Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 199, NWS Jackson, MS

September 5, 2011Smith County, Mississippi

NWS Jackson, MS issued this tornado warning at Sep 5, 2011, 3:13 AM CDT for Smith County, Mississippi. It was in force for 32 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: Sep 5, 2011, 3:13 AM CDT (08:13 UTC)
Expired: Sep 5, 2011, 3:45 AM CDT
In force: 32 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 61 km from the middle of the area, began a volume at 08:16 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.

What was reported inside it

Time	Report	Where	Remark
Sep 5, 3:21 AM CDT	TORNADO	Raleigh, MS	POSSIBLE TORNADO...NUMEROUS TREES DOWN IN RALEIGH AREA

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
Sep 4, 9:42 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 8.2 hours before the alert went out and 71 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: 311 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 678 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 213 m²/s²
0-3 km storm-relative helicity: 277 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

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

526 
WFUS54 KJAN 050813
TORJAN
MSC129-050845-
/O.NEW.KJAN.TO.W.0199.110905T0813Z-110905T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
313 AM CDT MON SEP 5 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN SMITH COUNTY IN CENTRAL MISSISSIPPI...

* UNTIL 345 AM CDT

* AT 313 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PINEVILLE
  MOVING NORTH AT 30 MPH.

* THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE
  INDICATED COUNTY.

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 AM CDT MONDAY MORNING FOR
EASTERN MISSISSIPPI.

&&

LAT...LON 3194 8935 3196 8955 3222 8951 3223 8932
      3203 8932
TIME...MOT...LOC 0813Z 186DEG 28KT 3209 8941

$$

BYB

1 follow-up statement

315 
WWUS54 KJAN 050844
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
344 AM CDT MON SEP 5 2011

MSC129-050854-
/O.EXP.KJAN.TO.W.0199.000000T0000Z-110905T0845Z/
SMITH MS-
344 AM CDT MON SEP 5 2011

...THE TORNADO WARNING FOR NORTHEASTERN SMITH COUNTY WILL EXPIRE AT
345 AM CDT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 AM CDT MONDAY MORNING FOR
EASTERN MISSISSIPPI.

LAT...LON 3194 8935 3196 8955 3222 8951 3223 8932
      3203 8932
TIME...MOT...LOC 0844Z 186DEG 28KT 3233 8938

$$

BYB

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 4, 7:16 PM CDT	Tornado Warning	JAN	Forrest	59 min
Sep 4, 7:53 PM CDT	Tornado Warning	JAN	Forrest	37 min
Sep 4, 8:00 PM CDT	Tornado Warning	JAN	Covington	30 min
Sep 4, 8:55 PM CDT	Tornado Warning	JAN	Jasper, Jones, Smith	54 min
Sep 4, 8:56 PM CDT	Tornado Warning	JAN	Covington, Smith	49 min
Sep 4, 9:20 PM CDT	Flash Flood Warning	JAN	Hinds, Issaquena, Jasper, Madison, Newton, Rankin and 5 more	3 hr
Sep 4, 9:44 PM CDT	Tornado Warning	JAN	Jasper, Smith	46 min
Sep 4, 9:50 PM CDT	Tornado Warning	JAN	Jasper, Jones, Smith	25 min
Sep 4, 10:21 PM CDT	Flash Flood Warning	JAN	Claiborne, Copiah, Covington, Jefferson, Jefferson Davis, Lawrence and 2 more	3 hr
Sep 4, 10:39 PM CDT	Tornado Warning	JAN	Smith	36 min
Sep 5, 12:01 AM CDT	Tornado Warning	JAN	Leake, Scott	59 min
Sep 5, 12:14 AM CDT	Flash Flood Warning Emergency	JAN	Hinds, Issaquena, Jasper, Leake, Madison, Neshoba and 6 more	6 hr
Sep 5, 12:33 AM CDT	Tornado Warning	JAN	Newton	42 min
Sep 5, 12:59 AM CDT	Tornado Warning	JAN	Leake, Neshoba	61 min
Sep 5, 1:00 AM CDT	Flash Flood Warning	JAN	Copiah, Lawrence, Lincoln, Simpson	6 hr
Sep 5, 1:42 AM CDT	Tornado Warning	JAN	Rankin	33 min
Sep 5, 2:24 AM CDT	Flash Flood Warning	JAN	Attala, Carroll, Choctaw, Holmes, Montgomery, Webster and 2 more	6 hr
Sep 5, 2:35 AM CDT	Tornado Warning	JAN	Jasper, Smith	40 min
Sep 5, 2:54 AM CDT	Special Weather Statement	JAN	Neshoba	46 min
Sep 5, 2:58 AM CDT	Tornado Warning	JAN	Newton, Scott	47 min
Sep 5, 3:02 AM CDT	Tornado Warning	JAN	Neshoba	43 min
Sep 5, 3:35 AM CDT	Flash Flood Warning	JAN	Kemper, Neshoba, Newton, Noxubee, Winston	4 hr
Sep 5, 4:01 AM CDT	Tornado Warning	JAN	Scott	30 min
Sep 5, 4:37 AM CDT	Flash Flood Warning	JAN	Carroll, Grenada, Montgomery, Webster	3 hr
Sep 5, 4:42 AM CDT	River Flood Warning	JAN	Hinds, Rankin	7 days
Sep 5, 4:52 AM CDT	Tornado Warning	JAN	Leake, Neshoba, Newton, Scott	22 min
Sep 5, 5:01 AM CDT	Tornado Warning	JAN	Kemper, Noxubee	59 min
Sep 5, 5:34 AM CDT	Tornado Warning	JAN	Scott	25 min
Sep 5, 6:10 AM CDT	Flash Flood Warning	JAN	Attala, Copiah, Hinds, Holmes, Jasper, Leake and 9 more	110 min
Sep 5, 6:29 AM CDT	Flash Flood Warning	JAN	Clay, Kemper, Lowndes, Noxubee, Oktibbeha, Webster	2 hr
Sep 5, 7:29 AM CDT	Flash Flood Warning	JAN	Kemper, Lauderdale, Neshoba, Newton, Noxubee, Oktibbeha and 1 more	2 hr
Sep 5, 7:51 AM CDT	Flash Flood Warning	JAN	Attala, Hinds, Holmes, Leake, Madison, Neshoba and 6 more	114 min
Sep 5, 8:25 AM CDT	Flash Flood Warning	JAN	Attala, Carroll, Choctaw, Grenada, Montgomery, Webster and 1 more	2 hr
Sep 5, 8:31 AM CDT	Flash Flood Warning	JAN	Clay, Kemper, Lauderdale, Lowndes, Neshoba, Newton and 3 more	4 hr
Sep 5, 8:38 AM CDT	Flash Flood Warning	JAN	Covington, Jefferson Davis, Lamar, Lawrence, Marion	2 hr
Sep 5, 9:41 AM CDT	River Flood Warning	JAN	Leake	6 days
Sep 5, 9:41 AM CDT	River Flood Warning	JAN	Leake	7 days
Sep 5, 9:41 AM CDT	River Flood Warning	JAN	Leake	4 days
Sep 5, 9:41 AM CDT	River Flood Warning	JAN	Attala	31 hr
Sep 5, 9:41 AM CDT	River Flood Warning	JAN	Leake	31 hr
Sep 5, 9:44 AM CDT	Flash Flood Warning	JAN	Covington, Forrest, Jones, Lamar	3 hr
Sep 5, 9:47 AM CDT	Flash Flood Warning	JAN	Copiah, Leake, Madison, Neshoba, Newton, Rankin and 2 more	118 min
Sep 5, 10:46 AM CDT	River Flood Warning	JAN	Copiah, Simpson	8 days
Sep 5, 10:46 AM CDT	River Flood Warning	JAN	Lawrence	10 days
Sep 5, 10:46 AM CDT	River Flood Warning	JAN	Marion	3 days
Sep 5, 10:46 AM CDT	River Flood Warning	JAN	Simpson	30 hr
Sep 5, 11:18 AM CDT	River Flood Warning	JAN	Noxubee	23 hr
Sep 5, 11:18 AM CDT	River Flood Warning	JAN	Lowndes	10 hr
Sep 5, 11:19 AM CDT	River Flood Warning	JAN	Clay, Lowndes	10 hr
Sep 5, 11:22 AM CDT	Areal Flood Warning	JAN	Copiah, Hinds, Jefferson Davis, Lawrence, Lincoln, Madison and 2 more	24 hr
Sep 5, 11:31 AM CDT	Flash Flood Warning	JAN	Leake, Neshoba, Newton, Scott, Smith	3 hr
Sep 5, 2:38 PM CDT	Areal Flood Warning	JAN	Leake, Neshoba, Newton, Scott	8 hr

Nearby

Tornado Warnings in Mississippi, 2011 Every tornado warning in 2011 Tornadoes in 2011

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; radar from the NEXRAD Level II archive.