Alert archive / Mississippi / Tornado Warnings in 2012

Tornado Warning 69, NWS Jackson, MS

September 3, 2012Noxubee County, Mississippi

NWS Jackson, MS issued this tornado warning at Sep 3, 2012, 11:25 PM CDT for Noxubee County, Mississippi. It was in force for 35 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: Sep 3, 2012, 11:25 PM CDT (04:25 UTC)
Expired: Sep 4, 2012, 12:00 AM CDT
In force: 35 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Noxubee County, MS

The radar

The Columbus AFB radar (KGWX), 94 km from the middle of the area, began a volume at 04:27 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 nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 4.4 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.

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: 1069 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 747 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

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

925 
WFUS54 KJAN 040425
TORJAN
MSC103-040500-
/O.NEW.KJAN.TO.W.0069.120904T0425Z-120904T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1125 PM CDT MON SEP 3 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL NOXUBEE COUNTY IN EAST CENTRAL MISSISSIPPI...

* UNTIL MIDNIGHT CDT

* AT 1125 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR MACON
  MOVING SOUTHEAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  PAULETTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3301 8837 3294 8865 3316 8872 3321 8852
TIME...MOT...LOC 0425Z 337DEG 19KT 3313 8857

$$

DL

2 follow-up statements

557 
WWUS54 KJAN 040440
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1140 PM CDT MON SEP 3 2012

MSC103-040500-
/O.CON.KJAN.TO.W.0069.000000T0000Z-120904T0500Z/
NOXUBEE MS-
1140 PM CDT MON SEP 3 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
SOUTHERN NOXUBEE COUNTY...

AT 1140 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR MACON MOVING SOUTH AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SHUQUALAK AND PAULETTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3317 8849 3301 8837 3294 8865 3309 8870
TIME...MOT...LOC 0440Z 338DEG 18KT 3304 8856

$$

DL

664 
WWUS54 KJAN 040453
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1153 PM CDT MON SEP 3 2012

MSC103-040502-
/O.EXP.KJAN.TO.W.0069.000000T0000Z-120904T0500Z/
NOXUBEE MS-
1153 PM CDT MON SEP 3 2012

...THE TORNADO WARNING FOR SOUTHERN NOXUBEE COUNTY WILL EXPIRE AT
MIDNIGHT CDT...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED AND THE
WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3317 8849 3301 8837 3294 8865 3309 8870
TIME...MOT...LOC 0452Z 338DEG 18KT 3298 8853

$$

DL

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 3, 10:24 PM CDT	Special Weather Statement	JAN	Lowndes, Noxubee, Oktibbeha	31 min
Sep 3, 11:01 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	44 min
Sep 3, 11:53 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	37 min
Sep 4, 12:09 AM CDT	Flash Flood Warning	JAN	Noxubee, Oktibbeha	2 hr
Sep 4, 12:31 AM CDT	Special Weather Statement	JAN	Noxubee	29 min
Sep 4, 12:41 AM CDT	Severe Thunderstorm Warning	JAN	Noxubee, Winston	49 min
Sep 4, 1:33 AM CDT	Special Weather Statement	JAN	Noxubee	32 min
Sep 4, 2:41 PM CDT	Special Weather Statement	JAN	Jones	29 min
Sep 4, 3:14 PM CDT	Special Weather Statement	JAN	Jones	31 min
Sep 4, 3:27 PM CDT	Flash Flood Warning	JAN	Jones	2 hr
Sep 4, 3:45 PM CDT	Severe Thunderstorm Warning	JAN	Jones	45 min
Sep 4, 4:38 PM CDT	Special Weather Statement	JAN	Forrest	42 min
Sep 4, 5:22 PM CDT	Special Weather Statement	JAN	Forrest	58 min
Sep 4, 5:34 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Jones	41 min
Sep 4, 5:41 PM CDT	Severe Thunderstorm Warning	JAN	Jones	34 min
Sep 4, 6:09 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	51 min
Sep 4, 6:36 PM CDT	Severe Thunderstorm Warning	JAN	Rankin, Simpson, Smith	39 min
Sep 4, 6:43 PM CDT	Special Weather Statement	JAN	Covington	32 min

Nearby

Tornado Warnings in Mississippi, 2012 Every tornado warning in 2012 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.