Alert archive / Oklahoma / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 46
The Storm Prediction Center issued this severe thunderstorm watch at Feb 22, 2000, 6:00 PM CST for 20 counties in Oklahoma; 20 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 22, 2000, 6:00 PM CST (00:00 UTC)
- Expired
- Feb 22, 2000, 11:00 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 40 counties
Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Cotton County, OK, Garvin County, OK, Grady County, OK, Jefferson County, OK, Johnston County, OK, Lincoln County, OK, Love County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Okfuskee County, OK, Oklahoma County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Clay County, TX, Collin County, TX, Cooke County, TX, Dallas County, TX, Denton County, TX, Ellis County, TX, Erath County, TX, Grayson County, TX, Hill County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Montague County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rockwall County, TX, Somervell County, TX, Tarrant County, TX, Wise County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 108 km from the middle of the area, began a volume at 00:05 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
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 22, 7:07 PM CST | Severe Thunderstorm Warning | OUN | Jefferson | 33 min |
| Feb 22, 7:10 PM CST | Severe Thunderstorm Warning | OUN | Garvin, Stephens | 45 min |
| Feb 22, 7:28 PM CST | Severe Thunderstorm Warning | OUN | Oklahoma | 47 min |
| Feb 22, 9:45 PM CST | Severe Thunderstorm Warning | FWD | Collin | 45 min |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 0.0 hours before the alert went out and 80 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
- 217 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 879 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 296 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 5.5
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 |
|---|---|---|---|---|
| Feb 22, 7:00 PM CST | Severe Thunderstorm Watch | SPC | Bandera, Bell, Blanco, Bosque, Burnet, Comanche and 15 more | 5 hr |
| Feb 22, 10:00 PM CST | Severe Thunderstorm Watch | SPC | Anderson, Bastrop, Bell, Bexar, Blanco, Bowie and 46 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2000Severe Thunderstorm Watches in Texas, 2000Every severe thunderstorm watch in 2000
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.