Alert archive / Oklahoma / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 561
The Storm Prediction Center issued this severe thunderstorm watch at Jul 3, 1997, 3:00 PM CDT for 10 counties in Kansas; 23 counties in Oklahoma. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 3, 1997, 3:00 PM CDT (20:00 UTC)
- Expired
- Jul 3, 1997, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Barber County, KS, Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Harper County, KS, Labette County, KS, Montgomery County, KS, Sumner County, KS, Alfalfa County, OK, Blaine County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Logan County, OK, Major County, OK, Mayes County, OK, Noble County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Woods County, OK
The radar
The Vance AFB radar (KVNX), 80 km from the middle of the area, began a volume at 20:02 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
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 5:02 PM CDT | Severe Thunderstorm Warning | ICT | Elk, Wilson | 43 min |
| Jul 3, 5:23 PM CDT | Severe Thunderstorm Warning | ICT | Montgomery | 62 min |
| Jul 3, 5:59 PM CDT | Severe Thunderstorm Warning | ICT | Chautauqua | 61 min |
| Jul 3, 6:08 PM CDT | Severe Thunderstorm Warning | ICT | Labette | 62 min |
| Jul 3, 6:33 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 57 min |
| Jul 3, 6:37 PM CDT | Severe Thunderstorm Warning | SGF | Cherokee | 68 min |
| Jul 3, 7:04 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Ottawa | 56 min |
| Jul 3, 7:09 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Washington | 66 min |
| Jul 3, 7:28 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 62 min |
| Jul 3, 7:53 PM CDT | Tornado Warning | TSA | Washington | 37 min |
| Jul 3, 8:09 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 66 min |
| Jul 3, 8:11 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 64 min |
| Jul 3, 8:26 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 64 min |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 8.0 hours before the alert went out and 173 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
- 1487 J/kg
- Mixed-layer CIN
- -169 J/kg
- Mixed-layer LCL
- 989 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- -16 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.
Nearby
Severe Thunderstorm Watches in Oklahoma, 1997Severe Thunderstorm Watches in Kansas, 1997Every severe thunderstorm watch in 1997
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.