Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 101, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 11, 2012, 11:27 PM CDT for 4 counties in Mississippi. It was in force for 40 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
- Jun 11, 2012, 11:27 PM CDT (04:27 UTC)
- Expired
- Jun 12, 2012, 12:07 AM CDT
- In force
- 40 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties George County, MS, Greene County, MS, Perry County, MS, Stone County, MS
The radar
The Mobile radar (KMOB), 87 km from the middle of the area, began a volume at 04:28 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 11, 8:37 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 4.5 hours before the alert went out and 82 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
- 3962 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 794 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
031
WUUS54 KMOB 120427
SVRMOB
MSC039-041-111-131-120530-
/O.NEW.KMOB.SV.W.0101.120612T0427Z-120612T0530Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1127 PM CDT MON JUN 11 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHWESTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
STONE COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 1230 AM CDT
* AT 1123 PM CDT...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF
PRODUCING DAMAGING WINDS OVER 60 MPH WERE LOCATED ALONG A LINE
EXTENDING FROM 13 MILES NORTHWEST OF LUCEDALE TO 15 MILES WEST OF
WIGGINS...AND MOVING SOUTH AT 25 MPH.
* LOCATIONS IMPACTED INCLUDE...
WIGGINS... PERKINSTON... MCHENRY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT
TUESDAY MORNING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3091 8935 3092 8934 3091 8915 3100 8914
3109 8881 3073 8878 3073 8888 3067 8889
3067 8923 3064 8924 3064 8934 3065 8935
TIME...MOT...LOC 0426Z 345DEG 23KT 3101 8877 3089 8938
$$1 follow-up statement
445
WWUS54 KMOB 120507
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1207 AM CDT TUE JUN 12 2012
MSC039-041-111-131-120517-
/O.CAN.KMOB.SV.W.0101.000000T0000Z-120612T0530Z/
STONE MS-PERRY MS-GREENE MS-GEORGE MS-
1207 AM CDT TUE JUN 12 2012
...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR WESTERN
GEORGE...SOUTHWESTERN GREENE...SOUTHERN PERRY AND STONE COUNTIES...
AT 1205 AM CDT...THE STORM THAT PROMPTED THE WARNING FOR WESTERN
GEORGE...SOUTHWESTERN GREENE...SOUTHERN PERRY AND STONE COUNTIES HAS
WEAKENED TO BELOW SEVERE LIMITS. THUS THE SEVERE THUNDERSTORM WARNING
HAS BEEN CANCELLED.
LAT...LON 3091 8935 3092 8934 3091 8915 3100 8914
3109 8881 3073 8878 3073 8888 3067 8889
3067 8923 3064 8924 3064 8934 3065 8935
TIME...MOT...LOC 0507Z 345DEG 23KT 3076 8869 3064 8930
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 9:10 PM CDT | Severe Thunderstorm Warning | MOB | Wayne | 65 min |
| Jun 11, 10:27 PM CDT | Severe Thunderstorm Warning | MOB | Greene, Perry, Wayne | 63 min |
| Jun 11, 11:05 PM CDT | Severe Thunderstorm Warning | MOB | George, Greene | 55 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.