Alert archive / Montana / Lake County
Weather alerts in Lake County, Montana, 2016
133 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Lake County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 133
- Warnings
- 16
- Watches
- 7
- Advisories
- 82
- Busiest month
- December24 alerts
- Busiest day
- June 8, 20164 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Lake County, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 3 | 2 | 33% | 1 | 100% | 13 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Missoula, MT: severe thunderstorm warnings | 19 | 14 | 26% | 41 | 46% | 12 min |
| NWS Missoula, MT: flash flood warnings | 1 | 0 | 100% | 0 |
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 5, 2:08 PM MST | Winter Weather Advisory | MSO | 69 hr |
| Jan 12, 2:16 PM MST | Winter Weather Advisory | MSO | 67 hr |
| Jan 14, 10:19 AM MST | Winter Storm Warning | MSO | 7 hr |
| Jan 15, 12:19 PM MST | Winter Weather Advisory | MSO | 47 hr |
| Jan 17, 2:14 PM MST | Freezing Rain Advisory | MSO | 19 hr |
| Jan 19, 4:22 AM MST | Winter Weather Advisory | MSO | 34 hr |
| Jan 23, 1:23 PM MST | Winter Weather Advisory | MSO | 21 hr |
| Jan 27, 4:58 AM MST | Freezing Rain Advisory | MSO | 4 hr |
| Jan 28, 5:22 AM MST | Dense Fog Advisory | MSO | 4 hr |
| Jan 29, 4:54 AM MST | Winter Weather Advisory | MSO | 28 hr |
| Jan 30, 10:34 AM MST | Winter Weather Advisory | MSO | 33 hr |
| Jan 31, 8:35 PM MST | Winter Weather Advisory | MSO | 49 hr |
| Feb 3, 4:16 AM MST | Winter Weather Advisory | MSO | 40 hr |
| Feb 5, 2:24 PM MST | Winter Weather Advisory | MSO | 31 hr |
| Feb 10, 6:23 AM MST | Freezing Fog Advisory | MSO | 5 hr |
| Feb 12, 6:35 PM MST | Dense Fog Advisory | MSO | 4 hr |
| Feb 13, 2:16 PM MST | Winter Weather Advisory | MSO | 46 hr |
| Feb 18, 9:56 AM MST | Winter Weather Advisory | MSO | 23 hr |
| Feb 19, 12:20 PM MST | Winter Weather Advisory | MSO | 28 hr |
| Feb 28, 11:52 AM MST | Winter Weather Advisory | MSO | 21 hr |
| Mar 1, 10:35 AM MST | Winter Weather Advisory | MSO | 24 hr |
| Mar 1, 10:46 AM MST | Wind Advisory | MSO | 21 hr |
| Mar 10, 2:12 PM MST | Wind Advisory | MSO | 5 hr |
| Mar 12, 12:02 PM MST | Winter Weather Advisory | MSO | 17 hr |
| Mar 13, 2:09 PM MDT | Winter Weather Advisory | MSO | 22 hr |
| Mar 14, 2:18 PM MDT | Winter Weather Advisory | MSO | 22 hr |
| Mar 16, 1:14 PM MDT | Winter Weather Advisory | MSO | 31 hr |
| Mar 17, 7:33 AM MDT | Winter Storm Warning | MSO | 3 hr |
| Mar 21, 1:35 PM MDT | Winter Weather Advisory | MSO | 38 hr |
| Mar 24, 2:36 PM MDT | Winter Weather Advisory | MSO | 28 hr |
| Mar 27, 9:14 PM MDT | Winter Weather Advisory | MSO | 41 hr |
| Mar 28, 9:57 AM MDT | High Wind Watch | MSO | 5 hr |
| Mar 28, 3:19 PM MDT | Wind Advisory | MSO | 29 hr |
| Apr 3, 8:50 PM MDT | Lake Wind Advisory | MSO | 24 hr |
| Apr 3, 8:50 PM MDT | Wind Advisory | MSO | 24 hr |
| Apr 4, 2:10 PM MDT | Winter Weather Advisory | MSO | 20 hr |
| Apr 14, 12:43 PM MDT | Winter Weather Advisory | MSO | 29 hr |
| Apr 22, 6:35 PM MDT | Special Weather Statement | MSO | 40 min |
| Apr 22, 7:58 PM MDT | Special Weather Statement | MSO | 47 min |
| May 9, 8:25 AM MDT | Lake Wind Advisory | MSO | 9 hr |
| May 12, 10:30 AM MDT | Lake Wind Advisory | MSO | 20 hr |
| May 21, 12:57 PM MDT | Winter Weather Advisory | MSO | 47 hr |
| May 22, 4:08 AM MDT | Lake Wind Advisory | MSO | 17 hr |
| May 23, 9:16 AM MDT | Areal Flood Advisory | MSO | 24 hr |
| May 26, 2:29 PM MDT | Special Weather Statement | MSO | 46 min |
| May 29, 2:28 PM MDT | Special Weather Statement | MSO | 47 min |
| Jun 7, 4:17 PM MDT | Special Weather Statement | MSO | 28 min |
| Jun 8, 2:16 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 3:07 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 8, 5:22 PM MDT | Special Weather Statement | MSO | 23 min |
| Jun 8, 5:48 PM MDT | Mesoscale Discussion | SPC | 57 min |
| Jun 8, 6:11 PM MDT | Special Weather Statement | MSO | 64 min |
| Jun 8, 6:22 PM MDT | Severe Thunderstorm Warning | MSO | 24 min |
| Jun 8, 6:44 PM MDT | Severe Thunderstorm Warning | MSO | 28 min |
| Jun 17, 2:16 PM MDT | Lake Wind Advisory | MSO | 29 hr |
| Jun 24, 11:00 AM MDT | Winter Weather Advisory | MSO | 22 hr |
| Jun 24, 4:49 PM MDT | Special Weather Statement | MSO | 26 min |
| Jun 28, 1:38 AM MDT | Special Weather Statement | MSO | 67 min |
| Jul 3, 1:43 PM MDT | Lake Wind Advisory | MSO | 7 hr |
| Jul 6, 3:35 PM MDT | Special Weather Statement | MSO | 40 min |
| Jul 13, 11:54 AM MDT | Special Weather Statement | MSO | 36 min |
| Jul 13, 12:34 PM MDT | Special Weather Statement | MSO | 26 min |
| Jul 17, 9:27 PM MDT | Severe Thunderstorm Warning | MSO | 33 min |
| Jul 18, 4:01 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jul 18, 6:47 PM MDT | Special Weather Statement | MSO | 28 min |
| Jul 18, 7:10 PM MDT | Special Weather Statement | MSO | 35 min |
| Jul 22, 8:24 AM MDT | Lake Wind Advisory | MSO | 13 hr |
| Jul 22, 7:55 PM MDT | Special Weather Statement | MSO | 35 min |
| Jul 26, 2:37 PM MDT | Special Weather Statement | MSO | 23 min |
| Jul 26, 2:57 PM MDT | Special Weather Statement | MSO | 33 min |
| Aug 1, 12:35 PM MDT | Red Flag Warning | MSO | 35 hr |
| Aug 1, 2:29 PM MDT | Lake Wind Advisory | MSO | 31 hr |
| Aug 3, 3:45 AM MDT | Lake Wind Advisory | MSO | 8 hr |
| Aug 5, 7:31 PM MDT | Special Weather Statement | MSO | 29 min |
| Aug 6, 2:01 PM MDT | Flash Flood Watch | MSO | 30 hr |
| Aug 6, 5:18 PM MDT | Special Weather Statement | MSO | 42 min |
| Aug 7, 1:52 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 7, 5:13 PM MDT | Special Weather Statement | MSO | 32 min |
| Aug 17, 2:13 PM MDT | Wind Advisory | MSO | 40 hr |
| Aug 18, 10:36 AM MDT | High Wind Warning | MSO | 19 hr |
| Aug 21, 11:02 AM MDT | Red Flag Warning | MSO | 34 hr |
| Aug 22, 8:14 AM MDT | Lake Wind Advisory | MSO | 10 hr |
| Aug 29, 5:24 PM MDT | Special Weather Statement | MSO | 51 min |
| Aug 29, 6:15 PM MDT | Special Weather Statement | MSO | 30 min |
| Aug 30, 8:48 AM MDT | Red Flag Warning | MSO | 10 hr |
| Sep 2, 12:51 PM MDT | Winter Weather Advisory | MSO | 71 hr |
| Sep 8, 9:23 AM MDT | Lake Wind Advisory | MSO | 11 hr |
| Sep 10, 2:16 PM MDT | Wind Advisory | MSO | 38 hr |
| Sep 10, 2:16 PM MDT | Winter Weather Advisory | MSO | 42 hr |
| Sep 12, 2:17 PM MDT | Freeze Warning | MSO | 19 hr |
| Oct 1, 2:06 PM MDT | Special Weather Statement | MSO | 24 min |
| Oct 1, 2:23 PM MDT | Special Weather Statement | MSO | 67 min |
| Oct 4, 2:08 PM MDT | Winter Weather Advisory | MSO | 22 hr |
| Oct 8, 1:55 PM MDT | Winter Storm Watch | MSO | 24 hr |
| Oct 9, 3:36 AM MDT | Winter Storm Warning | MSO | 41 hr |
| Oct 9, 2:05 PM MDT | Winter Weather Advisory | MSO | 27 hr |
| Oct 10, 6:45 AM MDT | Lake Wind Advisory | MSO | 7 hr |
| Oct 10, 10:37 PM MDT | Winter Weather Advisory | MSO | 13 hr |
| Oct 14, 10:41 AM MDT | Lake Wind Advisory | MSO | 7 hr |
| Oct 27, 6:02 AM MDT | Dense Fog Advisory | MSO | 4 hr |
| Oct 30, 8:47 PM MDT | Winter Weather Advisory | MSO | 12 hr |
| Nov 9, 7:19 AM MST | Dense Fog Advisory | MSO | 5 hr |
| Nov 10, 7:07 AM MST | Dense Fog Advisory | MSO | 5 hr |
| Nov 10, 9:28 PM MST | Dense Fog Advisory | MSO | 16 hr |
| Nov 11, 6:13 PM MST | Dense Fog Advisory | MSO | 17 hr |
| Nov 15, 11:12 AM MST | Winter Weather Advisory | MSO | 22 hr |
| Nov 15, 12:39 PM MST | Lake Wind Advisory | MSO | 9 hr |
| Nov 19, 1:03 PM MST | Winter Weather Advisory | MSO | 13 hr |
| Nov 29, 1:12 PM MST | Winter Weather Advisory | MSO | 62 hr |
| Dec 2, 2:43 PM MST | Winter Storm Watch | MSO | 43 hr |
| Dec 2, 2:43 PM MST | Winter Weather Advisory | MSO | 20 hr |
| Dec 3, 2:19 PM MST | Winter Storm Warning | MSO | 45 hr |
| Dec 3, 2:19 PM MST | Winter Weather Advisory | MSO | 45 hr |
| Dec 5, 2:21 PM MST | Wind Chill Advisory | MSO | 46 hr |
| Dec 6, 1:00 PM MST | Winter Weather Advisory | MSO | 28 hr |
| Dec 9, 12:08 PM MST | Winter Weather Advisory | MSO | 23 hr |
| Dec 10, 2:34 PM MST | Winter Storm Watch | MSO | 26 hr |
| Dec 11, 9:44 AM MST | Winter Storm Warning | MSO | 34 hr |
| Dec 11, 2:00 PM MST | Winter Weather Advisory | MSO | 24 hr |
| Dec 12, 9:04 PM MST | Winter Weather Advisory | MSO | 12 hr |
| Dec 14, 3:24 AM MST | Winter Weather Advisory | MSO | 3 days |
| Dec 15, 5:58 AM MST | Winter Storm Warning | MSO | 5 hr |
| Dec 16, 4:51 PM MST | Wind Chill Advisory | MSO | 15 hr |
| Dec 17, 8:00 AM MST | Lake Effect Snow Advisory | MSO | 3 hr |
| Dec 17, 1:03 PM MST | Lake Effect Snow Advisory | MSO | 4 hr |
| Dec 18, 8:12 AM MST | Winter Weather Advisory | MSO | 32 hr |
| Dec 19, 8:09 AM MST | Winter Storm Warning | MSO | 8 hr |
| Dec 19, 2:01 PM MST | Winter Weather Advisory | MSO | 34 hr |
| Dec 22, 2:49 PM MST | Winter Weather Advisory | MSO | 71 hr |
| Dec 26, 3:31 AM MST | Winter Storm Watch | MSO | 11 hr |
| Dec 26, 3:31 AM MST | Winter Weather Advisory | MSO | 55 hr |
| Dec 26, 2:11 PM MST | Winter Storm Warning | MSO | 31 hr |
| Dec 29, 2:52 PM MST | Winter Weather Advisory | MSO | 22 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
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.