Alert archive / Idaho / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Idaho, 1999
39 severe thunderstorm warnings in 1999. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Severe Thunderstorm Warnings
- 39
- Busiest month
- June17 severe thunderstorm warnings
- Busiest day
- June 17, 19995 severe thunderstorm warnings
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 | Counties | Lasted |
|---|---|---|---|---|
| May 21, 4:29 PM MDT | Severe Thunderstorm Warning | PIH | Cassia | 46 min |
| Jun 7, 5:33 PM MDT | Severe Thunderstorm Warning | PIH | Bannock | 32 min |
| Jun 15, 6:14 PM MDT | Severe Thunderstorm Warning | BOI | Ada, Canyon | 46 min |
| Jun 15, 7:28 PM MDT | Severe Thunderstorm Warning | BOI | Ada | 32 min |
| Jun 16, 5:08 PM MDT | Severe Thunderstorm Warning | BOI | Owyhee | 62 min |
| Jun 16, 8:36 PM MDT | Severe Thunderstorm Warning | BOI | Ada, Elmore | 59 min |
| Jun 16, 8:36 PM MDT | Severe Thunderstorm Warning | BOI | Canyon | 59 min |
| Jun 16, 9:11 PM MDT | Severe Thunderstorm Warning | BOI | Ada, Canyon | 59 min |
| Jun 16, 9:11 PM MDT | Severe Thunderstorm Warning | BOI | Elmore | 59 min |
| Jun 17, 3:01 PM MDT | Severe Thunderstorm Warning | SLC | Franklin | 44 min |
| Jun 18, 5:04 PM MDT | Severe Thunderstorm Warning | PIH | Bannock, Bingham | 26 min |
| Jun 18, 5:33 PM MDT | Severe Thunderstorm Warning | PIH | Bannock, Power | 42 min |
| Jun 24, 5:26 PM MDT | Severe Thunderstorm Warning | OTX | Nez Perce | 49 min |
| Jun 24, 5:26 PM MDT | Severe Thunderstorm Warning | OTX | Lewis | 49 min |
| Jun 24, 5:53 PM MDT | Severe Thunderstorm Warning | MSO | Idaho | 52 min |
| Jun 24, 6:34 PM MDT | Severe Thunderstorm Warning | MSO | Idaho | 41 min |
| Jun 24, 7:16 PM MDT | Severe Thunderstorm Warning | MSO | Idaho | 44 min |
| Jun 24, 7:50 PM MDT | Severe Thunderstorm Warning | MSO | Idaho | 40 min |
| Jul 20, 6:24 PM MDT | Severe Thunderstorm Warning | MSO | Clearwater | 66 min |
| Jul 27, 2:51 PM MDT | Severe Thunderstorm Warning | PIH | Bannock | 44 min |
| Jul 29, 4:22 PM MDT | Severe Thunderstorm Warning | SLC | Bear Lake, Franklin | 53 min |
| Aug 7, 2:08 AM MDT | Severe Thunderstorm Warning | OTX | Kootenai | 82 min |
| Aug 7, 2:08 AM MDT | Severe Thunderstorm Warning | OTX | Kootenai | 23 hr |
| Aug 7, 3:36 PM MDT | Severe Thunderstorm Warning | MSO | Idaho | 54 min |
| Aug 7, 4:32 PM MDT | Severe Thunderstorm Warning | MSO | Clearwater | 58 min |
| Aug 11, 3:03 PM MDT | Severe Thunderstorm Warning | PIH | Clark, Jefferson | 47 min |
| Aug 11, 3:12 PM MDT | Severe Thunderstorm Warning | PIH | Cassia | 63 min |
| Aug 12, 4:49 PM MDT | Severe Thunderstorm Warning | BOI | Canyon, Owyhee, Payette | 61 min |
| Aug 13, 11:08 AM MDT | Severe Thunderstorm Warning | PIH | Custer | 47 min |
| Aug 13, 11:27 AM MDT | Severe Thunderstorm Warning | MSO | Lemhi | 33 min |
| Aug 13, 2:48 PM MDT | Severe Thunderstorm Warning | PIH | Custer | 47 min |
| Aug 13, 5:05 PM MDT | Severe Thunderstorm Warning | MSO | Idaho | 55 min |
| Aug 24, 3:19 PM MDT | Severe Thunderstorm Warning | MSO | Idaho | 56 min |
| Aug 30, 1:38 PM MDT | Severe Thunderstorm Warning | SLC | Franklin | 67 min |
| Aug 30, 8:10 PM MDT | Severe Thunderstorm Warning | PIH | Minidoka | 30 min |
| Aug 31, 1:38 AM MDT | Severe Thunderstorm Warning | SLC | Bear Lake, Franklin | 32 min |
| Sep 19, 1:39 PM MDT | Severe Thunderstorm Warning | PIH | Bannock | 31 min |
| Sep 19, 3:05 PM MDT | Severe Thunderstorm Warning | SLC | Franklin | 40 min |
| Sep 19, 3:45 PM MDT | Severe Thunderstorm Warning | SLC | Franklin | 30 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Idaho County7
- Franklin County6
- Bannock County5
- Ada County4
- Canyon County4
- Cassia County2
- Owyhee County2
- Elmore County2
- Clearwater County2
- Bear Lake County2
- Kootenai County2
- Custer County2
- Bingham County1
- Power County1
- Nez Perce County1
- Lewis County1
- Clark County1
- Jefferson County1
- Payette County1
- Lemhi County1
- Minidoka County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.