Alert archive / Texas / Mesoscale Discussions in 2003
Mesoscale Discussion 328
The Storm Prediction Center issued this mesoscale discussion at Mar 25, 2003, 1:39 PM CST for Howard County, Little River County, Sevier County, Arkansas; Choctaw County, McCurtain County, Oklahoma; 36 counties in Texas. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 25, 2003, 1:39 PM CST (19:39 UTC)
- Expired
- Mar 25, 2003, 4:45 PM CST
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 41 counties
Howard County, AR, Little River County, AR, Sevier County, AR, Choctaw County, OK, McCurtain County, OK, Anderson County, TX, Bell County, TX, Blanco County, TX, Bowie County, TX, Burnet County, TX, Camp County, TX, Collin County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Ellis County, TX, Falls County, TX, Fannin County, TX, Franklin County, TX, Freestone County, TX, Henderson County, TX, Hill County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Lampasas County, TX, Limestone County, TX, Llano County, TX, McLennan County, TX, Morris County, TX, Navarro County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Williamson County, TX, Wood County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 78 km from the middle of the area, began a volume at 19:40 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.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 7.7 hours before the alert went out and 97 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
- 771 J/kg
- Mixed-layer CIN
- -366 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 287 m²/s²
- 0-3 km storm-relative helicity
- 332 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Mar 25, 1:58 PM CST | Mesoscale Discussion | SPC | Clay, Cleburne, Conway, Craighead, Faulkner, Greene and 11 more | 2 hr |
| Mar 25, 2:40 PM CST | Severe Thunderstorm Watch | SPC | Baxter, Boone, Clay, Cleburne, Conway, Craighead and 15 more | 5 hr |
| Mar 25, 3:05 PM CST | Severe Thunderstorm Watch | SPC | Howard, Little River, Montgomery, Pike, Polk, Scott and 1 more | 6 hr |
| Mar 25, 4:55 PM CST | Mesoscale Discussion | SPC | Arkansas, Calhoun, Clark, Cleveland, Crittenden, Cross and 19 more | 3 hr |
| Mar 25, 5:20 PM CST | Severe Thunderstorm Watch | SPC | Arkansas, Calhoun, Clark, Cleveland, Conway, Craighead and 36 more | 6 hr |
| Mar 25, 5:39 PM CST | Mesoscale Discussion | SPC | Arkansas, Calhoun, Clark, Cleveland, Crittenden, Cross and 19 more | 2 hr |
| Mar 24, 8:45 PM CST | Mesoscale Discussion | SPC | Caddo, Canadian, Cleveland, Comanche, Creek, Grady and 17 more | 3 hr |
| Mar 25, 2:33 AM CST | Mesoscale Discussion | SPC | Alfalfa, Craig, Garfield, Grant, Kay, Major and 8 more | 3 hr |
| Mar 25, 3:30 PM CST | Severe Thunderstorm Watch | SPC | Atascosa, Bastrop, Bee, Bell, Bexar, Blanco and 28 more | 6 hr |
Nearby
Mesoscale Discussions in Texas, 2003Mesoscale Discussions in Arkansas, 2003Mesoscale Discussions in Oklahoma, 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; radar from the NEXRAD Level II archive.