Alert archive / Idaho / Ada County
Weather alerts in Ada County, Idaho, 2021
73 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Ada County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 73
- Warnings
- 22
- Watches
- 7
- Advisories
- 31
- Busiest month
- June14 alerts
- Busiest day
- June 23, 20216 alerts
Over time
By month
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 |
|---|---|---|---|
| Jan 7, 7:17 PM MST | Dense Fog Advisory | BOI | 6 hr |
| Jan 16, 4:20 AM MST | Dense Fog Advisory | BOI | 7 hr |
| Jan 18, 2:59 AM MST | Dense Fog Advisory | BOI | 8 hr |
| Jan 22, 12:25 AM MST | Dense Fog Advisory | BOI | 11 hr |
| Jan 27, 5:02 AM MST | Wind Advisory | BOI | 12 hr |
| Feb 4, 2:33 PM MST | Wind Advisory | BOI | 26 hr |
| Feb 10, 1:26 PM MST | Winter Weather Advisory | BOI | 70 hr |
| Feb 12, 1:42 PM MST | Winter Storm Warning | BOI | 21 hr |
| Feb 13, 10:59 AM MST | Winter Storm Warning | BOI | 6 hr |
| Feb 13, 2:09 PM MST | Winter Weather Advisory | BOI | 63 hr |
| Feb 17, 2:25 AM MST | Winter Weather Advisory | BOI | 57 hr |
| Mar 27, 2:18 PM MDT | Wind Advisory | BOI | 12 hr |
| Mar 28, 2:44 AM MDT | High Wind Warning | BOI | 33 hr |
| Mar 29, 8:26 AM MDT | Wind Advisory | BOI | 8 hr |
| Apr 7, 11:35 AM MDT | Wind Advisory | BOI | 32 hr |
| Apr 9, 1:49 PM MDT | Wind Advisory | BOI | 31 hr |
| Apr 19, 2:34 AM MDT | Wind Advisory | BOI | 15 hr |
| May 1, 3:13 PM MDT | Severe Thunderstorm Warning | BOI | 47 min |
| May 31, 2:13 PM MDT | Excessive Heat Watch | BOI | 24 hr |
| Jun 1, 2:10 PM MDT | Excessive Heat Warning | BOI | 55 hr |
| Jun 3, 4:58 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 13, 2:38 AM MDT | Heat Advisory | BOI | 18 hr |
| Jun 22, 10:19 AM MDT | High Wind Watch | BOI | 10 hr |
| Jun 22, 6:40 PM MDT | Severe Thunderstorm Warning | BOI | 50 min |
| Jun 22, 7:14 PM MDT | Dust Storm Warning | BOI | 31 min |
| Jun 22, 7:35 PM MDT | Dust Storm Warning | BOI | 55 min |
| Jun 22, 7:55 PM MDT | Special Weather Statement | BOI | 50 min |
| Jun 22, 8:36 PM MDT | High Wind Warning | BOI | 3 hr |
| Jun 23, 2:33 PM MDT | Excessive Heat Watch | BOI | 24 hr |
| Jun 23, 6:36 PM MDT | Special Weather Statement | BOI | 39 min |
| Jun 24, 2:09 PM MDT | Excessive Heat Warning | BOI | 13 days |
| Jun 29, 9:18 PM MDT | Special Weather Statement | BOI | 27 min |
| Jun 30, 3:03 AM MDT | Heat Advisory | BOI | 6 days |
| Jul 4, 6:19 PM MDT | Special Weather Statement | BOI | 26 min |
| Jul 4, 6:39 PM MDT | Severe Thunderstorm Warning | BOI | 36 min |
| Jul 4, 7:26 PM MDT | Special Weather Statement | BOI | 34 min |
| Jul 8, 2:58 AM MDT | Excessive Heat Watch | BOI | 12 hr |
| Jul 8, 2:37 PM MDT | Excessive Heat Warning | BOI | 4 days |
| Jul 17, 3:40 AM MDT | Heat Advisory | BOI | 41 hr |
| Jul 18, 2:23 PM MDT | Red Flag Warning | BOI | 57 hr |
| Jul 23, 2:18 PM MDT | Excessive Heat Watch | BOI | 12 hr |
| Jul 24, 2:02 AM MDT | Excessive Heat Warning | BOI | 70 hr |
| Jul 31, 9:32 PM MDT | Special Weather Statement | BOI | 28 min |
| Jul 31, 10:12 PM MDT | Flash Flood Warning | BOI | 3 hr |
| Aug 3, 2:26 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 3, 7:02 PM MDT | Special Weather Statement | BOI | 43 min |
| Aug 4, 2:34 PM MDT | Red Flag Warning | BOI | 42 hr |
| Aug 4, 9:05 PM MDT | Special Weather Statement | BOI | 25 min |
| Aug 5, 2:41 AM MDT | Wind Advisory | BOI | 27 hr |
| Aug 5, 2:45 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 2:35 PM MDT | Excessive Heat Warning | BOI | 4 days |
| Aug 12, 2:04 PM MDT | Excessive Heat Warning | BOI | 23 hr |
| Aug 16, 8:20 PM MDT | Special Weather Statement | BOI | 25 min |
| Aug 19, 2:41 PM MDT | Fire Weather Watch | BOI | 18 hr |
| Aug 20, 8:25 AM MDT | Red Flag Warning | BOI | 40 hr |
| Aug 21, 10:43 PM MDT | Special Weather Statement | BOI | 32 min |
| Sep 10, 7:31 PM MDT | Severe Thunderstorm Warning | BOI | 29 min |
| Sep 11, 3:44 AM MDT | Dense Fog Advisory | BOI | 8 hr |
| Sep 18, 5:00 AM MDT | Wind Advisory | BOI | 15 hr |
| Sep 27, 2:01 PM MDT | Wind Advisory | BOI | 20 hr |
| Oct 10, 2:34 PM MDT | Freeze Watch | BOI | 24 hr |
| Oct 10, 2:34 PM MDT | Wind Advisory | BOI | 33 hr |
| Oct 11, 2:25 PM MDT | Freeze Warning | BOI | 44 hr |
| Oct 23, 2:42 AM MDT | Wind Advisory | BOI | 42 hr |
| Nov 26, 11:25 AM MST | Air Stagnation Advisory | BOI | 8 days |
| Dec 3, 9:05 AM MST | Dense Fog Advisory | BOI | 115 min |
| Dec 3, 2:28 PM MST | Dense Fog Advisory | BOI | 23 hr |
| Dec 7, 2:24 PM MST | Dense Fog Advisory | BOI | 18 hr |
| Dec 14, 2:37 PM MST | Winter Weather Advisory | BOI | 41 hr |
| Dec 21, 2:24 PM MST | Winter Weather Advisory | BOI | 6 days |
| Dec 24, 7:59 PM MST | Snow Squall Warning | BOI | 31 min |
| Dec 28, 2:33 AM MST | Winter Weather Advisory | BOI | 38 hr |
| Dec 29, 8:05 PM MST | Winter Weather Advisory | BOI | 48 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 | 4 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 10 |
| Flooding | |
| Flash Flood Warning | 1 |
| Winter | |
| Snow Squall Warning | 1 |
| Winter Storm Warning | 2 |
| Winter Weather Advisory | 7 |
| Heat | |
| Excessive Heat Warning | 6 |
| Excessive Heat Watch | 4 |
| Heat Advisory | 3 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 1 |
| Wind and dust | |
| Dust Storm Warning | 2 |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Wind Advisory | 12 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Air Stagnation Advisory | 1 |
| Dense Fog Advisory | 8 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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. Rebuilt daily.