Alert archive / Mississippi / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 210

May 2, 20034 states

The Storm Prediction Center issued this severe thunderstorm watch at May 2, 2003, 2:55 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 2, 2003, 2:55 PM CDT (19:55 UTC)
Expired
May 2, 2003, 9:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 63 counties

Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Cleveland County, AR, Columbia County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Hempstead County, AR, Jefferson County, AR, Lafayette County, AR, Lincoln County, AR, Miller County, AR, Nevada County, AR, Ouachita County, AR, Phillips County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, East Carroll Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Morehouse Parish, LA, Ouachita Parish, LA, Red River Parish, LA, Richland Parish, LA, Union Parish, LA, Webster Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Attala County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Choctaw County, MS, Coahoma County, MS, DeSoto County, MS, Grenada County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Lafayette County, MS, Leflore County, MS, Marshall County, MS, Montgomery County, MS, Panola County, MS, Quitman County, MS, Sharkey County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Washington County, MS, Webster County, MS, Yalobusha County, MS, Yazoo County, MS, Fayette County, TN

The radar

The Little Rock radar (KLZK), 157 km from the middle of the area, began a volume at 19:55 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.

Discussions around it

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

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 7.9 hours before the alert went out and 225 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, Jackson, MS at 12:00Z on 2003-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2608 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, Jackson, MS at 12:00Z on 2003-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
2608 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
800 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 1, 8:54 PM CDTMesoscale DiscussionSPCBenton, Carroll, Crawford, Franklin, Hempstead, Howard and 10 more96 min
May 1, 9:00 PM CDTSevere Thunderstorm WatchSPCClark, Columbia, Garland, Hempstead, Hot Spring, Howard and 10 more4 hr
May 1, 11:53 PM CDTMesoscale DiscussionSPCClark, Columbia, Garland, Hempstead, Hot Spring, Howard and 10 more67 min
May 2, 1:27 AM CDTMesoscale DiscussionSPCBaxter, Boone, Carroll, Clay, Craighead, Fulton and 8 more2 hr
May 2, 2:21 PM CDTMesoscale DiscussionSPCAshley, Bradley, Chicot, Columbia, Desha, Drew and 1 more114 min
May 2, 6:31 PM CDTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 11 more119 min
May 2, 1:43 PM CDTMesoscale DiscussionSPCAlcorn, Benton, Calhoun, Chickasaw, Clay, DeSoto and 20 more92 min
May 2, 1:55 PM CDTSevere Thunderstorm WatchSPCAlcorn, Calhoun, Chickasaw, Choctaw, Clay, Itawamba and 10 more5 hr
May 2, 3:25 PM CDTSevere Thunderstorm WatchSPCNoxubee4 hr
May 2, 5:36 PM CDTMesoscale DiscussionSPCAlcorn, Calhoun, Chickasaw, Choctaw, Clay, Itawamba and 10 more84 min
May 2, 8:52 AM CDTMesoscale DiscussionSPCAnderson, Bledsoe, Campbell, Cannon, Cheatham, Clay and 23 more113 min
May 2, 1:23 PM CDTMesoscale DiscussionSPCCarter, Cocke, Greene, Hamblen, Hawkins, Jefferson and 4 more2 hr
May 2, 1:35 PM CDTSevere Thunderstorm WatchSPCCarter, Cocke, Greene, Hawkins, Johnson, Sullivan and 2 more5 hr

Nearby

Severe Thunderstorm Watches in Mississippi, 2003Severe Thunderstorm Watches in Arkansas, 2003Severe Thunderstorm Watches in Louisiana, 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.