Alert archive / Texas / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 274
The Storm Prediction Center issued this severe thunderstorm watch at May 9, 2002, 11:00 PM CDT for 13 counties in Arkansas; 8 parishes in Louisiana; 17 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 9, 2002, 11:00 PM CDT (04:00 UTC)
- Expired
- May 10, 2002, 4:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 38 counties
Bradley County, AR, Calhoun County, AR, Clark County, AR, Cleveland County, AR, Columbia County, AR, Dallas County, AR, Hempstead County, AR, Lafayette County, AR, Little River County, AR, Miller County, AR, Nevada County, AR, Ouachita County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, Lincoln Parish, LA, Ouachita Parish, LA, Union Parish, LA, Webster Parish, LA, Bowie County, TX, Camp County, TX, Cass County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Hopkins County, TX, Lamar County, TX, Marion County, TX, Morris County, TX, Panola County, TX, Red River County, TX, Rusk County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 87 km from the middle of the area, began a volume at 04:00 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
11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 11:18 PM CDT | Severe Thunderstorm Warning | SHV | Miller | 57 min |
| May 9, 11:29 PM CDT | Severe Thunderstorm Warning | SHV | Nevada | 61 min |
| May 9, 11:30 PM CDT | Severe Thunderstorm Warning | LZK | Clark | 45 min |
| May 9, 11:33 PM CDT | Severe Thunderstorm Warning | SHV | Hempstead | 57 min |
| May 10, 12:08 AM CDT | Severe Thunderstorm Warning | SHV | Bowie | 67 min |
| May 10, 12:13 AM CDT | Severe Thunderstorm Warning | SHV | Miller | 62 min |
| May 10, 12:25 AM CDT | Severe Thunderstorm Warning | LZK | Dallas, Ouachita | 65 min |
| May 10, 1:15 AM CDT | Severe Thunderstorm Warning | LZK | Calhoun | 45 min |
| May 10, 1:42 AM CDT | Severe Thunderstorm Warning | SHV | Hempstead | 63 min |
| May 10, 2:15 AM CDT | Severe Thunderstorm Warning | LZK | Calhoun | 45 min |
| May 10, 3:14 AM CDT | Severe Thunderstorm Warning | SHV | Columbia | 61 min |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 4.0 hours before the alert went out and 87 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
- 3256 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1148 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | Crockett, Edwards, Gillespie, Kendall, Kerr, Kimble and 9 more | 6 hr |
| May 9, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Bosque, Brown, Callahan, Coleman, Collin and 34 more | 5 hr |
| May 10, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Andrews, Brewster, Crane, Ector, Gaines, Loving and 7 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2002Severe Thunderstorm Watches in Arkansas, 2002Severe Thunderstorm Watches in Louisiana, 2002Every severe thunderstorm watch in 2002
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.