Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 118, NWS Mobile, AL

July 3, 2012Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jul 3, 2012, 5:22 PM CDT for Stone County, Mississippi. It was in force for 29 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: Jul 3, 2012, 5:22 PM CDT (22:22 UTC)
Expired: Jul 3, 2012, 5:51 PM CDT
In force: 29 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Stone County, MS

The radar

The Mobile radar (KMOB), 91 km from the middle of the area, began a volume at 22:22 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

Slidell Radar S, LA (KSIL), launched 12:00Z, 10.4 hours before the alert went out and 76 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: 1652 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 1075 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 51 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.

911 
WUUS54 KMOB 032222
SVRMOB
MSC131-032315-
/O.NEW.KMOB.SV.W.0118.120703T2222Z-120703T2315Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 615 PM CDT

* AT 517 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
  SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 7 MILES SOUTH
  OF WIGGINS...OR NEAR PERKINSTON...AND MOVING SOUTH AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WIGGINS...            PERKINSTON...         MCHENRY...

LAT...LON 3091 8935 3092 8934 3091 8888 3073 8888
      3067 8889 3067 8923 3064 8924 3064 8934
      3065 8935
TIME...MOT...LOC 2221Z 015DEG 3KT 3076 8915

$$

1 follow-up statement

588 
WWUS54 KMOB 032251
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
551 PM CDT TUE JUL 3 2012

MSC131-032301-
/O.CAN.KMOB.SV.W.0118.000000T0000Z-120703T2315Z/
STONE MS-
551 PM CDT TUE JUL 3 2012

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR STONE
COUNTY...

AT 549 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR STONE COUNTY
HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE THUNDERSTORM
WARNING HAS BEEN CANCELLED.

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

LAT...LON 3091 8935 3092 8934 3091 8888 3073 8888
      3067 8889 3067 8923 3064 8924 3064 8934
      3065 8935
TIME...MOT...LOC 2251Z 015DEG 3KT 3074 8916

$$

Nearby

Severe Thunderstorm Warnings in Mississippi, 2012 Every 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.