Alert archive / Mississippi / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 73, NWS Mobile, AL

May 26, 2011George County, Greene County, Mississippi; Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 26, 2011, 4:23 PM CDT for George County, Greene County, Mississippi; Mobile County, Alabama. It was in force for 37 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: May 26, 2011, 4:23 PM CDT (21:23 UTC)
Expired: May 26, 2011, 5:00 PM CDT
In force: 37 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

Counties Mobile County, AL, George County, MS, Greene County, MS

The radar

The Mobile radar (KMOB), 39 km from the middle of the area, began a volume at 21:24 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
May 26, 4:47 PM CDT	HAIL 1.75	1 Nw Georgetown, AL

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

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.4 hours before the alert went out and 154 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: 3259 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 464 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 12.8

Open this sounding in Storm Lab

The text

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

235 
WUUS54 KMOB 262123
SVRMOB
ALC097-MSC039-041-262200-
/O.NEW.KMOB.SV.W.0073.110526T2123Z-110526T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
423 PM CDT THU MAY 26 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
  SOUTHEASTERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
  NORTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITY OF CITRONELLE...

* UNTIL 500 PM CDT

* AT 419 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES
  EAST OF LUCEDALE...AND WAS MOVING EAST TO NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL...
  MOVE INTO NORTHERN MOBILE COUNTY AND MOVE TOWARDS 
  CITRONELLE THROUGH 500 PM CDT...

&&

LAT...LON 3097 8854 3110 8847 3112 8843 3112 8833
      3115 8833 3115 8819 3089 8806 3085 8822
      3082 8842
TIME...MOT...LOC 2122Z 254DEG 19KT 3094 8844

$$

2 follow-up statements

970 
WWUS54 KMOB 262141
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
441 PM CDT THU MAY 26 2011

MSC039-041-262151-
/O.CAN.KMOB.SV.W.0073.000000T0000Z-110526T2200Z/
GEORGE MS-GREENE MS-
441 PM CDT THU MAY 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GREENE AND
NORTHEASTERN GEORGE COUNTIES IS CANCELLED...

LAT...LON 3092 8843 3095 8842 3095 8843 3098 8843
      3100 8842 3111 8817 3089 8806 3085 8822
      3085 8836
TIME...MOT...LOC 2141Z 268DEG 21KT 3094 8832

$$

ALC097-262200-
/O.CON.KMOB.SV.W.0073.000000T0000Z-110526T2200Z/
MOBILE AL-
441 PM CDT THU MAY 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM CDT
FOR NORTHERN MOBILE COUNTY...

AT 438 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS 
LOCATED 12 MILES SOUTHWEST OF CITRONELLE...MOVING EAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
GEORGETOWN...GULFCREST...SIDNEY...RUSSELL...SMITHTOWN...CHUNCHULA...
LAMBERT...LAMBERT GROVE...TURNERVILLE AND CELESTE

LAT...LON 3092 8843 3095 8842 3095 8843 3098 8843
      3100 8842 3111 8817 3089 8806 3085 8822
      3085 8836
TIME...MOT...LOC 2141Z 268DEG 21KT 3094 8832

$$

166 
WWUS54 KMOB 262157
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
457 PM CDT THU MAY 26 2011

ALC097-262207-
/O.EXP.KMOB.SV.W.0073.000000T0000Z-110526T2200Z/
MOBILE AL-
457 PM CDT THU MAY 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MOBILE COUNTY WILL 
BE ALLOWED TO EXPIRE AT 500 PM CDT...

LAT...LON 3092 8843 3095 8842 3095 8843 3098 8843
      3100 8842 3111 8817 3089 8806 3085 8822
      3085 8836
TIME...MOT...LOC 2157Z 268DEG 21KT 3094 8821

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 10:25 AM CDT	Severe Thunderstorm Warning	MOB	George	50 min
May 26, 12:43 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	47 min
May 26, 12:45 PM CDT	Severe Thunderstorm Warning	MOB	George	45 min
May 26, 1:27 PM CDT	Severe Thunderstorm Warning	MOB	Wayne	63 min
May 26, 1:47 PM CDT	Severe Thunderstorm Warning	MOB	Perry	20 min
May 26, 2:44 PM CDT	Flash Flood Warning	MOB	Wayne	3 hr
May 26, 6:05 PM CDT	Severe Thunderstorm Warning	MOB	George, Stone	40 min
May 26, 12:14 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke	33 min
May 26, 12:22 PM CDT	Severe Thunderstorm Warning	MOB	Clarke, Wilcox	27 min
May 26, 1:04 PM CDT	Severe Thunderstorm Warning	MOB	Butler	41 min
May 26, 1:24 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile, Washington	37 min
May 26, 1:29 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	46 min
May 26, 1:34 PM CDT	Severe Thunderstorm Warning	MOB	Covington, Crenshaw	26 min
May 26, 2:43 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	62 min
May 26, 3:20 PM CDT	Tornado Warning	MOB	Mobile	40 min
May 26, 3:31 PM CDT	Special Marine Warning	MOB		59 min
May 26, 3:39 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Mobile, Monroe, Washington	20 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2011 Severe Thunderstorm Warnings in Alabama, 2011 Every severe thunderstorm warning 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.