Alert archive / Oregon / Umatilla County / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Umatilla County, Oregon, 1997
18 severe thunderstorm warnings in 1997. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.
Umatilla County and its neighbors
Each county as a circle sized by its count in 1997. Tap one for its archive.
- Severe Thunderstorm Warnings
- 18
- Busiest month
- July7 severe thunderstorm warnings
- Busiest day
- July 31, 19976 severe thunderstorm warnings
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 26, 9:18 PM PDT | Severe Thunderstorm Warning | PDT | 57 min |
| May 14, 5:28 PM PDT | Severe Thunderstorm Warning | PDT | 47 min |
| May 31, 3:05 AM PDT | Severe Thunderstorm Warning | PDT | 85 min |
| May 31, 10:28 AM PDT | Severe Thunderstorm Warning | PDT | 62 min |
| May 31, 11:25 AM PDT | Severe Thunderstorm Warning | PDT | 65 min |
| May 31, 12:25 PM PDT | Severe Thunderstorm Warning | PDT | 50 min |
| May 31, 1:15 PM PDT | Severe Thunderstorm Warning | PDT | 60 min |
| Jul 21, 1:06 PM PDT | Severe Thunderstorm Warning | PDT | 69 min |
| Jul 30, 5:06 PM PDT | Severe Thunderstorm Warning | PDT | 69 min |
| Jul 30, 6:05 PM PDT | Severe Thunderstorm Warning | PDT | 55 min |
| Jul 30, 6:41 PM PDT | Severe Thunderstorm Warning | PDT | 64 min |
| Jul 30, 7:49 PM PDT | Severe Thunderstorm Warning | PDT | 56 min |
| Jul 31, 3:15 PM PDT | Severe Thunderstorm Warning | PDT | 45 min |
| Jul 31, 4:00 PM PDT | Severe Thunderstorm Warning | PDT | 60 min |
| Aug 1, 6:07 PM PDT | Severe Thunderstorm Warning | PDT | 53 min |
| Aug 1, 6:57 PM PDT | Severe Thunderstorm Warning | PDT | 63 min |
| Aug 24, 5:35 AM PDT | Severe Thunderstorm Warning | PDT | 55 min |
| Aug 24, 6:30 AM PDT | Severe Thunderstorm Warning | PDT | 60 min |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19961998
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.