Alert archive / Mississippi / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 65, NWS Mobile, AL

April 29, 20144 counties in Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Apr 29, 2014, 4:06 PM CDT for 4 counties in Mississippi. It was in force for 39 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 29, 2014, 4:06 PM CDT (21:06 UTC)
Expired: Apr 29, 2014, 4:45 PM CDT
In force: 39 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

Counties George County, MS, Greene County, MS, Perry County, MS, Stone County, MS

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 29, 12:46 PM CDT	Tornado Watch	SPC	10 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.1 hours before the alert went out and 104 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: 1195 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 174 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

771 
WUUS54 KMOB 292106
SVRMOB
MSC039-041-111-131-292145-
/O.NEW.KMOB.SV.W.0065.140429T2106Z-140429T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
ISSUED BY NATIONAL WEATHER SERVICE NEW ORLEANS LA
406 PM CDT TUE APR 29 2014

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...
  SOUTHEASTERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
  EASTERN STONE COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 445 PM CDT

* AT 403 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  WLOX TV STATION TOWER...OR 12 MILES SOUTH OF WIGGINS...AND MOVING
  NORTHEAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BEATRICE...WHITES CROSSING...RAMSEY SPRINGS...BENNDALE...AVENT...
  AVENT STATION...LEAF...ROYCE...MERRILL...MCLAIN...BEXLEY AND VERNAL

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

PLEASE FOLLOW OUR OFFICE ON BOTH FACEBOOK AND TWITTER FOR MORE
INFORMATION ON SEVERE WEATHER AND TO RELAY WEATHER REPORTS AND
PHOTOS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT TUESDAY EVENING
FOR SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3116 8888 3101 8848 3073 8884 3073 8888
      3070 8888 3067 8892 3067 8922
TIME...MOT...LOC 2106Z 231DEG 41KT 3071 8906

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 9:37 PM CDT	Tornado Warning	MOB	Wayne	38 min
Apr 28, 10:12 PM CDT	Tornado Warning	MOB	Wayne	63 min
Apr 28, 10:15 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	45 min
Apr 28, 10:25 PM CDT	Tornado Warning	MOB	Wayne	50 min
Apr 28, 10:49 PM CDT	Flash Flood Warning	MOB	Wayne	4 hr
Apr 28, 11:24 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	36 min
Apr 29, 12:31 AM CDT	Flash Flood Warning	MOB	Greene	4 hr
Apr 29, 1:18 AM CDT	Severe Thunderstorm Warning	MOB	George	57 min
Apr 29, 2:10 AM CDT	Flash Flood Warning	MOB	George	4 hr
Apr 29, 9:30 AM CDT	River Flood Warning	MOB	George, Greene, Perry	5 days
Apr 29, 9:30 AM CDT	River Flood Warning	MOB	George, Greene, Jackson	7 days
Apr 29, 2:50 PM CDT	Severe Thunderstorm Warning	MOB	George, Greene, Perry, Stone	40 min
Apr 29, 4:41 PM CDT	Severe Thunderstorm Warning	MOB	George, Greene	49 min
Apr 29, 6:19 PM CDT	Areal Flood Warning	MOB	George	12 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2014 Every severe thunderstorm warning in 2014

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.