Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 167, NWS Mobile, AL

August 3, 2012Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Aug 3, 2012, 2:32 PM CDT for Escambia County, Santa Rosa County, Florida. It was in force for 43 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
Aug 3, 2012, 2:32 PM CDT (19:32 UTC)
Expired
Aug 3, 2012, 3:15 PM CDT
In force
43 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 94 km from the middle of the area, began a volume at 19:33 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, 7.5 hours before the alert went out and 236 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 2012-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4172 joules per kilogram.LCLEL10008507005003002001001 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 2012-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -74 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
4172 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
508 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-74 m²/s²
0-3 km storm-relative helicity
-37 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.

750 
WUUS54 KMOB 031932
SVRMOB
FLC033-113-032015-
/O.NEW.KMOB.SV.W.0167.120803T1932Z-120803T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
232 PM CDT FRI AUG 3 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  WEST CENTRAL SANTA ROSA COUNTY IN NORTHWEST FLORIDA...

* UNTIL 315 PM CDT

* AT 231 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
  SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 4 MILES SOUTH
  OF MOLINO...OR 10 MILES NORTHWEST OF FLORIDATOWN...AND MOVING SOUTH
  AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MOLINO...             GOULDING...           GONZALEZ...
  FERRY PASS...         ENSLEY...             BRENT...
  BELLVIEW...

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 1 AND 16.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CONTINUOUS 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 3045 8742 3052 8745 3063 8739 3067 8741
      3076 8739 3075 8718 3057 8716 3057 8717
      3054 8717 3053 8718 3051 8715 3047 8715
      3044 8716 3043 8720
TIME...MOT...LOC 1932Z 003DEG 6KT 3066 8729

$$
1 follow-up statement
319 
WWUS54 KMOB 031954
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
254 PM CDT FRI AUG 3 2012

FLC033-113-032015-
/O.CON.KMOB.SV.W.0167.000000T0000Z-120803T2015Z/
SANTA ROSA FL-ESCAMBIA FL-
254 PM CDT FRI AUG 3 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR CENTRAL ESCAMBIA AND WEST CENTRAL SANTA ROSA COUNTIES...

AT 249 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 2 MILES
NORTHWEST OF GONZALEZ...OR 9 MILES WEST OF FLORIDATOWN...MOVING SOUTH
AT 5 MPH.

LOCATIONS IMPACTED INCLUDE...
  MOLINO...             GOULDING...           GONZALEZ...
  FERRY PASS...         ENSLEY...             BRENT...
  BELLVIEW...

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 1 AND 16.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

CONTINUOUS 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 3045 8742 3052 8745 3063 8739 3067 8741
      3076 8739 3075 8718 3057 8716 3057 8717
      3054 8717 3053 8718 3051 8715 3047 8715
      3044 8716 3043 8720
TIME...MOT...LOC 1954Z 003DEG 6KT 3059 8731

$$

Nearby

Severe 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.