Alert archive / Oregon / Gilliam County
Weather alerts in Gilliam County, Oregon, 2026
70 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Gilliam County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 70
- Warnings
- 15
- Watches
- 15
- Advisories
- 33
- Busiest month
- July15 alerts
- Busiest day
- May 29, 20265 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Gilliam County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 0 | 1 | 0% | |||
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Pendleton, OR: severe thunderstorm warnings | 15 | 3 | 80% | 19 | 16% | 26 min |
| NWS Boise, ID: severe thunderstorm warnings | 46 | 10 | 78% | 43 | 60% | 23 min |
| NWS Boise, ID: flash flood warnings | 13 | 1 | 92% | 3 | 67% | 69 min |
| NWS Medford, OR: severe thunderstorm warnings | 33 | 3 | 91% | 10 | 40% | 20 min |
| NWS Medford, OR: flash flood warnings | 0 | 1 | 0% | |||
| NWS Portland, OR: tornado warnings | 2 | 0 | 100% | 0 | ||
| NWS Portland, OR: severe thunderstorm warnings | 1 | 0 | 100% | 0 | ||
| NWS Portland, OR: flash flood warnings | 0 | 2 | 0% |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 |
|---|---|---|---|
| Jan 2, 10:41 PM PST | Dense Fog Advisory | PDT | 11 hr |
| Jan 5, 8:12 AM PST | Dense Fog Advisory | PDT | 108 min |
| Jan 12, 11:51 AM PST | Air Stagnation Advisory | PDT | 8 days |
| Jan 19, 5:30 AM PST | Freezing Fog Advisory | PDT | 7 hr |
| Jan 19, 12:01 PM PST | Freezing Fog Advisory | PDT | 119 min |
| Jan 30, 2:40 AM PST | Dense Fog Advisory | PDT | 9 hr |
| Jan 31, 12:14 AM PST | Dense Fog Advisory | PDT | 12 hr |
| Jan 31, 12:00 PM PST | Dense Fog Advisory | PDT | 24 hr |
| Feb 5, 6:38 PM PST | Freezing Fog Advisory | PDT | 17 hr |
| Feb 15, 1:25 PM PST | Dense Fog Advisory | PDT | 23 hr |
| Feb 15, 1:38 PM PST | Winter Weather Advisory | PDT | 4 days |
| Mar 5, 2:48 AM PST | Wind Advisory | PDT | 9 hr |
| Mar 7, 1:15 PM PST | Wind Advisory | PDT | 32 hr |
| Mar 10, 1:49 AM PDT | High Wind Watch | PDT | 12 hr |
| Mar 10, 1:28 PM PDT | High Wind Warning | PDT | 46 hr |
| Mar 13, 2:14 AM PDT | Wind Advisory | PDT | 15 hr |
| Apr 2, 2:14 AM PDT | Wind Advisory | PDT | 18 hr |
| Apr 21, 9:55 AM PDT | Wind Advisory | PDT | 35 hr |
| Apr 21, 10:56 AM PDT | Winter Weather Advisory | PDT | 31 hr |
| Apr 21, 2:03 PM PDT | Flood Watch | PDT | 43 hr |
| May 6, 1:29 AM PDT | Wind Advisory | PDT | 20 hr |
| May 11, 10:41 PM PDT | High Wind Warning | PDT | 48 hr |
| May 11, 10:41 PM PDT | Wind Advisory | PDT | 48 hr |
| May 24, 9:56 AM PDT | Wind Advisory | PDT | 35 hr |
| May 28, 11:29 AM PDT | Mesoscale Discussion | SPC | 3 hr |
| May 28, 12:49 PM PDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 28, 3:15 PM PDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 5:10 PM PDT | Mesoscale Discussion | SPC | 2 hr |
| May 28, 6:26 PM PDT | Special Weather Statement | PDT | 49 min |
| May 28, 6:53 PM PDT | Mesoscale Discussion | SPC | 97 min |
| May 28, 6:57 PM PDT | Special Weather Statement | PDT | 48 min |
| May 28, 10:06 PM PDT | Wind Advisory | PDT | 25 hr |
| Jun 8, 9:21 AM PDT | Wind Advisory | PDT | 35 hr |
| Jun 13, 11:15 AM PDT | Heat Advisory | PDT | 58 hr |
| Jun 14, 11:26 AM PDT | Fire Weather Watch | PDT | 23 hr |
| Jun 15, 10:01 AM PDT | Red Flag Warning | PDT | 37 hr |
| Jun 15, 1:21 PM PDT | Wind Advisory | PDT | 32 hr |
| Jun 18, 1:48 PM PDT | Fire Weather Watch | PDT | 21 hr |
| Jun 19, 10:55 AM PDT | Red Flag Warning | PDT | 33 hr |
| Jun 19, 11:31 AM PDT | Extreme Heat Watch | PDT | 23 hr |
| Jun 20, 10:49 AM PDT | Heat Advisory | PDT | 3 days |
| Jun 22, 10:35 PM PDT | Red Flag Warning | PDT | 21 hr |
| Jun 24, 1:43 AM PDT | Fire Weather Watch | PDT | 9 hr |
| Jun 24, 11:00 AM PDT | Red Flag Warning | PDT | 34 hr |
| Jun 27, 10:26 AM PDT | Wind Advisory | PDT | 45 hr |
| Jul 2, 7:22 AM PDT | Fire Weather Watch | PDT | 25 hr |
| Jul 3, 8:46 AM PDT | Red Flag Warning | PDT | 37 hr |
| Jul 5, 11:17 AM PDT | Fire Weather Watch | PDT | 24 hr |
| Jul 6, 10:53 AM PDT | Red Flag Warning | PDT | 35 hr |
| Jul 15, 11:00 AM PDT | Heat Advisory | PDT | 34 hr |
| Jul 15, 12:10 PM PDT | Red Flag Warning | PDT | 22 hr |
| Jul 15, 12:31 PM PDT | Mesoscale Discussion | SPC | 89 min |
| Jul 16, 1:07 PM PDT | Wind Advisory | PDT | 12 hr |
| Jul 17, 10:23 AM PDT | Red Flag Warning | PDT | 36 hr |
| Jul 19, 4:00 PM PDT | Extreme Heat Watch | PDT | 23 hr |
| Jul 20, 3:16 PM PDT | Heat Advisory | PDT | 3 days |
| Jul 23, 11:59 AM PDT | Red Flag Warning | PDT | 56 hr |
| Jul 29, 10:22 AM PDT | Fire Weather Watch | PDT | 48 hr |
| Jul 30, 10:46 PM PDT | Wind Advisory | PDT | 48 hr |
| Jul 31, 10:03 AM PDT | Red Flag Warning | PDT | 37 hr |
| Aug 2, 2:35 PM PDT | Fire Weather Watch | PDT | 20 hr |
| Aug 5, 11:35 AM PDT | Fire Weather Watch | PDT | 24 hr |
| Aug 6, 11:46 AM PDT | Red Flag Warning | PDT | 58 hr |
| Aug 16, 10:45 PM PDT | Fire Weather Watch | PDT | 10 hr |
| Aug 17, 8:16 AM PDT | Red Flag Warning | PDT | 38 hr |
| Aug 20, 10:30 AM PDT | Heat Advisory | PDT | 36 hr |
| Aug 20, 12:08 PM PDT | Fire Weather Watch | PDT | 24 hr |
| Aug 21, 11:57 AM PDT | Red Flag Warning | PDT | 34 hr |
| Aug 21, 1:09 PM PDT | Wind Advisory | PDT | 31 hr |
| Sep 24, 9:28 AM PDT | Wind Advisory | PDT | 38 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 2 |
| Flooding | |
| Flood Watch | 1 |
| Winter | |
| Winter Weather Advisory | 2 |
| Heat | |
| Extreme Heat Watch | 2 |
| Heat Advisory | 5 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 16 |
| Fire | |
| Red Flag Warning | 13 |
| Fire Weather Watch | 10 |
| Fog and smoke | |
| Air Stagnation Advisory | 1 |
| Dense Fog Advisory | 6 |
| Freezing Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
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.