Alert archive / Idaho / Elmore County
Weather alerts in Elmore County, Idaho, 2013
95 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Elmore County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 95
- Warnings
- 26
- Watches
- 11
- Advisories
- 42
- Busiest month
- September21 alerts
- Busiest day
- September 13, 20136 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 1 tornado reports fell inside a warning.
Elmore County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 1 | 0% | |||
| Severe thunderstorm warnings | 6 | 0 | 100% | 2 | 0% | |
| Flash flood warnings | 1 | 0 | 100% | 1 | 0% |
Each office's whole area, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Boise, ID: tornado warnings | 0 | 2 | 0% | |||
| NWS Boise, ID: severe thunderstorm warnings | 33 | 11 | 67% | 33 | 58% | 24 min |
| NWS Boise, ID: flash flood warnings | 17 | 4 | 76% | 13 | 62% | 30 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 7, 12:46 PM MST | Winter Weather Advisory | BOI | 7 hr |
| Jan 8, 3:25 PM MST | Winter Weather Advisory | BOI | 50 hr |
| Jan 16, 11:02 PM MST | Dense Fog Advisory | BOI | 12 hr |
| Jan 17, 4:49 PM MST | Dense Fog Advisory | BOI | 18 hr |
| Jan 18, 2:40 PM MST | Dense Fog Advisory | BOI | 20 hr |
| Jan 19, 2:35 PM MST | Dense Fog Advisory | BOI | 20 hr |
| Jan 20, 10:39 AM MST | Dense Fog Advisory | BOI | 20 hr |
| Jan 21, 2:19 PM MST | Dense Fog Advisory | BOI | 21 hr |
| Jan 23, 1:02 PM MST | Winter Weather Advisory | BOI | 22 hr |
| Jan 24, 2:53 PM MST | Winter Weather Advisory | BOI | 33 hr |
| Jan 24, 2:57 PM MST | Dense Fog Advisory | BOI | 20 hr |
| Jan 26, 12:27 AM MST | Dense Fog Advisory | BOI | 13 hr |
| Jan 26, 1:13 PM MST | Dense Fog Advisory | BOI | 4 hr |
| Jan 27, 1:07 AM MST | Dense Fog Advisory | BOI | 9 hr |
| Jan 27, 1:57 PM MST | Winter Storm Warning | BOI | 51 hr |
| Jan 27, 1:57 PM MST | Winter Weather Advisory | BOI | 24 hr |
| Jan 27, 2:14 PM MST | Wind Advisory | BOI | 23 hr |
| Jan 28, 1:30 PM MST | Winter Weather Advisory | BOI | 28 hr |
| Feb 1, 6:41 AM MST | Dense Fog Advisory | BOI | 30 hr |
| Feb 2, 2:36 PM MST | Dense Fog Advisory | BOI | 20 hr |
| Feb 5, 8:44 AM MST | Dense Fog Advisory | BOI | 3 hr |
| Feb 6, 3:38 AM MST | Dense Fog Advisory | BOI | 8 hr |
| Feb 21, 12:10 PM MST | Winter Storm Watch | BOI | 16 hr |
| Feb 21, 1:47 PM MST | High Wind Watch | BOI | 15 hr |
| Feb 21, 1:47 PM MST | Wind Advisory | BOI | 51 hr |
| Feb 22, 3:44 AM MST | Winter Storm Warning | BOI | 31 hr |
| Feb 28, 10:29 PM MST | Dense Fog Advisory | BOI | 12 hr |
| Mar 1, 3:21 AM MST | Wind Advisory | BOI | 63 hr |
| Mar 1, 10:24 PM MST | Dense Fog Advisory | BOI | 13 hr |
| Mar 16, 4:06 AM MDT | Wind Advisory | BOI | 32 hr |
| Mar 20, 7:29 PM MDT | Severe Thunderstorm Warning | BOI | 46 min |
| Apr 8, 4:12 AM MDT | Wind Advisory | BOI | 17 hr |
| Apr 12, 12:04 PM MDT | Wind Advisory | BOI | 33 hr |
| Apr 28, 2:06 PM MDT | Wind Advisory | BOI | 29 hr |
| Apr 30, 1:51 PM MDT | Hard Freeze Warning | BOI | 18 hr |
| May 9, 5:27 PM MDT | Special Weather Statement | BOI | 63 min |
| May 12, 12:07 PM MDT | Wind Advisory | BOI | 35 hr |
| May 22, 1:25 PM MDT | Frost Advisory | BOI | 20 hr |
| May 22, 9:11 PM MDT | Freeze Warning | BOI | 12 hr |
| May 26, 2:52 PM MDT | Special Weather Statement | BOI | 38 min |
| Jun 18, 7:58 PM MDT | Blowing Dust Advisory | BOI | 3 hr |
| Jun 28, 1:28 PM MDT | Heat Advisory | BOI | 5 days |
| Jul 4, 2:11 PM MDT | Red Flag Warning | BOI | 31 hr |
| Jul 4, 6:44 PM MDT | Special Weather Statement | BOI | 46 min |
| Jul 4, 7:05 PM MDT | Severe Thunderstorm Warning | BOI | 40 min |
| Jul 15, 1:58 PM MDT | Red Flag Warning | BOI | 40 hr |
| Jul 19, 9:56 AM MDT | Red Flag Warning | BOI | 20 hr |
| Jul 22, 1:46 PM MDT | Fire Weather Watch | BOI | 23 hr |
| Jul 23, 12:54 PM MDT | Red Flag Warning | BOI | 29 hr |
| Jul 31, 11:43 AM MDT | Red Flag Warning | BOI | 34 hr |
| Aug 1, 7:21 PM MDT | Special Weather Statement | BOI | 39 min |
| Aug 7, 8:32 AM MDT | Red Flag Warning | BOI | 4 days |
| Aug 13, 2:56 PM MDT | Fire Weather Watch | BOI | 24 hr |
| Aug 14, 2:40 PM MDT | Red Flag Warning | BOI | 51 hr |
| Aug 18, 2:10 PM MDT | Fire Weather Watch | BOI | 23 hr |
| Aug 19, 12:47 PM MDT | Red Flag Warning | BOI | 4 days |
| Aug 20, 6:59 PM MDT | Red Flag Warning | BOI | 65 hr |
| Aug 22, 4:15 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 24, 2:55 PM MDT | Red Flag Warning | BOI | 8 hr |
| Aug 24, 3:52 PM MDT | Severe Thunderstorm Warning | BOI | 38 min |
| Aug 25, 3:12 AM MDT | Red Flag Warning | BOI | 18 hr |
| Aug 26, 8:53 AM MDT | Fire Weather Watch | BOI | 23 hr |
| Aug 27, 8:00 AM MDT | Red Flag Warning | BOI | 37 hr |
| Aug 27, 4:30 PM MDT | Special Weather Statement | BOI | 30 min |
| Aug 27, 4:57 PM MDT | Special Weather Statement | BOI | 48 min |
| Aug 27, 5:19 PM MDT | Severe Thunderstorm Warning | BOI | 26 min |
| Sep 1, 3:27 AM MDT | Flash Flood Watch | BOI | 69 hr |
| Sep 3, 2:09 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 4, 8:50 AM MDT | Flash Flood Watch | BOI | 36 hr |
| Sep 4, 2:48 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Sep 4, 4:27 PM MDT | Severe Thunderstorm Warning | BOI | 48 min |
| Sep 5, 1:06 PM MDT | Mesoscale Discussion | SPC | 54 min |
| Sep 5, 1:35 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 5, 5:01 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Sep 5, 5:05 PM MDT | Severe Thunderstorm Warning | BOI | 40 min |
| Sep 12, 6:32 PM MDT | Flash Flood Warning | BOI | 3 hr |
| Sep 12, 6:55 PM MDT | Areal Flood Advisory | BOI | 3 hr |
| Sep 12, 7:45 PM MDT | Areal Flood Advisory | BOI | 3 hr |
| Sep 13, 3:36 AM MDT | Flash Flood Watch | BOI | 19 hr |
| Sep 13, 2:37 PM MDT | Special Weather Statement | BOI | 83 min |
| Sep 13, 4:03 PM MDT | Areal Flood Advisory | BOI | 3 hr |
| Sep 14, 3:35 AM MDT | Flash Flood Watch | BOI | 18 hr |
| Sep 14, 1:25 PM MDT | Special Weather Statement | BOI | 35 min |
| Sep 14, 2:58 PM MDT | Special Weather Statement | BOI | 32 min |
| Sep 14, 3:13 PM MDT | Special Weather Statement | BOI | 47 min |
| Sep 20, 10:09 AM MDT | Red Flag Warning | BOI | 9 hr |
| Sep 21, 6:41 PM MDT | Special Weather Statement | BOI | 49 min |
| Oct 3, 1:33 PM MDT | Frost Advisory | BOI | 14 hr |
| Oct 4, 3:21 AM MDT | Freeze Warning | BOI | 30 hr |
| Nov 15, 2:44 AM MST | Winter Weather Advisory | BOI | 32 hr |
| Dec 5, 3:16 PM MST | Winter Weather Advisory | BOI | 56 hr |
| Dec 8, 3:14 PM MST | Wind Chill Warning | BOI | 20 hr |
| Dec 16, 1:42 AM MST | Dense Fog Advisory | BOI | 12 hr |
| Dec 16, 2:08 PM MST | Dense Fog Advisory | BOI | 45 hr |
| Dec 19, 2:58 PM MST | Winter Weather Advisory | BOI | 35 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 | 6 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 11 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 4 |
| Areal Flood Advisory | 3 |
| Winter | |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 1 |
| Winter Weather Advisory | 9 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 2 |
| Hard Freeze Warning | 1 |
| Wind Chill Warning | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Watch | 1 |
| Blowing Dust Advisory | 1 |
| Wind Advisory | 8 |
| Fire | |
| Red Flag Warning | 13 |
| Fire Weather Watch | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 18 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20122014
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.