Alert archive / Idaho / Gem County
Weather alerts in Gem County, Idaho, 2009
83 weather alerts in 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Gem County and its neighbors
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Alerts
- 83
- Warnings
- 18
- Watches
- 23
- Advisories
- 35
- Busiest month
- January13 alerts
- Busiest day
- August 30, 20095 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 | Lasted |
|---|---|---|---|
| Jan 3, 3:05 PM MST | Winter Storm Watch | BOI | 23 hr |
| Jan 4, 1:44 PM MST | Winter Storm Warning | BOI | 25 hr |
| Jan 4, 1:44 PM MST | Winter Weather Advisory | BOI | 30 hr |
| Jan 4, 11:04 PM MST | Mesoscale Discussion | SPC | 4 hr |
| Jan 5, 3:13 PM MST | Winter Weather Advisory | BOI | 26 hr |
| Jan 10, 10:04 AM MST | Winter Weather Advisory | BOI | 20 hr |
| Jan 13, 5:21 AM MST | Dense Fog Advisory | BOI | 10 hr |
| Jan 13, 3:08 PM MST | Dense Fog Advisory | BOI | 21 hr |
| Jan 14, 2:25 PM MST | Dense Fog Advisory | BOI | 22 hr |
| Jan 15, 2:47 PM MST | Dense Fog Advisory | BOI | 21 hr |
| Jan 16, 2:17 PM MST | Dense Fog Advisory | BOI | 22 hr |
| Jan 17, 2:33 PM MST | Dense Fog Advisory | BOI | 21 hr |
| Jan 23, 7:42 PM MST | Dense Fog Advisory | BOI | 6 hr |
| Feb 9, 5:48 AM MST | Dense Fog Advisory | BOI | 2 hr |
| Feb 10, 12:33 PM MST | Winter Weather Advisory | BOI | 22 hr |
| Feb 25, 3:10 PM MST | Wind Advisory | BOI | 27 hr |
| Mar 4, 10:33 AM MST | Winter Weather Advisory | BOI | 12 hr |
| Mar 4, 2:59 PM MST | Winter Storm Watch | BOI | 13 hr |
| Mar 5, 4:06 AM MST | Winter Weather Advisory | BOI | 34 hr |
| Mar 5, 6:03 PM MST | Winter Storm Warning | BOI | 13 hr |
| Mar 13, 4:17 AM MDT | Winter Storm Watch | BOI | 10 hr |
| Mar 13, 2:45 PM MDT | Winter Storm Warning | BOI | 3 days |
| Mar 16, 5:50 PM MDT | Winter Weather Advisory | BOI | 10 hr |
| Mar 23, 3:05 PM MDT | Winter Storm Watch | BOI | 23 hr |
| Mar 24, 2:09 PM MDT | Winter Storm Warning | BOI | 37 hr |
| Mar 28, 4:16 AM MDT | Wind Advisory | BOI | 44 hr |
| Mar 28, 3:41 PM MDT | Winter Weather Advisory | BOI | 22 hr |
| Mar 30, 3:26 PM MDT | Winter Weather Advisory | BOI | 31 hr |
| Apr 12, 8:33 AM MDT | Dense Fog Advisory | BOI | 2 hr |
| Apr 13, 2:51 PM MDT | High Wind Watch | BOI | 12 hr |
| Apr 14, 2:43 AM MDT | Wind Advisory | BOI | 42 hr |
| May 3, 12:00 PM MDT | Severe Thunderstorm Warning | BOI | 45 min |
| May 3, 12:40 PM MDT | Tornado Warning | BOI | 35 min |
| May 3, 1:37 PM MDT | Mesoscale Discussion | SPC | 113 min |
| May 3, 2:27 PM MDT | Severe Thunderstorm Warning | BOI | 48 min |
| May 12, 2:45 PM MDT | Freeze Warning | BOI | 16 hr |
| May 23, 3:00 AM MDT | Flash Flood Watch | BOI | 30 hr |
| Jun 2, 2:07 AM MDT | Flash Flood Watch | BOI | 22 hr |
| Jun 4, 2:09 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 4, 8:14 PM MDT | Flash Flood Watch | BOI | 34 hr |
| Jun 12, 9:59 AM MDT | Flash Flood Watch | BOI | 35 hr |
| Jun 14, 3:56 AM MDT | Flash Flood Watch | BOI | 20 hr |
| Jun 14, 9:04 AM MDT | Flash Flood Warning | BOI | 3 hr |
| Jun 15, 3:30 AM MDT | Flash Flood Watch | BOI | 18 hr |
| Jul 5, 5:25 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Jul 16, 3:02 PM MDT | Fire Weather Watch | BOI | 19 hr |
| Aug 3, 3:49 AM MDT | Fire Weather Watch | BOI | 22 hr |
| Aug 4, 4:45 AM MDT | Red Flag Warning | BOI | 21 hr |
| Aug 6, 8:15 AM MDT | Mesoscale Discussion | SPC | 90 min |
| Aug 6, 9:07 AM MDT | Severe Thunderstorm Warning | BOI | 48 min |
| Aug 6, 9:14 AM MDT | Flash Flood Watch | BOI | 18 hr |
| Aug 6, 12:04 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Aug 29, 7:39 PM MDT | Special Weather Statement | BOI | 51 min |
| Aug 29, 7:48 PM MDT | Severe Thunderstorm Warning | BOI | 42 min |
| Aug 29, 8:00 PM MDT | Severe Thunderstorm Warning | BOI | 14 min |
| Aug 30, 9:33 AM MDT | Flash Flood Watch | BOI | 10 hr |
| Aug 30, 11:57 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 4, 11:13 AM MDT | Fire Weather Watch | BOI | 3 hr |
| Sep 4, 2:37 PM MDT | Red Flag Warning | BOI | 30 hr |
| Sep 26, 3:07 PM MDT | Fire Weather Watch | BOI | 42 hr |
| Sep 30, 2:18 AM MDT | Freeze Watch | BOI | 13 hr |
| Sep 30, 3:08 PM MDT | Freeze Warning | BOI | 18 hr |
| Oct 1, 3:38 PM MDT | Winter Storm Watch | BOI | 35 hr |
| Oct 4, 8:14 AM MDT | Winter Weather Advisory | BOI | 22 hr |
| Oct 10, 3:08 PM MDT | Freeze Watch | BOI | 24 hr |
| Oct 11, 3:28 PM MDT | Freeze Warning | BOI | 18 hr |
| Oct 26, 3:06 PM MDT | Wind Advisory | BOI | 12 hr |
| Nov 16, 7:14 PM MST | Wind Advisory | BOI | 8 hr |
| Nov 21, 2:54 AM MST | Winter Storm Watch | BOI | 12 hr |
| Nov 21, 2:53 PM MST | Winter Weather Advisory | BOI | 23 hr |
| Dec 7, 4:04 AM MST | Winter Weather Advisory | BOI | 5 hr |
| Dec 11, 1:27 PM MST | Winter Weather Advisory | BOI | 46 hr |
| Dec 13, 3:39 AM MST | Dense Fog Advisory | BOI | 107 min |
| Dec 13, 1:55 PM MST | Winter Storm Watch | BOI | 24 hr |
| Dec 13, 5:37 PM MST | Dense Fog Advisory | BOI | 15 hr |
| Dec 14, 1:53 PM MST | Winter Storm Warning | BOI | 41 hr |
| Dec 14, 1:53 PM MST | Winter Weather Advisory | BOI | 32 hr |
| Dec 16, 7:52 PM MST | Dense Fog Advisory | BOI | 15 hr |
| Dec 17, 2:36 PM MST | Dense Fog Advisory | BOI | 15 hr |
| Dec 19, 3:01 AM MST | Dense Fog Advisory | BOI | 7 hr |
| Dec 21, 2:23 PM MST | Winter Weather Advisory | BOI | 23 hr |
| Dec 29, 2:20 AM MST | Winter Weather Advisory | BOI | 32 hr |
| Dec 31, 4:38 AM MST | Winter Storm Warning | BOI | 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 | |
| Severe Thunderstorm Warning | 5 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 1 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 8 |
| Winter | |
| Winter Storm Warning | 6 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 16 |
| Cold | |
| Freeze Warning | 3 |
| Freeze Watch | 2 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 5 |
| Fire | |
| Red Flag Warning | 2 |
| Fire Weather Watch | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 14 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe 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.