Alert archive / Arkansas / Severe Thunderstorm Watches in 2005

Severe Thunderstorm Watch 210

April 29, 20054 states

The Storm Prediction Center issued this severe thunderstorm watch at Apr 29, 2005, 12:50 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Apr 29, 2005, 12:50 PM CDT (17:50 UTC)
Expired: Apr 29, 2005, 7:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 60 counties

Lauderdale County, AL, Cleburne County, AR, Conway County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Faulkner County, AR, Garland County, AR, Hot Spring County, AR, Jackson County, AR, Lee County, AR, Logan County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Montgomery County, AR, Perry County, AR, Poinsett County, AR, Polk County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Sebastian County, AR, St. Francis County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Alcorn County, MS, Benton County, MS, DeSoto County, MS, Marshall County, MS, Tate County, MS, Tippah County, MS, Tunica County, MS, Benton County, TN, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dickson County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Hickman County, TN, Humphreys County, TN, Lauderdale County, TN, Lawrence County, TN, Lewis County, TN, Madison County, TN, McNairy County, TN, Perry County, TN, Shelby County, TN, Tipton County, TN, Wayne County, TN

The radar

The Little Rock radar (KLZK), 83 km from the middle of the area, began a volume at 17:52 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

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

Issued	Product	Office	Counties	Lasted
Apr 29, 2:15 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne	30 min
Apr 29, 2:33 PM CDT	Severe Thunderstorm Warning	LZK	Independence, Jackson, White	57 min
Apr 29, 2:52 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Poinsett	23 min
Apr 29, 3:09 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne	36 min
Apr 29, 3:12 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	41 min
Apr 29, 3:24 PM CDT	Severe Thunderstorm Warning	MEG	Poinsett	40 min
Apr 29, 3:29 PM CDT	Severe Thunderstorm Warning	LZK	White	31 min
Apr 29, 3:31 PM CDT	Severe Thunderstorm Warning	MEG	Lauderdale	44 min
Apr 29, 3:44 PM CDT	Severe Thunderstorm Warning	LZK	Jackson	46 min
Apr 29, 4:13 PM CDT	Severe Thunderstorm Warning	MEG	Crockett, Lauderdale	33 min
Apr 29, 4:18 PM CDT	Severe Thunderstorm Warning	MEG	Cross, Poinsett	42 min
Apr 29, 4:38 PM CDT	Severe Thunderstorm Warning	MEG	Gibson	38 min
Apr 29, 4:56 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi, Poinsett	49 min
Apr 29, 5:23 PM CDT	Severe Thunderstorm Warning	MEG	Lauderdale, Tipton	53 min
Apr 29, 5:43 PM CDT	Severe Thunderstorm Warning	MEG	Gibson, Weakley	27 min
Apr 29, 5:54 PM CDT	Severe Thunderstorm Warning	MEG	Haywood	43 min
Apr 29, 6:04 PM CDT	Severe Thunderstorm Warning	OHX	Humphreys	26 min
Apr 29, 6:30 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Humphreys	49 min
Apr 29, 6:45 PM CDT	Severe Thunderstorm Warning	MEG	Shelby	22 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 12:00Z, 5.8 hours before the alert went out and 146 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1155 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 198 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 28, 7:39 PM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Cleburne, Conway and 21 more	96 min
Apr 28, 9:51 PM CDT	Mesoscale Discussion	SPC	Baxter, Clay, Cleburne, Craighead, Fulton, Greene and 11 more	84 min
Apr 29, 4:36 AM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Cleburne, Crawford and 15 more	114 min
Apr 29, 6:20 AM CDT	Severe Thunderstorm Watch	SPC	Baxter, Benton, Boone, Carroll, Clay, Cleburne and 30 more	7 hr
Apr 29, 9:34 AM CDT	Mesoscale Discussion	SPC	Conway, Crittenden, Cross, Faulkner, Lee, Logan and 12 more	116 min
Apr 29, 12:25 PM CDT	Mesoscale Discussion	SPC	Cleburne, Conway, Craighead, Crittenden, Cross, Faulkner and 19 more	35 min
Apr 29, 2:28 PM CDT	Mesoscale Discussion	SPC	Bradley, Calhoun, Clark, Cleveland, Columbia, Dallas and 13 more	107 min
Apr 29, 3:35 PM CDT	Tornado Watch	SPC	Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 19 more	7 hr
Apr 29, 3:40 PM CDT	Mesoscale Discussion	SPC	Cleburne, Conway, Craighead, Crittenden, Cross, Faulkner and 11 more	2 hr
Apr 29, 6:04 PM CDT	Mesoscale Discussion	SPC	Craighead, Crittenden, Cross, Lee, Mississippi, Poinsett and 1 more	56 min
Apr 29, 6:29 PM CDT	Mesoscale Discussion	SPC	Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 16 more	91 min
Apr 29, 6:55 PM CDT	Severe Thunderstorm Watch	SPC	Alcorn, Benton, Marshall	7 hr

Nearby

Severe Thunderstorm Watches in Arkansas, 2005 Severe Thunderstorm Watches in Tennessee, 2005 Severe Thunderstorm Watches in Mississippi, 2005 Every severe thunderstorm watch in 2005

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.