Alert archive / Arkansas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 362

May 13, 200328 counties in Arkansas; McCurtain County, Oklahoma; 4 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 13, 2003, 5:45 PM CDT for 28 counties in Arkansas; McCurtain County, Oklahoma; 4 counties in Texas. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
May 13, 2003, 5:45 PM CDT (22:45 UTC)
Expired
May 13, 2003, 10:00 PM CDT
In force
4 hr
Issued by
the Storm Prediction Center
All 33 counties

Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Clark County, AR, Cleveland County, AR, Columbia County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Lafayette County, AR, Lincoln County, AR, Little River County, AR, Miller County, AR, Montgomery County, AR, Nevada County, AR, Ouachita County, AR, Pike County, AR, Polk County, AR, Sevier County, AR, Union County, AR, McCurtain County, OK, Bowie County, TX, Cass County, TX, Morris County, TX, Titus County, TX

The radar

The Little Rock radar (KLZK), 142 km from the middle of the area, began a volume at 22:47 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

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

IssuedProductOfficeCountiesLasted
May 13, 5:52 PM CDTSevere Thunderstorm WarningLZKPolk, Scott48 min
May 13, 6:32 PM CDTSevere Thunderstorm WarningSHVMcCurtain43 min
May 13, 6:49 PM CDTSevere Thunderstorm WarningSHVHoward, Sevier56 min
May 13, 7:10 PM CDTSevere Thunderstorm WarningLZKPike40 min
May 13, 7:45 PM CDTSevere Thunderstorm WarningSHVHoward, Sevier45 min
May 13, 7:48 PM CDTSevere Thunderstorm WarningLZKClark, Pike47 min
May 13, 7:53 PM CDTSevere Thunderstorm WarningSHVHempstead67 min
May 13, 8:16 PM CDTSevere Thunderstorm WarningSHVNevada59 min
May 13, 8:34 PM CDTSevere Thunderstorm WarningLZKOuachita46 min
May 13, 8:43 PM CDTSevere Thunderstorm WarningSHVLafayette62 min
May 13, 8:55 PM CDTTornado WarningSHVLafayette35 min
May 13, 9:02 PM CDTSevere Thunderstorm WarningSHVColumbia58 min
May 13, 9:14 PM CDTTornado WarningSHVColumbia46 min
May 13, 9:38 PM CDTSevere Thunderstorm WarningSHVUnion37 min
May 13, 9:53 PM CDTSevere Thunderstorm WarningSHVMiller37 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

Shreveport, LA (KSHV), launched 12:00Z, 10.8 hours before the alert went out and 171 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, Shreveport, LA at 12:00Z on 2003-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Shreveport, LA at 12:00Z on 2003-05-13The 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1656 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 13, 10:08 AM CDTMesoscale DiscussionSPCBenton97 min
May 13, 1:18 PM CDTMesoscale DiscussionSPCBenton, Crawford, Franklin, Johnson, Logan, Madison and 6 more87 min
May 13, 2:20 PM CDTSevere Thunderstorm WatchSPCCrawford, Franklin, Logan, Madison, Montgomery, Scott and 2 more6 hr
May 13, 3:33 PM CDTMesoscale DiscussionSPCCrawford, Franklin, Logan, Madison, Scott, Sebastian and 1 more87 min
May 13, 6:18 PM CDTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 26 more87 min
May 13, 5:50 AM CDTMesoscale DiscussionSPCAtoka, Bryan, Choctaw, Cleveland, Coal, Garvin and 7 more3 hr
May 13, 1:53 PM CDTMesoscale DiscussionSPCAlfalfa, Blaine, Canadian, Cleveland, Creek, Garfield and 12 more97 min
May 13, 5:04 PM CDTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Caddo, Custer, Dewey and 11 more86 min

Nearby

Severe Thunderstorm Watches in Arkansas, 2003Severe Thunderstorm Watches in Texas, 2003Severe Thunderstorm Watches in Oklahoma, 2003Every 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.