Alert archive / Texas / Mesoscale Discussions in 2008
Mesoscale Discussion 326
The Storm Prediction Center issued this mesoscale discussion at Mar 3, 2008, 1:36 AM CST for 9 counties in Arkansas; Choctaw County, LeFlore County, McCurtain County, Oklahoma; 37 counties in Texas. It was in force for 54 min.
The area
The outline as issued.
The facts
- Issued
- Mar 3, 2008, 1:36 AM CST (07:36 UTC)
- Expired
- Mar 3, 2008, 2:30 AM CST
- In force
- 54 min
- Issued by
- the Storm Prediction Center
All 49 counties
Howard County, AR, Little River County, AR, Logan County, AR, Montgomery County, AR, Pike County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Choctaw County, OK, LeFlore County, OK, McCurtain County, OK, Anderson County, TX, Bell County, TX, Bosque County, TX, Bowie County, TX, Burnet County, TX, Camp County, TX, Cass 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, Gregg County, TX, Henderson County, TX, Hill County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Leon County, TX, Limestone County, TX, McLennan County, TX, Milam County, TX, Morris County, TX, Navarro County, TX, Rains County, TX, Red River County, TX, Robertson County, TX, Rockwall County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 145 km from the middle of the area, began a volume at 07:38 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 00:00Z, 7.6 hours before the alert went out and 136 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
- 1534 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 836 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 210 m²/s²
- 0-3 km storm-relative helicity
- 335 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 10.5
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 2, 8:23 PM CST | Tornado Watch | SPC | Crawford, Franklin, Howard, Little River, Miller, Polk and 3 more | 8 hr |
| Mar 3, 3:01 AM CST | Mesoscale Discussion | SPC | Clark, Cleburne, Conway, Dallas, Faulkner, Garland and 20 more | 89 min |
| Mar 3, 5:21 AM CST | Mesoscale Discussion | SPC | Lafayette, Miller | 84 min |
| Mar 3, 6:47 AM CST | Severe Thunderstorm Watch | SPC | Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 3 more | 6 hr |
| Mar 3, 10:18 AM CST | Mesoscale Discussion | SPC | Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 3 more | 87 min |
| Mar 3, 10:36 AM CST | Tornado Watch | SPC | Ashley, Bradley, Calhoun, Chicot, Cleveland, Columbia and 8 more | 9 hr |
| Mar 3, 1:25 PM CST | Mesoscale Discussion | SPC | Ashley, Chicot, Desha, Drew | 95 min |
| Mar 2, 6:05 PM CST | Tornado Watch | SPC | Atoka, Bryan, Carter, Cleveland, Coal, Garvin and 13 more | 8 hr |
| Mar 2, 6:18 PM CST | Severe Thunderstorm Watch | SPC | Craig, Creek, Delaware, Mayes, Nowata, Okfuskee and 8 more | 7 hr |
| Mar 2, 8:01 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Haskell, Latimer, LeFlore and 6 more | 59 min |
| Mar 2, 9:33 PM CST | Mesoscale Discussion | SPC | Craig, Nowata, Ottawa, Rogers, Tulsa, Washington | 57 min |
| Mar 2, 11:04 PM CST | Mesoscale Discussion | SPC | Brown, Callahan, Coke, Coleman, Comanche, Concho and 12 more | 56 min |
| Mar 2, 11:27 PM CST | Severe Thunderstorm Watch | SPC | Brown, Coke, Coleman, Concho, Crockett, Irion and 13 more | 5 hr |
| Mar 3, 1:57 AM CST | Tornado Watch | SPC | Anderson, Bell, Bosque, Collin, Comanche, Coryell and 26 more | 6 hr |
| Mar 3, 3:24 AM CST | Mesoscale Discussion | SPC | Bastrop, Blanco, Brazos, Burleson, Burnet, Grimes and 9 more | 96 min |
Nearby
Mesoscale Discussions in Texas, 2008Mesoscale Discussions in Arkansas, 2008Mesoscale Discussions in Oklahoma, 2008Every mesoscale discussion in 2008
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.