Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 455, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Aug 20, 1997, 3:17 PM CDT for Ellis County, Oklahoma. It was in force for 58 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 20, 1997, 3:17 PM CDT (20:17 UTC)
- Expired
- Aug 20, 1997, 4:15 PM CDT
- In force
- 58 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Ellis County, OK
The radar
The Vance AFB radar (KVNX), 157 km from the middle of the area, began a volume at 20:17 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 20, 3:30 PM CDT | Hail 0.75 | Harmon, OK | |
| Aug 20, 3:35 PM CDT | Hail 1.75 | Arnett, OK |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 20, 1:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 12:35 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa | 40 min |
| Aug 20, 1:13 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa | 47 min |
| Aug 20, 1:18 PM CDT | Severe Thunderstorm Warning | OUN | Woods, Woodward | 57 min |
| Aug 20, 1:56 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Garfield, Major | 64 min |
| Aug 20, 2:14 PM CDT | Severe Thunderstorm Warning | OUN | Major, Woodward | 61 min |
| Aug 20, 2:40 PM CDT | Severe Thunderstorm Warning | OUN | Dewey | 65 min |
| Aug 20, 3:27 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Roger Mills | 63 min |
| Aug 20, 4:30 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Custer, Roger Mills, Washita | 60 min |
| Aug 20, 5:17 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Greer | 43 min |
| Aug 20, 5:58 PM CDT | Severe Thunderstorm Warning | OUN | Greer | 47 min |
| Aug 19, 7:20 PM CDT | Severe Thunderstorm Warning | OUN | Foard | 40 min |
| Aug 19, 8:01 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Knox | 44 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1997Every severe thunderstorm warning 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; verification from NCEI's Storm Data; radar from the NEXRAD Level II archive.