Alert archive / Mississippi / Tornado Warnings in 2013
Tornado Warning 17, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 11, 2013, 1:19 PM CDT for 4 counties in Mississippi. It was in force for 41 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
- Apr 11, 2013, 1:19 PM CDT (18:19 UTC)
- Expired
- Apr 11, 2013, 2:00 PM CDT
- In force
- 41 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), 94 km from the middle of the area, began a volume at 18:21 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 |
|---|---|---|---|
| Apr 11, 8:00 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 6.3 hours before the alert went out and 93 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
- 1207 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 495 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 5.4
The text
As transmitted, in the capitals the NWS used until 2016.
864
WFUS54 KMOB 111819
TORMOB
MSC039-041-111-131-111900-
/O.NEW.KMOB.TO.W.0017.130411T1819Z-130411T1900Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
119 PM CDT THU APR 11 2013
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHWESTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
NORTHWESTERN STONE COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 200 PM CDT
* AT 117 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 20 MILES WEST OF WIGGINS...OR 13 MILES SOUTH OF
LUMBERTON...MOVING NORTHEAST AT 55 MPH.
* LOCATIONS IMPACTED INCLUDE...
MCLAIN... BEAUMONT... WIGGINS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3092 8934 3091 8915 3111 8915 3127 8887
3100 8866 3074 8934 3075 8935 3091 8935
TIME...MOT...LOC 1819Z 239DEG 46KT 3083 8943
$$2 follow-up statements
340
WWUS54 KMOB 111833
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
133 PM CDT THU APR 11 2013
MSC039-041-111-131-111900-
/O.CON.KMOB.TO.W.0017.000000T0000Z-130411T1900Z/
STONE MS-PERRY MS-GREENE MS-GEORGE MS-
133 PM CDT THU APR 11 2013
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
NORTHWESTERN GEORGE...SOUTHWESTERN GREENE...SOUTHERN PERRY AND
NORTHWESTERN STONE COUNTIES...
AT 130 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 12 MILES WEST OF WIGGINS...OR 12 MILES SOUTHEAST OF
LUMBERTON...MOVING NORTHEAST AT 55 MPH. WINDS GUSTING TO 70 MPH ARE
ALSO POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
MCLAIN... BEAUMONT... WIGGINS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR SOUTHEAST MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 800 PM CDT THURSDAY EVENING FOR SOUTHWESTERN ALABAMA AND
NORTHWEST FLORIDA.
&&
LAT...LON 3092 8934 3091 8915 3111 8915 3127 8887
3100 8866 3074 8934 3075 8935 3091 8935
TIME...MOT...LOC 1833Z 239DEG 46KT 3088 8930
$$481
WWUS54 KMOB 111857
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
157 PM CDT THU APR 11 2013
MSC039-041-111-131-111908-
/O.EXP.KMOB.TO.W.0017.000000T0000Z-130411T1900Z/
STONE MS-PERRY MS-GREENE MS-GEORGE MS-
157 PM CDT THU APR 11 2013
...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE FOR NORTHWESTERN
GEORGE...SOUTHWESTERN GREENE...SOUTHERN PERRY AND NORTHWESTERN STONE
COUNTIES...
AT 153 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR NORTHWESTERN
GEORGE...SOUTHWESTERN GREENE...SOUTHERN PERRY AND NORTHWESTERN STONE
COUNTIES HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE TORNADO
WARNING WILL BE ALLOWED TO EXPIRE AT 200 PM CDT.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT THURSDAY AFTERNOON
FOR SOUTHEAST MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 800 PM CDT THURSDAY EVENING FOR SOUTHWESTERN ALABAMA AND
NORTHWEST FLORIDA.
LAT...LON 3092 8934 3091 8915 3111 8915 3127 8887
3100 8866 3074 8934 3075 8935 3091 8935
TIME...MOT...LOC 1858Z 239DEG 46KT 3104 8898
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 3:49 AM CDT | Wind Advisory | MOB | George, Greene, Perry, Stone, Wayne | 15 hr |
| Apr 11, 1:24 PM CDT | Severe Thunderstorm Warning | MOB | Greene, Perry, Wayne | 51 min |
| Apr 11, 1:41 PM CDT | Severe Thunderstorm Warning | MOB | Wayne | 64 min |
| Apr 11, 1:52 PM CDT | Severe Thunderstorm Warning | MOB | George, Greene, Perry, Stone | 53 min |
| Apr 11, 2:18 PM CDT | Tornado Warning | MOB | Greene, Perry, Wayne | 42 min |
| Apr 11, 2:24 PM CDT | Severe Thunderstorm Warning | MOB | George, Stone | 66 min |
| Apr 11, 2:44 PM CDT | Severe Thunderstorm Warning | MOB | Greene, Wayne | 31 min |
Nearby
Tornado Warnings in Mississippi, 2013Every tornado warning in 2013Tornadoes in 2013
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.