Alert archive / Texas / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 174
The Storm Prediction Center issued this severe thunderstorm watch at Apr 22, 2001, 6:30 PM CDT for 28 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 22, 2001, 6:30 PM CDT (23:30 UTC)
- Expired
- Apr 23, 2001, 12:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Bosque County, TX, Brown County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Denton County, TX, Ellis County, TX, Erath County, TX, Fannin County, TX, Grayson County, TX, Hamilton County, TX, Hill County, TX, Hood County, TX, Hunt County, TX, Johnson County, TX, Lamar County, TX, Lampasas County, TX, McCulloch County, TX, Mills County, TX, Palo Pinto County, TX, Parker County, TX, Rockwall County, TX, San Saba County, TX, Somervell County, TX, Tarrant County, TX, Wise County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 95 km from the middle of the area, began a volume at 23:30 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
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 6:35 PM CDT | Severe Thunderstorm Warning | FWD | Palo Pinto | 55 min |
| Apr 22, 6:55 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 50 min |
| Apr 22, 6:59 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 61 min |
| Apr 22, 7:02 PM CDT | Severe Thunderstorm Warning | FWD | Erath | 43 min |
| Apr 22, 7:24 PM CDT | Severe Thunderstorm Warning | FWD | Palo Pinto, Parker | 66 min |
| Apr 22, 8:30 PM CDT | Severe Thunderstorm Warning | FWD | Palo Pinto | 45 min |
| Apr 22, 11:29 PM CDT | Severe Thunderstorm Warning | FWD | Wise | 46 min |
| Apr 22, 11:47 PM CDT | Flash Flood Warning | SJT | Brown | 3 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 11.5 hours before the alert went out and 115 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
- 866 J/kg
- Mixed-layer CIN
- -398 J/kg
- Mixed-layer LCL
- 621 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 386 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Armstrong, Carson, Collingsworth, Deaf Smith, Donley, Gray and 11 more | 5 hr |
| Apr 22, 9:30 AM CDT | Severe Thunderstorm Watch | SPC | Collingsworth, Donley, Gray, Hemphill, Lipscomb, Ochiltree and 2 more | 6 hr |
| Apr 22, 1:00 PM CDT | Tornado Watch | SPC | Archer, Baylor, Clay, Cooke, Grayson, Montague and 2 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2001Every severe thunderstorm watch in 2001
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.