Alert archive / Mississippi / Tornado Warnings in 2013

Tornado Warning 48, NWS Jackson, MS

April 11, 2013Forrest County, Lamar County, Marion County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 11, 2013, 12:45 PM CDT for Forrest County, Lamar County, Marion County, Mississippi. It was in force for 45 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: Apr 11, 2013, 12:45 PM CDT (17:45 UTC)
Expired: Apr 11, 2013, 1:30 PM CDT
In force: 45 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Forrest County, MS, Lamar County, MS, Marion County, MS

What was reported inside it

Time	Report	Where	Remark
Apr 11, 1:27 PM CDT	TSTM WND DMG	Macedonia, MS	NUMEROUS TREES DOWN. SOME DAMAGE TO STRUCTURES REPORTED.

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

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.8 hours before the alert went out and 107 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: 1207 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 495 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 205 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 5.4

Open this sounding in Storm Lab

The text

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

475 
WFUS54 KJAN 111745
TORJAN
MSC035-073-091-111830-
/O.NEW.KJAN.TO.W.0048.130411T1745Z-130411T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1245 PM CDT THU APR 11 2013

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  MARION COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  LAMAR COUNTY IN SOUTHEAST MISSISSIPPI...
  FORREST COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 130 PM CDT

* AT 1245 PM CDT...A TORNADO WAS INDICATED 6 MILES SOUTH OF PINEBUR
  MOVING NORTHEAST AT 60 MPH.

* THE TORNADO WILL BE NEAR...
  BAXTERVILLE BY 1250 PM CDT...
  WEST HATTIESBURG AND HATTIESBURG BY 110 PM CDT...
  RAWLS SPRINGS AND PETAL BY 115 PM CDT...
  EASTABUCHIE AND MACEDONIA BY 120 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 EASTERN MISSISSIPPI.

LAT...LON 3108 8985 3143 8948 3143 8914 3139 8914
      3100 8964 3099 8975
TIME...MOT...LOC 1745Z 225DEG 51KT 3109 8969

$$

GRG

3 follow-up statements

692 
WWUS54 KJAN 111756
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1256 PM CDT THU APR 11 2013

MSC091-111805-
/O.CAN.KJAN.TO.W.0048.000000T0000Z-130411T1830Z/
MARION MS-
1256 PM CDT THU APR 11 2013

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

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

LAT...LON 3126 8965 3143 8948 3143 8914 3139 8914
      3100 8964 3100 8966
TIME...MOT...LOC 1755Z 241DEG 41KT 3111 8957

$$

MSC035-073-111830-
/O.CON.KJAN.TO.W.0048.000000T0000Z-130411T1830Z/
LAMAR MS-FORREST MS-
1256 PM CDT THU APR 11 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR NORTHERN
FORREST AND LAMAR COUNTIES...

AT 1255 PM CDT...METEOROLOGISTS CONTINUE TO TRACK A LIKELY TORNADO. 
THIS TORNADO WAS LOCATED NEAR BAXTERVILLE MOVING NORTHEAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  WEST HATTIESBURG BY 115 PM CDT...
  HATTIESBURG AND RAWLS SPRINGS BY 120 PM CDT...
  PETAL BY 125 PM CDT...
  MACEDONIA BY 130 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 EASTERN MISSISSIPPI.

LAT...LON 3126 8965 3143 8948 3143 8914 3139 8914
      3100 8964 3100 8966
TIME...MOT...LOC 1755Z 241DEG 41KT 3111 8957

$$

GRG

829 
WWUS54 KJAN 111811
SVSJAN

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

MSC035-073-111830-
/O.CON.KJAN.TO.W.0048.000000T0000Z-130411T1830Z/
LAMAR MS-FORREST MS-
111 PM CDT THU APR 11 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR NORTHERN
FORREST AND LAMAR COUNTIES...

AT 111 PM CDT...METEOROLOGISTS CONTINUE TO TRACK A LIKELY TORNADO. 
THIS TORNADO WAS LOCATED 6 MILES SOUTH OF WEST HATTIESBURG MOVING
NORTHEAST AT 50 MPH.

THE TORNADO WILL BE NEAR...
  HATTIESBURG AND RAWLS SPRINGS BY 120 PM CDT...
  MACEDONIA AND PETAL BY 125 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 EASTERN MISSISSIPPI.

LAT...LON 3124 8952 3133 8958 3143 8948 3143 8914
      3139 8914 3100 8964 3100 8966
TIME...MOT...LOC 1811Z 234DEG 42KT 3124 8937

$$

GRG

782 
WWUS54 KJAN 111821
SVSJAN

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

MSC073-111831-
/O.CAN.KJAN.TO.W.0048.000000T0000Z-130411T1830Z/
LAMAR MS-
121 PM CDT THU APR 11 2013

...THE TORNADO WARNING FOR LAMAR COUNTY IS CANCELLED...

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

LAT...LON 3127 8935 3134 8935 3135 8940 3143 8945
      3143 8914 3139 8914 3124 8933
TIME...MOT...LOC 1821Z 234DEG 42KT 3131 8926

$$

MSC035-111830-
/O.CON.KJAN.TO.W.0048.000000T0000Z-130411T1830Z/
FORREST MS-
121 PM CDT THU APR 11 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR NORTHERN
FORREST COUNTY...

AT 121 PM CDT...METEOROLOGISTS CONTINUE TO TRACK A LIKELY TORNADO. 
THIS TORNADO WAS LOCATED NEAR HATTIESBURG MOVING NORTHEAST AT 50 MPH.

THE TORNADO WILL BE NEAR...
  MACEDONIA BY 130 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 EASTERN MISSISSIPPI.

LAT...LON 3127 8935 3134 8935 3135 8940 3143 8945
      3143 8914 3139 8914 3124 8933
TIME...MOT...LOC 1821Z 234DEG 42KT 3131 8926

$$

GRG

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, 11:31 AM CDT	Tornado Warning Emergency	JAN	Kemper, Neshoba	59 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, 12:46 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.