Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 3, NWS Mobile, AL

January 26, 2012George County, Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jan 26, 2012, 8:36 AM CST for George County, Stone County, Mississippi. It was in force for 39 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
Jan 26, 2012, 8:36 AM CST (14:36 UTC)
Expired
Jan 26, 2012, 9:15 AM CST
In force
39 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties George County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 62 km from the middle of the area, began a volume at 14:38 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.

IssuedProductOfficeLasted
Jan 26, 4:18 AM CSTTornado WatchSPC7 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 2.6 hours before the alert went out and 100 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 12:00Z on 2012-01-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1176 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, Slidell Radar S, LA at 12:00Z on 2012-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 354 square meters per square second.19395878Sfc1 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
1176 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
461 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
354 m²/s²
0-3 km storm-relative helicity
359 m²/s²
Significant tornado parameter
2.6
Supercell composite
10.4

Open this sounding in Storm Lab

The text

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

879 
WUUS54 KMOB 261436
SVRMOB
MSC039-131-261515-
/O.NEW.KMOB.SV.W.0003.120126T1436Z-120126T1515Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
836 AM CST THU JAN 26 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
  EASTERN STONE COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 915 AM CST

* AT 834 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 13 MILES SOUTHEAST OF WIGGINS TO 14 MILES NORTH OF BILOXI TO 4
  MILES NORTH OF BILOXI TO 7 MILES SOUTHEAST OF GULFPORT...AND MOVING
  NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PERKINSTON...         MCHENRY...            LUCEDALE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3084 8911 3090 8882 3099 8878 3092 8842
      3073 8841 3073 8888 3067 8889 3067 8915
      3073 8919
TIME...MOT...LOC 1436Z 231DEG 42KT 3073 8898 3063 8899
          3048 8892 3031 8900

$$
2 follow-up statements
614 
WWUS54 KMOB 261502
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
902 AM CST THU JAN 26 2012

MSC039-131-261515-
/O.CON.KMOB.SV.W.0003.000000T0000Z-120126T1515Z/
STONE MS-GEORGE MS-
902 AM CST THU JAN 26 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CST
FOR GEORGE AND SOUTHEASTERN STONE COUNTIES...

AT 857 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM MERRILL TO BENNDALE TO DALE TO 13 MILES SOUTHWEST OF 
GIBSON LANDING TO 18 MILES SOUTH OF RUBLE...MOVING NORTHEAST AT 50 
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CROSSROADS...BEXLEY...CENTRAL...BARTON...WATERS LANDING...WARD...
VAUGHN...LATONIA...HOWELL...DEAN LANDING...SHIPMAN...MOVELLA...
EVANSTON AND AGRICOLA

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3090 8882 3099 8878 3092 8842 3073 8841
      3073 8888 3067 8889 3077 8894
TIME...MOT...LOC 1501Z 231DEG 42KT 3100 8870 3090 8872
          3081 8876 3064 8873 3055 8875

$$
438 
WWUS54 KMOB 261512
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
912 AM CST THU JAN 26 2012

MSC039-131-261522-
/O.EXP.KMOB.SV.W.0003.000000T0000Z-120126T1515Z/
STONE MS-GEORGE MS-
912 AM CST THU JAN 26 2012

...THE SEVERE THUNDERSTORM WARNING FOR GEORGE AND SOUTHEASTERN STONE
COUNTIES WILL EXPIRE AT 915 AM CST...

A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3090 8882 3099 8878 3092 8842 3073 8841
      3073 8888 3067 8889 3077 8894
TIME...MOT...LOC 1512Z 231DEG 42KT 3108 8858 3098 8860
          3089 8864 3072 8861 3063 8863

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 26, 7:51 AM CSTSevere Thunderstorm WarningMOBPerry54 min
Jan 26, 8:42 AM CSTSevere Thunderstorm WarningMOBWayne63 min
Jan 26, 8:56 AM CSTTornado WarningMOBWayne49 min
Jan 26, 9:15 AM CSTSevere Thunderstorm WarningMOBGreene38 min
Jan 26, 9:20 AM CSTTornado WarningMOBGreene40 min
Jan 26, 9:49 AM CSTAreal Flood AdvisoryMOBGeorge, Greene, Perry, Stone, Wayne116 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.