Alert archive / Mississippi / Mesoscale Discussions in 2003
Mesoscale Discussion 1037
The Storm Prediction Center issued this mesoscale discussion at May 16, 2003, 8:38 PM CDT for 4 states. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- May 16, 2003, 8:38 PM CDT (01:38 UTC)
- Expired
- May 16, 2003, 10:15 PM CDT
- In force
- 97 min
- Issued by
- the Storm Prediction Center
All 77 counties
Arkansas County, AR, Ashley County, AR, Chicot County, AR, Crittenden County, AR, Cross County, AR, Desha County, AR, Drew County, AR, Jackson County, AR, Lee County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, St. Francis County, AR, Woodruff County, AR, Caldwell 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, Attala County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Choctaw County, MS, Claiborne County, MS, Coahoma County, MS, Copiah County, MS, Covington County, MS, DeSoto County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Jefferson Davis County, MS, Lafayette County, MS, Leake County, MS, Leflore County, MS, Madison County, MS, Marshall County, MS, Montgomery County, MS, Panola County, MS, Pontotoc 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, Tippah County, MS, Tunica County, MS, Union County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Yalobusha County, MS, Yazoo County, MS, Crockett County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Lauderdale County, TN, Madison County, TN, Shelby County, TN, Tipton County, TN
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 1.6 hours before the alert went out and 157 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
- 2424 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1112 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 11.1
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 8:14 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Cleveland, Columbia and 19 more | 2 hr |
| May 16, 9:35 PM CDT | Tornado Watch | SPC | Arkansas, Ashley, Chicot, Craighead, Crittenden, Cross and 8 more | 6 hr |
| May 17, 1:54 AM CDT | Mesoscale Discussion | SPC | Chicot | 66 min |
| May 17, 4:45 AM CDT | Tornado Watch | SPC | Chicot | 5 hr |
| May 16, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Sabine | 4 hr |
| May 17, 6:37 AM CDT | Mesoscale Discussion | SPC | Caldwell, Catahoula, East Carroll, Franklin, LaSalle, Madison and 3 more | 83 min |
| May 17, 7:48 AM CDT | Mesoscale Discussion | SPC | Catahoula, LaSalle, Tensas | 57 min |
| May 17, 9:20 AM CDT | Tornado Watch | SPC | East Feliciana, Pointe Coupee, Saint Helena, Washington, West Feliciana | 6 hr |
| May 17, 1:50 PM CDT | Mesoscale Discussion | SPC | East Feliciana, Pointe Coupee, Saint Helena, Tangipahoa, Washington, West Feliciana | 115 min |
| May 17, 3:00 PM CDT | Tornado Watch | SPC | East Baton Rouge, East Feliciana, Madison, Saint Helena, Tangipahoa, Tensas and 3 more | 5 hr |
| May 17, 6:04 PM CDT | Mesoscale Discussion | SPC | East Baton Rouge, East Feliciana, Saint Helena, Tangipahoa, Washington | 116 min |
| May 16, 11:41 PM CDT | Mesoscale Discussion | SPC | Tishomingo | 94 min |
| May 17, 12:55 AM CDT | Severe Thunderstorm Watch | SPC | Itawamba, Monroe, Prentiss, Tishomingo | 4 hr |
| May 17, 2:37 AM CDT | Mesoscale Discussion | SPC | Monroe | 53 min |
| May 17, 5:42 AM CDT | Mesoscale Discussion | SPC | Alcorn, Benton, Itawamba, Lafayette, Lee, Marshall and 7 more | 63 min |
| May 17, 11:50 AM CDT | Tornado Watch | SPC | Anderson, Bedford, Bledsoe, Blount, Bradley, Campbell and 41 more | 5 hr |
| May 17, 1:14 PM CDT | Mesoscale Discussion | SPC | Anderson, Bledsoe, Blount, Bradley, Campbell, Cannon and 34 more | 91 min |
| May 17, 4:40 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Blount, Bradley, Campbell, Carter, Claiborne and 19 more | 4 hr |
Nearby
Mesoscale Discussions in Mississippi, 2003Mesoscale Discussions in Arkansas, 2003Mesoscale Discussions in Louisiana, 2003Every mesoscale discussion 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.