Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 76, NWS Mobile, AL

December 10, 2012Escambia County, Santa Rosa County, Florida

NWS Mobile, AL issued this tornado warning at Dec 10, 2012, 11:07 AM CST for Escambia County, Santa Rosa County, Florida. It was in force for 38 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
Dec 10, 2012, 11:07 AM CST (17:07 UTC)
Expired
Dec 10, 2012, 11:45 AM CST
In force
38 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Escambia County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 108 km from the middle of the area, began a volume at 17:06 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, 5.1 hours before the alert went out and 255 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 2012-12-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 767 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2012-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 237 square meters per square second.1939587897Sfc1 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
767 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
237 m²/s²
0-3 km storm-relative helicity
263 m²/s²
Significant tornado parameter
1.3
Supercell composite
7.9

Open this sounding in Storm Lab

The text

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

261 
WFUS54 KMOB 101707
TORMOB
FLC033-113-101745-
/O.NEW.KMOB.TO.W.0076.121210T1707Z-121210T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1107 AM CST MON DEC 10 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  NORTHERN SANTA ROSA COUNTY IN NORTHWEST FLORIDA...

* UNTIL 1145 AM CST

* AT 1102 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 7 MILES NORTHWEST OF MOLINO...OR 15 MILES
  SOUTHWEST OF PINE LEVEL...MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WHITFIELD...          PINE LEVEL...         JAY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3100 8722 3100 8679 3083 8679 3075 8712
      3077 8741 3087 8741
TIME...MOT...LOC 1707Z 242DEG 25KT 3082 8735

$$
4 follow-up statements
104 
WWUS54 KMOB 101719
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1119 AM CST MON DEC 10 2012

FLC033-101729-
/O.CAN.KMOB.TO.W.0076.000000T0000Z-121210T1745Z/
ESCAMBIA FL-
1119 AM CST MON DEC 10 2012

...THE TORNADO WARNING HAS BEEN CANCELLED FOR NORTHEASTERN ESCAMBIA
COUNTY...

AT 1115 AM CST...THE STORM THAT PROMPTED THE WARNING FOR NORTHEASTERN
ESCAMBIA COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE TORNADO 
WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3083 8679 3075 8712 3076 8730 3077 8731
      3081 8729 3086 8731 3089 8728 3092 8728
      3093 8725 3096 8724 3097 8721 3100 8716
      3100 8679 3099 8679
TIME...MOT...LOC 1719Z 238DEG 30KT 3087 8725

$$

FLC113-101745-
/O.CON.KMOB.TO.W.0076.000000T0000Z-121210T1745Z/
SANTA ROSA FL-
1119 AM CST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CST FOR NORTHERN
SANTA ROSA COUNTY...

AT 1115 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
 WAS LOCATED 8 MILES SOUTH OF CENTURY...OR 9 MILES WEST OF PINE
LEVEL...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  WHITFIELD...          PINE LEVEL...         JAY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3083 8679 3075 8712 3076 8730 3077 8731
      3081 8729 3086 8731 3089 8728 3092 8728
      3093 8725 3096 8724 3097 8721 3100 8716
      3100 8679 3099 8679
TIME...MOT...LOC 1719Z 238DEG 30KT 3087 8725

$$
303 
WWUS54 KMOB 101730
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1130 AM CST MON DEC 10 2012

FLC113-101745-
/O.CON.KMOB.TO.W.0076.000000T0000Z-121210T1745Z/
SANTA ROSA FL-
1130 AM CST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CST FOR NORTHERN
SANTA ROSA COUNTY...

AT 1125 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
 WAS LOCATED 7 MILES SOUTHEAST OF CENTURY...OR 3 MILES WEST OF PINE
LEVEL...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  WHITFIELD...          PINE LEVEL...         JAY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3090 8679 3082 8706 3084 8719 3087 8724
      3090 8725 3097 8721 3100 8716 3099 8679
TIME...MOT...LOC 1730Z 240DEG 29KT 3092 8715

$$
927 
WWUS54 KMOB 101735
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1135 AM CST MON DEC 10 2012

FLC113-101745-
/O.CON.KMOB.TO.W.0076.000000T0000Z-121210T1745Z/
SANTA ROSA FL-
1135 AM CST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CST FOR NORTH
CENTRAL SANTA ROSA COUNTY...

AT 1134 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 9 MILES EAST OF CENTURY...OR 2 MILES SOUTHEAST OF 
JAY...MOVING NORTHEAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  PINE LEVEL...         JAY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3090 8696 3089 8715 3092 8716 3100 8716
      3099 8687
TIME...MOT...LOC 1735Z 240DEG 29KT 3094 8711

$$
577 
WWUS54 KMOB 101747
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1147 AM CST MON DEC 10 2012

FLC113-101757-
/O.EXP.KMOB.TO.W.0076.000000T0000Z-121210T1745Z/
SANTA ROSA FL-
1147 AM CST MON DEC 10 2012

...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE FOR NORTH CENTRAL
SANTA ROSA COUNTY...

AT 1143 AM CST...THE STORM THAT PROMPTED THE WARNING FOR NORTH 
CENTRAL SANTA ROSA COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE 
TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CST MONDAY AFTERNOON
FOR SOUTHWESTERN ALABAMA.

LAT...LON 3090 8696 3089 8715 3092 8716 3100 8716
      3099 8687
TIME...MOT...LOC 1735Z 240DEG 29KT 3094 8711

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 10:37 AM CSTTornado WarningMOBEscambia38 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.