE. ABANDON MOBILE HOMES AND VEHICLES.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR EASTERN MISSISSIPPI.

LAT...LON 3284 8862 3286 8876 3292 8873 3293 8864
      3292 8864 3292 8854
TIME...MOT...LOC 1703Z 214DEG 40KT 3291 8865

$$

CME

346 
WWUS54 KJAN 111710
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1210 PM CDT THU APR 11 2013

MSC069-111720-
/O.CAN.KJAN.TO.W.0046.000000T0000Z-130411T1730Z/
KEMPER MS-
1210 PM CDT THU APR 11 2013

...THE TORNADO WARNING FOR NORTH CENTRAL KEMPER COUNTY IS 
CANCELLED...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS MOVED OUT OF THE
COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR EASTERN MISSISSIPPI.

LAT...LON 3284 8862 3286 8876 3292 8873 3293 8864
      3292 8864 3292 8854
TIME...MOT...LOC 1710Z 214DEG 40KT 3297 8859

$$

CME

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 10, 9:49 PM CDT	Special Weather Statement	JAN	Bolivar	61 min
Apr 10, 10:01 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar	29 min
Apr 10, 11:23 PM CDT	Special Weather Statement	JAN	Bolivar	57 min
Apr 11, 12:19 AM CDT	Special Weather Statement	JAN	Washington	61 min
Apr 11, 8:50 AM CDT	River Flood Warning	JAN	Attala, Holmes	6 days
Apr 11, 8:58 AM CDT	Special Weather Statement	JAN	Lincoln	32 min
Apr 11, 9:28 AM CDT	River Flood Warning	JAN	Neshoba	24 hr
Apr 11, 10:13 AM CDT	Special Weather Statement	JAN	Smith	32 min
Apr 11, 10:45 AM CDT	Special Weather Statement	JAN	Scott	20 min
Apr 11, 10:53 AM CDT	Special Weather Statement	JAN	Jasper	22 min
Apr 11, 11:25 AM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Neshoba, Newton	50 min
Apr 11, 11:32 AM CDT	Areal Flood Warning	JAN	Holmes, Humphreys, Issaquena, Sharkey, Washington, Yazoo	6 hr
Apr 11, 11:56 AM CDT	Tornado Warning Emergency	JAN	Noxubee	64 min
Apr 11, 12:02 PM CDT	Severe Thunderstorm Warning	JAN	Clay	28 min
Apr 11, 12:18 PM CDT	Severe Thunderstorm Warning	JAN	Marion	42 min
Apr 11, 12:42 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	48 min
Apr 11, 12:45 PM CDT	Tornado Warning	JAN	Forrest, Lamar, Marion	45 min
Apr 11, 12:46 PM CDT	Tornado Warning	JAN	Lowndes, Noxubee	14 min
Apr 11, 1:17 PM CDT	Severe Thunderstorm Warning	JAN	Jones	43 min
Apr 11, 1:26 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	49 min
Apr 11, 1:29 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	31 min
Apr 11, 1:34 PM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper	56 min
Apr 11, 1:50 PM CDT	Tornado Warning	JAN	Clarke, Lauderdale	40 min
Apr 11, 4:10 PM CDT	River Flood Warning	JAN	Carroll, Leflore	43 hr

Nearby

Tornado Warnings in Mississippi, 2013 Every tornado warning in 2013 Tornadoes in 2013

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.