Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 91, NWS Mobile, AL

June 5, 2012Escambia County, Santa Rosa County, Florida; Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 5, 2012, 4:08 PM CDT for Escambia County, Santa Rosa County, Florida; Baldwin County, Alabama. It was in force for 67 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 5, 2012, 4:08 PM CDT (21:08 UTC)
Expired
Jun 5, 2012, 5:15 PM CDT
In force
67 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Baldwin County, AL, Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 86 km from the middle of the area, began a volume at 21:09 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, 9.1 hours before the alert went out and 233 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 2012-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2165 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 2012-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
2165 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
614 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

536 
WUUS54 KMOB 052108
SVRMOB
ALC003-FLC033-113-052215-
/O.NEW.KMOB.SV.W.0091.120605T2108Z-120605T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
408 PM CDT TUE JUN 5 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  WEST CENTRAL SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
  EAST CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 515 PM CDT

* AT 408 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
  SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 7 MILES
  NORTHWEST OF MOLINO...OR 11 MILES WEST OF CHUMUCKLA...AND MOVING
  SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WALLACE...            SKYLINE...            POINT BAKER...
  JAY...                CHUMUCKLA...          ALLENTOWN...
  MOLINO...             BROWNSDALE...

THIS INCLUDES INTERSTATE 10 IN ALABAMA BETWEEN MILE MARKERS 49 AND
55.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3092 8717 3066 8702 3061 8769 3082 8767
TIME...MOT...LOC 2108Z 301DEG 22KT 3078 8738

$$
1 follow-up statement
973 
WWUS54 KMOB 052127
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
427 PM CDT TUE JUN 5 2012

FLC113-052136-
/O.CAN.KMOB.SV.W.0091.000000T0000Z-120605T2215Z/
SANTA ROSA FL-
427 PM CDT TUE JUN 5 2012

...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED FOR WEST
CENTRAL SANTA ROSA COUNTY...

AT 426 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR WEST CENTRAL 
SANTA ROSA COUNTY HAS WEAKENED TO BELOW SEVERE LIMITS. THUS THE 
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

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

LAT...LON 3081 8754 3064 8731 3061 8769 3080 8767
TIME...MOT...LOC 2126Z 354DEG 12KT 3070 8760

$$

ALC003-FLC033-052215-
/O.CON.KMOB.SV.W.0091.000000T0000Z-120605T2215Z/
ESCAMBIA FL-BALDWIN AL-
427 PM CDT TUE JUN 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR EAST CENTRAL BALDWIN AND CENTRAL ESCAMBIA COUNTIES...

AT 426 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 11 MILES
NORTHEAST OF LOXLEY...OR 11 MILES EAST OF STAPLETON...MOVING SOUTH AT
15 MPH.

LOCATIONS IMPACTED INCLUDE...
  RURAL EAST CENTRAL BALDWIN COUNTY
  RURAL CENTRAL ESCAMBIA COUNTY

THIS INCLUDES INTERSTATE 10 IN ALABAMA BETWEEN MILE MARKERS 50 AND
55.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3081 8754 3064 8731 3061 8769 3080 8767
TIME...MOT...LOC 2126Z 354DEG 12KT 3070 8760

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 3:09 PM CDTSevere Thunderstorm WarningMOBSanta Rosa36 min
Jun 5, 4:50 PM CDTSevere Thunderstorm WarningMOBBaldwin40 min
Jun 5, 5:14 PM CDTTornado WarningMOBBaldwin31 min
Jun 5, 6:33 PM CDTSmall Craft AdvisoryMOB4 hr

Nearby

Severe Thunderstorm Warnings in Florida, 2012Severe 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.