Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 367, NWS Jackson, MS

June 15, 2012Copiah County, Lincoln County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 15, 2012, 9:52 PM CDT for Copiah County, Lincoln County, Mississippi. It was in force for 38 min. 2 reports 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
Jun 15, 2012, 9:52 PM CDT (02:52 UTC)
Expired
Jun 15, 2012, 10:30 PM CDT
In force
38 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon

Counties Copiah County, MS, Lincoln County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 73 km from the middle of the area, began a volume at 02:53 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

TimeReportWhereRemark
Jun 15, 10:05 PM CDTTSTM WND GST 50Beauregard, MSONE TREE DOWNED
Jun 15, 10:05 PM CDTTSTM WND GST 50Wesson, MSONE TREE DOWNED

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 2.9 hours before the alert went out and 72 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-pSkew-T log-p diagram, Jackson, MS at 00:00Z on 2012-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1066 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2012-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1066 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1436 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
-11 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.

141 
WUUS54 KJAN 160252
SVRJAN
MSC029-085-160330-
/O.NEW.KJAN.SV.W.0367.120616T0252Z-120616T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
952 PM CDT FRI JUN 15 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN COPIAH COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF HAZLEHURST...
  NORTHEASTERN LINCOLN COUNTY IN SOUTH CENTRAL MISSISSIPPI...

* UNTIL 1030 PM CDT

* AT 952 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL...
  AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED
  NEAR WESSON MOVING NORTHWEST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WESSON BY 1000 PM CDT...
  MARTINSVILLE BY 1015 PM CDT...
  HAZLEHURST BY 1020 PM CDT...
  GLANCY AND HAZLEHURST BY 1025 PM CDT...
  BARLOW BY 1030 PM CDT...

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.

THE HAIL BEING PRODUCED BY THIS SEVERE THUNDERSTORM WILL LIKELY
DAMAGE CARS AND ROOFS. PEOPLE WHO ARE OUT OF DOORS SHOULD MOVE INSIDE
A STRUCTURE IMMEDIATELY.

&&

LAT...LON 3185 9071 3187 9040 3171 9025 3156 9031
TIME...MOT...LOC 0252Z 135DEG 18KT 3168 9036

$$

40
2 follow-up statements
570 
WWUS54 KJAN 160320
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1020 PM CDT FRI JUN 15 2012

MSC085-160329-
/O.CAN.KJAN.SV.W.0367.000000T0000Z-120616T0330Z/
LINCOLN MS-
1020 PM CDT FRI JUN 15 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LINCOLN COUNTY IS
CANCELLED...

LAT...LON 3170 9050 3185 9071 3187 9040 3170 9025
TIME...MOT...LOC 0319Z 135DEG 18KT 3178 9047

$$

MSC029-160330-
/O.CON.KJAN.SV.W.0367.000000T0000Z-120616T0330Z/
COPIAH MS-
1020 PM CDT FRI JUN 15 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR SOUTHWESTERN COPIAH COUNTY...

AT 1019 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 MARTINSVILLE MOVING NORTHWEST AT 20 MPH. THE STORM 
WAS SLOWLY WEAKENING AND THE WARNING SHOULD EXPIRE ON TIME.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  GLANCY AND BARLOW BY 1030 PM CDT...

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 3170 9050 3185 9071 3187 9040 3170 9025
TIME...MOT...LOC 0319Z 135DEG 18KT 3178 9047

$$

40
288 
WWUS54 KJAN 160327
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1027 PM CDT FRI JUN 15 2012

MSC029-160337-
/O.EXP.KJAN.SV.W.0367.000000T0000Z-120616T0330Z/
COPIAH MS-
1027 PM CDT FRI JUN 15 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN COPIAH COUNTY
WILL EXPIRE AT 1030 PM CDT...

THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS WEAKENED 
BELOW SEVERE LIMITS 5 MILES SOUTHWEST OF MARTINSVILLE AND THE 
WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3170 9050 3185 9071 3187 9040 3170 9025
TIME...MOT...LOC 0327Z 122DEG 17KT 3178 9047

$$

40

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 7:16 PM CDTSevere Thunderstorm WarningJANClaiborne19 min
Jun 15, 9:46 PM CDTSpecial Weather StatementJANLincoln29 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2012Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.