Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 4, NWS Mobile, AL

January 26, 2012Wayne County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jan 26, 2012, 8:42 AM CST for Wayne County, Mississippi. It was in force for 63 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: Jan 26, 2012, 8:42 AM CST (14:42 UTC)
Expired: Jan 26, 2012, 9:45 AM CST
In force: 63 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Wayne County, MS

The radar

The Mobile radar (KMOB), 112 km from the middle of the area, began a volume at 14:43 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
Jan 26, 4:18 AM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 2.7 hours before the alert went out and 149 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 828 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 232 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

750 
WUUS54 KMOB 261442
SVRMOB
MSC153-261545-
/O.NEW.KMOB.SV.W.0004.120126T1442Z-120126T1545Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
842 AM CST THU JAN 26 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 945 AM CST

* AT 838 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 10 MILES NORTHEAST OF RICHTON...
  OR 12 MILES SOUTHWEST OF CLARA...AND MOVING NORTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WAYNESBORO...         CLARA...              BUCKATUNNA...

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 IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST THURSDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3182 8878 3157 8845 3143 8865 3143 8892
      3146 8894
TIME...MOT...LOC 1442Z 231DEG 15KT 3145 8880

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 26, 7:51 AM CST	Severe Thunderstorm Warning	MOB	Perry	54 min
Jan 26, 8:36 AM CST	Severe Thunderstorm Warning	MOB	George, Stone	39 min
Jan 26, 8:56 AM CST	Tornado Warning	MOB	Wayne	49 min
Jan 26, 9:15 AM CST	Severe Thunderstorm Warning	MOB	Greene	38 min
Jan 26, 9:20 AM CST	Tornado Warning	MOB	Greene	40 min
Jan 26, 9:49 AM CST	Areal Flood Advisory	MOB	George, Greene, Perry, Stone, Wayne	116 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2012 Every 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.