Alert archive / Arkansas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 347

May 10, 200324 counties in Arkansas

The Storm Prediction Center issued this severe thunderstorm watch at May 10, 2003, 7:00 PM CDT for 24 counties in Arkansas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: May 10, 2003, 7:00 PM CDT (00:00 UTC)
Expired: May 11, 2003, 12:00 AM CDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 24 counties

Arkansas County, AR, Clark County, AR, Cleveland County, AR, Dallas County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Lee County, AR, Lincoln County, AR, Little River County, AR, Lonoke County, AR, Monroe County, AR, Montgomery County, AR, Nevada County, AR, Perry County, AR, Pike County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Sevier County, AR, St. Francis County, AR

The radar

The Little Rock radar (KLZK), 90 km from the middle of the area, began a volume at 00:05 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

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

Issued	Product	Office	Counties	Lasted
May 10, 7:16 PM CDT	Severe Thunderstorm Warning	LZK	Pike	34 min
May 10, 7:40 PM CDT	Severe Thunderstorm Warning	LZK	Clark	35 min
May 10, 8:02 PM CDT	Severe Thunderstorm Warning	LZK	Hot Spring	43 min
May 10, 9:02 PM CDT	Severe Thunderstorm Warning	LZK	Perry	28 min
May 10, 9:45 PM CDT	Severe Thunderstorm Warning	LZK	Pulaski	30 min
May 10, 10:36 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke	29 min
May 10, 10:37 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery	33 min
May 10, 11:13 PM CDT	Severe Thunderstorm Warning	LZK	Prairie	27 min
May 10, 11:30 PM CDT	Severe Thunderstorm Warning	LZK	Garland, Hot Spring	35 min
May 10, 11:36 PM CDT	Severe Thunderstorm Warning	LZK	Jefferson	29 min
May 10, 11:43 PM CDT	Severe Thunderstorm Warning	LZK	Arkansas	42 min
May 10, 11:44 PM CDT	Severe Thunderstorm Warning	LZK	Saline	36 min

Discussions around it

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

Mesoscale Discussion 932May 10, 10:29 PM CDT

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.0 hours before the alert went out and 277 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: 1530 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1136 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 165 m²/s²
0-3 km storm-relative helicity: 215 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 9.7

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 10, 7:06 PM CDT	Mesoscale Discussion	SPC	Baxter, Boone, Clay, Cleburne, Conway, Craighead and 22 more	54 min
May 10, 8:45 PM CDT	Tornado Watch	SPC	Baxter, Clay, Cleburne, Conway, Craighead, Crittenden and 18 more	5 hr
May 10, 10:29 PM CDT	Mesoscale Discussion	SPC	Arkansas, Clark, Cleveland, Dallas, Garland, Grant and 15 more	91 min

Nearby

Severe Thunderstorm Watches in Arkansas, 2003 Every severe thunderstorm watch in 2003

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.