Alert archive / Arkansas / Tornado Watches in 2006

Tornado Watch 14

January 12, 200630 counties in Arkansas; 21 parishes in Louisiana; Dunklin County, Pemiscot County, Missouri

The Storm Prediction Center issued this tornado watch at Jan 12, 2006, 11:48 PM CST for 30 counties in Arkansas; 21 parishes in Louisiana; Dunklin County, Pemiscot County, Missouri. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jan 12, 2006, 11:48 PM CST (05:48 UTC)
Expired
Jan 13, 2006, 6:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 53 counties

Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Clay County, AR, Cleveland County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Desha County, AR, Drew County, AR, Greene County, AR, Independence County, AR, Jackson County, AR, Jefferson County, AR, Lawrence County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, Randolph County, AR, St. Francis County, AR, Union County, AR, White County, AR, Woodruff County, AR, Bienville Parish, LA, Caldwell Parish, LA, Catahoula Parish, LA, Claiborne Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Grant Parish, LA, Jackson Parish, LA, LaSalle Parish, LA, Lincoln Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Natchitoches Parish, LA, Ouachita Parish, LA, Richland Parish, LA, Sabine Parish, LA, Tensas Parish, LA, Union Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Dunklin County, MO, Pemiscot County, MO

The radar

The Little Rock radar (KLZK), 71 km from the middle of the area, began a volume at 05:51 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.

Warnings issued inside it

8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jan 12, 11:54 PM CSTSevere Thunderstorm WarningLZKIndependence, Izard, White66 min
Jan 13, 12:10 AM CSTSevere Thunderstorm WarningLZKLonoke65 min
Jan 13, 12:21 AM CSTSevere Thunderstorm WarningLZKIndependence, Sharp43 min
Jan 13, 12:29 AM CSTSevere Thunderstorm WarningLZKJefferson, Pulaski46 min
Jan 13, 2:09 AM CSTSevere Thunderstorm WarningLZKArkansas36 min
Jan 13, 2:13 AM CSTSevere Thunderstorm WarningLZKDesha47 min
Jan 13, 2:34 AM CSTSevere Thunderstorm WarningMEGMississippi41 min
Jan 13, 3:49 AM CSTSevere Thunderstorm WarningJANCatahoula41 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 5.8 hours before the alert went out and 160 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, Little Rock, AR at 00:00Z on 2006-01-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 311 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2006-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 346 square meters per square second.193958Sfc1 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
311 J/kg
Mixed-layer CIN
-248 J/kg
Mixed-layer LCL
670 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
346 m²/s²
0-3 km storm-relative helicity
375 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 12, 6:53 PM CSTTornado WatchSPCBaxter, Benton, Boone, Carroll, Clark, Cleburne and 39 more7 hr
Jan 12, 9:52 PM CSTMesoscale DiscussionSPCBaxter, Boone, Clark, Cleburne, Columbia, Conway and 32 more83 min
Jan 12, 11:10 PM CSTMesoscale DiscussionSPCArkansas, Ashley, Baxter, Bradley, Calhoun, Chicot and 35 more95 min
Jan 13, 1:08 AM CSTMesoscale DiscussionSPCCleburne, Columbia, Dallas, Faulkner, Fulton, Hot Spring and 6 more37 min
Jan 13, 1:47 AM CSTMesoscale DiscussionSPCEast Baton Rouge, East Feliciana, Livingston, Saint Helena, Saint Tammany, Tangipahoa and 2 more88 min
Jan 13, 2:14 AM CSTTornado WatchSPCAcadia, Allen, Ascension, Assumption, Avoyelles, East Baton Rouge and 28 more8 hr
Jan 13, 4:00 AM CSTMesoscale DiscussionSPCCatahoula, Concordia, East Carroll, Franklin, LaSalle, Madison and 1 more60 min
Jan 13, 5:20 AM CSTMesoscale DiscussionSPCAcadia, Ascension, Assumption, Avoyelles, Concordia, East Baton Rouge and 22 more85 min
Jan 12, 6:35 PM CSTMesoscale DiscussionSPCBarry, Christian, Dade, Dallas, Dent, Douglas and 15 more115 min

Nearby

Tornado Watches in Arkansas, 2006Tornado Watches in Louisiana, 2006Tornado Watches in Missouri, 2006Every tornado watch in 2006

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.