Alert archive / Idaho / 2009
Weather alerts in Idaho, December 2009
66 weather alerts in December 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 December 2009. Tap one for its archive.
- Alerts
- 66
- Warnings
- 11
- Watches
- 12
- Advisories
- 39
- Busiest day
- December 14, 200912 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 |
|---|---|---|---|---|
| Dec 2, 8:59 PM MST | Dense Fog Advisory | OTX | Benewah, Latah | 10 hr |
| Dec 4, 2:05 PM MST | Wind Chill Advisory | MSO | Lemhi | 69 hr |
| Dec 5, 3:58 AM MST | Wind Chill Watch | OTX | Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone | 36 hr |
| Dec 5, 8:06 AM MST | Special Weather Statement | PIH | Bannock, Lincoln, Minidoka, Power | 3 hr |
| Dec 6, 3:01 AM MST | Wind Chill Warning | BOI | Camas, Elmore | 25 hr |
| Dec 6, 3:21 AM MST | Wind Chill Watch | PIH | 11 hr | |
| Dec 6, 3:59 AM MST | Wind Advisory | OTX | Benewah, Bonner, Boundary, Kootenai, Latah | 16 hr |
| Dec 6, 2:07 PM MST | Wind Chill Warning | PIH | 22 hr | |
| Dec 7, 4:04 AM MST | Winter Weather Advisory | BOI | Ada, Canyon, Elmore, Gem, Owyhee, Payette and 1 more | 5 hr |
| Dec 7, 7:47 PM MST | Special Weather Statement | PIH | Bannock, Bear Lake, Bingham, Caribou, Cassia, Franklin and 3 more | 3 hr |
| Dec 9, 3:38 AM MST | Winter Weather Advisory | PIH | 16 hr | |
| Dec 9, 2:22 PM MST | Wind Chill Warning | PIH | 12 hr | |
| Dec 11, 4:23 AM MST | Winter Storm Watch | OTX | Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone | 11 hr |
| Dec 11, 4:27 AM MST | Winter Storm Watch | MSO | Clearwater, Idaho | 24 hr |
| Dec 11, 1:27 PM MST | Winter Weather Advisory | BOI | Ada, Adams, Boise, Camas, Canyon, Elmore and 8 more | 46 hr |
| Dec 11, 1:30 PM MST | Winter Storm Warning | MSO | Clearwater, Idaho | 3 days |
| Dec 11, 1:42 PM MST | Winter Storm Watch | PIH | 14 hr | |
| Dec 11, 3:29 PM MST | Winter Storm Warning | OTX | Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone | 44 hr |
| Dec 11, 3:29 PM MST | Winter Weather Advisory | OTX | Bonner, Boundary, Kootenai | 24 hr |
| Dec 12, 3:37 AM MST | Winter Storm Warning | PIH | 37 hr | |
| Dec 12, 3:37 AM MST | Winter Weather Advisory | PIH | 33 hr | |
| Dec 12, 4:06 AM MST | Winter Storm Watch | MSO | Clearwater, Idaho | 7 hr |
| Dec 12, 4:06 AM MST | Winter Weather Advisory | MSO | Idaho | 34 hr |
| Dec 12, 9:42 PM MST | Winter Weather Advisory | OTX | Benewah, Kootenai, Latah, Shoshone | 7 hr |
| Dec 13, 3:39 AM MST | Dense Fog Advisory | BOI | Ada, Canyon, Elmore, Gem, Owyhee, Payette and 1 more | 107 min |
| Dec 13, 1:55 PM MST | Winter Storm Watch | BOI | Adams, Boise, Camas, Elmore, Gem, Owyhee and 2 more | 24 hr |
| Dec 13, 3:30 PM MST | Winter Storm Watch | OTX | Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone | 14 hr |
| Dec 13, 5:37 PM MST | Dense Fog Advisory | BOI | Ada, Canyon, Elmore, Gem, Owyhee, Payette and 1 more | 15 hr |
| Dec 13, 8:11 PM MST | Special Weather Statement | PIH | Power | 109 min |
| Dec 13, 9:17 PM MST | Flood Watch | MSO | Lemhi | 13 hr |
| Dec 14, 3:49 AM MST | Winter Storm Watch | PIH | 11 hr | |
| Dec 14, 5:48 AM MST | Winter Storm Warning | OTX | Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone | 47 hr |
| Dec 14, 5:48 AM MST | Winter Weather Advisory | OTX | Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone | 47 hr |
| Dec 14, 1:53 PM MST | Winter Storm Warning | BOI | Adams, Boise, Camas, Canyon, Elmore, Gem and 4 more | 41 hr |
| Dec 14, 1:53 PM MST | Winter Weather Advisory | BOI | Ada, Camas, Canyon, Elmore, Gem, Gooding and 5 more | 32 hr |
| Dec 14, 2:38 PM MST | Winter Storm Watch | PIH | 13 hr | |
| Dec 14, 2:38 PM MST | Winter Storm Warning | PIH | 60 hr | |
| Dec 14, 2:38 PM MST | Winter Weather Advisory | PIH | 44 hr | |
| Dec 14, 2:53 PM MST | Winter Weather Advisory | MSO | Clearwater, Idaho | 24 hr |
| Dec 15, 9:21 PM MST | Areal Flood Advisory | OTX | Kootenai | 16 hr |
| Dec 16, 5:02 AM MST | Freezing Rain Advisory | OTX | Bonner, Boundary, Kootenai | 8 hr |
| Dec 16, 2:00 PM MST | Winter Weather Advisory | MSO | Idaho | 21 hr |
| Dec 16, 7:52 PM MST | Dense Fog Advisory | BOI | Canyon, Gem, Owyhee, Payette, Washington | 15 hr |
| Dec 17, 2:36 PM MST | Dense Fog Advisory | BOI | Ada, Adams, Canyon, Elmore, Gem, Owyhee and 2 more | 15 hr |
| Dec 17, 7:55 PM MST | Freezing Fog Advisory | PIH | 12 hr | |
| Dec 19, 3:01 AM MST | Dense Fog Advisory | BOI | Ada, Canyon, Elmore, Gem, Owyhee, Payette and 1 more | 7 hr |
| Dec 20, 2:12 PM MST | Winter Storm Watch | PIH | 21 hr | |
| Dec 20, 2:12 PM MST | Winter Weather Advisory | PIH | 21 hr | |
| Dec 21, 11:22 AM MST | Winter Storm Warning | PIH | 29 hr | |
| Dec 21, 11:22 AM MST | Winter Weather Advisory | PIH | 33 hr | |
| Dec 21, 2:03 PM MST | Areal Flood Advisory | OTX | Bonner, Boundary | 7 hr |
| Dec 21, 2:23 PM MST | Winter Weather Advisory | BOI | Ada, Adams, Boise, Camas, Canyon, Elmore and 7 more | 23 hr |
| Dec 21, 7:50 PM MST | Special Weather Statement | PIH | Oneida | 3 hr |
| Dec 21, 9:34 PM MST | Areal Flood Advisory | OTX | Bonner, Boundary | 6 hr |
| Dec 22, 2:26 AM MST | Winter Weather Advisory | MSO | Clearwater, Idaho | 8 hr |
| Dec 22, 4:02 AM MST | Winter Weather Advisory | OTX | Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone | 7 hr |
| Dec 23, 4:18 PM MST | Air Stagnation Advisory | OTX | Benewah, Bonner, Boundary, Kootenai, Latah, Lewis and 2 more | 7 days |
| Dec 29, 2:20 AM MST | Winter Weather Advisory | BOI | Ada, Canyon, Elmore, Gem, Gooding, Jerome and 4 more | 32 hr |
| Dec 29, 3:36 AM MST | Winter Weather Advisory | MSO | Clearwater, Idaho | 35 hr |
| Dec 29, 3:38 AM MST | Winter Weather Advisory | PIH | 32 hr | |
| Dec 29, 5:14 AM MST | Winter Weather Advisory | OTX | Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone | 30 hr |
| Dec 29, 4:30 PM MST | Areal Flood Advisory | MSO | Lemhi | 18 hr |
| Dec 30, 1:33 PM MST | Winter Weather Advisory | BOI | Adams, Owyhee, Washington | 33 hr |
| Dec 30, 2:47 PM MST | Winter Weather Advisory | MSO | Clearwater, Idaho | 41 hr |
| Dec 30, 5:00 PM MST | Areal Flood Advisory | MSO | Lemhi | 19 hr |
| Dec 31, 4:38 AM MST | Winter Storm Warning | BOI | Adams, Canyon, Gem, Owyhee, Payette, Washington | 18 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 | |
| Special Weather Statement | 4 |
| Flooding | |
| Flood Watch | 1 |
| Areal Flood Advisory | 5 |
| Winter | |
| Winter Storm Warning | 8 |
| Winter Storm Watch | 9 |
| Freezing Rain Advisory | 1 |
| Winter Weather Advisory | 23 |
| Cold | |
| Wind Chill Warning | 3 |
| Wind Chill Watch | 2 |
| Wind Chill Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Air Stagnation Advisory | 1 |
| Dense Fog Advisory | 6 |
| Freezing Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kootenai County14
- Owyhee County14
- Washington County14
- Gem County13
- Benewah County12
- Latah County12
- Elmore County12
- Canyon County12
- Payette County12
- Bonner County10
- Boundary County10
- Shoshone County10
- Ada County9
- Idaho County9
- Clearwater County7
- Adams County7
- Camas County6
- Lewis County5
- Nez Perce County5
- Lemhi County4
- Boise County4
- Gooding County4
- Jerome County4
- Twin Falls County4
- Power County3
- Valley County3
- Bannock County2
- Minidoka County2
- Oneida County2
- Lincoln County1
- Bear Lake County1
- Bingham County1
- Caribou County1
- Cassia County1
- Franklin 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.