Alert archive / Alabama / Tornado Warnings in 2013

Tornado Warning 15, NWS Mobile, AL

February 10, 2013Choctaw County, Clarke County, Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Feb 10, 2013, 7:45 PM CST for Choctaw County, Clarke County, Washington County, Alabama. It was in force for 45 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
Feb 10, 2013, 7:45 PM CST (01:45 UTC)
Expired
Feb 10, 2013, 8:30 PM CST
In force
45 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

Counties Choctaw County, AL, Clarke County, AL, Washington County, AL

The radar

The Mobile radar (KMOB), 131 km from the middle of the area, began a volume at 01:46 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 10, 3:14 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.8 hours before the alert went out and 185 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, Birmingham, AL at 00:00Z on 2013-02-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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, Birmingham, AL at 00:00Z on 2013-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -133 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
14 J/kg
Mixed-layer CIN
-278 J/kg
Mixed-layer LCL
607 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
-133 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

403 
WFUS54 KMOB 110145
TORMOB
ALC023-025-129-110230-
/O.NEW.KMOB.TO.W.0015.130211T0145Z-130211T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
745 PM CST SUN FEB 10 2013

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
  NORTHERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
  NORTH CENTRAL WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 830 PM CST

* AT 742 PM CST...A SEVERE THUNDERSTORM WITH STRONG ROTATION AND
  LIKELY PRODUCING A TORNADO WAS LOCATED 17 MILES NORTH OF CHATOM...
  OR 5 MILES SOUTHEAST OF SILAS...MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  THOMASVILLE...        FULTON...             COFFEEVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST SUNDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3199 8771 3174 8762 3164 8826 3178 8832
TIME...MOT...LOC 0146Z 252DEG 37KT 3173 8821

$$
2 follow-up statements
241 
WWUS54 KMOB 110200
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
800 PM CST SUN FEB 10 2013

ALC129-110210-
/O.CAN.KMOB.TO.W.0015.000000T0000Z-130211T0230Z/
WASHINGTON AL-
800 PM CST SUN FEB 10 2013

...THE TORNADO WARNING HAS BEEN CANCELLED FOR NORTH CENTRAL
WASHINGTON COUNTY...

AT 755 PM CST...THE STORM THAT PROMPTED THE WARNING FOR NORTH CENTRAL
WASHINGTON COUNTY HAS MOVED OUT OF THE COUNTY...THUS THE TORNADO 
WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST SUNDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3170 8812 3181 8818 3199 8771 3174 8762
TIME...MOT...LOC 0200Z 252DEG 37KT 3177 8805

$$

ALC023-025-110230-
/O.CON.KMOB.TO.W.0015.000000T0000Z-130211T0230Z/
CHOCTAW AL-CLARKE AL-
800 PM CST SUN FEB 10 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CST FOR NORTHERN
CLARKE AND SOUTHEASTERN CHOCTAW COUNTIES...

AT 755 PM CST...A SEVERE THUNDERSTORM WITH STRONG ROTATION AND LIKELY
PRODUCING A TORNADO  WAS LOCATED 20 MILES WEST OF GROVE HILL...OR
NEAR COFFEEVILLE...MOVING EAST AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
  THOMASVILLE...        FULTON...             COFFEEVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST SUNDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3170 8812 3181 8818 3199 8771 3174 8762
TIME...MOT...LOC 0200Z 252DEG 37KT 3177 8805

$$
857 
WWUS54 KMOB 110210 RRA
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
810 PM CST SUN FEB 10 2013

ALC023-025-110221-
/O.CAN.KMOB.TO.W.0015.000000T0000Z-130211T0230Z/
CHOCTAW AL-CLARKE AL-
810 PM CST SUN FEB 10 2013

...THE TORNADO WARNING HAS BEEN CANCELLED FOR NORTHERN CLARKE AND
SOUTHEASTERN CHOCTAW COUNTIES...

AT 809 PM CST...THE STORM THAT PROMPTED THE WARNING FOR NORTHERN
CLARKE AND SOUTHEASTERN CHOCTAW COUNTIES HAS WEAKENED TO BELOW SEVERE
LIMITS...THUS THE TORNADO WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST SUNDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3170 8812 3181 8818 3199 8771 3174 8762
TIME...MOT...LOC 0211Z 252DEG 37KT 3180 8792

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 6:12 PM CSTFlash Flood WarningMOBChoctaw, Clarke, Monroe, Washington, Wilcox6 hr
Feb 10, 6:12 PM CSTTornado WarningMOBClarke, Monroe, Wilcox63 min
Feb 10, 6:26 PM CSTTornado WarningMOBButler, Conecuh, Monroe64 min
Feb 10, 6:33 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Crenshaw, Monroe, Wilcox57 min
Feb 10, 6:40 PM CSTTornado WarningMOBChoctaw, Clarke, Washington50 min
Feb 10, 6:51 PM CSTTornado WarningMOBButler, Conecuh, Covington, Crenshaw54 min
Feb 10, 7:11 PM CSTTornado WarningMOBChoctaw, Clarke, Washington49 min
Feb 10, 7:30 PM CSTTornado WarningMOBClarke, Monroe, Wilcox45 min
Feb 10, 7:37 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw, Escambia53 min
Feb 10, 7:40 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington50 min
Feb 10, 8:06 PM CSTRiver Flood WarningMOBClarke, Monroe, Wilcox10 days
Feb 10, 8:41 PM CSTSevere Thunderstorm WarningMOBBaldwin, Butler, Clarke, Monroe, Washington, Wilcox64 min
Feb 10, 8:53 PM CSTAreal Flood AdvisoryMOBButler, Conecuh, Covington2 hr
Feb 10, 9:17 PM CSTTornado WarningMOBClarke, Washington43 min
Feb 10, 9:55 PM CSTSevere Thunderstorm WarningMOBButler, Monroe, Wilcox50 min
Feb 11, 12:14 AM CSTFlash Flood WarningMOBChoctaw, Clarke, Monroe, Washington, Wilcox6 hr
Feb 11, 1:53 AM CSTMarine Dense Fog AdvisoryMOB8 hr
Feb 11, 2:25 AM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington, Wilcox50 min
Feb 11, 3:02 AM CSTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox43 min
Feb 11, 5:33 AM CSTDense Fog AdvisoryMOB3 hr
Feb 11, 6:29 AM CSTAreal Flood WarningMOBChoctaw, Clarke, Monroe, Washington, Wilcox6 hr
Feb 11, 9:49 AM CSTRiver Flood WarningMOBEscambia11 hr
Feb 11, 9:49 AM CSTRiver Flood WarningMOBDallas, Monroe, Wilcox7 days
Feb 11, 9:49 AM CSTRiver Flood WarningMOBCovington, Escambia11 hr
Feb 11, 12:14 PM CSTAreal Flood WarningMOBChoctaw, Clarke, Monroe, Washington, Wilcox18 hr
Feb 11, 12:25 PM CSTAreal Flood WarningMOBButler, Conecuh, Covington, Escambia, Monroe18 hr
Feb 11, 4:27 PM CSTRiver Flood WarningMOBBaldwin, Mobile4 hr

Nearby

Tornado Warnings in Alabama, 2013Every tornado warning in 2013Tornadoes in 2013

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.