Alert archive / Alabama / Tornado Warnings in 2013

Tornado Warning 6, NWS Mobile, AL

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

NWS Mobile, AL issued this tornado warning at Feb 10, 2013, 5:40 PM CST for Choctaw County, Clarke County, Washington County, Alabama. It was in force for 65 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Feb 10, 2013, 5:40 PM CST (23:40 UTC)
Expired
Feb 10, 2013, 6:45 PM CST
In force
65 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), 118 km from the middle of the area, began a volume at 23:41 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.

What was reported inside it

TimeReportWhereRemark
Feb 10, 6:00 PM CSTHAIL 1.75Coffeeville, ALGOLF BALL SIZE HAIL AND TREES DOWN IN COFFEEVILLE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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 12:00Z, 11.7 hours before the alert went out and 200 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 12:00Z on 2013-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2013-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 319 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1188 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
319 m²/s²
0-3 km storm-relative helicity
364 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.

635 
WFUS54 KMOB 102340
TORMOB
ALC023-025-129-110045-
/O.NEW.KMOB.TO.W.0006.130210T2340Z-130211T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
540 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...
  NORTHWESTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
  NORTH CENTRAL WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 645 PM CST

* AT 536 PM CST...ANOTHER SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 16 MILES NORTH OF CHATOM...OR 4 MILES NORTH OF
  MILLRY...MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SILAS...              COFFEEVILLE...        MILLRY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3164 8777 3162 8834 3174 8841 3199 8788
TIME...MOT...LOC 2340Z 256DEG 33KT 3170 8825

$$
1 follow-up statement
436 
WWUS54 KMOB 102353
SVSMOB

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

ALC023-025-129-110045-
/O.CON.KMOB.TO.W.0006.000000T0000Z-130211T0045Z/
CHOCTAW AL-WASHINGTON AL-CLARKE AL-
553 PM CST SUN FEB 10 2013

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CST FOR
NORTHWESTERN CLARKE...NORTH CENTRAL WASHINGTON AND SOUTH CENTRAL
CHOCTAW COUNTIES...

AT 550 PM CST...A SEVERE THUNDERSTORM WITH STRONG ROTATION AND LIKELY
PRODUCING A TORNADO  WAS LOCATED 21 MILES NORTH OF CHATOM...OR 4
MILES WEST OF COFFEEVILLE...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  COFFEEVILLE...

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 1100 PM CST SUNDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

&&

LAT...LON 3164 8777 3166 8820 3181 8827 3199 8788
TIME...MOT...LOC 2353Z 252DEG 33KT 3176 8813

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 4:22 AM CSTFlash Flood WatchMOBButler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more65 hr
Feb 10, 10:51 AM CSTRiver Flood WarningMOBEscambia24 days
Feb 10, 4:45 PM CSTSevere Thunderstorm WarningMOBClarke, Washington60 min
Feb 10, 4:48 PM CSTSevere Thunderstorm WarningMOBChoctaw, Washington57 min
Feb 10, 4:50 PM CSTTornado WarningMOBClarke, Washington55 min
Feb 10, 5:17 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington58 min
Feb 10, 5:27 PM CSTTornado WarningMOBChoctaw, Washington48 min
Feb 10, 5:30 PM CSTTornado WarningMOBClarke, Monroe, Wilcox60 min
Feb 10, 5:55 PM CSTTornado WarningMOBChoctaw, Washington65 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.