Alert archive / Idaho / Owyhee County
Weather alerts in Owyhee County, Idaho, 2023
132 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Owyhee County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 132
- Warnings
- 32
- Watches
- 11
- Advisories
- 62
- Busiest month
- June24 alerts
- Busiest day
- June 13, 20237 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado reports fell inside a warning.
Owyhee County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 1 | 0% | |||
| Severe thunderstorm warnings | 13 | 1 | 92% | 2 | 50% | 1 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Boise, ID: tornado warnings | 0 | 3 | 0% | |||
| NWS Boise, ID: severe thunderstorm warnings | 40 | 8 | 80% | 40 | 45% | 11 min |
| NWS Boise, ID: flash flood warnings | 13 | 3 | 77% | 4 | 75% | 62 min |
An office's figures cover every county it serves, including across state lines.
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, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 31, 6:51 PM MST | Dense Fog Advisory | BOI | 11 hr |
| Jan 6, 8:23 AM MST | Dense Fog Advisory | BOI | 3 hr |
| Jan 6, 11:20 PM MST | Dense Fog Advisory | BOI | 12 hr |
| Jan 10, 2:48 AM MST | Dense Fog Advisory | BOI | 10 hr |
| Jan 11, 2:32 AM MST | Dense Fog Advisory | BOI | 9 hr |
| Jan 17, 2:44 PM MST | Winter Weather Advisory | BOI | 56 hr |
| Jan 28, 2:49 AM MST | Winter Weather Advisory | BOI | 26 hr |
| Jan 30, 12:32 PM MST | Air Stagnation Advisory | BOI | 4 days |
| Feb 13, 2:45 AM MST | Wind Advisory | BOI | 28 hr |
| Feb 19, 2:26 PM MST | Wind Advisory | BOI | 47 hr |
| Feb 20, 3:18 AM MST | Winter Weather Advisory | BOI | 38 hr |
| Feb 26, 2:07 AM MST | Winter Weather Advisory | BOI | 18 hr |
| Feb 27, 8:20 PM MST | Wind Advisory | BOI | 8 hr |
| Feb 28, 2:15 PM MST | Winter Weather Advisory | BOI | 15 hr |
| Mar 8, 1:12 PM MST | Wind Advisory | BOI | 54 hr |
| Mar 8, 6:35 PM MST | Snow Squall Warning | BOI | 40 min |
| Mar 8, 7:13 PM MST | Snow Squall Warning | BOI | 47 min |
| Mar 9, 3:15 AM MST | Winter Storm Warning | BOI | 35 hr |
| Mar 14, 2:47 AM MDT | Wind Advisory | BOI | 35 hr |
| Mar 14, 11:37 PM MDT | High Wind Warning | BOI | 15 hr |
| Mar 23, 3:06 AM MDT | Wind Advisory | BOI | 41 hr |
| Mar 30, 5:24 AM MDT | Winter Weather Advisory | BOI | 13 hr |
| Apr 3, 2:56 AM MDT | Wind Advisory | BOI | 39 hr |
| Apr 3, 1:50 PM MDT | Winter Weather Advisory | BOI | 20 hr |
| Apr 23, 2:33 PM MDT | Wind Advisory | BOI | 32 hr |
| Apr 26, 1:43 PM MDT | Wind Advisory | BOI | 31 hr |
| May 4, 9:45 AM MDT | River Flood Watch | BOI | 28 hr |
| May 8, 6:15 PM MDT | Special Weather Statement | BOI | 30 min |
| May 8, 6:43 PM MDT | Special Weather Statement | BOI | 47 min |
| May 13, 3:04 AM MDT | Wind Advisory | BOI | 29 hr |
| May 15, 2:32 PM MDT | Severe Thunderstorm Warning | BOI | 43 min |
| May 15, 3:18 PM MDT | Special Weather Statement | BOI | 27 min |
| May 15, 3:50 PM MDT | Special Weather Statement | BOI | 25 min |
| May 21, 5:05 PM MDT | Special Weather Statement | BOI | 40 min |
| May 21, 5:29 PM MDT | Severe Thunderstorm Warning | BOI | 46 min |
| May 21, 6:08 PM MDT | Severe Thunderstorm Warning | BOI | 37 min |
| May 21, 6:42 PM MDT | Dust Storm Advisory | BOI | 63 min |
| May 24, 1:29 PM MDT | Areal Flood Advisory | BOI | 3 days |
| May 25, 2:50 PM MDT | Severe Thunderstorm Warning | BOI | 40 min |
| May 25, 3:26 PM MDT | Severe Thunderstorm Warning | BOI | 49 min |
| May 25, 4:11 PM MDT | Severe Thunderstorm Warning | BOI | 34 min |
| May 26, 4:34 PM MDT | Areal Flood Advisory | BOI | 3 hr |
| May 27, 1:05 PM MDT | Special Weather Statement | BOI | 25 min |
| May 29, 4:10 PM MDT | Flood Watch | BOI | 3 hr |
| May 31, 3:34 PM MDT | Special Weather Statement | BOI | 26 min |
| May 31, 4:24 PM MDT | Severe Thunderstorm Warning | BOI | 36 min |
| May 31, 4:45 PM MDT | Areal Flood Advisory | BOI | 2 hr |
| May 31, 4:55 PM MDT | Severe Thunderstorm Warning | BOI | 50 min |
| May 31, 5:11 PM MDT | Areal Flood Advisory | BOI | 2 hr |
| Jun 4, 4:18 PM MDT | Areal Flood Advisory | BOI | 3 hr |
| Jun 4, 6:01 PM MDT | Areal Flood Advisory | BOI | 3 hr |
| Jun 6, 7:26 PM MDT | Special Weather Statement | BOI | 34 min |
| Jun 6, 7:59 PM MDT | Severe Thunderstorm Warning | BOI | 46 min |
| Jun 6, 8:22 PM MDT | Severe Thunderstorm Warning | BOI | 38 min |
| Jun 6, 8:54 PM MDT | Severe Thunderstorm Warning | BOI | 51 min |
| Jun 6, 9:02 PM MDT | Dust Storm Advisory | BOI | 58 min |
| Jun 7, 6:02 PM MDT | Dust Storm Advisory | BOI | 43 min |
| Jun 8, 2:42 PM MDT | Special Weather Statement | BOI | 48 min |
| Jun 8, 3:25 PM MDT | Special Weather Statement | BOI | 50 min |
| Jun 9, 3:00 AM MDT | Flood Watch | BOI | 19 hr |
| Jun 9, 12:21 PM MDT | Areal Flood Advisory | BOI | 3 hr |
| Jun 9, 4:46 PM MDT | Special Weather Statement | BOI | 29 min |
| Jun 11, 2:17 PM MDT | Special Weather Statement | BOI | 28 min |
| Jun 11, 3:02 PM MDT | Special Weather Statement | BOI | 43 min |
| Jun 13, 12:36 PM MDT | Special Weather Statement | BOI | 39 min |
| Jun 13, 1:19 PM MDT | Special Weather Statement | BOI | 41 min |
| Jun 13, 2:28 PM MDT | Areal Flood Advisory | BOI | 6 hr |
| Jun 13, 2:31 PM MDT | Special Weather Statement | BOI | 44 min |
| Jun 13, 4:15 PM MDT | Areal Flood Advisory | BOI | 2 hr |
| Jun 13, 4:17 PM MDT | Severe Thunderstorm Warning | BOI | 22 min |
| Jun 13, 5:02 PM MDT | Severe Thunderstorm Warning | BOI | 28 min |
| Jun 25, 6:39 PM MDT | Special Weather Statement | BOI | 51 min |
| Jun 27, 1:38 PM MDT | Special Weather Statement | BOI | 52 min |
| Jul 13, 12:59 PM MDT | Heat Advisory | BOI | 3 days |
| Jul 20, 1:04 PM MDT | Heat Advisory | BOI | 3 days |
| Jul 21, 1:46 PM MDT | Fire Weather Watch | BOI | 25 hr |
| Jul 22, 2:27 PM MDT | Red Flag Warning | BOI | 55 hr |
| Jul 24, 2:12 PM MDT | Red Flag Warning | BOI | 31 hr |
| Jul 25, 1:58 PM MDT | Red Flag Warning | BOI | 31 hr |
| Jul 26, 1:54 PM MDT | Red Flag Warning | BOI | 31 hr |
| Jul 27, 2:31 PM MDT | Fire Weather Watch | BOI | 24 hr |
| Jul 27, 2:31 PM MDT | Red Flag Warning | BOI | 30 hr |
| Aug 1, 8:41 AM MDT | Red Flag Warning | BOI | 14 hr |
| Aug 1, 2:56 PM MDT | Red Flag Warning | BOI | 32 hr |
| Aug 1, 2:56 PM MDT | Red Flag Warning | BOI | 19 min |
| Aug 1, 3:15 PM MDT | Fire Weather Watch | BOI | 22 hr |
| Aug 2, 1:31 PM MDT | Red Flag Warning | BOI | 57 hr |
| Aug 3, 5:49 PM MDT | Special Weather Statement | BOI | 41 min |
| Aug 3, 6:01 PM MDT | Areal Flood Advisory | BOI | 7 hr |
| Aug 4, 6:33 PM MDT | Special Weather Statement | BOI | 42 min |
| Aug 4, 11:29 PM MDT | Special Weather Statement | BOI | 46 min |
| Aug 5, 12:21 AM MDT | Special Weather Statement | BOI | 39 min |
| Aug 7, 6:47 PM MDT | Special Weather Statement | BOI | 43 min |
| Aug 13, 1:36 PM MDT | Heat Advisory | BOI | 4 days |
| Aug 17, 10:05 AM MDT | Red Flag Warning | BOI | 14 hr |
| Aug 17, 8:13 PM MDT | Special Weather Statement | BOI | 62 min |
| Aug 19, 1:44 AM MDT | Flood Watch | BOI | 68 hr |
| Aug 19, 3:37 PM MDT | Special Weather Statement | BOI | 38 min |
| Aug 20, 1:34 AM MDT | High Wind Warning | BOI | 36 hr |
| Aug 20, 1:34 AM MDT | Wind Advisory | BOI | 36 hr |
| Aug 20, 4:21 PM MDT | Special Weather Statement | BOI | 39 min |
| Aug 22, 7:06 PM MDT | Areal Flood Advisory | BOI | 3 hr |
| Aug 26, 4:57 PM MDT | Areal Flood Advisory | BOI | 3 hr |
| Aug 26, 11:20 PM MDT | Areal Flood Advisory | BOI | 3 hr |
| Aug 28, 8:10 AM MDT | Fire Weather Watch | BOI | 5 hr |
| Aug 28, 1:16 PM MDT | Red Flag Warning | BOI | 31 hr |
| Sep 3, 1:19 AM MDT | Flood Watch | BOI | 18 hr |
| Sep 3, 10:14 AM MDT | Areal Flood Advisory | BOI | 4 hr |
| Sep 23, 2:01 PM MDT | Fire Weather Watch | BOI | 18 hr |
| Sep 24, 8:27 AM MDT | Red Flag Warning | BOI | 36 hr |
| Oct 22, 7:50 PM MDT | Special Weather Statement | BOI | 40 min |
| Oct 26, 1:57 PM MDT | Freeze Warning | BOI | 20 hr |
| Oct 31, 8:23 PM MDT | Air Stagnation Advisory | BOI | 34 hr |
| Nov 2, 9:45 PM MDT | Dense Fog Advisory | BOI | 14 hr |
| Nov 3, 1:33 PM MDT | Dense Fog Advisory | BOI | 17 hr |
| Nov 9, 2:11 PM MST | Air Stagnation Advisory | BOI | 9 days |
| Nov 17, 2:18 PM MST | Wind Advisory | BOI | 57 hr |
| Nov 21, 1:33 PM MST | Winter Weather Advisory | BOI | 38 hr |
| Nov 23, 3:26 AM MST | Winter Storm Warning | BOI | 32 hr |
| Nov 23, 3:26 AM MST | Winter Weather Advisory | BOI | 26 hr |
| Nov 26, 1:56 PM MST | Air Stagnation Advisory | BOI | 4 days |
| Nov 29, 2:41 PM MST | Winter Storm Watch | BOI | 43 hr |
| Nov 29, 2:41 PM MST | Winter Weather Advisory | BOI | 68 hr |
| Dec 1, 2:53 AM MST | Wind Advisory | BOI | 42 hr |
| Dec 11, 1:56 PM MST | Air Stagnation Advisory | BOI | 7 days |
| Dec 16, 9:12 AM MST | Dense Fog Advisory | BOI | 4 hr |
| Dec 16, 1:40 PM MST | Dense Fog Advisory | BOI | 22 hr |
| Dec 18, 10:15 PM MST | Winter Weather Advisory | BOI | 13 hr |
| Dec 20, 7:28 AM MST | Dense Fog Advisory | BOI | 5 hr |
| Dec 20, 2:11 PM MST | Dense Fog Advisory | BOI | 23 hr |
| Dec 21, 2:06 PM MST | Dense Fog Advisory | BOI | 21 hr |
| Dec 25, 8:45 PM MST | Winter Weather Advisory | BOI | 15 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 Warning | 13 |
| Special Weather Statement | 27 |
| Flooding | |
| Flood Watch | 4 |
| River Flood Watch | 1 |
| Areal Flood Advisory | 14 |
| Winter | |
| Snow Squall Warning | 2 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 12 |
| Heat | |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 1 |
| Wind and dust | |
| High Wind Warning | 2 |
| Dust Storm Advisory | 3 |
| Wind Advisory | 13 |
| Fire | |
| Red Flag Warning | 12 |
| Fire Weather Watch | 5 |
| Fog and smoke | |
| Air Stagnation Advisory | 5 |
| Dense Fog Advisory | 12 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20222024
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.