Alert archive / Mississippi / Tornado Warnings in 2009

Tornado Warning 113, NWS Jackson, MS

October 30, 2009Clarke County, Jasper County, Mississippi

NWS Jackson, MS issued this tornado warning at Oct 30, 2009, 5:44 PM CDT for Clarke County, Jasper County, Mississippi. It was in force for 21 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 30, 2009, 5:44 PM CDT (22:44 UTC)
Expired: Oct 30, 2009, 6:05 PM CDT
In force: 21 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Clarke County, MS, Jasper County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 106 km from the middle of the area, began a volume at 22:45 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 30, 12:22 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.7 hours before the alert went out and 116 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: 471 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 595 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 268 m²/s²
0-3 km storm-relative helicity: 311 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KJAN 302244
TORJAN
MSC023-061-302345-
/O.NEW.KJAN.TO.W.0113.091030T2244Z-091030T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
544 PM CDT FRI OCT 30 2009

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CLARKE COUNTY IN EAST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF QUITMAN...
  SOUTHEASTERN JASPER COUNTY IN EAST CENTRAL MISSISSIPPI...

* UNTIL 645 PM CDT

* AT 544 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HEIDELBERG
  MOVING NORTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  STAFFORD SPRINGS BY 550 PM CDT...
  PAULDING BY 555 PM CDT...
  BARNETT AND GOODWATER BY 600 PM CDT...
  ORANGE BY 610 PM CDT...
  STONEWALL AND QUITMAN BY 620 PM CDT...
  SABLE AND MIDDLETON BY 635 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 PROTECTIVE ACTION
NOW.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CDT FRIDAY EVENING FOR
EASTERN MISSISSIPPI.

&&

LAT...LON 3182 8893 3183 8913 3190 8915 3223 8887
      3223 8849
TIME...MOT...LOC 2244Z 219DEG 30KT 3188 8902

$$

BK

1 follow-up statement

000 
WWUS54 KJAN 302305
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
605 PM CDT FRI OCT 30 2009

MSC023-061-302315-
/O.CAN.KJAN.TO.W.0113.000000T0000Z-091030T2345Z/
CLARKE MS-JASPER MS-
605 PM CDT FRI OCT 30 2009

...THE TORNADO WARNING FOR SOUTHEASTERN JASPER AND NORTHWESTERN
CLARKE COUNTIES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CDT FRIDAY EVENING FOR
SOUTHEASTERN MISSISSIPPI.

LAT...LON 3182 8893 3183 8913 3190 8915 3223 8887
      3223 8849
TIME...MOT...LOC 2305Z 219DEG 30KT 3202 8889

$$

BK

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 30, 4:06 AM CDT	Lake Wind Advisory	JAN	Clarke, Clay, Covington, Forrest, Jasper, Jefferson Davis and 12 more	12 hr
Oct 30, 4:45 AM CDT	Flash Flood Warning	JAN	Bolivar, Washington	102 min
Oct 30, 10:06 AM CDT	River Flood Warning	JAN	Neshoba	48 hr
Oct 30, 10:07 AM CDT	River Flood Warning	JAN	Attala, Holmes	8 days
Oct 30, 10:08 AM CDT	River Flood Warning	JAN	Sunflower	6 days
Oct 30, 10:08 AM CDT	River Flood Warning	JAN	Sharkey	49 hr
Oct 30, 12:39 PM CDT	Tornado Warning	JAN	Covington, Jefferson Davis, Simpson, Smith	46 min
Oct 30, 12:47 PM CDT	River Flood Warning	JAN	Carroll, Leflore	47 hr
Oct 30, 1:03 PM CDT	Tornado Warning	JAN	Attala, Choctaw, Leake, Neshoba, Oktibbeha, Winston	57 min
Oct 30, 1:44 PM CDT	Tornado Warning	JAN	Lawrence, Lincoln	31 min
Oct 30, 1:53 PM CDT	Tornado Warning	JAN	Clay, Oktibbeha	67 min
Oct 30, 2:20 PM CDT	Tornado Warning	JAN	Kemper, Neshoba, Newton	55 min
Oct 30, 2:27 PM CDT	Tornado Warning	JAN	Jefferson Davis, Lawrence	40 min
Oct 30, 2:29 PM CDT	Tornado Warning	JAN	Kemper, Lauderdale, Neshoba, Newton	61 min
Oct 30, 2:36 PM CDT	Tornado Warning	JAN	Noxubee, Winston	54 min
Oct 30, 3:42 PM CDT	Tornado Warning	JAN	Lowndes, Noxubee	40 min
Oct 30, 3:50 PM CDT	Tornado Warning	JAN	Kemper, Lowndes, Noxubee	55 min

Nearby

Tornado Warnings in Mississippi, 2009 Every tornado warning in 2009 Tornadoes in 2009

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.