Alert archive / Arkansas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 18

March 9, 200224 counties in Arkansas; 6 counties in Mississippi; 5 counties in Tennessee

The Storm Prediction Center issued this severe thunderstorm watch at Mar 9, 2002, 6:00 AM CST for 24 counties in Arkansas; 6 counties in Mississippi; 5 counties in Tennessee. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Mar 9, 2002, 6:00 AM CST (12:00 UTC)
Expired
Mar 9, 2002, 10:00 AM CST
In force
4 hr
Issued by
the Storm Prediction Center
All 35 counties

Arkansas County, AR, Bradley County, AR, Calhoun 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, 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, Bolivar County, MS, Coahoma County, MS, DeSoto County, MS, Quitman County, MS, Tate County, MS, Tunica County, MS, Crockett County, TN, Haywood County, TN, Lauderdale County, TN, Shelby County, TN, Tipton County, TN

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 9, 6:16 AM CSTSevere Thunderstorm WarningMEGPoinsett44 min
Mar 9, 6:33 AM CSTSevere Thunderstorm WarningMEGCross, St. Francis42 min
Mar 9, 6:35 AM CSTSevere Thunderstorm WarningLZKArkansas, Jefferson, Monroe45 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 0.0 hours before the alert went out and 139 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 12:00Z on 2002-03-09Temperature 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, Little Rock, AR at 12:00Z on 2002-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -143 square meters per square second.1939587897117Sfc1 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
1444 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-143 m²/s²
0-3 km storm-relative helicity
-7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 8, 9:30 PM CSTTornado WatchSPCBaxter, Benton, Boone, Carroll, Conway, Crawford and 23 more5 hr
Mar 9, 1:00 AM CSTSevere Thunderstorm WatchSPCBaxter, Benton, Boone, Carroll, Clay, Cleburne and 35 more5 hr

Nearby

Severe Thunderstorm Watches in Arkansas, 2002Severe Thunderstorm Watches in Mississippi, 2002Severe Thunderstorm Watches in Tennessee, 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.