Alert archive / Mississippi / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 430, NWS Jackson, MS

June 8, 2011Covington County, Simpson County, Smith County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 8, 2011, 4:00 PM CDT for Covington County, Simpson County, Smith County, Mississippi. It was in force for 45 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: Jun 8, 2011, 4:00 PM CDT (21:00 UTC)
Expired: Jun 8, 2011, 4:45 PM CDT
In force: 45 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Covington County, MS, Simpson County, MS, Smith County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 56 km from the middle of the area, began a volume at 21:03 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

Jackson, MS (KJAN), launched 12:00Z, 9.0 hours before the alert went out and 64 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: 135 J/kg
Mixed-layer CIN: -171 J/kg
Mixed-layer LCL: 1311 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 8 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

013 
WUUS54 KJAN 082100
SVRJAN
MSC031-127-129-082145-
/O.NEW.KJAN.SV.W.0430.110608T2100Z-110608T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
400 PM CDT WED JUN 8 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN SIMPSON COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF MAGEE...
  SOUTH CENTRAL SMITH COUNTY IN CENTRAL MISSISSIPPI...
  NORTHWESTERN COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 445 PM CDT

* AT 400 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  MOUNT OLIVE MOVING NORTHWEST AT 15 MPH.

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

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.

&&

LAT...LON 3178 8976 3177 8987 3177 8994 3189 8994
      3193 8977 3200 8944 3177 8946 3172 8975
TIME...MOT...LOC 2100Z 140DEG 11KT 3179 8969

$$

JA

2 follow-up statements

570 
WWUS54 KJAN 082120
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
420 PM CDT WED JUN 8 2011

MSC031-127-129-082145-
/O.CON.KJAN.SV.W.0430.000000T0000Z-110608T2145Z/
COVINGTON MS-SMITH MS-SIMPSON MS-
420 PM CDT WED JUN 8 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR SOUTHEASTERN SIMPSON...SOUTH CENTRAL SMITH AND NORTHWESTERN
COVINGTON COUNTIES...

AT 420 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
MAGEE MOVING NORTHWEST AT 15 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SANATORIUM

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.

LAT...LON 3178 8976 3177 8981 3192 8982 3200 8944
      3177 8946 3175 8959 3173 8974
TIME...MOT...LOC 2120Z 140DEG 11KT 3184 8974

$$

074 
WWUS54 KJAN 082131
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
431 PM CDT WED JUN 8 2011

MSC031-082141-
/O.CAN.KJAN.SV.W.0430.000000T0000Z-110608T2145Z/
COVINGTON MS-
431 PM CDT WED JUN 8 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN COVINGTON COUNTY
IS CANCELLED...

LAT...LON 3182 8946 3181 8970 3193 8971 3200 8944
TIME...MOT...LOC 2131Z 140DEG 11KT 3187 8977

$$

MSC127-129-082145-
/O.CON.KJAN.SV.W.0430.000000T0000Z-110608T2145Z/
SMITH MS-SIMPSON MS-
431 PM CDT WED JUN 8 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR EAST CENTRAL SIMPSON AND SOUTH CENTRAL SMITH COUNTIES...

AT 431 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 12 MILES
WEST OF MIZE MOVING NORTHWEST AT 15 MPH.

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.

LAT...LON 3182 8946 3181 8970 3193 8971 3200 8944
TIME...MOT...LOC 2131Z 140DEG 11KT 3187 8977

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 7:04 PM CDT	Special Weather Statement	JAN	Newton	31 min
Jun 7, 7:50 PM CDT	Severe Thunderstorm Warning	JAN	Sunflower, Washington	40 min
Jun 8, 11:39 AM CDT	Special Weather Statement	JAN	Newton	41 min
Jun 8, 12:32 PM CDT	Special Weather Statement	JAN	Forrest	43 min
Jun 8, 12:57 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	48 min
Jun 8, 1:25 PM CDT	Special Weather Statement	JAN	Neshoba	30 min
Jun 8, 2:20 PM CDT	Special Weather Statement	JAN	Marion	20 min
Jun 8, 2:24 PM CDT	Special Weather Statement	JAN	Forrest	21 min
Jun 8, 2:32 PM CDT	Special Weather Statement	JAN	Clarke	18 min
Jun 8, 2:51 PM CDT	Special Weather Statement	JAN	Marion	29 min
Jun 8, 3:11 PM CDT	Special Weather Statement	JAN	Clarke	29 min
Jun 8, 3:16 PM CDT	Special Weather Statement	JAN	Jefferson Davis	29 min
Jun 8, 3:22 PM CDT	Severe Thunderstorm Warning	JAN	Clarke, Jasper	53 min
Jun 8, 3:39 PM CDT	Special Weather Statement	JAN	Lauderdale	31 min
Jun 8, 3:43 PM CDT	Severe Thunderstorm Warning	JAN	Clarke, Lauderdale	47 min
Jun 8, 3:51 PM CDT	Severe Thunderstorm Warning	JAN	Jasper	39 min
Jun 8, 4:17 PM CDT	Special Weather Statement	JAN	Smith	28 min
Jun 8, 4:19 PM CDT	Severe Thunderstorm Warning	JAN	Simpson, Smith	30 min
Jun 8, 4:21 PM CDT	Special Weather Statement	JAN	Scott	29 min
Jun 8, 4:27 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	48 min
Jun 8, 4:35 PM CDT	Severe Thunderstorm Warning	JAN	Scott	40 min
Jun 8, 4:45 PM CDT	Special Weather Statement	JAN	Clarke	30 min
Jun 8, 4:48 PM CDT	Special Weather Statement	JAN	Kemper	32 min
Jun 8, 4:56 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	49 min
Jun 8, 5:12 PM CDT	Special Weather Statement	JAN	Rankin	28 min
Jun 8, 5:36 PM CDT	Special Weather Statement	JAN	Rankin	29 min
Jun 8, 5:47 PM CDT	Severe Thunderstorm Warning	JAN	Franklin	15 min
Jun 8, 5:52 PM CDT	Special Weather Statement	JAN	Noxubee	33 min
Jun 8, 5:54 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	51 min
Jun 8, 6:00 PM CDT	Special Weather Statement	JAN	Copiah	30 min
Jun 8, 6:05 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin, Jefferson	28 min
Jun 8, 6:09 PM CDT	Special Weather Statement	JAN	Lowndes	31 min
Jun 8, 6:31 PM CDT	Special Weather Statement	JAN	Jefferson	29 min
Jun 8, 6:36 PM CDT	Special Weather Statement	JAN	Madison	29 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.