Alert archive / Mississippi / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 637
The Storm Prediction Center issued this severe thunderstorm watch at Jul 14, 2004, 7:10 PM CDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 14, 2004, 7:10 PM CDT (00:10 UTC)
- Expired
- Jul 15, 2004, 1:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 47 counties
Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, St. Francis County, AR, Dunklin County, MO, Pemiscot County, MO, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Coahoma County, MS, DeSoto County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Monroe County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Yalobusha County, MS, Carroll County, TN, Chester County, TN, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Shelby County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 6 km from the middle of the area, began a volume at 00:12 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
29 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 7:14 PM CDT | Severe Thunderstorm Warning | MEG | Fayette | 46 min |
| Jul 14, 7:22 PM CDT | Severe Thunderstorm Warning | MEG | Tishomingo | 53 min |
| Jul 14, 7:29 PM CDT | Severe Thunderstorm Warning | MEG | Prentiss | 46 min |
| Jul 14, 7:33 PM CDT | Severe Thunderstorm Warning | MEG | Tippah | 27 min |
| Jul 14, 8:08 PM CDT | Flash Flood Warning | MEG | Prentiss | 3 hr |
| Jul 14, 8:19 PM CDT | Severe Thunderstorm Warning | MEG | Tippah | 26 min |
| Jul 14, 8:32 PM CDT | Severe Thunderstorm Warning | MEG | Alcorn, Tishomingo | 43 min |
| Jul 14, 8:38 PM CDT | Severe Thunderstorm Warning | MEG | Union | 37 min |
| Jul 14, 8:39 PM CDT | Severe Thunderstorm Warning | MEG | Itawamba | 51 min |
| Jul 14, 8:44 PM CDT | Severe Thunderstorm Warning | MEG | Tippah | 16 min |
| Jul 14, 8:56 PM CDT | Severe Thunderstorm Warning | MEG | Lee | 49 min |
| Jul 14, 9:06 PM CDT | Severe Thunderstorm Warning | MEG | Pontotoc | 39 min |
| Jul 14, 9:38 PM CDT | Tornado Warning | MEG | Lee | 37 min |
| Jul 14, 9:41 PM CDT | Severe Thunderstorm Warning | MEG | Chickasaw, Monroe | 49 min |
| Jul 14, 9:44 PM CDT | Severe Thunderstorm Warning | MEG | Shelby | 31 min |
| Jul 14, 9:49 PM CDT | Severe Thunderstorm Warning | MEG | Tippah | 41 min |
| Jul 14, 9:55 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Marshall | 50 min |
| Jul 14, 9:59 PM CDT | Severe Thunderstorm Warning | MEG | Lee | 46 min |
| Jul 14, 10:00 PM CDT | Severe Thunderstorm Warning | MEG | DeSoto | 45 min |
| Jul 14, 10:14 PM CDT | Flash Flood Warning | MEG | Tippah | 3 hr |
| Jul 14, 10:44 PM CDT | Severe Thunderstorm Warning | MEG | Marshall | 46 min |
| Jul 14, 10:49 PM CDT | Severe Thunderstorm Warning | MEG | Tate | 41 min |
| Jul 14, 11:08 PM CDT | Severe Thunderstorm Warning | MEG | Lafayette | 37 min |
| Jul 14, 11:25 PM CDT | Severe Thunderstorm Warning | MEG | Lee, Pontotoc | 50 min |
| Jul 14, 11:39 PM CDT | Severe Thunderstorm Warning | MEG | Calhoun, Chickasaw, Monroe | 51 min |
| Jul 14, 11:46 PM CDT | Severe Thunderstorm Warning | MEG | Lafayette | 29 min |
| Jul 14, 11:58 PM CDT | Severe Thunderstorm Warning | MEG | Yalobusha | 47 min |
| Jul 15, 12:28 AM CDT | Severe Thunderstorm Warning | MEG | Calhoun, Chickasaw | 32 min |
| Jul 15, 12:38 AM CDT | Severe Thunderstorm Warning | MEG | Panola | 37 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 00:00Z, 0.2 hours before the alert went out and 56 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
- 1134 J/kg
- Mixed-layer CIN
- -121 J/kg
- Mixed-layer LCL
- 2114 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 10:41 PM CDT | Mesoscale Discussion | SPC | Craighead, Crittenden, Cross, Lee, Mississippi, Phillips and 2 more | 94 min |
| Jul 15, 1:12 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Benton, Bradley, Calhoun, Chicot and 42 more | 2 hr |
| Jul 15, 2:20 PM CDT | Severe Thunderstorm Watch | SPC | Ashley, Chicot, Drew | 6 hr |
| Jul 15, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Bradley, Calhoun, Carroll, Clark, Cleveland and 36 more | 6 hr |
| Jul 15, 5:18 PM CDT | Mesoscale Discussion | SPC | Ashley, Chicot, Drew | 117 min |
| Jul 14, 11:38 PM CDT | Mesoscale Discussion | SPC | Attala, Carroll, Choctaw, Clay, Grenada, Holmes and 12 more | 97 min |
Nearby
Severe Thunderstorm Watches in Mississippi, 2004Severe Thunderstorm Watches in Tennessee, 2004Severe Thunderstorm Watches in Arkansas, 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.