Alert archive / Alabama / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 106, NWS Mobile, AL

July 2, 2012Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 2, 2012, 4:31 PM CDT for Mobile County, Alabama. It was in force for 45 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
Jul 2, 2012, 4:31 PM CDT (21:31 UTC)
Expired
Jul 2, 2012, 5:16 PM CDT
In force
45 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Mobile County, AL

The radar

The Mobile radar (KMOB), 28 km from the middle of the area, began a volume at 21:30 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

TimeReportWhereRemark
Jul 2, 5:00 PM CDTTSTM WND DMG1 Sse Bayou La Batre, ALTREE AND POWERLINES DOWN AT HWY 188 AND SATSUMA ROAD. HWY 188 CLOSED AT THIS AREA DUE TO POWERLINES DOWN.

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, 9.5 hours before the alert went out and 142 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 2012-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1954 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 2012-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
1954 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
947 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
24 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.

578 
WUUS54 KMOB 022131
SVRMOB
ALC097-022230-
/O.NEW.KMOB.SV.W.0106.120702T2131Z-120702T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
431 PM CDT MON JUL 2 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MOBILE COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 530 PM CDT

* AT 430 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
  SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED NEAR
  THEODORE...OR 5 MILES NORTHWEST OF BELLE FONTAINE...AND MOVING
  SOUTHWEST AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CODEN...              TILLMANS CORNER...    THEODORE...
  I10 AND I65...        GRAND BAY...          BELLE FONTAINE...
  BAYOU LA BATRE...

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 1 AND 20.

LAT...LON 3033 8827 3037 8826 3038 8829 3036 8830
      3036 8831 3049 8841 3055 8841 3066 8814
      3058 8807 3053 8807 3051 8809 3045 8809
      3035 8821 3037 8825 3033 8824 3032 8826
TIME...MOT...LOC 2132Z 055DEG 4KT 3054 8816

$$
2 follow-up statements
618 
WWUS54 KMOB 022145
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
445 PM CDT MON JUL 2 2012

ALC097-022230-
/O.CON.KMOB.SV.W.0106.000000T0000Z-120702T2230Z/
MOBILE AL-
445 PM CDT MON JUL 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHERN MOBILE COUNTY...

AT 440 PM CDT...A NEW SEVERE THUNDERSTORM CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DAMAGING WINDS OVER 60 MPH HAS QUICKLY 
DEVELOPED AND WAS LOCATED 3 MILES SOUTHEAST OF BAYOU LA BATRE...OR 
NEAR CODEN...MOVING SOUTHWEST AT 5 MPH.

ANOTHER SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL 
AND DAMAGING WINDS OVER 60 MPH WAS LOCATED NEAR THEODORE...OR 5 
MILES NORTHWEST OF BELLE FONTAINE...MOVING SOUTHWEST AT 5 MPH.

LOCATIONS IMPACTED INCLUDE...
  CODEN...              TILLMANS CORNER...    THEODORE...
  I10 AND I65...        GRAND BAY...          BELLE FONTAINE...
  BAYOU LA BATRE...

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 1 AND 20.

LAT...LON 3033 8827 3037 8826 3038 8829 3036 8830
      3036 8831 3049 8841 3055 8841 3066 8814
      3058 8807 3053 8807 3051 8809 3045 8809
      3035 8821 3037 8825 3033 8824 3032 8826
TIME...MOT...LOC 2143Z 055DEG 4KT 3037 8822

$$
743 
WWUS54 KMOB 022216
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
516 PM CDT MON JUL 2 2012

ALC097-022224-
/O.CAN.KMOB.SV.W.0106.000000T0000Z-120702T2230Z/
MOBILE AL-
516 PM CDT MON JUL 2 2012

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR A PORTION 
OF SOUTHERN MOBILE COUNTY...BUT ANOTHER SEVERE THUNDERSTORM WARNING 
CONTINUES FOR EXTREME SOUTH CENTRAL MOBILE COUNTY UNTIL 615 PM WHICH 
IS PRIMARILY FOR DAUPHIN ISLAND...

AT 511 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR SOUTHERN
MOBILE COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS...THUS THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.

ANOTHER SEVERE THUNDERSTORM WARNING CONTINUES FOR EXTREME SOUTH 
CENTRAL MOBILE COUNTY UNTIL 615 PM WHICH IS PRIMARILY FOR DAUPHIN 
ISLAND.

TO REPORT SEVERE WEATHER...CALL (800) 284-9059.

LAT...LON 3033 8827 3037 8826 3038 8829 3036 8830
      3036 8831 3049 8841 3055 8841 3066 8814
      3058 8807 3053 8807 3051 8809 3045 8809
      3035 8821 3037 8825 3033 8824 3032 8826
TIME...MOT...LOC 2214Z 055DEG 4KT 3035 8825

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 2:22 AM CDTSpecial Marine WarningMOB83 min
Jul 2, 3:49 PM CDTSevere Thunderstorm WarningMOBBaldwin56 min
Jul 2, 4:04 PM CDTSevere Thunderstorm WarningMOBBaldwin26 min
Jul 2, 4:49 PM CDTSpecial Marine WarningMOB56 min
Jul 2, 5:08 PM CDTSevere Thunderstorm WarningMOBMobile28 min
Jul 2, 5:20 PM CDTSpecial Marine WarningMOB55 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.