Alert archive / Idaho / 2011
Weather alerts in Idaho, September 2011
30 weather alerts in September 2011, 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 September 2011. Tap one for its archive.
- Alerts
- 30
- Warnings
- 13
- Watches
- 4
- Advisories
- 3
- Busiest day
- September 12, 20117 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 |
|---|---|---|---|---|
| Sep 4, 2:32 PM MDT | Red Flag Warning | PIH | Butte, Custer, Idaho, Lemhi, Valley | 31 hr |
| Sep 5, 9:04 AM MDT | Red Flag Warning | BOI | Boise, Gem, Valley | 12 hr |
| Sep 5, 2:29 PM MDT | Red Flag Warning | PIH | 7 hr | |
| Sep 6, 3:21 AM MDT | Red Flag Warning | PIH | Butte, Custer, Idaho, Lemhi, Valley | 67 hr |
| Sep 8, 6:08 PM MDT | Special Weather Statement | BOI | Boise | 37 min |
| Sep 9, 2:01 PM MDT | Fire Weather Watch | PIH | Bannock, Bear Lake, Bingham, Bonneville, Butte, Caribou and 9 more | 24 hr |
| Sep 10, 2:05 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Bonneville, Butte, Caribou and 12 more | 55 hr |
| Sep 10, 2:44 PM MDT | Fire Weather Watch | BOI | 19 hr | |
| Sep 10, 6:51 PM MDT | Severe Thunderstorm Warning | BOI | Adams, Valley | 24 min |
| Sep 11, 10:11 AM MDT | Red Flag Warning | BOI | 13 hr | |
| Sep 11, 4:13 PM MDT | Special Weather Statement | PIH | Bannock | 47 min |
| Sep 12, 10:36 AM MDT | Red Flag Warning | BOI | Boise, Gem, Valley | 10 hr |
| Sep 12, 1:39 PM MDT | Special Weather Statement | PIH | Bonneville | 66 min |
| Sep 12, 1:43 PM MDT | Special Weather Statement | PIH | Camas | 62 min |
| Sep 12, 2:45 PM MDT | Special Weather Statement | PIH | Bannock | 45 min |
| Sep 12, 2:47 PM MDT | Special Weather Statement | PIH | Power | 43 min |
| Sep 12, 3:09 PM MDT | Special Weather Statement | PIH | Bannock | 51 min |
| Sep 12, 4:00 PM MDT | Flash Flood Warning | PIH | Bannock | 105 min |
| Sep 13, 7:06 PM MDT | Special Weather Statement | BOI | Boise | 54 min |
| Sep 13, 7:23 PM MDT | Special Weather Statement | BOI | Boise | 37 min |
| Sep 14, 3:26 AM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Bonneville, Butte, Caribou and 9 more | 18 hr |
| Sep 15, 11:28 PM MDT | Special Weather Statement | PIH | Cassia, Minidoka | 62 min |
| Sep 16, 4:15 PM MDT | Flash Flood Warning | PIH | Clark | 3 hr |
| Sep 17, 12:34 AM MDT | Lake Wind Advisory | PIH | 19 hr | |
| Sep 18, 2:13 PM MDT | Lake Wind Advisory | PIH | 30 hr | |
| Sep 19, 4:12 AM MDT | Wind Advisory | PIH | 16 hr | |
| Sep 24, 1:43 PM MDT | Fire Weather Watch | PIH | Butte, Custer, Idaho, Lemhi, Valley | 15 hr |
| Sep 25, 4:46 AM MDT | Red Flag Warning | PIH | Butte, Custer, Idaho, Lemhi, Valley | 16 hr |
| Sep 27, 5:35 PM MDT | Flash Flood Warning | OTX | Bonner | 65 min |
| Sep 30, 2:16 PM MDT | Fire Weather Watch | PIH | Bannock, Bear Lake, Bonneville, Caribou, Clark, Franklin and 6 more | 12 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 | 1 |
| Special Weather Statement | 10 |
| Flooding | |
| Flash Flood Warning | 3 |
| Wind and dust | |
| Lake Wind Advisory | 2 |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 9 |
| Fire Weather Watch | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lemhi County8
- Valley County8
- Bannock County8
- Butte County7
- Custer County5
- Idaho County5
- Boise County5
- Bonneville County5
- Clark County5
- Power County5
- Bear Lake County4
- Caribou County4
- Franklin County4
- Fremont County4
- Madison County4
- Oneida County4
- Teton County4
- Bingham County3
- Jefferson County3
- Gem County2
- Adams County1
- Camas County1
- Cassia County1
- Minidoka County1
- Bonner County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.