Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 44, NWS Mobile, AL

April 3, 20125 counties in Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Apr 3, 2012, 10:25 PM CDT for 5 counties in Mississippi. It was in force for 50 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
Apr 3, 2012, 10:25 PM CDT (03:25 UTC)
Expired
Apr 3, 2012, 11:15 PM CDT
In force
50 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 88 km from the middle of the area, began a volume at 03:28 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
Apr 3, 10:42 PM CDTTSTM WND DMG4 Ne New Augusta, MSTREES REPORTED BLOWN DOWN 4 MILES NE OF NEW AUGUSTA MISSISSIPPI.

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 3.4 hours before the alert went out and 125 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, Slidell Radar S, LA at 00:00Z on 2012-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2379 joules per kilogram.LCLEL10008507005003002001001 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, Slidell Radar S, LA at 00:00Z on 2012-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
2379 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1042 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
70 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.

026 
WUUS54 KMOB 040325
SVRMOB
MSC039-041-111-131-153-040415-
/O.NEW.KMOB.SV.W.0044.120404T0325Z-120404T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1025 PM CDT TUE APR 3 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
  GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
  PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
  NORTHERN STONE COUNTY IN SOUTHEAST MISSISSIPPI...
  WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 1115 PM CDT

* AT 1021 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF
  PRODUCING DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE
  EXTENDING FROM 14 MILES NORTHWEST OF WAYNESBORO TO 6 MILES NORTH OF
  RICHTON TO 17 MILES SOUTH OF RICHTON TO 9 MILES NORTHWEST OF
  WIGGINS...AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WAYNESBORO...         STATE LINE...         CLARA...
  BUCKATUNNA...         MCLAIN...             LEAKESVILLE...
  RICHTON...            NEW AUGUSTA...        BEAUMONT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRONG TO SEVERE WINDS WILL LIKELY OCCUR OUT AHEAD OF THE INITIAL 
THUNDERSTORM ACTIVITY. PREPARE FOR DAMAGING WINDS. PEOPLE OUTSIDE 
SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER...CALL (800) 284-9059.

&&

LAT...LON 3092 8933 3092 8914 3111 8915 3115 8911
      3144 8901 3144 8895 3182 8894 3182 8847
      3125 8844 3093 8850 3074 8876 3083 8935
TIME...MOT...LOC 0325Z 293DEG 28KT 3176 8881 3143 8888
          3111 8899 3095 8920

$$
1 follow-up statement
767 
WWUS54 KMOB 040357
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1057 PM CDT TUE APR 3 2012

MSC039-041-111-131-153-040415-
/O.CON.KMOB.SV.W.0044.000000T0000Z-120404T0415Z/
WAYNE MS-STONE MS-PERRY MS-GREENE MS-GEORGE MS-
1057 PM CDT TUE APR 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR GEORGE...GREENE...PERRY...NORTHEASTERN STONE AND WAYNE
COUNTIES...

AT 1054 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM
WAYNESBORO TO 14 MILES NORTH OF LEAKESVILLE TO 11 MILES NORTHWEST OF
LUCEDALE TO 11 MILES EAST OF WIGGINS...MOVING SOUTHEAST AT 30 MPH.

NUMEROUS TREES HAVE BEEN REPORTED DOWN 4 MILES NORTHEAST OF NEW 
AUGUSTA. 

LOCATIONS IMPACTED INCLUDE...
  WAYNESBORO...         STATE LINE...         CLARA...
  BUCKATUNNA...         MCLAIN...             LEAKESVILLE...
  RICHTON...            NEW AUGUSTA...        BEAUMONT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE WINDS NEAR 60 MPH ARE ALSO OCCURRING WELL AHEAD OF THE 
THUNDERSTORM ACTIVITY. PREPARE FOR DAMAGING WINDS. PEOPLE OUTSIDE 
SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER...CALL (800) 284-9059.

&&

LAT...LON 3115 8911 3144 8901 3144 8895 3182 8894
      3182 8847 3125 8844 3093 8850 3074 8876
      3079 8908 3111 8915
TIME...MOT...LOC 0357Z 293DEG 28KT 3167 8863 3133 8861
          3101 8872 3085 8893

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 3, 11:07 PM CDTSevere Thunderstorm WarningMOBGeorge, Greene, Wayne38 min
Apr 4, 10:38 AM CDTRiver Flood WarningMOBGeorge, Greene, Perry48 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.