Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 59, NWS Mobile, AL

April 15, 2011Wayne County, Mississippi

NWS Mobile, AL issued this tornado warning at Apr 15, 2011, 5:59 PM CDT for Wayne County, Mississippi. It was in force for 61 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: Apr 15, 2011, 5:59 PM CDT (22:59 UTC)
Expired: Apr 15, 2011, 7:00 PM CDT
In force: 61 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Wayne County, MS

The radar

The Mobile radar (KMOB), 123 km from the middle of the area, began a volume at 23:02 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

Time	Report	Where	Remark
Apr 15, 6:30 PM CDT	HAIL 1.75	Clara, MS	GOLF BALL SIZE HAIL REPORTED ON HWY 63

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.

Issued	Product	Office	Lasted
Apr 15, 11:21 AM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.0 hours before the alert went out and 147 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: 1458 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 523 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 382 m²/s²
0-3 km storm-relative helicity: 565 m²/s²
Significant tornado parameter: 4.0
Supercell composite: 14.6

Open this sounding in Storm Lab

The text

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

785 
WFUS54 KMOB 152259
TORMOB
MSC153-160000-
/O.NEW.KMOB.TO.W.0059.110415T2259Z-110416T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
559 PM CDT FRI APR 15 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF WAYNESBORO...

* UNTIL 700 PM CDT

* AT 557 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES
  SOUTHWEST OF WAYNESBORO...OR 16 MILES WEST OF ROBINSON JUNCTION...
  MOVING EAST AT 55 MPH.

* THE TORNADO WILL BE NEAR...
  WAYNESBORO AROUND 610 PM CDT...
  ROBINSON JUNCTION AROUND 615 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM SHOWS INDICATIONS OF BOTH SEVERE HAIL ALONG WITH A RAIN 
WRAPPED TORNADO.  RESIDENTS...MOTORISTS...AND EMERGENCY PERSONNEL 
WHO ARE ASSISTING IN THE CLEANUP EFFORTS ACROSS THE COUNTY FROM 
PREVIOUSLY TORNADIC STORMS ARE URGED TO TAKE COVER NOW.  

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

&&

LAT...LON 3184 8871 3189 8847 3144 8845 3143 8892
      3183 8894
TIME...MOT...LOC 2258Z 254DEG 47KT 3158 8882

$$

2 follow-up statements

012 
WWUS54 KMOB 152327
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
627 PM CDT FRI APR 15 2011

MSC153-160000-
/O.CON.KMOB.TO.W.0059.000000T0000Z-110416T0000Z/
WAYNE MS-
627 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR WAYNE
COUNTY...

AT 625 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS NEAR HOLLIS CREEK...OR ABOUT 13 MILES SOUTHWEST OF
WAYNESBORO...MOVING EAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  CLARA AROUND 635 PM CDT...
  WINCHESTER AND CHICORA AROUND 640 PM CDT...
  ROBINSONS JUNCTION...ROBINSON JUNCTION...DENHAM AND BUCKATUNNA
  AROUND 645 PM CDT...
  BELMONT AND DENHAM AROUND 650 PM CDT...

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

LAT...LON 3167 8883 3175 8872 3189 8847 3144 8845
      3145 8865 3148 8885
TIME...MOT...LOC 2327Z 255DEG 41KT 3155 8877

$$

989 
WWUS54 KMOB 152359
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
659 PM CDT FRI APR 15 2011

MSC153-160009-
/O.EXP.KMOB.TO.W.0059.000000T0000Z-110416T0000Z/
WAYNE MS-
659 PM CDT FRI APR 15 2011

...THE TORNADO WARNING FOR WAYNE COUNTY WILL EXPIRE AT 700 PM CDT...

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

LAT...LON 3167 8883 3175 8872 3189 8847 3144 8845
      3145 8865 3148 8885
TIME...MOT...LOC 2359Z 255DEG 41KT 3164 8836

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 10:15 AM CDT	Tornado Warning	MOB	Wayne	45 min
Apr 15, 10:34 AM CDT	Tornado Warning	MOB	Greene, Perry	41 min
Apr 15, 10:56 AM CDT	Tornado Warning	MOB	Wayne	49 min
Apr 15, 11:09 AM CDT	Tornado Warning	MOB	Greene, Wayne	51 min
Apr 15, 11:35 AM CDT	Tornado Warning	MOB	Wayne	40 min
Apr 15, 2:06 PM CDT	Severe Thunderstorm Warning	MOB	George, Greene	39 min
Apr 15, 6:38 PM CDT	Tornado Warning	MOB	Greene, Perry	37 min
Apr 15, 6:44 PM CDT	Tornado Warning	MOB	Wayne	61 min
Apr 15, 6:49 PM CDT	Tornado Warning	MOB	Greene, Perry	41 min

Nearby

Tornado Warnings in Mississippi, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.