Alert archive / Montana / Park County
Weather alerts in Park County, Montana, 2016
94 weather alerts in 2016, 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 2016. Tap one for its archive.
- Alerts
- 94
- Warnings
- 17
- Watches
- 10
- Advisories
- 32
- Busiest month
- December25 alerts
- Busiest day
- May 19, 20163 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, 2016
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 0 | 3 | 0% | |||
| 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 Great Falls, MT: tornado warnings | 5 | 0 | 100% | 1 | 0% | |
| NWS Great Falls, MT: severe thunderstorm warnings | 106 | 48 | 55% | 177 | 60% | 20 min |
| NWS Great Falls, MT: flash flood warnings | 2 | 1 | 50% | 6 | 33% | 0 min |
| NWS Missoula, MT: severe thunderstorm warnings | 19 | 14 | 26% | 41 | 46% | 12 min |
| NWS Missoula, MT: flash flood warnings | 1 | 0 | 100% | 0 | ||
| NWS Billings, MT: tornado warnings | 4 | 0 | 100% | 4 | 0% | |
| NWS Billings, MT: severe thunderstorm warnings | 97 | 42 | 57% | 164 | 68% | 22 min |
| NWS Billings, MT: flash flood warnings | 2 | 0 | 100% | 0 | ||
| NWS Glasgow, MT: tornado warnings | 3 | 0 | 100% | 1 | 0% | |
| NWS Glasgow, MT: severe thunderstorm warnings | 144 | 78 | 46% | 242 | 78% | 28 min |
| NWS Glasgow, MT: flash flood warnings | 1 | 1 | 0% | 1 | 100% | 7 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 10, 2:31 PM MST | Wind Advisory | BYZ | 4 days |
| Jan 16, 10:26 AM MST | Winter Weather Advisory | BYZ | 31 hr |
| Jan 20, 2:10 PM MST | Wind Advisory | BYZ | 61 hr |
| Jan 26, 3:21 AM MST | Wind Advisory | BYZ | 27 hr |
| Jan 27, 2:21 PM MST | Wind Advisory | BYZ | 37 hr |
| Feb 3, 3:10 PM MST | Wind Advisory | BYZ | 21 hr |
| Feb 5, 4:23 AM MST | Wind Advisory | BYZ | 34 hr |
| Feb 14, 2:42 PM MST | Wind Advisory | BYZ | 25 hr |
| Feb 17, 3:41 PM MST | Wind Advisory | BYZ | 49 hr |
| Feb 18, 3:43 AM MST | High Wind Warning | BYZ | 37 hr |
| Feb 27, 3:22 AM MST | Wind Advisory | BYZ | 12 hr |
| Feb 28, 3:57 AM MST | Wind Advisory | BYZ | 23 hr |
| Mar 1, 2:55 PM MST | Wind Advisory | BYZ | 24 hr |
| Mar 8, 3:19 PM MST | Special Weather Statement | BYZ | 116 min |
| Mar 9, 2:18 AM MST | Wind Advisory | BYZ | 42 hr |
| Mar 13, 2:20 PM MDT | Winter Storm Warning | BYZ | 28 hr |
| Mar 16, 3:11 PM MDT | Winter Weather Advisory | BYZ | 30 hr |
| Mar 22, 3:29 AM MDT | Winter Weather Advisory | BYZ | 27 hr |
| Mar 24, 5:43 PM MDT | Special Weather Statement | BYZ | 62 min |
| Mar 27, 5:23 AM MDT | Winter Storm Watch | BYZ | 48 hr |
| Mar 27, 4:05 PM MDT | Winter Storm Warning | BYZ | 61 hr |
| Mar 28, 2:46 PM MDT | Winter Weather Advisory | BYZ | 39 hr |
| Apr 4, 7:41 PM MDT | Special Weather Statement | BYZ | 64 min |
| Apr 4, 8:41 PM MDT | Wind Advisory | BYZ | 21 hr |
| May 19, 2:19 PM MDT | Special Weather Statement | BYZ | 41 min |
| May 19, 2:48 PM MDT | Special Weather Statement | BYZ | 57 min |
| May 19, 3:22 PM MDT | Special Weather Statement | BYZ | 53 min |
| Jun 7, 12:50 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 8:06 PM MDT | Special Weather Statement | BYZ | 39 min |
| Jun 9, 1:01 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 9, 2:51 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jun 10, 2:21 PM MDT | Mesoscale Discussion | SPC | 54 min |
| Jun 14, 3:15 PM MDT | Special Weather Statement | BYZ | 2 hr |
| Jun 15, 11:52 PM MDT | Special Weather Statement | BYZ | 53 min |
| Jun 24, 4:16 PM MDT | Special Weather Statement | BYZ | 59 min |
| Jul 2, 3:40 PM MDT | Special Weather Statement | BYZ | 50 min |
| Jul 3, 9:07 PM MDT | Special Weather Statement | BYZ | 38 min |
| Jul 8, 5:12 PM MDT | Special Weather Statement | BYZ | 78 min |
| Jul 9, 3:28 PM MDT | Special Weather Statement | BYZ | 62 min |
| Jul 9, 4:28 PM MDT | Special Weather Statement | BYZ | 62 min |
| Jul 15, 5:10 PM MDT | Special Weather Statement | BYZ | 50 min |
| Jul 15, 6:09 PM MDT | Special Weather Statement | BYZ | 51 min |
| Jul 16, 4:44 PM MDT | Special Weather Statement | BYZ | 61 min |
| Jul 16, 8:09 PM MDT | Special Weather Statement | BYZ | 66 min |
| Jul 26, 5:20 PM MDT | Special Weather Statement | BYZ | 55 min |
| Jul 30, 5:44 PM MDT | Special Weather Statement | BYZ | 46 min |
| Jul 30, 6:28 PM MDT | Special Weather Statement | BYZ | 47 min |
| Jul 31, 8:59 AM MDT | Red Flag Warning | BYZ | 12 hr |
| Aug 1, 2:28 PM MDT | Fire Weather Watch | BYZ | 13 hr |
| Aug 2, 3:15 AM MDT | Red Flag Warning | BYZ | 42 hr |
| Aug 6, 2:37 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 6, 5:58 PM MDT | Special Weather Statement | BYZ | 47 min |
| Aug 7, 1:52 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 18, 10:21 PM MDT | Special Weather Statement | BYZ | 39 min |
| Aug 18, 11:02 PM MDT | Special Weather Statement | BYZ | 28 min |
| Aug 22, 3:11 AM MDT | Red Flag Warning | BYZ | 18 hr |
| Aug 31, 2:51 PM MDT | Fire Weather Watch | BYZ | 21 hr |
| Aug 31, 7:42 PM MDT | Special Weather Statement | BYZ | 2 hr |
| Sep 1, 11:26 AM MDT | Red Flag Warning | BYZ | 34 hr |
| Oct 2, 2:51 AM MDT | Winter Storm Watch | BYZ | 24 hr |
| Oct 3, 2:40 AM MDT | Winter Storm Warning | BYZ | 33 hr |
| Oct 10, 4:16 AM MDT | Winter Weather Advisory | BYZ | 40 hr |
| Oct 13, 3:49 AM MDT | Wind Advisory | BYZ | 40 hr |
| Oct 30, 7:43 PM MDT | Wind Advisory | BYZ | 19 hr |
| Nov 14, 3:28 AM MST | Wind Advisory | BYZ | 17 hr |
| Nov 15, 1:52 PM MST | Winter Storm Watch | BYZ | 14 hr |
| Nov 16, 4:11 AM MST | Winter Storm Warning | BYZ | 40 hr |
| Nov 19, 1:54 PM MST | Special Weather Statement | BYZ | 4 hr |
| Nov 24, 2:58 AM MST | Wind Advisory | BYZ | 42 hr |
| Dec 1, 2:40 PM MST | Wind Advisory | BYZ | 3 days |
| Dec 3, 3:17 AM MST | Winter Storm Watch | BYZ | 15 hr |
| Dec 3, 6:07 PM MST | Winter Storm Warning | BYZ | 39 hr |
| Dec 4, 4:11 AM MST | Winter Weather Advisory | BYZ | 34 hr |
| Dec 5, 11:19 PM MST | Special Weather Statement | BYZ | 4 hr |
| Dec 6, 11:39 AM MST | Special Weather Statement | BYZ | 6 min |
| Dec 9, 9:45 AM MST | Winter Weather Advisory | BYZ | 32 hr |
| Dec 9, 4:45 PM MST | Winter Storm Warning | BYZ | 25 hr |
| Dec 11, 2:48 PM MST | Winter Weather Advisory | BYZ | 24 hr |
| Dec 13, 3:21 PM MST | Winter Storm Watch | BYZ | 23 hr |
| Dec 14, 4:59 AM MST | Winter Storm Warning | BYZ | 71 hr |
| Dec 16, 2:59 PM MST | Blizzard Watch | BYZ | 23 hr |
| Dec 16, 2:59 PM MST | Wind Chill Warning | BYZ | 20 hr |
| Dec 17, 8:50 AM MST | Winter Weather Advisory | BYZ | 63 hr |
| Dec 17, 2:21 PM MST | Blizzard Warning | BYZ | 46 hr |
| Dec 18, 2:24 PM MST | High Wind Warning | BYZ | 38 hr |
| Dec 19, 9:05 PM MST | Wind Advisory | BYZ | 30 hr |
| Dec 23, 11:42 AM MST | Winter Weather Advisory | BYZ | 67 hr |
| Dec 25, 3:51 PM MST | High Wind Watch | BYZ | 10 hr |
| Dec 26, 1:58 AM MST | High Wind Warning | BYZ | 42 hr |
| Dec 26, 1:58 AM MST | Wind Advisory | BYZ | 22 hr |
| Dec 27, 7:29 PM MST | Wind Advisory | BYZ | 46 hr |
| Dec 29, 5:28 PM MST | High Wind Warning | BYZ | 17 hr |
| Dec 30, 1:27 PM MST | Special Weather Statement | BYZ | 4 hr |
| Dec 31, 8:22 AM MST | Winter Weather Advisory | BYZ | 8 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 Watch | 1 |
| Mesoscale Discussion | 5 |
| Special Weather Statement | 30 |
| Winter | |
| Blizzard Warning | 1 |
| Winter Storm Warning | 7 |
| Blizzard Watch | 1 |
| Winter Storm Watch | 5 |
| Winter Weather Advisory | 11 |
| Cold | |
| Wind Chill Warning | 1 |
| Wind and dust | |
| High Wind Warning | 4 |
| High Wind Watch | 1 |
| Wind Advisory | 21 |
| Fire | |
| Red Flag Warning | 4 |
| Fire Weather Watch | 2 |
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.