Weather alerts in Idaho, 1987
19 weather alerts in 1987, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 1987. Tap one for its archive.
- Alerts
- 19
- Warnings
- 19
- Watches
- 0
- Advisories
- 0
- Busiest month
- June7 alerts
- Busiest day
- June 15, 19874 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 | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 3:00 PM MDT | Tornado Warning | BOI | Gem, Payette, Washington | 60 min |
| Apr 30, 3:25 PM MDT | Severe Thunderstorm Warning | BOI | Adams, Valley | 65 min |
| Apr 30, 6:30 PM MDT | Severe Thunderstorm Warning | PIH | Fremont, Madison | 60 min |
| May 16, 5:20 PM MDT | Flash Flood Warning | PIH | Bonneville, Teton | 2 hr |
| May 16, 5:20 PM MDT | Flash Flood Warning | PIH | Bannock | 2 hr |
| May 16, 7:25 PM MDT | Flash Flood Warning | PIH | Bannock, Power | 3 hr |
| May 17, 8:05 PM MDT | Tornado Warning | PIH | Bonneville, Jefferson, Madison | 60 min |
| May 26, 10:30 PM MDT | Flash Flood Warning | PIH | Power | 60 min |
| Jun 5, 4:30 PM MDT | Severe Thunderstorm Warning | PIH | Bonneville, Fremont, Jefferson, Madison | 60 min |
| Jun 5, 5:30 PM MDT | Severe Thunderstorm Warning | PIH | Fremont | 45 min |
| Jun 9, 2:05 PM MDT | Severe Thunderstorm Warning | PIH | Fremont, Teton | 55 min |
| Jun 15, 3:15 PM MDT | Severe Thunderstorm Warning | BOI | Ada, Canyon, Gem, Payette | 75 min |
| Jun 15, 3:30 PM MDT | Severe Thunderstorm Warning | BOI | Washington | 60 min |
| Jun 15, 3:30 PM MDT | Severe Thunderstorm Warning | BOI | Boise, Valley | 60 min |
| Jun 15, 4:30 PM MDT | Severe Thunderstorm Warning | BOI | Adams, Valley, Washington | 60 min |
| Jul 21, 1:20 PM MDT | Severe Thunderstorm Warning | PIH | Bonneville | 50 min |
| Jul 29, 2:15 PM MDT | Flash Flood Warning | PIH | Power | 3 hr |
| Jul 29, 5:20 PM MDT | Severe Thunderstorm Warning | BOI | Ada, Boise, Elmore | 70 min |
| Jul 29, 7:54 PM MDT | Tornado Warning | PIH | Bonneville | 21 min |
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 | 11 |
| Tornado Warning | 3 |
| Flooding | |
| Flash Flood Warning | 5 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19861988
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.