Alert archive / Mississippi / Tornado Warnings in 2012

Tornado Warning 22, NWS Mobile, AL

March 22, 2012Perry County, Mississippi

NWS Mobile, AL issued this tornado warning at Mar 22, 2012, 2:04 AM CDT for Perry County, Mississippi. It was in force for 23 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 22, 2012, 2:04 AM CDT (07:04 UTC)
Expired
Mar 22, 2012, 2:27 AM CDT
In force
23 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Perry County, MS

The radar

The Mobile radar (KMOB), 81 km from the middle of the area, began a volume at 07:06 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.

What was reported inside it

TimeReportWhereRemark
Mar 22, 2:05 AM CDTTSTM WND DMG2 Nnw Deep Creek, MSSEVERAL TREES REPORTED DOWN FROM POSSIBLE TORNADO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 21, 6:02 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.1 hours before the alert went out and 120 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-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 2012-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 131 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2012-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
131 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
505 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

515 
WFUS54 KMOB 220704
TORMOB
MSC111-220745-
/O.NEW.KMOB.TO.W.0022.120322T0704Z-120322T0745Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
204 AM CDT THU MAR 22 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 245 AM CDT

* AT 201 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES
  NORTHEAST OF WIGGINS...OR 13 MILES SOUTHWEST OF MCLAIN...MOVING
  NORTH AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BEAUMONT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MANUFACTURED HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 3122 8898 3122 8884 3092 8884 3091 8901
TIME...MOT...LOC 0704Z 190DEG 17KT 3096 8894

$$
1 follow-up statement
214 
WWUS54 KMOB 220727
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
227 AM CDT THU MAR 22 2012

MSC111-220737-
/O.CAN.KMOB.TO.W.0022.000000T0000Z-120322T0745Z/
PERRY MS-
227 AM CDT THU MAR 22 2012

...THE TORNADO WARNING FOR SOUTHEASTERN PERRY COUNTY IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS WEAKENED. 

LAT...LON 3122 8898 3122 8884 3092 8884 3091 8901
TIME...MOT...LOC 0727Z 190DEG 17KT 3107 8892

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 21, 10:11 PM CDTRiver Flood WarningMOBGeorge, Greene, Perry9 days
Mar 22, 2:02 AM CDTFlash Flood WarningMOBStone3 hr
Mar 22, 3:31 AM CDTFlash Flood WarningMOBPerry3 hr
Mar 22, 9:41 AM CDTFlash Flood WarningMOBGeorge, Greene, Perry, Stone, Wayne6 hr
Mar 22, 9:58 AM CDTRiver Flood WarningMOBGeorge, Greene, Jackson9 days
Mar 22, 10:00 AM CDTRiver Flood WarningMOBGeorge, Greene, Wayne9 days
Mar 22, 1:36 PM CDTFlash Flood WarningMOBGeorge, Greene6 hr
Mar 22, 4:01 PM CDTAreal Flood WarningMOBGreene, Wayne12 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.