Alert archive / Alabama / Tornado Warnings in 2012

Tornado Warning 72, NWS Mobile, AL

December 10, 2012Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Dec 10, 2012, 10:03 AM CST for Baldwin County, Alabama. It was in force for 42 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, 10:03 AM CST (16:03 UTC)
Expired
Dec 10, 2012, 10:45 AM CST
In force
42 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 64 km from the middle of the area, began a volume at 16:07 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, 4.1 hours before the alert went out and 209 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°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.

940 
WFUS54 KMOB 101603
TORMOB
ALC003-101645-
/O.NEW.KMOB.TO.W.0072.121210T1603Z-121210T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1003 AM CST MON DEC 10 2012

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 1045 AM CST

* AT 1002 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 5 MILES EAST OF DAPHNE...OR 5 MILES NORTHWEST
  OF SILVERHILL...MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ROBERTSDALE...        LOXLEY...

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 42 AND 59.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3062 8788 3080 8758 3078 8754 3074 8753
      3072 8748 3070 8747 3070 8745 3068 8741
      3064 8739 3060 8741 3053 8784
TIME...MOT...LOC 1603Z 241DEG 24KT 3058 8782

$$
2 follow-up statements
324 
WWUS54 KMOB 101616
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1016 AM CST MON DEC 10 2012

ALC003-101645-
/O.CON.KMOB.TO.W.0072.000000T0000Z-121210T1645Z/
BALDWIN AL-
1016 AM CST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 AM CST FOR CENTRAL
BALDWIN COUNTY...

AT 1011 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR LOXLEY...OR 5 MILES NORTH OF SILVERHILL...MOVING 
NORTHEAST AT 25 MPH.

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

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 44 AND 58.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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

&&

LAT...LON 3062 8781 3069 8775 3080 8758 3078 8755
      3074 8753 3072 8748 3070 8747 3070 8745
      3068 8741 3064 8739 3060 8741 3057 8775
TIME...MOT...LOC 1615Z 241DEG 23KT 3063 8774

$$
174 
WWUS54 KMOB 101625
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1025 AM CST MON DEC 10 2012

ALC003-101645-
/O.CON.KMOB.TO.W.0072.000000T0000Z-121210T1645Z/
BALDWIN AL-
1025 AM CST MON DEC 10 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 AM CST FOR EAST
CENTRAL BALDWIN COUNTY...

AT 1020 AM CST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
 WAS LOCATED 5 MILES NORTHEAST OF LOXLEY...OR 8 MILES NORTHEAST OF
SILVERHILL...MOVING NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  RURAL EAST CENTRAL BALDWIN COUNTY

THIS INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 47 AND 55.

THE STORM ROTATION APPEARS TO BE INTENSIFYING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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

&&

LAT...LON 3062 8769 3064 8773 3068 8772 3074 8764
      3074 8753 3072 8748 3070 8747 3070 8745
      3067 8741 3065 8745 3061 8764
TIME...MOT...LOC 1625Z 241DEG 27KT 3067 8765

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 10, 3:51 AM CSTSmall Craft AdvisoryMOB29 hr
Dec 10, 9:43 AM CSTSpecial Marine WarningMOB2 hr
Dec 10, 9:53 AM CSTSevere Thunderstorm WarningMOBChoctaw52 min
Dec 10, 10:31 AM CSTSevere Thunderstorm WarningMOBWashington49 min
Dec 10, 10:36 AM CSTTornado WarningMOBChoctaw, Washington40 min
Dec 10, 10:37 AM CSTTornado WarningMOBBaldwin38 min
Dec 10, 10:58 AM CSTTornado WarningMOBClarke41 min
Dec 10, 11:32 AM CSTSevere Thunderstorm WarningMOBMobile, Washington42 min
Dec 10, 11:36 AM CSTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox54 min
Dec 10, 12:09 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Monroe47 min
Dec 10, 12:18 PM CSTSevere Thunderstorm WarningMOBButler, Monroe, Wilcox42 min
Dec 10, 12:30 PM CSTSevere Thunderstorm WarningMOBClarke, Conecuh, Monroe28 min
Dec 10, 12:32 PM CSTSevere Thunderstorm WarningMOBButler, Wilcox29 min
Dec 10, 12:37 PM CSTSpecial Marine WarningMOB92 min

Nearby

Tornado Warnings in Alabama, 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.