Alert archive / Arkansas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 72

March 25, 20034 states

The Storm Prediction Center issued this severe thunderstorm watch at Mar 25, 2003, 2:40 PM CST for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Mar 25, 2003, 2:40 PM CST (20:40 UTC)
Expired
Mar 25, 2003, 8:00 PM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 41 counties

Baxter County, AR, Boone County, AR, Clay County, AR, Cleburne County, AR, Conway County, AR, Craighead County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Lawrence County, AR, Marion County, AR, Mississippi County, AR, Poinsett County, AR, Pope County, AR, Randolph County, AR, Searcy County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Calloway County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Dunklin County, MO, New Madrid County, MO, Pemiscot County, MO, Carroll County, TN, Crockett County, TN, Dyer County, TN, Gibson County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Obion County, TN, Tipton County, TN, Weakley County, TN

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 25, 2:45 PM CSTSevere Thunderstorm WarningLZKSearcy50 min
Mar 25, 3:33 PM CSTSevere Thunderstorm WarningLZKSearcy, Stone, Van Buren62 min
Mar 25, 3:42 PM CSTSevere Thunderstorm WarningLZKPope33 min
Mar 25, 4:20 PM CSTSevere Thunderstorm WarningMEGGreene40 min
Mar 25, 4:35 PM CSTSevere Thunderstorm WarningLZKIndependence, Jackson60 min
Mar 25, 4:45 PM CSTSevere Thunderstorm WarningLZKCleburne60 min
Mar 25, 4:55 PM CSTSevere Thunderstorm WarningLZKConway45 min
Mar 25, 4:57 PM CSTSevere Thunderstorm WarningMEGDunklin48 min
Mar 25, 5:04 PM CSTSevere Thunderstorm WarningMEGCraighead26 min
Mar 25, 5:25 PM CSTSevere Thunderstorm WarningPAHCalloway50 min
Mar 25, 5:33 PM CSTSevere Thunderstorm WarningMEGPemiscot42 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, 8.7 hours before the alert went out and 174 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 2003-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 joules per kilogram.LCLLFCEL10008507005003002001001 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 2003-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
13 J/kg
Mixed-layer CIN
-639 J/kg
Mixed-layer LCL
1049 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
65 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 25, 1:39 PM CSTMesoscale DiscussionSPCHoward, Little River, Sevier3 hr
Mar 25, 1:58 PM CSTMesoscale DiscussionSPCClay, Cleburne, Conway, Craighead, Faulkner, Greene and 11 more2 hr
Mar 25, 3:05 PM CSTSevere Thunderstorm WatchSPCHoward, Little River, Montgomery, Pike, Polk, Scott and 1 more6 hr
Mar 25, 4:55 PM CSTMesoscale DiscussionSPCArkansas, Calhoun, Clark, Cleveland, Crittenden, Cross and 19 more3 hr
Mar 25, 5:20 PM CSTSevere Thunderstorm WatchSPCArkansas, Calhoun, Clark, Cleveland, Conway, Craighead and 36 more6 hr
Mar 25, 5:39 PM CSTMesoscale DiscussionSPCArkansas, Calhoun, Clark, Cleveland, Crittenden, Cross and 19 more2 hr
Mar 25, 2:33 AM CSTMesoscale DiscussionSPCBarton, Bates, Benton, Camden, Cedar, Cooper and 11 more3 hr

Nearby

Severe Thunderstorm Watches in Arkansas, 2003Severe Thunderstorm Watches in Tennessee, 2003Severe Thunderstorm Watches in Kentucky, 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.