Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 9, NWS Jackson, MS

January 17, 2012Lamar County, Marion County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jan 17, 2012, 3:34 PM CST for Lamar County, Marion County, Mississippi. It was in force for 56 min. 2 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: Jan 17, 2012, 3:34 PM CST (21:34 UTC)
Expired: Jan 17, 2012, 4:30 PM CST
In force: 56 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Lamar County, MS, Marion County, MS

What was reported inside it

Time	Report	Where	Remark
Jan 17, 4:02 PM CST	TORNADO 2	4 Ne Sandy Hook, MS	* 2 INJ * PATH LENGTH 3 MILES...MAX WIDTH 1/4 MILE...MOVED TO 7 NE SANDY HOOK. ONE MOBILE HOME WAS DESTROYED...WOOD FRAME HOME WAS HEAVILY DAMAGED...POWER POLES WERE SNAPPED...AND NUMEROUS TREES WERE SNAPPED.
Jan 17, 4:07 PM CST	TORNADO	7 E Sandy Hook, MS	PROBABLE TORNADO...MOBILE HOME DESTROYED WITH PERSON POSSIBLY TRAPPED...POWER LINES DOWN...REPORTED BY EM

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.6 hours before the alert went out and 98 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: 188 J/kg
Mixed-layer CIN: -148 J/kg
Mixed-layer LCL: 491 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 222 m²/s²
0-3 km storm-relative helicity: 279 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

115 
WUUS54 KJAN 172134
SVRJAN
MSC073-091-172230-
/O.NEW.KJAN.SV.W.0009.120117T2134Z-120117T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
334 PM CST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MARION COUNTY IN SOUTH CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...KOKOMO...SANDY HOOK...COLUMBIA...
  LAMAR COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 430 PM CST

* AT 334 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR KOKOMO MOVING EAST AT 45
  MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  MORGANTOWN...PICKWICK...PINEBUR...BAXTERVILLE AND PURVIS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY
AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE
DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES
COULD OCCUR.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES. WHILE NOT IMMEDIATELY
LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT
QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS
A BASEMENT OR SMALL INTERIOR ROOM.

&&

LAT...LON 3101 8984 3107 8985 3107 8992 3112 8994
      3113 9001 3117 9002 3118 9004 3124 9005
      3131 9004 3135 8939 3110 8935 3102 8947
      3100 8982
TIME...MOT...LOC 2134Z 263DEG 41KT 3116 9000

$$

AEG

2 follow-up statements

787 
WWUS54 KJAN 172144
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
344 PM CST TUE JAN 17 2012

MSC073-091-172230-
/O.CON.KJAN.SV.W.0009.000000T0000Z-120117T2230Z/
MARION MS-LAMAR MS-
344 PM CST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CST
FOR LAMAR AND MARION COUNTIES...

AT 344 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH.  THIS STORM WAS LOCATED NEAR KOKOMO MOVING EAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PICKWICK...SANDY HOOK...COLUMBIA...PINEBUR...BAXTERVILLE AND PURVIS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY
AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE
DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES
COULD OCCUR.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES. WHILE NOT IMMEDIATELY
LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT
QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS
A SMALL INTERIOR ROOM.

&&

LAT...LON 3101 8984 3107 8985 3107 8992 3112 8994
      3113 9001 3117 9002 3118 9004 3124 9005
      3131 9004 3135 8939 3110 8935 3102 8947
      3100 8982
TIME...MOT...LOC 2144Z 263DEG 40KT 3117 8989

$$

AEG

933 
WWUS54 KJAN 172153
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
353 PM CST TUE JAN 17 2012

MSC073-091-172230-
/O.CON.KJAN.SV.W.0009.000000T0000Z-120117T2230Z/
MARION MS-LAMAR MS-
353 PM CST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CST
FOR LAMAR AND MARION COUNTIES...

AT 353 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
PICKWICK MOVING EAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PINEBUR...BAXTERVILLE AND PURVIS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY
AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE
DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES
COULD OCCUR.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES. WHILE NOT IMMEDIATELY
LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT
QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS
A SMALL INTERIOR ROOM.

&&

LAT...LON 3101 8984 3107 8985 3107 8992 3115 8993
      3120 8992 3125 8994 3132 8988 3135 8939
      3109 8936 3102 8947 3100 8982
TIME...MOT...LOC 2153Z 264DEG 36KT 3115 8980

$$

AEG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 17, 1:27 PM CST	Special Weather Statement	JAN	Grenada	28 min
Jan 17, 1:31 PM CST	Special Weather Statement	JAN	Rankin	59 min
Jan 17, 1:46 PM CST	Special Weather Statement	JAN	Grenada	44 min
Jan 17, 2:57 PM CST	Special Weather Statement	JAN	Claiborne	43 min
Jan 17, 3:26 PM CST	Special Weather Statement	JAN	Lamar, Marion	44 min
Jan 17, 3:55 PM CST	Tornado Warning	JAN	Lamar, Marion	35 min
Jan 17, 4:29 PM CST	Severe Thunderstorm Warning	JAN	Forrest, Lamar	37 min
Jan 17, 4:40 PM CST	Special Weather Statement	JAN	Wilkinson	30 min
Jan 17, 5:34 PM CST	Special Weather Statement	JAN	Kemper, Leake, Neshoba, Noxubee, Rankin, Scott	26 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2012 Every 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.