Alert archive / Florida / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 90, NWS Mobile, AL

June 5, 2012Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jun 5, 2012, 3:09 PM CDT for Santa Rosa County, Florida. It was in force for 36 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, 3:09 PM CDT (20:09 UTC)
Expired
Jun 5, 2012, 3:45 PM CDT
In force
36 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 106 km from the middle of the area, began a volume at 20:09 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, 8.2 hours before the alert went out and 251 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.

114 
WUUS54 KMOB 052009
SVRMOB
FLC113-052045-
/O.NEW.KMOB.SV.W.0090.120605T2009Z-120605T2045Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 345 PM CDT

* AT 309 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER
  SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 8 MILES EAST
  OF MOLINO...OR NEAR WALLACE...AND MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WHITING FIELD...      WALLACE...            SKYLINE...
  ROEVILLE...           POINT BAKER...        PEA RIDGE...
  MILTON...             ALLENTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3065 8724 3078 8721 3083 8695 3055 8700
TIME...MOT...LOC 2009Z 276DEG 11KT 3071 8717

$$
1 follow-up statement
337 
WWUS54 KMOB 052020
SVSMOB

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

FLC113-052045-
/O.CON.KMOB.SV.W.0090.000000T0000Z-120605T2045Z/
SANTA ROSA FL-
320 PM CDT TUE JUN 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR CENTRAL SANTA ROSA COUNTY...

AT 320 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL
SIZE HAIL AND DAMAGING WINDS OVER 60 MPH WAS LOCATED 7 MILES
NORTHWEST OF MILTON...OR 3 MILES NORTHEAST OF WALLACE...MOVING EAST
AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  WHITING FIELD...      SKYLINE...            ROEVILLE...
  POINT BAKER...        MILTON...             ALLENTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3064 8718 3079 8717 3083 8695 3055 8700
TIME...MOT...LOC 2020Z 276DEG 11KT 3071 8713

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 4:08 PM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa67 min

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.