Alert archive / Oklahoma / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 630
The Storm Prediction Center issued this severe thunderstorm watch at Jul 28, 2000, 9:30 PM CDT for 27 counties in Oklahoma. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 28, 2000, 9:30 PM CDT (02:30 UTC)
- Expired
- Jul 29, 2000, 3:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 27 counties
Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Creek County, OK, Garfield County, OK, Hughes County, OK, Kingfisher County, OK, Latimer County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, McIntosh County, OK, Muskogee County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pottawatomie County, OK, Seminole County, OK, Tulsa County, OK, Wagoner County, OK, Washita County, OK
The radar
The Norman radar (KTLX), 63 km from the middle of the area, began a volume at 02:30 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
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 9:31 PM CDT | Severe Thunderstorm Warning | OUN | Noble, Payne | 44 min |
| Jul 28, 9:54 PM CDT | Severe Thunderstorm Warning | OUN | Logan | 51 min |
| Jul 28, 10:15 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Payne | 30 min |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 2.5 hours before the alert went out and 73 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
- 1070 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 1839 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 184 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
Nearby
Severe Thunderstorm Watches in Oklahoma, 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.