Alert archive / Alabama / Tornado Warnings in 2010

Tornado Warning 4, NWS Mobile, AL

March 10, 2010Washington County, Alabama

NWS Mobile, AL issued this tornado warning at Mar 10, 2010, 6:19 PM CST for Washington County, Alabama. It was in force for 41 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, 6:19 PM CST (00:19 UTC)
Expired
Mar 10, 2010, 7:00 PM CST
In force
41 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon

County Washington County, AL

The radar

The Mobile radar (KMOB), 91 km from the middle of the area, began a volume at 00:20 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

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 0.3 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, Jackson, MS at 00:00Z on 2010-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1268 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, Jackson, MS at 00:00Z on 2010-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
1268 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1282 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

637 
WFUS54 KMOB 110019
TORMOB
ALC129-110100-
/O.NEW.KMOB.TO.W.0004.100311T0019Z-100311T0100Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  WASHINGTON COUNTY IN SOUTHWEST ALABAMA...  
  THIS INCLUDES THE CITY OF CHATOM...

* UNTIL 700 PM CST

* AT 615 PM CST...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO...NEAR FRUITDALE...OR
  ABOUT 12 MILES SOUTHWEST OF CHATOM...MOVING NORTHEAST AT 15 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST WEDNESDAY EVENING 
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3166 8827 3148 8799 3131 8835 3136 8844
TIME...MOT...LOC 0019Z 225DEG 13KT 3135 8839

$$
3 follow-up statements
808 
WWUS54 KMOB 110027
SVSMOB

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

ALC129-110100-
/O.CON.KMOB.TO.W.0004.000000T0000Z-100311T0100Z/
WASHINGTON AL-
627 PM CST WED MAR 10 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CST FOR 
WASHINGTON COUNTY...

AT 625 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS ABOUT 8 MILES WEST OF 
TIBBIE...OR ABOUT 9 MILES SOUTHWEST OF CHATOM...MOVING NORTHEAST AT 
25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
JORDAN...YARBO...LOPER AND KOENTON

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST WEDNESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3166 8827 3148 8799 3131 8835 3136 8844
TIME...MOT...LOC 0026Z 210DEG 18KT 3140 8838

$$
541 
WWUS54 KMOB 110047
SVSMOB

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

ALC129-110100-
/O.CON.KMOB.TO.W.0004.000000T0000Z-100311T0100Z/
WASHINGTON AL-
647 PM CST WED MAR 10 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CST FOR 
WASHINGTON COUNTY...

AT 637 PM CST....NWS DOPPER RADAR INDICATED A TORNADO JUST WEST OF 
CHATOM...MOVING NORTHEAST AT 25 MPH.  RADAR INDICATES ANOTHER 
CIRCULATION STRENTHENING FARTHER TO THE SOUTHEAST ABOUT 2 MILES 
SOUTHWEST OF CHATOM.  ANOTHER TORNADO MAY BE FORMING FROM THIS NEW 
CIRCULATION...MOVING INTO THE SOUTHERN SECTIONS OF CHATOM.  PERSONS 
IN CHATOM AND AREAS JUST SOUTH OF CHATOM SHOULD ALSO TAKE COVER 
NOW.    

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
JORDAN...YARBO...LOPER AND KOENTON

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST WEDNESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3166 8827 3148 8799 3131 8835 3136 8844
TIME...MOT...LOC 0042Z 214DEG 18KT 3147 8832

$$
877 
WWUS54 KMOB 110102
SVSMOB

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

ALC129-110111-
/O.EXP.KMOB.TO.W.0004.000000T0000Z-100311T0100Z/
WASHINGTON AL-
702 PM CST WED MAR 10 2010

...THE TORNADO WARNING FOR WASHINGTON COUNTY HAS BEEN ALLOWED TO 
EXPIRE...

THIS STORM MAY STILL BE PRODUCING GUSTY WINDS AROUND 45 MPH AND HAIL 
TO THE SIZE OF NICKELS AS IT PASSES NORTH OF THE CHATOM AREA.  THE 
STORM WILL CONTINUE MOVING NORTHEAST AT 25 MPH...AND WILL CONTINUE 
TO BE MONITORED FOR ADDITIONAL STRENGTHENING.  

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CST WEDNESDAY EVENING
FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.

LAT...LON 3166 8827 3148 8799 3131 8835 3136 8844
TIME...MOT...LOC 0047Z 214DEG 18KT 3149 8830

$$

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, 6:27 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, 7:44 PM CSTTornado WarningMOBChoctaw, Clarke, Washington31 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.