Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 30, NWS Mobile, AL

May 12, 2012Escambia County, Florida

NWS Mobile, AL issued this tornado warning at May 12, 2012, 8:00 PM CDT for Escambia County, Florida. It was in force for 30 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
May 12, 2012, 8:00 PM CDT (01:00 UTC)
Expired
May 12, 2012, 8:30 PM CDT
In force
30 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Escambia County, FL

The radar

The Mobile radar (KMOB), 94 km from the middle of the area, began a volume at 01:03 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 00:00Z, 1.0 hours before the alert went out and 231 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 00:00Z on 2012-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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 00:00Z on 2012-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 square meters per square second.19395878Sfc1 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
12 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1195 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
185 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.

591 
WFUS54 KMOB 130100
TORMOB
FLC033-130130-
/O.NEW.KMOB.TO.W.0030.120513T0100Z-120513T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
800 PM CDT SAT MAY 12 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL ESCAMBIA COUNTY IN NORTHWEST FLORIDA...

* UNTIL 830 PM CDT

* AT 759 PM CDT...A TORNADO HAS BEEN CONFIRMED. THE TORNADIC STORM
  WAS LOCATED 3 MILES WEST OF WARRINGTON...OR 7 MILES SOUTHEAST OF
  LILLIAN...MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WEST PENSACOLA...     WARRINGTON...         MYRTLE GROVE...
  GOULDING...           BRENT...              BELLVIEW...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO HAS BEEN CONFIRMED. TAKE COVER NOW. FOR YOUR PROTECTION 
MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING.

&&

LAT...LON 3037 8735 3053 8731 3047 8720 3035 8730
TIME...MOT...LOC 0100Z 211DEG 19KT 3041 8730

$$
2 follow-up statements
462 
WWUS54 KMOB 130117
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
817 PM CDT SAT MAY 12 2012

FLC033-130130-
/O.CON.KMOB.TO.W.0030.000000T0000Z-120513T0130Z/
ESCAMBIA FL-
817 PM CDT SAT MAY 12 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHEASTERN ESCAMBIA COUNTY...

AT 812 PM CDT...A SEVERE THUNDERSTORM WITH STRONG ROTATION AND LIKELY
PRODUCING A TORNADO WAS LOCATED NEAR MYRTLE GROVE...OR 9 MILES SOUTHEAST 
OF CANTONMENT...MOVING NORTHEAST AT 20 MPH.

LOCATIONS IMPACTED INCLUDE...
  WEST PENSACOLA...     WARRINGTON...         MYRTLE GROVE...
  GOULDING...           BRENT...              BELLVIEW...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. IF YOU WAIT TO SEE OR HEAR
IT COMING THEN IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

&&

LAT...LON 3040 8734 3053 8731 3047 8720 3038 8728
TIME...MOT...LOC 0116Z 211DEG 19KT 3048 8725

$$
077 
WWUS54 KMOB 130132
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
832 PM CDT SAT MAY 12 2012

FLC033-130142-
/O.EXP.KMOB.TO.W.0030.000000T0000Z-120513T0130Z/
ESCAMBIA FL-
832 PM CDT SAT MAY 12 2012

...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE FOR SOUTHEASTERN
ESCAMBIA COUNTY...

AT 826 PM CDT...THE STORM THAT PROMPTED THE WARNING FOR SOUTHEASTERN 
ESCAMBIA COUNTY HAS WEAKENED...WITH NO FURTHER REPORTS OF A TORNADO. 
THUS THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3040 8734 3053 8731 3047 8720 3038 8728
TIME...MOT...LOC 0117Z 211DEG 19KT 3048 8724

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 7:44 PM CDTTornado WarningMOBEscambia16 min
May 12, 9:05 PM CDTAreal Flood AdvisoryMOBEscambia, Santa Rosa115 min
May 13, 6:40 AM CDTSevere Thunderstorm WarningMOBOkaloosa35 min
May 13, 7:14 AM CDTTornado WarningMOBOkaloosa33 min

Nearby

Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes 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.