Alert archive / Idaho / 2009
Weather alerts in Idaho, May 2009
53 weather alerts in May 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 May 2009. Tap one for its archive.
- Alerts
- 53
- Warnings
- 24
- Watches
- 8
- Advisories
- 15
- Busiest day
- May 19, 200911 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 |
|---|---|---|---|---|
| May 2, 8:48 AM MDT | Flash Flood Watch | PIH | 4 hr | |
| May 3, 12:00 PM MDT | Severe Thunderstorm Warning | BOI | Gem, Payette | 45 min |
| May 3, 12:40 PM MDT | Tornado Warning | BOI | Boise, Gem, Payette, Valley, Washington | 35 min |
| May 3, 1:37 PM MDT | Mesoscale Discussion | SPC | Ada, Adams, Bannock, Bear Lake, Bingham, Blaine and 28 more | 113 min |
| May 3, 1:40 PM MDT | Severe Thunderstorm Warning | BOI | Ada, Boise, Elmore | 35 min |
| May 3, 2:18 PM MDT | Severe Thunderstorm Warning | PIH | Power | 26 min |
| May 3, 2:27 PM MDT | Severe Thunderstorm Warning | BOI | Gem, Payette, Washington | 48 min |
| May 3, 3:37 PM MDT | Severe Thunderstorm Warning | PIH | Cassia, Minidoka | 34 min |
| May 5, 10:01 AM MDT | Wind Advisory | PIH | 9 hr | |
| May 6, 2:10 PM MDT | Wind Advisory | PIH | 6 hr | |
| May 7, 3:49 AM MDT | Wind Advisory | PIH | 17 hr | |
| May 7, 2:27 PM MDT | Freeze Warning | PIH | 19 hr | |
| May 8, 3:04 AM MDT | Freeze Watch | PIH | 11 hr | |
| May 8, 2:16 PM MDT | Freeze Warning | PIH | 19 hr | |
| May 9, 2:04 PM MDT | Freeze Warning | PIH | 18 hr | |
| May 11, 3:28 AM MDT | High Wind Watch | PIH | 24 hr | |
| May 11, 3:28 AM MDT | Wind Advisory | PIH | 17 hr | |
| May 11, 3:28 AM MDT | Wind Advisory | PIH | 43 hr | |
| May 11, 4:01 AM MDT | Wind Advisory | BOI | Ada, Elmore, Gooding, Jerome, Owyhee, Twin Falls | 41 hr |
| May 11, 2:41 PM MDT | Winter Weather Advisory | MSO | Idaho, Lemhi | 30 hr |
| May 11, 2:43 PM MDT | Freeze Watch | OTX | Benewah, Kootenai, Latah, Nez Perce | 25 hr |
| May 12, 3:57 AM MDT | High Wind Warning | PIH | 18 hr | |
| May 12, 2:11 PM MDT | Freeze Warning | PIH | 18 hr | |
| May 12, 2:45 PM MDT | Freeze Warning | BOI | Ada, Canyon, Elmore, Gem, Gooding, Jerome and 4 more | 16 hr |
| May 13, 1:25 PM MDT | Freeze Warning | PIH | 13 hr | |
| May 14, 6:20 AM MDT | Wind Advisory | MSO | Clearwater, Idaho | 5 hr |
| May 14, 4:18 PM MDT | Wind Advisory | PIH | 4 hr | |
| May 15, 2:00 AM MDT | Freeze Watch | PIH | 12 hr | |
| May 15, 2:18 PM MDT | Freeze Warning | PIH | 18 hr | |
| May 18, 7:07 PM MDT | Mesoscale Discussion | SPC | Clearwater, Idaho, Lewis, Nez Perce | 83 min |
| May 18, 8:43 PM MDT | Severe Thunderstorm Warning | MSO | Clearwater, Idaho | 22 min |
| May 18, 9:53 PM MDT | Severe Thunderstorm Warning | OTX | Nez Perce | 37 min |
| May 18, 10:11 PM MDT | Severe Thunderstorm Warning | OTX | Latah | 34 min |
| May 18, 10:17 PM MDT | Severe Thunderstorm Warning | OTX | Latah, Nez Perce | 32 min |
| May 18, 10:48 PM MDT | Severe Thunderstorm Warning | MSO | Clearwater | 27 min |
| May 19, 3:40 AM MDT | Lake Wind Advisory | PIH | 17 hr | |
| May 19, 4:10 AM MDT | Wind Advisory | MSO | Lemhi | 16 hr |
| May 19, 9:40 AM MDT | River Flood Watch | MSO | Idaho | 21 hr |
| May 19, 1:33 PM MDT | Wind Advisory | PIH | 7 hr | |
| May 19, 2:47 PM MDT | High Wind Warning | MSO | Lemhi | 6 hr |
| May 20, 3:34 AM MDT | Lake Wind Advisory | PIH | 5 hr | |
| May 20, 8:57 AM MDT | Wind Advisory | PIH | 12 hr | |
| May 20, 2:31 PM MDT | Freeze Warning | PIH | 17 hr | |
| May 20, 3:45 PM MDT | Freeze Warning | OTX | Bonner, Boundary, Kootenai | 17 hr |
| May 23, 3:00 AM MDT | Flash Flood Watch | BOI | Adams, Boise, Camas, Elmore, Gem, Valley and 1 more | 30 hr |
| May 23, 11:29 AM MDT | River Flood Watch | PIH | Fremont, Madison | 47 hr |
| May 23, 5:45 PM MDT | Areal Flood Advisory | MSO | Idaho | 4 hr |
| May 29, 2:43 PM MDT | Special Weather Statement | PIH | Cassia | 47 min |
| May 30, 4:05 PM MDT | Special Weather Statement | PIH | Minidoka | 40 min |
| May 30, 4:44 PM MDT | Severe Thunderstorm Warning | PIH | Bingham, Bonneville | 29 min |
| May 30, 5:14 PM MDT | Special Weather Statement | PIH | Bingham, Power | 46 min |
| May 31, 2:35 PM MDT | Severe Thunderstorm Warning | PIH | Blaine, Butte | 40 min |
| May 31, 3:19 PM MDT | Special Weather Statement | PIH | Power | 41 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 | 12 |
| Tornado Warning | 1 |
| Mesoscale Discussion | 2 |
| Special Weather Statement | 4 |
| Flooding | |
| Flash Flood Watch | 2 |
| River Flood Watch | 2 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Weather Advisory | 1 |
| Cold | |
| Freeze Warning | 9 |
| Freeze Watch | 3 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 1 |
| Lake Wind Advisory | 2 |
| Wind Advisory | 11 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Gem County6
- Idaho County6
- Payette County5
- Washington County5
- Elmore County5
- Boise County4
- Ada County4
- Lemhi County4
- Power County4
- Nez Perce County4
- Clearwater County4
- Valley County3
- Bingham County3
- Cassia County3
- Gooding County3
- Jerome County3
- Minidoka County3
- Owyhee County3
- Twin Falls County3
- Latah County3
- Adams County2
- Blaine County2
- Bonneville County2
- Butte County2
- Camas County2
- Canyon County2
- Fremont County2
- Madison County2
- Kootenai County2
- Bannock County1
- Bear Lake County1
- Caribou County1
- Clark County1
- Custer County1
- Franklin County1
- Jefferson County1
- Lincoln County1
- Oneida County1
- Teton County1
- Benewah County1
3 more counties
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. Rebuilt daily.