Alert archive / Mississippi / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 652
The Storm Prediction Center issued this severe thunderstorm watch at Jul 16, 2004, 9:45 PM CDT for 23 counties in Arkansas; 9 parishes in Louisiana; 43 counties in Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 16, 2004, 9:45 PM CDT (02:45 UTC)
- Expired
- Jul 17, 2004, 3:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 75 counties
Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Cleveland County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Jefferson County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Monroe County, AR, Perry County, AR, Phillips County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, St. Francis County, AR, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Ouachita Parish, LA, Richland Parish, LA, Tensas Parish, LA, West Carroll Parish, LA, Adams County, MS, Attala County, MS, Bolivar County, MS, Carroll County, MS, Claiborne County, MS, Coahoma County, MS, Copiah County, MS, Covington County, MS, DeSoto County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Lawrence County, MS, Leake County, MS, Leflore County, MS, Lincoln County, MS, Madison County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Panola County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Warren County, MS, Washington County, MS, Wayne County, MS, Yalobusha County, MS, Yazoo County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 165 km from the middle of the area, began a volume at 02:49 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 10:17 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Jefferson | 43 min |
| Jul 16, 11:49 PM CDT | Flash Flood Warning | LZK | Jefferson | 2 hr |
| Jul 17, 12:02 AM CDT | Severe Thunderstorm Warning | LZK | Jefferson, Lincoln | 43 min |
| Jul 17, 1:48 AM CDT | Severe Thunderstorm Warning | JAN | Chicot | 37 min |
| Jul 17, 2:15 AM CDT | Severe Thunderstorm Warning | JAN | Ashley | 45 min |
| Jul 17, 2:19 AM CDT | Severe Thunderstorm Warning | JAN | Chicot | 46 min |
| Jul 17, 2:57 AM CDT | Severe Thunderstorm Warning | JAN | Ashley | 38 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
Jackson, MS (KJAN), launched 00:00Z, 2.8 hours before the alert went out and 158 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
- 227 J/kg
- Mixed-layer CIN
- -153 J/kg
- Mixed-layer LCL
- 1375 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 424 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 9:18 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Cleveland and 14 more | 87 min |
| Jul 17, 2:18 AM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Chicot, Cleveland, Drew and 2 more | 57 min |
| Jul 17, 6:25 PM CDT | Mesoscale Discussion | SPC | Bienville, Caldwell, De Soto, Grant, Jackson, LaSalle and 6 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Mississippi, 2004Severe Thunderstorm Watches in Arkansas, 2004Severe Thunderstorm Watches in Louisiana, 2004Every severe thunderstorm watch in 2004
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.