Alert archive / Mississippi / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 972
The Storm Prediction Center issued this severe thunderstorm watch at Nov 23, 2003, 1:40 PM CST for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 23, 2003, 1:40 PM CST (19:40 UTC)
- Expired
- Nov 23, 2003, 7:00 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 60 counties
Arkansas County, AR, Ashley County, AR, Bradley County, AR, Chicot County, AR, Crittenden County, AR, Cross County, AR, Desha County, AR, Drew County, AR, Lee County, AR, Lincoln County, AR, Monroe County, AR, Phillips County, AR, St. Francis County, AR, Bienville Parish, LA, Caldwell Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Ouachita Parish, LA, Richland Parish, LA, Tensas Parish, LA, Union Parish, LA, West Carroll Parish, LA, Winn Parish, LA, Benton County, MS, Bolivar County, MS, Carroll County, MS, Coahoma County, MS, DeSoto County, MS, Grenada County, MS, Humphreys County, MS, Issaquena County, MS, Lafayette County, MS, Leflore County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Sharkey County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tunica County, MS, Union County, MS, Warren County, MS, Washington County, MS, Yalobusha County, MS, Chester County, TN, Decatur County, TN, Fayette County, TN, Hardeman County, TN, Haywood County, TN, Henderson County, TN, Madison County, TN, McNairy County, TN, Shelby County, TN, Tipton County, TN
Warnings issued inside it
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 2:58 PM CST | Severe Thunderstorm Warning | SHV | Jackson, Lincoln | 17 min |
| Nov 23, 3:02 PM CST | Severe Thunderstorm Warning | SHV | Ouachita | 43 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, 7.7 hours before the alert went out and 242 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.
- Mixed-layer CAPE
- 178 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 373 m²/s²
- 0-3 km storm-relative helicity
- 408 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 23, 12:59 PM CST | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clay and 25 more | 3 hr |
| Nov 23, 3:48 PM CST | Mesoscale Discussion | SPC | Chicot, Desha | 117 min |
| Nov 23, 12:15 PM CST | Mesoscale Discussion | SPC | Beauregard, Bienville, Calcasieu, Grant, Jackson, Lincoln and 6 more | 3 hr |
| Nov 23, 5:38 PM CST | Mesoscale Discussion | SPC | Acadia, Ascension, Assumption, East Baton Rouge, East Feliciana, Iberia and 21 more | 97 min |
Nearby
Severe Thunderstorm Watches in Mississippi, 2003Severe Thunderstorm Watches in Louisiana, 2003Severe Thunderstorm Watches in Arkansas, 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.