Alert archive / Arkansas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 296

May 13, 20025 states

The Storm Prediction Center issued this severe thunderstorm watch at May 13, 2002, 1:00 AM CDT for 5 states. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
May 13, 2002, 1:00 AM CDT (06:00 UTC)
Expired
May 13, 2002, 5:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center
All 67 counties

Arkansas County, AR, Calhoun County, AR, Clay County, AR, Cleveland County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Grant County, AR, Greene County, AR, Jackson County, AR, Jefferson County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Ouachita County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, St. Francis County, AR, Woodruff County, AR, Fulton County, KY, Dunklin County, MO, Pemiscot County, MO, Benton County, MS, Bolivar County, MS, Coahoma County, MS, DeSoto County, MS, Lafayette County, MS, Leflore County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tunica County, MS, Yalobusha County, MS, Benton County, TN, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Houston County, TN, Humphreys County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Montgomery County, TN, Obion County, TN, Shelby County, TN, Stewart County, TN, Tipton County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 115 km from the middle of the area, began a volume at 05:59 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

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

IssuedProductOfficeCountiesLasted
May 13, 2:07 AM CDTSevere Thunderstorm WarningLZKJefferson38 min
May 13, 2:24 AM CDTSevere Thunderstorm WarningLZKArkansas, Monroe, Prairie51 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.0 hours before the alert went out and 85 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 2002-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1823 joules per kilogram.LCLEL10008507005003002001001 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 2002-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
1823 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.6
Supercell composite
5.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 12, 7:00 PM CDTSevere Thunderstorm WatchSPCBaxter, Benton, Boone, Carroll, Crawford, Franklin and 13 more5 hr
May 12, 10:45 PM CDTSevere Thunderstorm WatchSPCClay, Cleburne, Conway, Craighead, Cross, Faulkner and 21 more4 hr
May 13, 4:45 AM CDTSevere Thunderstorm WatchSPCAdair, Allen, Bell, Clay, Clinton, Cumberland and 13 more5 hr
May 13, 9:00 AM CDTSevere Thunderstorm WatchSPCBlount, Bradley, Carter, Cocke, Grainger, Greene and 16 more5 hr
May 13, 2:00 PM CDTSevere Thunderstorm WatchSPCCarter, Johnson, Unicoi5 hr

Nearby

Severe Thunderstorm Watches in Arkansas, 2002Severe Thunderstorm Watches in Tennessee, 2002Severe Thunderstorm Watches in Mississippi, 2002Every severe thunderstorm watch in 2002

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.