Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 4, NWS Jackson, MS

January 8, 2012Leake County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jan 8, 2012, 8:42 PM CST for Leake County, Mississippi. It was in force for 48 min. 3 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
Jan 8, 2012, 8:42 PM CST (02:42 UTC)
Expired
Jan 8, 2012, 9:30 PM CST
In force
48 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon

County Leake County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 69 km from the middle of the area, began a volume at 02:44 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
Jan 8, 8:50 PM CSTTSTM WND DMGLena, MSROOF PARTIALLY BLOWN OFF A HOUSE. METAL ON POWER LINES IN THE CITY OF LENA.
Jan 8, 8:50 PM CSTHAIL 1Lena, MS
Jan 8, 9:06 PM CSTTSTM WND DMG4 Se Carthage, MSTREES DOWN ALONG HIGHWAY 488 NEAR FREENY

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, 2.7 hours before the alert went out and 74 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 2012-01-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 584 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 2012-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 square meters per square second.1939587897Sfc1 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
584 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
672 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

704 
WUUS54 KJAN 090242
SVRJAN
MSC079-090330-
/O.NEW.KJAN.SV.W.0004.120109T0242Z-120109T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
842 PM CST SUN JAN 8 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LEAKE COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF EDINBURG...

* UNTIL 930 PM CST

* AT 840 PM CST...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 7
  MILES SOUTHWEST OF TUSCOLA MOVING NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LENA BY 850 PM CST...
  TUSCOLA BY 855 PM CST...
  STANDING PINE BY 905 PM CST
  MADDEN BY 915 PM CST...
  EDINBURG BY 930 PM 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.

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 3284 8933 3258 8933 3258 8940 3258 8972
TIME...MOT...LOC 0240Z 229DEG 25KT 3254 8961

$$

40
1 follow-up statement
637 
WWUS54 KJAN 090310
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
910 PM CST SUN JAN 8 2012

MSC079-090330-
/O.CON.KJAN.SV.W.0004.000000T0000Z-120109T0330Z/
LEAKE MS-
910 PM CST SUN JAN 8 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CST
FOR SOUTHEASTERN LEAKE COUNTY...

AT 910 PM CST...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
STANDING PINE MOVING NORTHEAST AT 25 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  MADDEN BY 915 PM CST...
  EDINBURG BY 925 PM 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.

&&

LAT...LON 3258 8933 3267 8959 3284 8933
TIME...MOT...LOC 0310Z 230DEG 26KT 3270 8945

$$

40

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 8, 7:06 PM CSTFlash Flood WarningJANCovington26 days
Jan 8, 8:03 PM CSTSpecial Weather StatementJANJones42 min
Jan 8, 8:08 PM CSTSpecial Weather StatementJANScott42 min
Jan 8, 8:13 PM CSTSevere Thunderstorm WarningJANRankin, Scott47 min
Jan 8, 9:08 PM CSTSpecial Weather StatementJANJones27 min
Jan 8, 9:29 PM CSTSevere Thunderstorm WarningJANLeake, Neshoba31 min
Jan 8, 10:04 PM CSTSevere Thunderstorm WarningJANWinston41 min
Jan 8, 10:32 PM CSTSpecial Weather StatementJANLeake28 min
Jan 8, 11:00 PM CSTSevere Thunderstorm WarningJANWinston45 min
Jan 8, 11:07 PM CSTSpecial Weather StatementJANClarke28 min
Jan 8, 11:10 PM CSTSpecial Weather StatementJANNoxubee30 min
Jan 9, 5:04 AM CSTDense Fog AdvisoryJANAdams, Attala, Carroll, Choctaw, Claiborne, Clay and 33 more5 hr

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.