Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 102, NWS Mobile, AL

June 14, 2012Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 14, 2012, 5:14 PM CDT for Baldwin County, Alabama. It was in force for 44 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 14, 2012, 5:14 PM CDT (22:14 UTC)
Expired
Jun 14, 2012, 5:58 PM CDT
In force
44 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 49 km from the middle of the area, began a volume at 22:18 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 10.2 hours before the alert went out and 131 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, Eglin AFB/Valpar, FL at 12:00Z on 2012-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 325 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Eglin AFB/Valpar, FL at 12:00Z on 2012-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
325 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
932 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
-8 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.

651 
WUUS54 KMOB 142214
SVRMOB
ALC003-142315-
/O.NEW.KMOB.SV.W.0102.120614T2214Z-120614T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
514 PM CDT THU JUN 14 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 615 PM CDT

* AT 509 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
  WINDS OVER 60 MPH WAS LOCATED 2 MILES SOUTHEAST OF BAY MINETTE...OR
  6 MILES SOUTH OF I65 AND AL 287...AND MOVING NORTHWEST AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  I65 AND AL 59...      I65 AND AL 287...     BAY MINETTE...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 34 AND 42.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS. HAIL TO THE 
PEOPLE OUTSIDE SHOULD MOVE INSIDE A STRONG BUILDING BUT AWAY FROM 
WINDOWS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY! IF YOU CAN HEAR THUNDER...YOU ARE CLOSE 
ENOUGH TO BE STRUCK BY LIGHTNING. 

&&

LAT...LON 3084 8791 3107 8774 3090 8762 3076 8776
TIME...MOT...LOC 2213Z 128DEG 5KT 3088 8775

$$
2 follow-up statements
700 
WWUS54 KMOB 142220
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
520 PM CDT THU JUN 14 2012

ALC003-142315-
/O.CON.KMOB.SV.W.0102.000000T0000Z-120614T2315Z/
BALDWIN AL-
520 PM CDT THU JUN 14 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR CENTRAL BALDWIN COUNTY...

AT 520 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS OVER 60 MPH WAS LOCATED NEAR BAY MINETTE...OR 5 MILES SOUTH OF
I65 AND AL 287...MOVING NORTHWEST AT 5 MPH.

LOCATIONS IMPACTED INCLUDE...
  I65 AND AL 59...      I65 AND AL 287...     BAY MINETTE...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 35 AND 42.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS. HAIL TO THE 
SIZE OF PENNIES...FREQUENT CLOUD TO GROUND LIGHTNING STRIKES AND 
VERY HEAVY RAINS CAN ALSO BE EXPECTED.  PEOPLE OUTSIDE SHOULD MOVE 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. 

&&

LAT...LON 3084 8791 3107 8774 3090 8762 3076 8776
TIME...MOT...LOC 2219Z 134DEG 6KT 3089 8776

$$
373 
WWUS54 KMOB 142258
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
558 PM CDT THU JUN 14 2012

ALC003-142306-
/O.CAN.KMOB.SV.W.0102.000000T0000Z-120614T2315Z/
BALDWIN AL-
558 PM CDT THU JUN 14 2012

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR CENTRAL
BALDWIN COUNTY...

AT 555 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR CENTRAL 
BALDWIN COUNTY HAS MOVED OUT OF THE WARNED AREA...THUS THE SEVERE 
THUNDERSTORM WARNING HAS BEEN CANCELLED.

LAT...LON 3084 8791 3107 8774 3090 8762 3076 8776
TIME...MOT...LOC 2256Z 134DEG 6KT 3093 8781

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 5:48 PM CDTSevere Thunderstorm WarningMOBConecuh57 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2012Every severe thunderstorm warning in 2012

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.