Alert archive / Mississippi / Tornado Warnings in 2012

Tornado Warning 83, NWS Jackson, MS

October 18, 2012Hinds County, Mississippi

NWS Jackson, MS issued this tornado warning at Oct 18, 2012, 1:03 AM CDT for Hinds County, Mississippi. It was in force for 12 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: Oct 18, 2012, 1:03 AM CDT (06:03 UTC)
Expired: Oct 18, 2012, 1:15 AM CDT
In force: 12 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Hinds County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 23 km from the middle of the area, began a volume at 06:05 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
Oct 17, 7:01 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 6.1 hours before the alert went out and 14 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: 229 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1020 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 157 m²/s²
0-3 km storm-relative helicity: 316 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

719 
WFUS54 KJAN 180603
TORJAN
MSC049-180645-
/O.NEW.KJAN.TO.W.0083.121018T0603Z-121018T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
103 AM CDT THU OCT 18 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL HINDS COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...JACKSON...CLINTON...

* UNTIL 145 AM CDT

* AT 103 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BOLTON
  MOVING EAST AT 40 MPH.

* THE TORNADO WILL BE NEAR...
  CLINTON BY 110 AM CDT...
  JACKSON BY 120 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 PROTECTIVE ACTION
NOW.

&&

LAT...LON 3233 9047 3242 9044 3239 9009 3236 9010
      3236 9011 3235 9011 3232 9016 3229 9016
      3227 9019 3227 9018 3224 9021
TIME...MOT...LOC 0603Z 282DEG 36KT 3236 9039

$$

BYB

1 follow-up statement

933 
WWUS54 KJAN 180615
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
115 AM CDT THU OCT 18 2012

MSC049-180626-
/O.CAN.KJAN.TO.W.0083.000000T0000Z-121018T0645Z/
HINDS MS-
115 AM CDT THU OCT 18 2012

...THE TORNADO WARNING FOR EAST CENTRAL HINDS COUNTY IS CANCELLED...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT THURSDAY MORNING
FOR NORTHEAST LOUISIANA AND MISSISSIPPI.

LAT...LON 3233 9047 3242 9044 3239 9009 3236 9010
      3236 9011 3235 9011 3232 9016 3229 9016
      3227 9019 3227 9018 3224 9021
TIME...MOT...LOC 0616Z 282DEG 36KT 3233 9024

$$

BYB

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 17, 8:41 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar	64 min
Oct 17, 8:48 PM CDT	Tornado Warning	JAN	Bolivar	41 min
Oct 17, 9:02 PM CDT	Tornado Warning	JAN	Bolivar	43 min
Oct 17, 9:07 PM CDT	Severe Thunderstorm Warning	JAN	Sunflower	53 min
Oct 17, 9:13 PM CDT	Tornado Warning	JAN	Sunflower	33 min
Oct 17, 9:41 PM CDT	Tornado Warning	JAN	Washington	30 min
Oct 17, 9:57 PM CDT	Severe Thunderstorm Warning	JAN	Grenada	63 min
Oct 17, 10:05 PM CDT	Tornado Warning	JAN	Grenada	40 min
Oct 17, 10:09 PM CDT	Tornado Warning	JAN	Leflore	36 min
Oct 17, 10:25 PM CDT	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Issaquena, Sharkey, Yazoo	65 min
Oct 17, 10:29 PM CDT	Severe Thunderstorm Warning	JAN	Carroll	31 min
Oct 17, 10:37 PM CDT	Tornado Warning	JAN	Holmes, Humphreys, Sharkey, Yazoo	53 min
Oct 17, 10:45 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Webster	60 min
Oct 17, 11:13 PM CDT	Tornado Warning	JAN	Holmes, Yazoo	47 min
Oct 17, 11:27 PM CDT	Tornado Warning	JAN	Yazoo	48 min
Oct 17, 11:36 PM CDT	Tornado Warning	JAN	Attala, Madison	39 min
Oct 17, 11:40 PM CDT	Severe Thunderstorm Warning	JAN	Clay, Lowndes, Oktibbeha	65 min
Oct 17, 11:49 PM CDT	Severe Thunderstorm Warning	JAN	Madison	56 min
Oct 17, 11:59 PM CDT	Tornado Warning	JAN	Madison, Rankin	46 min
Oct 18, 12:03 AM CDT	Tornado Warning	JAN	Leake, Scott	57 min
Oct 18, 12:50 AM CDT	Tornado Warning	JAN	Neshoba, Newton, Scott	55 min
Oct 18, 1:02 AM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Copiah, Jefferson, Lincoln	58 min
Oct 18, 1:07 AM CDT	Severe Thunderstorm Warning	JAN	Noxubee	38 min
Oct 18, 1:27 AM CDT	Tornado Warning	JAN	Clarke, Lauderdale	63 min
Oct 18, 1:41 AM CDT	Tornado Warning	JAN	Kemper, Lauderdale	34 min
Oct 18, 1:44 AM CDT	Severe Thunderstorm Warning	JAN	Rankin	15 min
Oct 18, 1:49 AM CDT	Severe Thunderstorm Warning	JAN	Franklin, Jefferson, Lincoln	56 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.