Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 209, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Dec 10, 2012, 9:23 AM CST for Perry County, Mississippi. It was in force for 52 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
- Dec 10, 2012, 9:23 AM CST (15:23 UTC)
- Expired
- Dec 10, 2012, 10:15 AM CST
- In force
- 52 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
County Perry County, MS
The radar
The Mobile radar (KMOB), 107 km from the middle of the area, began a volume at 15:25 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 |
|---|---|---|---|
| Dec 10, 8:51 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 3.4 hours before the alert went out and 135 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
- 767 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 488 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 237 m²/s²
- 0-3 km storm-relative helicity
- 263 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 7.9
The text
As transmitted, in the capitals the NWS used until 2016.
218
WUUS54 KMOB 101523
SVRMOB
MSC111-101615-
/O.NEW.KMOB.SV.W.0209.121210T1523Z-121210T1615Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
923 AM CST MON DEC 10 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 1015 AM CST
* AT 920 AM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WERE LOCATED FROM 5 MILES SOUTHEAST OF
ELLISVILLE TO 17 MILES SOUTH OF WEST HATTIESBURG...AND MOVING
EAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
RICHTON... NEW AUGUSTA...
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3143 8915 3144 8914 3144 8903 3143 8887
3112 8894 3107 8915
TIME...MOT...LOC 1522Z 270DEG 29KT 3157 8912 3108 8936
$$1 follow-up statement
533
WWUS54 KMOB 101544
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
944 AM CST MON DEC 10 2012
MSC111-101615-
/O.CON.KMOB.SV.W.0209.000000T0000Z-121210T1615Z/
PERRY MS-
944 AM CST MON DEC 10 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 AM CST
FOR NORTHERN PERRY COUNTY...
AT 939 AM CST...A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DAMAGING WINDS OVER 60 MPH WERE LOCATED FROM 14 MILES SOUTHEAST OF
LAUREL TO 16 MILES NORTH OF WIGGINS...MOVING EAST AT 35 MPH.
LOCATIONS IMPACTED INCLUDE...
RICHTON... NEW AUGUSTA...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3143 8915 3144 8914 3144 8903 3143 8887
3112 8894 3107 8915
TIME...MOT...LOC 1544Z 270DEG 29KT 3157 8891 3108 8915
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 9:00 AM CST | Severe Thunderstorm Warning | MOB | Wayne | 60 min |
| Dec 10, 10:02 AM CST | Severe Thunderstorm Warning | MOB | Greene, Perry, Wayne | 58 min |
| Dec 10, 10:26 AM CST | Severe Thunderstorm Warning | MOB | Greene, Perry, Stone | 64 min |
| Dec 10, 10:36 AM CST | Tornado Warning | MOB | Wayne | 40 min |
| Dec 10, 11:32 AM CST | Severe Thunderstorm Warning | MOB | George, Greene | 42 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.