Alert archive / Mississippi / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 710, NWS Jackson, MS

December 22, 2011Jones County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Dec 22, 2011, 11:32 AM CST for Jones County, Mississippi. It was in force for 16 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: Dec 22, 2011, 11:32 AM CST (17:32 UTC)
Expired: Dec 22, 2011, 11:48 AM CST
In force: 16 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Jones County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 120 km from the middle of the area, began a volume at 17:33 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
Dec 22, 4:36 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 5.5 hours before the alert went out and 130 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: 46 J/kg
Mixed-layer CIN: -224 J/kg
Mixed-layer LCL: 598 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 198 m²/s²
0-3 km storm-relative helicity: 244 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

351 
WUUS54 KJAN 221732
SVRJAN
MSC067-221800-
/O.NEW.KJAN.SV.W.0710.111222T1732Z-111222T1800Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1132 AM CST THU DEC 22 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN JONES COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL NOON CST

* AT 1132 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES WEST OF OVETT MOVING
  NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TUCKERS CROSSING BY 1140 AM CST...
  MILL CREEK BY 1150 AM CST...

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.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM CST THURSDAY AFTERNOON
FOR SOUTHEASTERN MISSISSIPPI.

&&

LAT...LON 3144 8921 3180 8900 3180 8894 3144 8894
      3143 8895
TIME...MOT...LOC 1732Z 235DEG 45KT 3149 8909

$$

CME

1 follow-up statement

012 
WWUS54 KJAN 221748 RRA
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1148 AM CST THU DEC 22 2011

MSC067-221759-
/O.CAN.KJAN.SV.W.0710.000000T0000Z-111222T1800Z/
JONES MS-
1148 AM CST THU DEC 22 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN JONES COUNTY IS
CANCELLED...

THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS MOVED OUT
OF THE COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM CST THURSDAY AFTERNOON
FOR SOUTHEASTERN MISSISSIPPI.

LAT...LON 3144 8921 3180 8900 3180 8894 3144 8894
      3143 8895
TIME...MOT...LOC 1749Z 235DEG 45KT 3161 8888

$$

CME

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 22, 2:08 AM CST	Special Weather Statement	JAN	Yazoo	32 min
Dec 22, 3:38 AM CST	Dense Fog Advisory	JAN	Clarke, Covington, Forrest, Jasper, Jefferson Davis, Jones and 6 more	5 hr
Dec 22, 4:59 AM CST	Flash Flood Warning	JAN	Bolivar, Sunflower, Washington	3 hr
Dec 22, 5:09 AM CST	Flash Flood Watch	JAN	Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 25 more	7 hr
Dec 22, 6:04 AM CST	Flash Flood Warning	JAN	Carroll, Grenada, Humphreys, Leflore, Montgomery	3 hr
Dec 22, 8:01 AM CST	Special Weather Statement	JAN	Lincoln	29 min
Dec 22, 8:39 AM CST	Special Weather Statement	JAN	Lawrence	31 min
Dec 22, 8:49 AM CST	Severe Thunderstorm Warning	JAN	Copiah, Simpson	26 min
Dec 22, 8:59 AM CST	Severe Thunderstorm Warning	JAN	Lawrence, Lincoln	46 min
Dec 22, 9:15 AM CST	Severe Thunderstorm Warning	JAN	Jasper, Rankin, Simpson, Smith	45 min
Dec 22, 9:40 AM CST	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence, Marion	50 min
Dec 22, 10:11 AM CST	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis	49 min
Dec 22, 10:14 AM CST	Special Weather Statement	JAN	Newton, Smith	31 min
Dec 22, 10:22 AM CST	Severe Thunderstorm Warning	JAN	Lamar, Marion	53 min
Dec 22, 10:48 AM CST	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Newton	31 min
Dec 22, 10:52 AM CST	Severe Thunderstorm Warning	JAN	Clarke, Jasper	38 min
Dec 22, 11:09 AM CST	Severe Thunderstorm Warning	JAN	Forrest, Lamar	39 min
Dec 22, 11:25 AM CST	Severe Thunderstorm Warning	JAN	Clarke, Lauderdale	31 min
Dec 22, 11:56 AM CST	River Flood Advisory	JAN	Bolivar, Washington	10 min
Dec 22, 11:56 AM CST	River Flood Advisory	JAN	Issaquena, Washington	10 min
Dec 22, 11:56 AM CST	River Flood Advisory	JAN	Claiborne, Jefferson, Warren	10 min
Dec 22, 11:56 AM CST	River Flood Advisory	JAN	Adams, Wilkinson	10 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2011 Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.