Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 110, NWS Mobile, AL

June 10, 2011Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 10, 2011, 5:15 PM CDT for Baldwin County, Alabama. It was in force for 29 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 10, 2011, 5:15 PM CDT (22:15 UTC)
Expired
Jun 10, 2011, 5:44 PM CDT
In force
29 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 30 km from the middle of the area, began a volume at 22:17 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 12:00Z, 10.3 hours before the alert went out and 177 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 12:00Z on 2011-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1367 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 12:00Z on 2011-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
1367 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
755 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.8

Open this sounding in Storm Lab

The text

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

723 
WUUS54 KMOB 102215
SVRMOB
ALC003-102300-
/O.NEW.KMOB.SV.W.0110.110610T2215Z-110610T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
515 PM CDT FRI JUN 10 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITIES OF...SPANISH FORT...DAPHNE...

* UNTIL 600 PM CDT

* AT 512 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 9 MILES
  SOUTH OF BAY MINETTE...OR 12 MILES NORTHEAST OF PARK CITY...AND
  MOVING SOUTHWEST AT 15 MPH.

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 30 AND 43.

&&

LAT...LON 3064 8793 3066 8794 3066 8796 3068 8800
      3071 8800 3073 8802 3077 8802 3078 8802
      3087 8774 3070 8766 3058 8792
TIME...MOT...LOC 2215Z 066DEG 13KT 3075 8780

$$
1 follow-up statement
564 
WWUS54 KMOB 102244
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
544 PM CDT FRI JUN 10 2011

ALC003-102254-
/O.CAN.KMOB.SV.W.0110.000000T0000Z-110610T2300Z/
BALDWIN AL-
544 PM CDT FRI JUN 10 2011

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL BALDWIN COUNTY IS
CANCELLED...

AT 544 PM CDT...THE STORM THAT PROMPTED THE WARNING HAS WEAKENED TO 
BELOW SEVERE LIMITS...THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 3064 8793 3066 8794 3066 8796 3068 8800
      3071 8800 3073 8802 3077 8802 3078 8802
      3087 8774 3070 8766 3058 8792
TIME...MOT...LOC 2244Z 066DEG 13KT 3071 8791

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 4:37 PM CDTSevere Thunderstorm WarningMOBBaldwin53 min
Jun 10, 5:18 PM CDTSpecial Marine WarningMOB42 min
Jun 10, 5:54 PM CDTSevere Thunderstorm WarningMOBClarke51 min
Jun 10, 5:56 PM CDTSpecial Marine WarningMOB49 min
Jun 10, 6:36 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington21 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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.