Alert archive / Texas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 804
The Storm Prediction Center issued this severe thunderstorm watch at Jul 22, 2003, 5:10 PM CDT for 42 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 22, 2003, 5:10 PM CDT (22:10 UTC)
- Expired
- Jul 22, 2003, 11:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 42 counties
Anderson County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Collin County, TX, Dallas County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Marion County, TX, Morris County, TX, Navarro County, TX, Palo Pinto County, TX, Panola County, TX, Parker County, TX, Rains County, TX, Rockwall County, TX, Rusk County, TX, Shackelford County, TX, Shelby County, TX, Smith County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Throckmorton County, TX, Upshur County, TX, Van Zandt County, TX, Wise County, TX, Wood County, TX, Young County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 23 km from the middle of the area, began a volume at 22:14 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 5:11 PM CDT | Severe Thunderstorm Warning | FWD | Collin | 64 min |
| Jul 22, 5:59 PM CDT | Severe Thunderstorm Warning | FWD | Denton | 61 min |
| Jul 22, 6:21 PM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 54 min |
| Jul 22, 6:23 PM CDT | Severe Thunderstorm Warning | SHV | Wood | 52 min |
| Jul 22, 6:45 PM CDT | Severe Thunderstorm Warning | FWD | Hopkins | 60 min |
| Jul 22, 7:13 PM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 47 min |
| Jul 22, 8:48 PM CDT | Severe Thunderstorm Warning | SHV | Morris | 27 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
Fort Worth, TX (KFWD), launched 12:00Z, 10.2 hours before the alert went out and 9 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
- 735 J/kg
- Mixed-layer CIN
- -323 J/kg
- Mixed-layer LCL
- 1505 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 103 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 22, 1:42 PM CDT | Mesoscale Discussion | SPC | Anderson, Cherokee, Gregg, Harrison, Nacogdoches, Panola and 6 more | 2 hr |
| Jul 22, 4:50 PM CDT | Mesoscale Discussion | SPC | Anderson, Bosque, Camp, Cass, Cherokee, Collin and 36 more | 85 min |
Nearby
Severe Thunderstorm Watches in Texas, 2003Every severe thunderstorm watch 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.