Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 36, NWS Mobile, AL

March 22, 20124 counties in Alabama; Escambia County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Mar 22, 2012, 6:51 PM CDT for 4 counties in Alabama; Escambia County, Florida. It was in force for 54 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
Mar 22, 2012, 6:51 PM CDT (23:51 UTC)
Expired
Mar 22, 2012, 7:45 PM CDT
In force
54 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Baldwin County, AL, Conecuh County, AL, Escambia County, AL, Monroe County, AL, Escambia County, FL

The radar

The Mobile radar (KMOB), 102 km from the middle of the area, began a volume at 23:51 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

Birmingham, AL (KBMX), launched 12:00Z, 11.9 hours before the alert went out and 221 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, Birmingham, AL at 12:00Z on 2012-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Birmingham, AL at 12:00Z on 2012-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
882 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
182 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.

601 
WUUS54 KMOB 222351
SVRMOB
ALC003-035-053-099-FLC033-230045-
/O.NEW.KMOB.SV.W.0036.120322T2351Z-120323T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
651 PM CDT THU MAR 22 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  SOUTHWESTERN CONECUH COUNTY IN SOUTH CENTRAL ALABAMA...
  WESTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
  SOUTHWESTERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTH CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 745 PM CDT

* AT 647 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES WEST OF ATMORE...OR 2
  MILES SOUTHWEST OF POARCH CREEK RESERVATION...AND MOVING NORTHEAST
  AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  POARCH CREEK RESERVATION...                 PERDIDO...
  I65 AND CR 47...      MEGARGEL...           FRISCO CITY...
  EXCEL...              REPTON...             I65 AND CR 6...
  I65 AND AL 41...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 43 AND 84.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

&&

LAT...LON 3128 8696 3092 8757 3102 8774 3141 8761
      3145 8757 3152 8757
TIME...MOT...LOC 2350Z 222DEG 23KT 3109 8757

$$
1 follow-up statement
763 
WWUS54 KMOB 230021
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
721 PM CDT THU MAR 22 2012

FLC033-230025-
/O.CAN.KMOB.SV.W.0036.000000T0000Z-120323T0045Z/
ESCAMBIA FL-
721 PM CDT THU MAR 22 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ESCAMBIA COUNTY
IS CANCELLED...

DOPPLER RADAR INDICATES THAT THE STORM THAT PROMPTED THE WARNING HAS 
MOVED OUT OF NORTHWESTERN ESCAMBIA COUNTY. THUS...THE SEVERE 
THUNDERSTORM WARNING HAS BEEN CANCELLED. 

LAT...LON 3100 8744 3113 8770 3141 8761 3145 8757
      3152 8757 3128 8696
TIME...MOT...LOC 0015Z 231DEG 21KT 3116 8745

$$

ALC003-035-053-099-230045-
/O.CON.KMOB.SV.W.0036.000000T0000Z-120323T0045Z/
CONECUH AL-ESCAMBIA AL-MONROE AL-BALDWIN AL-
721 PM CDT THU MAR 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTH CENTRAL BALDWIN...SOUTHWESTERN MONROE...WESTERN ESCAMBIA
AND SOUTHWESTERN CONECUH COUNTIES...

AT 718 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 NEAR MCCULLOUGH...OR 7 MILES NORTH OF ATMORE...MOVING
NORTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LITTLE
ROCK...PALMERS CROSSROADS...HUXFORD...HOMEWOOD...SARDINE...STANLEY 
CROSSROADS...JEDDO...PINEVIEW...GOODWAY...MANISTEE...MEGARGEL...
LONDON...SAND CUT...FRISCO CITY...EXCEL...REPTON...RANGE...LENOX...
WALLACE AND APPLETON

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO 
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING IS ONE OF 
NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU 
ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. SEEK SAFE SHELTER INDOORS
UNTIL THE STORM HAS PASSED. 

&&

LAT...LON 3100 8744 3113 8770 3141 8761 3145 8757
      3152 8757 3128 8696
TIME...MOT...LOC 0015Z 231DEG 21KT 3116 8745

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 8:50 AM CDTSevere Thunderstorm WarningMOBWashington55 min
Mar 22, 10:26 AM CDTSpecial Marine WarningMOB49 min
Mar 22, 11:00 AM CDTSevere Thunderstorm WarningMOBChoctaw45 min
Mar 22, 11:13 AM CDTSpecial Marine WarningMOB2 hr
Mar 22, 11:38 AM CDTSevere Thunderstorm WarningMOBClarke, Washington67 min
Mar 22, 1:05 PM CDTSpecial Marine WarningMOB115 min
Mar 22, 1:36 PM CDTFlash Flood WarningMOBClarke, Mobile, Washington6 hr
Mar 22, 2:53 PM CDTAreal Flood AdvisoryMOBMobile3 hr
Mar 22, 3:17 PM CDTSpecial Marine WarningMOB43 min
Mar 22, 3:45 PM CDTFlash Flood WarningMOBBaldwin, Clarke, Escambia, Mobile, Monroe, Washington6 hr
Mar 22, 4:01 PM CDTAreal Flood WarningMOBChoctaw, Clarke, Washington12 hr
Mar 22, 4:25 PM CDTSevere Thunderstorm WarningMOBWilcox50 min
Mar 22, 5:43 PM CDTSpecial Marine WarningMOB62 min
Mar 22, 6:46 PM CDTSpecial Marine WarningMOB89 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2012Severe Thunderstorm Warnings in Florida, 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.