Alert archive / Montana / Park County
Weather alerts in Park County, Montana, 2023
98 weather alerts in 2023, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Park County and its neighbors
Each county as a circle sized by its count in 2023. Tap one for its archive.
- Alerts
- 98
- Warnings
- 14
- Watches
- 16
- Advisories
- 45
- Busiest month
- February20 alerts
- Busiest day
- February 19, 20234 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Park County, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 2 | 2 | 0% | 13 | 23% | 12 min |
| Flash flood warnings | 0 | 0 |
Each office's whole area, 2023
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Billings, MT: severe thunderstorm warnings | 85 | 22 | 74% | 85 | 48% | 22 min |
| NWS Billings, MT: flash flood warnings | 43 | 11 | 74% | 21 | 52% | 78 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 25, 1:24 AM MST | Winter Storm Watch | BYZ | 37 hr |
| Jan 26, 2:20 PM MST | Winter Storm Warning | BYZ | 51 hr |
| Jan 26, 2:20 PM MST | Winter Weather Advisory | BYZ | 51 hr |
| Jan 28, 5:02 PM MST | Wind Chill Advisory | BYZ | 43 hr |
| Jan 29, 9:07 PM MST | Winter Weather Advisory | BYZ | 64 hr |
| Feb 1, 1:22 PM MST | Wind Advisory | BYZ | 68 hr |
| Feb 4, 12:33 PM MST | Wind Advisory | BYZ | 17 hr |
| Feb 6, 2:05 AM MST | Wind Advisory | BYZ | 54 hr |
| Feb 9, 11:48 AM MST | Wind Advisory | BYZ | 23 hr |
| Feb 11, 12:09 PM MST | Wind Advisory | BYZ | 49 hr |
| Feb 12, 1:39 AM MST | Winter Storm Watch | BYZ | 25 hr |
| Feb 13, 2:39 AM MST | Winter Storm Warning | BYZ | 44 hr |
| Feb 13, 2:39 AM MST | Winter Weather Advisory | BYZ | 44 hr |
| Feb 15, 2:45 AM MST | Winter Weather Advisory | BYZ | 21 hr |
| Feb 16, 12:03 PM MST | Wind Advisory | BYZ | 22 hr |
| Feb 17, 12:26 PM MST | Wind Advisory | BYZ | 23 hr |
| Feb 18, 2:29 AM MST | Winter Storm Watch | BYZ | 24 hr |
| Feb 18, 9:44 PM MST | Special Weather Statement | BYZ | 2 hr |
| Feb 19, 2:21 AM MST | Wind Advisory | BYZ | 26 hr |
| Feb 19, 2:44 AM MST | Winter Storm Watch | BYZ | 24 hr |
| Feb 19, 2:44 AM MST | Winter Storm Warning | BYZ | 4 days |
| Feb 20, 12:28 PM MST | Wind Advisory | BYZ | 21 hr |
| Feb 22, 2:30 AM MST | Winter Weather Advisory | BYZ | 23 hr |
| Feb 22, 1:29 PM MST | Wind Chill Advisory | BYZ | 46 hr |
| Feb 24, 10:47 AM MST | Wind Advisory | BYZ | 44 hr |
| Mar 2, 12:51 AM MST | Wind Advisory | BYZ | 26 hr |
| Mar 4, 1:13 AM MST | Winter Weather Advisory | BYZ | 3 days |
| Mar 8, 4:13 AM MST | Dense Fog Advisory | BYZ | 7 hr |
| Mar 10, 2:08 AM MST | Winter Storm Warning | BYZ | 21 hr |
| Mar 10, 2:08 AM MST | Winter Weather Advisory | BYZ | 24 hr |
| Mar 10, 4:32 PM MST | Special Weather Statement | BYZ | 28 min |
| Mar 10, 5:04 PM MST | Special Weather Statement | BYZ | 26 min |
| Mar 10, 5:27 PM MST | Special Weather Statement | BYZ | 33 min |
| Mar 12, 11:42 PM MDT | Wind Advisory | BYZ | 34 hr |
| Mar 13, 1:23 AM MDT | Winter Storm Watch | BYZ | 12 hr |
| Mar 13, 1:32 PM MDT | Winter Storm Warning | BYZ | 61 hr |
| Mar 14, 1:44 PM MDT | Winter Weather Advisory | BYZ | 31 hr |
| Mar 20, 2:46 PM MDT | Winter Weather Advisory | BYZ | 27 hr |
| Mar 23, 2:30 AM MDT | Winter Storm Watch | BYZ | 12 hr |
| Mar 23, 2:51 PM MDT | Winter Storm Warning | BYZ | 4 days |
| Mar 29, 6:10 PM MDT | Winter Weather Advisory | BYZ | 32 hr |
| Apr 1, 1:30 PM MDT | Winter Storm Watch | BYZ | 37 hr |
| Apr 2, 2:48 PM MDT | Winter Storm Warning | BYZ | 51 hr |
| Apr 4, 5:23 AM MDT | Special Weather Statement | BYZ | 3 hr |
| Apr 10, 12:24 PM MDT | Winter Storm Watch | BYZ | 37 hr |
| Apr 10, 7:53 PM MDT | High Wind Warning | BYZ | 25 hr |
| Apr 10, 7:53 PM MDT | Wind Advisory | BYZ | 25 hr |
| Apr 12, 1:37 AM MDT | Winter Storm Warning | BYZ | 41 hr |
| Apr 12, 1:37 AM MDT | Winter Weather Advisory | BYZ | 41 hr |
| Apr 12, 11:22 AM MDT | Areal Flood Advisory | BYZ | 27 hr |
| Apr 18, 5:50 AM MDT | Winter Weather Advisory | BYZ | 63 hr |
| May 25, 12:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| May 31, 12:32 PM MDT | Flood Watch | BYZ | 71 hr |
| Jun 6, 10:09 AM MDT | Flood Watch | BYZ | 14 hr |
| Jun 7, 2:30 AM MDT | Flood Watch | BYZ | 49 hr |
| Jun 21, 1:43 PM MDT | Flood Watch | BYZ | 3 days |
| Jun 23, 10:39 AM MDT | Winter Weather Advisory | BYZ | 24 hr |
| Jun 26, 3:03 AM MDT | Flood Watch | BYZ | 66 hr |
| Jul 1, 1:17 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 1, 3:02 PM MDT | Severe Thunderstorm Warning | BYZ | 58 min |
| Jul 3, 9:20 AM MDT | Winter Weather Advisory | BYZ | 25 hr |
| Jul 3, 5:17 PM MDT | Special Weather Statement | BYZ | 43 min |
| Jul 10, 5:20 PM MDT | Special Weather Statement | BYZ | 40 min |
| Jul 23, 5:14 PM MDT | Special Weather Statement | BYZ | 91 min |
| Jul 23, 6:35 PM MDT | Special Weather Statement | BYZ | 85 min |
| Jul 27, 3:21 PM MDT | Special Weather Statement | BYZ | 54 min |
| Jul 28, 1:39 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 28, 3:21 PM MDT | Special Weather Statement | BYZ | 39 min |
| Jul 28, 4:33 PM MDT | Severe Thunderstorm Warning | BYZ | 42 min |
| Aug 16, 2:55 AM MDT | Heat Advisory | BYZ | 42 hr |
| Aug 17, 10:55 PM MDT | Special Weather Statement | BYZ | 65 min |
| Aug 18, 1:02 PM MDT | Mesoscale Discussion | SPC | 118 min |
| Aug 18, 3:31 PM MDT | Special Weather Statement | BYZ | 44 min |
| Aug 18, 4:50 PM MDT | Special Weather Statement | BYZ | 40 min |
| Aug 25, 8:11 PM MDT | Special Weather Statement | BYZ | 49 min |
| Aug 29, 9:04 PM MDT | Special Weather Statement | BYZ | 41 min |
| Aug 29, 9:58 PM MDT | Special Weather Statement | BYZ | 47 min |
| Sep 1, 4:51 PM MDT | Special Weather Statement | BYZ | 39 min |
| Sep 18, 5:17 PM MDT | Special Weather Statement | BYZ | 43 min |
| Sep 21, 9:23 AM MDT | Winter Weather Advisory | BYZ | 51 hr |
| Oct 10, 2:36 AM MDT | Winter Storm Watch | BYZ | 24 hr |
| Oct 11, 2:32 AM MDT | Winter Storm Warning | BYZ | 43 hr |
| Oct 22, 8:08 PM MDT | Winter Storm Watch | BYZ | 65 hr |
| Oct 24, 2:23 AM MDT | Winter Storm Warning | BYZ | 67 hr |
| Oct 24, 1:14 PM MDT | Winter Weather Advisory | BYZ | 53 hr |
| Nov 4, 5:35 PM MDT | Wind Advisory | BYZ | 17 hr |
| Nov 10, 12:43 PM MST | Wind Advisory | BYZ | 38 hr |
| Nov 15, 12:19 AM MST | Wind Advisory | BYZ | 28 hr |
| Nov 21, 1:13 AM MST | Winter Storm Watch | BYZ | 36 hr |
| Nov 21, 8:35 AM MST | Wind Advisory | BYZ | 27 hr |
| Nov 22, 1:15 AM MST | Winter Weather Advisory | BYZ | 53 hr |
| Nov 22, 1:25 PM MST | Winter Storm Warning | BYZ | 41 hr |
| Nov 27, 12:50 PM MST | Wind Advisory | BYZ | 22 hr |
| Dec 1, 1:33 AM MST | Wind Advisory | BYZ | 50 hr |
| Dec 1, 1:33 AM MST | Wind Advisory | BYZ | 3 days |
| Dec 4, 1:15 PM MST | Wind Advisory | BYZ | 64 hr |
| Dec 8, 12:53 PM MST | Wind Advisory | BYZ | 49 hr |
| Dec 16, 6:13 AM MST | Wind Advisory | BYZ | 21 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 | 2 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 19 |
| Flooding | |
| Flood Watch | 5 |
| Areal Flood Advisory | 1 |
| Winter | |
| Winter Storm Warning | 11 |
| Winter Storm Watch | 11 |
| Winter Weather Advisory | 17 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Wind Chill Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 1 |
| Wind Advisory | 23 |
| 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 archive20222024
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.