Alert archive / Idaho / Jerome County
Weather alerts in Jerome County, Idaho, 2013
86 weather alerts in 2013, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Jerome County and its neighbors
Each county as a circle sized by its count in 2013. Tap one for its archive.
- Alerts
- 86
- Warnings
- 37
- Watches
- 12
- Advisories
- 27
- Busiest month
- August23 alerts
- Busiest day
- September 5, 20137 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.
Jerome County, 2013
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 1 | 0% | |||
| Severe thunderstorm warnings | 7 | 3 | 57% | 3 | 67% | 11 min |
| Flash flood warnings | 1 | 1 | 0% | 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 8, 3:25 PM MST | Winter Weather Advisory | BOI | 50 hr |
| Jan 10, 5:53 PM MST | Blizzard Warning | BOI | 18 hr |
| Jan 23, 1:02 PM MST | Winter Weather Advisory | BOI | 22 hr |
| Jan 26, 8:25 PM MST | Winter Weather Advisory | BOI | 13 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 |
| Jan 29, 7:43 AM MST | Wind Advisory | BOI | 11 hr |
| Feb 6, 3:38 AM MST | Dense Fog Advisory | BOI | 8 hr |
| Feb 6, 2:48 PM MST | Winter Storm Watch | BOI | 22 hr |
| Feb 7, 1:01 PM MST | Winter Storm Warning | BOI | 38 hr |
| Feb 19, 3:25 AM MST | Winter Weather Advisory | BOI | 32 hr |
| Feb 21, 12:10 PM MST | Winter Storm Watch | BOI | 16 hr |
| Feb 21, 1:47 PM MST | Wind Advisory | BOI | 51 hr |
| Feb 22, 3:44 AM MST | Winter Storm Warning | BOI | 31 hr |
| Mar 1, 3:21 AM MST | Wind Advisory | BOI | 63 hr |
| Mar 15, 2:21 PM MDT | High Wind Watch | BOI | 14 hr |
| Mar 16, 4:06 AM MDT | High Wind Warning | BOI | 32 hr |
| Mar 17, 12:35 PM MDT | Wind Advisory | BOI | 5 hr |
| Mar 19, 2:03 PM MDT | Wind Advisory | BOI | 45 hr |
| Mar 20, 4:38 PM MDT | Special Weather Statement | BOI | 37 min |
| 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 12, 12:07 PM MDT | Wind Advisory | BOI | 35 hr |
| May 22, 1:25 PM MDT | Frost Advisory | BOI | 20 hr |
| 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, 7:41 PM MDT | Special Weather Statement | BOI | 49 min |
| Jul 4, 7:56 PM MDT | Severe Thunderstorm Warning | BOI | 34 min |
| Jul 5, 3:32 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 6, 3:17 PM MDT | Severe Thunderstorm Warning | BOI | 43 min |
| Jul 15, 1:16 PM MDT | Fire Weather Watch | PIH | 15 hr |
| Jul 15, 1:58 PM MDT | Red Flag Warning | BOI | 40 hr |
| Jul 16, 4:07 AM MDT | Red Flag Warning | PIH | 17 hr |
| Jul 21, 2:18 PM MDT | Red Flag Warning | PIH | 7 hr |
| Jul 22, 3:51 AM MDT | Red Flag Warning | PIH | 17 hr |
| Jul 30, 3:06 AM MDT | Red Flag Warning | PIH | 18 hr |
| Jul 31, 2:14 AM MDT | Red Flag Warning | PIH | 25 hr |
| Jul 31, 11:43 AM MDT | Red Flag Warning | BOI | 34 hr |
| Jul 31, 11:42 PM MDT | Red Flag Warning | PIH | 3 hr |
| Aug 1, 2:57 AM MDT | Red Flag Warning | PIH | 19 hr |
| Aug 1, 8:49 PM MDT | Special Weather Statement | BOI | 56 min |
| Aug 4, 2:07 PM MDT | Fire Weather Watch | PIH | 14 hr |
| Aug 5, 4:15 AM MDT | Red Flag Warning | PIH | 18 hr |
| Aug 7, 2:07 PM MDT | Red Flag Warning | PIH | 31 hr |
| Aug 8, 3:14 AM MDT | Fire Weather Watch | PIH | 25 hr |
| Aug 18, 2:10 PM MDT | Fire Weather Watch | BOI | 23 hr |
| Aug 18, 8:08 PM MDT | Fire Weather Watch | PIH | 25 hr |
| Aug 19, 12:47 PM MDT | Red Flag Warning | BOI | 4 days |
| Aug 19, 9:13 PM MDT | Red Flag Warning | PIH | 3 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, 3:19 AM MDT | Red Flag Warning | PIH | 19 hr |
| Aug 24, 2:09 PM MDT | Mesoscale Discussion | SPC | 66 min |
| Aug 24, 2:55 PM MDT | Red Flag Warning | BOI | 8 hr |
| Aug 24, 3:12 PM MDT | Severe Thunderstorm Warning | BOI | 48 min |
| Aug 25, 3:12 AM MDT | Red Flag Warning | BOI | 18 hr |
| Aug 25, 3:34 AM MDT | Red Flag Warning | PIH | 19 hr |
| Aug 26, 3:01 AM MDT | Fire Weather Watch | PIH | 11 hr |
| Aug 26, 8:53 AM MDT | Fire Weather Watch | BOI | 23 hr |
| Aug 26, 2:14 PM MDT | Red Flag Warning | PIH | 55 hr |
| Aug 27, 8:00 AM MDT | Red Flag Warning | BOI | 37 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, 6:05 PM MDT | Flash Flood Warning | BOI | 85 min |
| Sep 4, 6:18 PM MDT | Severe Thunderstorm Warning | BOI | 57 min |
| Sep 5, 1:35 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Sep 5, 4:44 PM MDT | Severe Thunderstorm Warning | BOI | 46 min |
| Sep 5, 5:23 PM MDT | Severe Thunderstorm Warning | BOI | 37 min |
| Sep 5, 5:55 PM MDT | Severe Thunderstorm Warning | BOI | 50 min |
| Sep 5, 5:59 PM MDT | Areal Flood Advisory | BOI | 3 hr |
| Sep 5, 6:34 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Sep 12, 4:27 PM MDT | Areal Flood Advisory | BOI | 3 hr |
| Sep 20, 10:09 AM MDT | Red Flag Warning | BOI | 9 hr |
| Sep 21, 8:00 PM MDT | Special Weather Statement | BOI | 60 min |
| Sep 27, 1:29 AM MDT | Dense Fog Advisory | BOI | 6 hr |
| Oct 3, 1:33 PM MDT | Freeze Warning | BOI | 14 hr |
| Oct 4, 3:21 AM MDT | Freeze Warning | BOI | 30 hr |
| Nov 16, 3:01 AM MST | Wind Advisory | BOI | 14 hr |
| Dec 5, 3:16 PM MST | Winter Weather Advisory | BOI | 56 hr |
| Dec 18, 10:53 PM MST | Dense Fog Advisory | BOI | 4 hr |
| Dec 19, 6:27 AM MST | Dense Fog Advisory | BOI | 4 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 | 7 |
| Severe Thunderstorm Watch | 1 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 4 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 2 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 2 |
| Winter Storm Watch | 2 |
| Winter Weather Advisory | 8 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 2 |
| Hard Freeze Warning | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 1 |
| High Wind Watch | 1 |
| Blowing Dust Advisory | 1 |
| Wind Advisory | 10 |
| Fire | |
| Red Flag Warning | 22 |
| Fire Weather Watch | 7 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
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.