Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 102, NWS Mobile, AL

June 7, 2011Mobile County, Alabama; George County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Jun 7, 2011, 7:13 PM CDT for Mobile County, Alabama; George County, Mississippi. It was in force for 47 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
Jun 7, 2011, 7:13 PM CDT (00:13 UTC)
Expired
Jun 7, 2011, 8:00 PM CDT
In force
47 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Mobile County, AL, George County, MS

The radar

The Mobile radar (KMOB), 13 km from the middle of the area, began a volume at 00:13 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 nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.2 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-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 2011-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1881 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 2011-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939Sfc1 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
1881 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
1465 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

893 
WUUS54 KMOB 080013
SVRMOB
ALC097-MSC039-080100-
/O.NEW.KMOB.SV.W.0102.110608T0013Z-110608T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
713 PM CDT TUE JUN 7 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF LUCEDALE...
  CENTRAL MOBILE COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITIES OF...SATSUMA...SARALAND...PRICHARD...
  CREOLA...CHICKASAW...

* UNTIL 800 PM CDT

* AT 708 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 12 MILES EAST OF LUCEDALE TO   
  8 MILES WEST OF CHICKASAW TO SARALAND...AND MOVING TO THE          
  SOUTHWEST AT 25 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  PRICHARD...MOBILE INFIRMARY...I65 AND I165 AND CHICKASAW AROUND 725
  PM CDT...
  BROOKLEY FIELD AIR...AIRPORT AND GOVERN...I65 AND US 45 AND I65 AND
  MOFFETT RO AROUND 730 PM CDT...
  LUCEDALE AND I10 AND I65 INTERS AROUND 735 PM CDT...

THIS INCLUDES INTERSTATE 10 IN ALABAMA BETWEEN MILE MARKERS 18 AND
24.

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 1 AND 24.

&&

LAT...LON 3060 8841 3073 8843 3073 8871 3100 8872
      3101 8800 3091 8797 3088 8799 3086 8796
      3083 8796 3080 8802 3060 8808
TIME...MOT...LOC 0011Z 067DEG 20KT 3093 8841 3078 8823
          3079 8802

$$
1 follow-up statement
923 
WWUS54 KMOB 080053
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
753 PM CDT TUE JUN 7 2011

ALC097-MSC039-080100-
/O.CON.KMOB.SV.W.0102.000000T0000Z-110608T0100Z/
GEORGE MS-MOBILE AL-
753 PM CDT TUE JUN 7 2011

...A SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE AT 800 PM 
CDT FOR CENTRAL MOBILE AND GEORGE COUNTIES...

AT 745 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A CLUSTER OF THUNDERSTORMS FROM THE MOBILE RIVER DELTA TO 
WEST MOBILE TO NEAR DEES ALABAMA.  THE THUNDERSTORM CLUSTER WAS 
MOVING SOUTHWEST AT 25 MPH AND RADAR SHOWED THAT MAINLY 45 MPH WINDS 
WERE NOW THE MAIN THREAT.  IT IS POSSIBLE THAT A FEW INTENSE 
THUNDERSTORMS MAY STILL FORM OVER SOUTHERN MOBILE COUNTY THROUGH 9 
PM CDT.

SEVERE THUNDERSTORMS WILL MOVE MAINLY ACROSS CENTRAL AND SOUTHERN 
PORTIONS OF MOBILE COUNTY THROUGH 8 PM CDT. 
 

LAT...LON 3060 8841 3073 8843 3073 8871 3100 8872
      3101 8800 3091 8797 3088 8799 3086 8796
      3083 8796 3080 8802 3060 8808
TIME...MOT...LOC 0050Z 067DEG 20KT 3084 8864 3070 8846
          3071 8825

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 2:46 PM CDTSevere Thunderstorm WarningMOBBaldwin29 min
Jun 8, 3:40 PM CDTSevere Thunderstorm WarningMOBMobile18 min
Jun 8, 4:43 PM CDTSevere Thunderstorm WarningMOBChoctaw47 min
Jun 8, 5:04 PM CDTSevere Thunderstorm WarningMOBChoctaw26 min
Jun 8, 6:34 PM CDTSpecial Marine WarningMOB41 min
Jun 8, 4:41 PM CDTSevere Thunderstorm WarningMOBWayne19 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2011Severe Thunderstorm Warnings in Mississippi, 2011Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.