Alert archive / Mississippi / Tornado Warnings in 2012
Tornado Warning 27, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at May 12, 2012, 11:44 AM CDT for Perry County, Stone County, Mississippi. It was in force for 46 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
- May 12, 2012, 11:44 AM CDT (16:44 UTC)
- Expired
- May 12, 2012, 12:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Perry County, MS, Stone County, MS
The radar
The Mobile radar (KMOB), 91 km from the middle of the area, began a volume at 16:44 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.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 4.7 hours before the alert went out and 90 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.
- Mixed-layer CAPE
- 1685 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 500 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.7
The text
As transmitted, in the capitals the NWS used until 2016.
742
WFUS54 KMOB 121644
TORMOB
MSC111-131-121730-
/O.NEW.KMOB.TO.W.0027.120512T1644Z-120512T1730Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1144 AM CDT SAT MAY 12 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHWESTERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
NORTH CENTRAL STONE COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 1230 PM CDT
* AT 1140 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 3 MILES WEST OF WIGGINS...OR 6 MILES NORTHWEST
OF PERKINSTON...MOVING NORTHEAST AT 20 MPH.
* LOCATIONS IMPACTED INCLUDE...
WIGGINS...
LAT...LON 3092 8921 3091 8915 3097 8914 3103 8907
3087 8895 3079 8920 3087 8926
TIME...MOT...LOC 1644Z 234DEG 19KT 3087 8916
$$2 follow-up statements
035
WWUS54 KMOB 121651
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1151 AM CDT SAT MAY 12 2012
MSC111-131-121730-
/O.CON.KMOB.TO.W.0027.000000T0000Z-120512T1730Z/
STONE MS-PERRY MS-
1151 AM CDT SAT MAY 12 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR
SOUTHWESTERN PERRY AND NORTH CENTRAL STONE COUNTIES...
AT 1149 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 2 MILES NORTH OF WIGGINS...OR 7 MILES NORTH OF
PERKINSTON...MOVING NORTHEAST AT 20 MPH.
LOCATIONS IMPACTED INCLUDE...
WIGGINS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.
&&
LAT...LON 3083 8917 3089 8922 3092 8921 3091 8915
3097 8914 3103 8907 3090 8897
TIME...MOT...LOC 1651Z 232DEG 17KT 3089 8914
$$972
WWUS54 KMOB 121717
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1217 PM CDT SAT MAY 12 2012
MSC131-121725-
/O.CAN.KMOB.TO.W.0027.000000T0000Z-120512T1730Z/
STONE MS-
1217 PM CDT SAT MAY 12 2012
...THE TORNADO WARNING HAS BEEN CANCELLED FOR NORTH CENTRAL STONE
COUNTY...
AT 1212 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTH
CENTRAL STONE COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE TORNADO
WARNING HAS BEEN CANCELLED.
LAT...LON 3098 8912 3103 8907 3096 8901 3093 8899
3092 8899 3091 8907 3091 8914 3093 8914
TIME...MOT...LOC 1715Z 232DEG 17KT 3096 8904
$$
MSC111-121730-
/O.CON.KMOB.TO.W.0027.000000T0000Z-120512T1730Z/
PERRY MS-
1217 PM CDT SAT MAY 12 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR
SOUTHWESTERN PERRY COUNTY...
AT 1212 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 8 MILES NORTHEAST OF WIGGINS...OR 13 MILES NORTHEAST OF
PERKINSTON...MOVING NORTHEAST AT 20 MPH.
LOCATIONS IMPACTED INCLUDE...
RURAL SOUTHWESTERN PERRY COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DAMAGING HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
&&
LAT...LON 3098 8912 3103 8907 3096 8901 3093 8899
3092 8899 3091 8907 3091 8914 3093 8914
TIME...MOT...LOC 1715Z 232DEG 17KT 3096 8904
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 11:20 AM CDT | Severe Thunderstorm Warning | MOB | Stone | 40 min |
| May 12, 12:23 PM CDT | Severe Thunderstorm Warning | MOB | Perry | 52 min |
| May 12, 12:31 PM CDT | Severe Thunderstorm Warning | MOB | Greene | 59 min |
| May 12, 12:55 PM CDT | Tornado Warning | MOB | Greene | 50 min |
Nearby
Tornado Warnings in Mississippi, 2012Every tornado warning in 2012Tornadoes 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.