Alert archive / Alabama / Tornado Warnings in 2010

Tornado Warning 5, NWS Mobile, AL

March 10, 2010Choctaw County, Clarke County, Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Mar 10, 2010, 7:44 PM CST for Choctaw County, Clarke County, Washington County, Alabama. It was in force for 31 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
Mar 10, 2010, 7:44 PM CST (01:44 UTC)
Expired
Mar 10, 2010, 8:15 PM CST
In force
31 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), 123 km from the middle of the area, began a volume at 01:48 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
Mar 10, 1:05 PM CSTTornado WatchSPC7 hr
Mar 10, 7:24 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 1.7 hours before the alert went out and 194 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 2010-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 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 2010-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 497 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
24 J/kg
Mixed-layer CIN
-265 J/kg
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
497 m²/s²
0-3 km storm-relative helicity
544 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.3

Open this sounding in Storm Lab

The text

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

813 
WFUS54 KMOB 110144
TORMOB
ALC023-025-129-110215-
/O.NEW.KMOB.TO.W.0005.100311T0144Z-100311T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
744 PM CST WED MAR 10 2010

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME SOUTHEASTERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
  NORTHERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITY OF GROVE HILL...
  NORTHEAST WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 815 PM CST

* AT 743 PM CST...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES EAST OF
  BIGBEE...OR ABOUT 14 MILES NORTHEAST OF CHATOM...MOVING NORTHEAST
  AT 25 MPH.

THE SAFEST PLACE TO BE DURING A TORNADO IS ON THE LOWEST FLOOR OF A 
STURDY BUILDING...PREFERABLY IN AN INTERIOR HALLWAY OR A ROOM SUCH AS
A CLOSET OR BATHROOM. IF POSSIBLE...GET UNDER A WORKBENCH OR OTHER 
PIECE OF STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY
AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 3198 8802 3172 8764 3154 8806 3161 8818
TIME...MOT...LOC 0144Z 219DEG 21KT 3159 8807

$$
2 follow-up statements
308 
WWUS54 KMOB 110206
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
806 PM CST WED MAR 10 2010

ALC023-025-129-110215-
/O.CON.KMOB.TO.W.0005.000000T0000Z-100311T0215Z/
WASHINGTON AL-CLARKE AL-CHOCTAW AL-
806 PM CST WED MAR 10 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CST FOR EXTREME
SOUTHEASTERN CHOCTAW...NORTHERN CLARKE AND NORTH CENTRAL WASHINGTON
COUNTIES...

AT 804 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THE 
TORNADO WAS PASSING NEAR WINN...OR ABOUT 13 MILES WEST OF GROVE 
HILL...MOVING NORTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PEACOCK...OPINE...DICKINSON AND CHILTON

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER TO HALF DOLLAR SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS 
NEAR 60 MPH.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST THURSDAY MORNING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3198 8802 3172 8764 3154 8806 3161 8818
TIME...MOT...LOC 0205Z 223DEG 20KT 3166 8797

$$
680 
WWUS54 KMOB 110209
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
809 PM CST WED MAR 10 2010

ALC023-129-110217-
/O.CAN.KMOB.TO.W.0005.000000T0000Z-100311T0215Z/
WASHINGTON AL-CHOCTAW AL-
809 PM CST WED MAR 10 2010

...THE TORNADO WARNING FOR EXTREME SOUTHEASTERN CHOCTAW AND NORTH
CENTRAL WASHINGTON COUNTIES IS CANCELLED...

THE SEVERE THUNDERSTORM HAS MOVED EAST OF SOUTHEASTERN CHOCTAW AND 
NORTHEASTERN WASHINGTON COUNTIES.  

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST THURSDAY MORNING 
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.  STAY TUNED FOR 
ADDITIONAL WARNINGS THAT MAY BECOME NECESSARY.  

LAT...LON 3160 8798 3167 8806 3195 8798 3175 8768
TIME...MOT...LOC 0207Z 223DEG 20KT 3167 8796

$$

ALC025-110215-
/O.CON.KMOB.TO.W.0005.000000T0000Z-100311T0215Z/
CLARKE AL-
809 PM CST WED MAR 10 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CST FOR NORTHERN
CLARKE COUNTY...

AT 806 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS NEAR WINN...OR ABOUT 12 MILES WEST OF GROVE HILL...MOVING
NORTHEAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
PEACOCK...OPINE...DICKINSON AND CHILTON.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER TO HALF DOLLAR SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS 
NEAR 60 MPH.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CST THURSDAY MORNING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3160 8798 3167 8806 3195 8798 3175 8768
TIME...MOT...LOC 0207Z 223DEG 20KT 3167 8796

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 6:16 PM CSTSevere Thunderstorm WarningMOBClarke, Washington44 min
Mar 10, 6:19 PM CSTTornado WarningMOBWashington41 min
Mar 10, 6:27 PM CSTSevere Thunderstorm WarningMOBChoctaw20 min
Mar 10, 7:00 PM CSTSevere Thunderstorm WarningMOBClarke45 min
Mar 10, 7:13 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington62 min
Mar 10, 7:51 PM CSTRiver Flood WarningMOBDallas, Monroe, Wilcox8 days
Mar 10, 8:16 PM CSTSevere Thunderstorm WarningMOBClarke, Wilcox32 min
Mar 10, 9:02 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw58 min
Mar 10, 9:35 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw55 min
Mar 10, 9:40 PM CSTTornado WarningMOBCrenshaw50 min
Mar 10, 9:46 PM CSTSpecial Marine WarningMOB119 min
Mar 10, 9:48 PM CSTTornado WarningMOBConecuh, Monroe30 min
Mar 10, 11:45 PM CSTFlash Flood WarningMOBButler, Conecuh, Covington, Crenshaw2 hr
Mar 11, 12:11 AM CSTSpecial Marine WarningMOB64 min
Mar 11, 12:15 AM CSTSpecial Marine WarningMOB60 min
Mar 11, 12:39 AM CSTSpecial Marine WarningMOB51 min
Mar 11, 1:38 AM CSTSpecial Marine WarningMOB97 min
Mar 11, 1:49 AM CSTSpecial Marine WarningMOB56 min
Mar 11, 3:13 AM CSTSpecial Marine WarningMOB33 min
Mar 11, 3:40 AM CSTSpecial Marine WarningMOB95 min
Mar 11, 4:08 AM CSTMarine Weather StatementMOB112 min
Mar 11, 9:35 AM CSTRiver Flood WarningMOBEscambia9 days

Nearby

Tornado Warnings in Alabama, 2010Every tornado warning in 2010Tornadoes in 2010

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.