Alert archive / Montana / Treasure County
Weather alerts in Treasure County, Montana, 2008
90 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Treasure County and its neighbors
Each county as a circle sized by its count in 2008. Tap one for its archive.
- Alerts
- 90
- Warnings
- 31
- Watches
- 18
- Advisories
- 16
- Busiest month
- June24 alerts
- Busiest day
- June 18, 200811 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Treasure County, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 16 | 6 | 63% | 7 | 71% | 19 min |
| Flash flood warnings | 2 | 1 | 50% | 0 |
Each office's whole area, 2008
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Billings, MT: tornado warnings | 1 | 1 | 0% | 2 | 50% | 7 min |
| NWS Billings, MT: severe thunderstorm warnings | 187 | 80 | 57% | 140 | 79% | 27 min |
| NWS Billings, MT: flash flood warnings | 8 | 3 | 63% | 6 | 83% | 155 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 14, 3:51 AM MST | High Wind Watch | BYZ | 23 hr |
| Jan 16, 3:09 AM MST | Winter Storm Watch | BYZ | 13 hr |
| Jan 16, 3:41 PM MST | Winter Storm Warning | BYZ | 49 hr |
| Jan 19, 3:28 PM MST | Snow and Blowing Snow Advisory | BYZ | 24 hr |
| Jan 21, 6:33 PM MST | Wind Chill Advisory | BYZ | 15 hr |
| Jan 22, 2:49 PM MST | Snow and Blowing Snow Advisory | BYZ | 17 hr |
| Jan 27, 2:40 PM MST | Winter Weather Advisory | BYZ | 31 hr |
| Feb 8, 4:00 AM MST | Winter Weather Advisory | BYZ | 41 hr |
| Feb 9, 8:56 AM MST | Winter Storm Warning | BYZ | 12 hr |
| Feb 10, 2:54 PM MST | Snow Advisory | BYZ | 24 hr |
| Mar 6, 6:08 AM MST | Snow Advisory | BYZ | 15 hr |
| Mar 30, 3:23 PM MDT | Snow Advisory | BYZ | 29 hr |
| Apr 14, 3:20 AM MDT | Red Flag Warning | BYZ | 17 hr |
| Apr 19, 9:41 AM MDT | Red Flag Warning | BYZ | 11 hr |
| Apr 28, 3:03 PM MDT | Fire Weather Watch | BYZ | 15 hr |
| Apr 29, 5:59 AM MDT | Red Flag Warning | BYZ | 17 hr |
| May 1, 3:28 PM MDT | Snow Advisory | BYZ | 15 hr |
| Jun 1, 2:58 PM MDT | Mesoscale Discussion | SPC | 92 min |
| Jun 1, 4:41 PM MDT | Severe Thunderstorm Warning | BYZ | 64 min |
| Jun 1, 6:06 PM MDT | Severe Thunderstorm Warning | BYZ | 54 min |
| Jun 10, 3:41 PM MDT | Mesoscale Discussion | SPC | 64 min |
| Jun 10, 4:21 PM MDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 16, 3:27 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Jun 17, 12:40 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Jun 17, 1:27 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 17, 5:48 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 17, 6:29 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jun 17, 8:03 PM MDT | Severe Thunderstorm Warning | BYZ | 57 min |
| Jun 17, 8:33 PM MDT | Severe Thunderstorm Warning | BYZ | 22 min |
| Jun 17, 10:16 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jun 17, 10:29 PM MDT | Severe Thunderstorm Warning | BYZ | 61 min |
| Jun 17, 11:09 PM MDT | Severe Thunderstorm Warning | BYZ | 66 min |
| Jun 17, 11:29 PM MDT | Severe Thunderstorm Warning | BYZ | 31 min |
| Jun 18, 1:14 AM MDT | Severe Thunderstorm Warning | BYZ | 61 min |
| Jun 18, 2:35 AM MDT | Flash Flood Warning | BYZ | 6 hr |
| Jun 18, 3:58 AM MDT | Severe Thunderstorm Warning | BYZ | 62 min |
| Jun 18, 3:57 PM MDT | Mesoscale Discussion | SPC | 93 min |
| Jun 18, 8:53 PM MDT | Severe Thunderstorm Warning | BYZ | 67 min |
| Jun 23, 4:13 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Jun 25, 3:01 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 25, 7:49 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jul 1, 2:48 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 1, 6:02 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Jul 5, 3:52 PM MDT | Severe Thunderstorm Warning | BYZ | 41 min |
| Jul 5, 4:25 PM MDT | Mesoscale Discussion | SPC | 65 min |
| Jul 6, 1:32 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 6, 2:20 PM MDT | Flash Flood Warning | BYZ | 3 hr |
| Jul 6, 6:08 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Jul 10, 3:39 PM MDT | Red Flag Warning | BYZ | 26 hr |
| Jul 18, 12:04 PM MDT | Mesoscale Discussion | SPC | 56 min |
| Jul 18, 1:33 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 18, 3:32 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 22, 3:12 PM MDT | Mesoscale Discussion | SPC | 63 min |
| Jul 22, 3:24 PM MDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jul 22, 8:03 PM MDT | Mesoscale Discussion | SPC | 87 min |
| Jul 22, 9:54 PM MDT | Severe Thunderstorm Warning | BYZ | 66 min |
| Jul 23, 12:32 AM MDT | Mesoscale Discussion | SPC | 58 min |
| Jul 26, 1:44 PM MDT | Mesoscale Discussion | SPC | 61 min |
| Jul 26, 8:57 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 26, 10:09 PM MDT | Severe Thunderstorm Watch | SPC | 9 min |
| Jul 26, 10:37 PM MDT | Severe Thunderstorm Warning | BYZ | 53 min |
| Aug 1, 5:07 AM MDT | Red Flag Warning | BYZ | 19 hr |
| Aug 2, 8:28 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Aug 2, 9:57 PM MDT | Severe Thunderstorm Warning | BYZ | 63 min |
| Aug 3, 8:03 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Aug 3, 9:49 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 5, 7:37 PM MDT | Severe Thunderstorm Warning | BYZ | 53 min |
| Aug 5, 8:21 PM MDT | Severe Thunderstorm Warning | BYZ | 54 min |
| Aug 5, 8:40 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 21, 2:33 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Aug 25, 3:31 AM MDT | Red Flag Warning | BYZ | 38 hr |
| Aug 27, 3:41 AM MDT | Red Flag Warning | BYZ | 17 hr |
| Aug 29, 4:26 AM MDT | Fire Weather Watch | BYZ | 11 hr |
| Sep 19, 3:06 PM MDT | Fire Weather Watch | BYZ | 12 hr |
| Sep 20, 3:32 AM MDT | Red Flag Warning | BYZ | 18 hr |
| Oct 9, 4:12 AM MDT | Winter Storm Watch | BYZ | 12 hr |
| Oct 9, 4:16 PM MDT | Winter Storm Warning | BYZ | 71 hr |
| Oct 11, 10:29 PM MDT | Mesoscale Discussion | SPC | 4 hr |
| Nov 8, 5:44 AM MST | Dense Fog Advisory | BYZ | 9 hr |
| Nov 14, 1:17 PM MST | Mesoscale Discussion | SPC | 58 min |
| Dec 1, 3:42 PM MST | Winter Weather Advisory | BYZ | 31 hr |
| Dec 11, 3:40 PM MST | Winter Storm Watch | BYZ | 24 hr |
| Dec 12, 3:48 PM MST | Blizzard Warning | BYZ | 35 hr |
| Dec 12, 3:48 PM MST | Winter Storm Warning | BYZ | 35 hr |
| Dec 13, 10:35 AM MST | Mesoscale Discussion | SPC | 4 hr |
| Dec 13, 9:16 PM MST | Wind Chill Advisory | BYZ | 31 hr |
| Dec 18, 9:28 PM MST | Winter Weather Advisory | BYZ | 24 hr |
| Dec 22, 4:20 AM MST | Winter Weather Advisory | BYZ | 35 hr |
| Dec 25, 2:18 PM MST | Winter Weather Advisory | BYZ | 26 hr |
| Dec 28, 7:57 PM MST | Freezing Rain Advisory | BYZ | 4 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 | 16 |
| Severe Thunderstorm Watch | 11 |
| Mesoscale Discussion | 25 |
| Flooding | |
| Flash Flood Warning | 2 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 4 |
| Winter Storm Watch | 3 |
| Freezing Rain Advisory | 1 |
| Snow Advisory | 4 |
| Snow and Blowing Snow Advisory | 2 |
| Winter Weather Advisory | 6 |
| Cold | |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Watch | 1 |
| Fire | |
| Red Flag Warning | 8 |
| Fire Weather Watch | 3 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20072009
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.