Alert archive / Idaho / 2009
Weather alerts in Idaho, April 2009
31 weather alerts in April 2009, 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 April 2009. Tap one for its archive.
- Alerts
- 31
- Warnings
- 12
- Watches
- 7
- Advisories
- 12
- Busiest day
- April 14, 20097 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 1, 4:42 AM MDT | Winter Storm Watch | OTX | Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone | 11 hr |
| Apr 1, 4:42 AM MDT | Winter Weather Advisory | OTX | Benewah, Bonner, Boundary, Kootenai, Latah, Lewis and 2 more | 49 hr |
| Apr 1, 9:20 PM MDT | Winter Storm Warning | OTX | Benewah, Kootenai, Latah, Shoshone | 33 hr |
| Apr 1, 9:58 PM MDT | Winter Storm Warning | MSO | Clearwater | 24 hr |
| Apr 1, 9:58 PM MDT | Winter Weather Advisory | MSO | Clearwater, Idaho | 32 hr |
| Apr 2, 4:01 AM MDT | Winter Storm Watch | PIH | 10 hr | |
| Apr 3, 8:16 AM MDT | Winter Weather Advisory | PIH | 6 hr | |
| Apr 3, 11:30 AM MDT | Wind Advisory | BOI | Ada, Elmore, Gooding, Jerome, Owyhee, Twin Falls | 9 hr |
| Apr 12, 7:46 AM MDT | Dense Fog Advisory | PIH | 3 hr | |
| Apr 12, 8:33 AM MDT | Dense Fog Advisory | BOI | Adams, Boise, Camas, Elmore, Gem, Valley and 1 more | 2 hr |
| Apr 13, 2:09 PM MDT | Winter Storm Watch | PIH | 31 hr | |
| Apr 13, 2:51 PM MDT | High Wind Watch | BOI | Ada, Adams, Canyon, Elmore, Gem, Owyhee and 3 more | 12 hr |
| Apr 13, 2:53 PM MDT | Winter Storm Watch | BOI | Owyhee, Twin Falls | 21 hr |
| Apr 13, 8:31 PM MDT | Severe Thunderstorm Warning | PIH | Bonneville, Madison, Teton | 29 min |
| Apr 14, 2:43 AM MDT | Wind Advisory | BOI | Ada, Canyon, Elmore, Gem, Owyhee, Payette and 1 more | 42 hr |
| Apr 14, 9:02 AM MDT | Winter Weather Advisory | MSO | Lemhi | 30 hr |
| Apr 14, 12:21 PM MDT | Winter Storm Warning | BOI | Owyhee, Twin Falls | 33 hr |
| Apr 14, 12:21 PM MDT | Winter Weather Advisory | BOI | Camas, Elmore, Gooding, Jerome, Owyhee, Twin Falls | 33 hr |
| Apr 14, 2:13 PM MDT | Winter Storm Warning | PIH | 40 hr | |
| Apr 14, 2:13 PM MDT | Winter Weather Advisory | PIH | 40 hr | |
| Apr 21, 4:37 PM MDT | River Flood Watch | OTX | Kootenai, Shoshone | 38 hr |
| Apr 21, 8:26 PM MDT | Severe Thunderstorm Warning | BOI | Adams | 49 min |
| Apr 22, 7:41 PM MDT | Severe Thunderstorm Warning | PIH | Blaine, Butte, Custer | 49 min |
| Apr 22, 8:11 PM MDT | Severe Thunderstorm Warning | PIH | Butte, Custer | 34 min |
| Apr 22, 8:44 PM MDT | Severe Thunderstorm Warning | PIH | Butte, Custer | 46 min |
| Apr 22, 9:28 PM MDT | Severe Thunderstorm Warning | PIH | Butte, Clark, Jefferson | 32 min |
| Apr 22, 9:53 PM MDT | Severe Thunderstorm Warning | PIH | Clark, Jefferson | 22 min |
| Apr 23, 3:47 PM MDT | Freeze Warning | OTX | Nez Perce | 18 hr |
| Apr 24, 10:37 AM MDT | River Flood Watch | PIH | Bingham | 24 hr |
| Apr 27, 2:23 PM MDT | Winter Weather Advisory | PIH | 34 hr | |
| Apr 27, 2:35 PM MDT | Winter Weather Advisory | MSO | Idaho, Lemhi | 39 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 | 7 |
| Flooding | |
| River Flood Watch | 2 |
| Winter | |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 4 |
| Winter Weather Advisory | 8 |
| Cold | |
| Freeze Warning | 1 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Owyhee County6
- Elmore County5
- Kootenai County4
- Shoshone County4
- Twin Falls County4
- Butte County4
- Benewah County3
- Latah County3
- Ada County3
- Adams County3
- Gem County3
- Washington County3
- Custer County3
- Bonner County2
- Boundary County2
- Nez Perce County2
- Clearwater County2
- Idaho County2
- Gooding County2
- Jerome County2
- Camas County2
- Valley County2
- Canyon County2
- Payette County2
- Lemhi County2
- Clark County2
- Jefferson County2
- Lewis County1
- Boise County1
- Bonneville County1
- Madison County1
- Teton County1
- Blaine County1
- Bingham County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.