Alert archive / Montana / Granite County
Weather alerts in Granite County, Montana, 2020
119 weather alerts in 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Granite County and its neighbors
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Alerts
- 119
- Warnings
- 24
- Watches
- 19
- Advisories
- 62
- Busiest month
- October16 alerts
- Busiest day
- February 4, 20203 alerts
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 | Lasted |
|---|---|---|---|
| Jan 3, 8:21 AM MST | Wind Advisory | MSO | 35 hr |
| Jan 5, 12:57 PM MST | Winter Weather Advisory | MSO | 4 days |
| Jan 10, 4:02 AM MST | Winter Weather Advisory | MSO | 3 days |
| Jan 12, 5:45 AM MST | Winter Weather Advisory | MSO | 29 hr |
| Jan 13, 2:20 PM MST | Winter Weather Advisory | MSO | 37 hr |
| Jan 16, 1:39 PM MST | Winter Weather Advisory | MSO | 20 hr |
| Jan 25, 3:31 AM MST | Winter Weather Advisory | MSO | 7 hr |
| Jan 26, 2:04 PM MST | Winter Weather Advisory | MSO | 19 hr |
| Jan 27, 2:22 PM MST | Winter Weather Advisory | MSO | 24 hr |
| Jan 31, 1:20 PM MST | Wind Advisory | MSO | 28 hr |
| Feb 1, 9:01 AM MST | High Wind Warning | MSO | 11 hr |
| Feb 1, 2:04 PM MST | Winter Weather Advisory | MSO | 34 hr |
| Feb 3, 2:11 PM MST | Winter Storm Watch | MSO | 24 hr |
| Feb 4, 4:04 AM MST | Winter Storm Watch | MSO | 24 hr |
| Feb 4, 1:48 PM MST | Winter Storm Warning | MSO | 66 hr |
| Feb 4, 1:48 PM MST | Winter Weather Advisory | MSO | 71 hr |
| Feb 7, 2:00 PM MST | Winter Weather Advisory | MSO | 33 hr |
| Feb 8, 1:46 PM MST | Winter Weather Advisory | MSO | 6 hr |
| Feb 8, 5:18 PM MST | Snow Squall Warning | MSO | 27 min |
| Feb 8, 5:38 PM MST | Snow Squall Warning | MSO | 52 min |
| Feb 12, 3:14 AM MST | Winter Weather Advisory | MSO | 8 hr |
| Feb 13, 3:45 AM MST | Winter Weather Advisory | MSO | 4 days |
| Feb 16, 8:15 PM MST | Snow Squall Warning | MSO | 60 min |
| Feb 16, 9:14 PM MST | Snow Squall Warning | MSO | 61 min |
| Feb 22, 2:43 PM MST | Winter Weather Advisory | MSO | 44 hr |
| Mar 3, 2:23 PM MST | High Wind Watch | MSO | 17 hr |
| Mar 3, 2:23 PM MST | Wind Advisory | MSO | 27 hr |
| Mar 3, 2:26 PM MST | Winter Weather Advisory | MSO | 21 hr |
| Mar 11, 6:45 PM MDT | Winter Weather Advisory | MSO | 5 hr |
| Mar 12, 2:24 PM MDT | Winter Weather Advisory | MSO | 49 hr |
| Mar 29, 2:29 PM MDT | Winter Weather Advisory | MSO | 70 hr |
| Apr 3, 9:32 PM MDT | Winter Weather Advisory | MSO | 8 hr |
| Apr 8, 3:44 AM MDT | Winter Storm Watch | MSO | 59 hr |
| Apr 10, 3:26 AM MDT | Winter Storm Warning | MSO | 42 hr |
| Apr 10, 2:45 PM MDT | Winter Weather Advisory | MSO | 31 hr |
| Apr 14, 2:59 AM MDT | Winter Weather Advisory | MSO | 33 hr |
| May 5, 2:05 PM MDT | Wind Advisory | MSO | 31 hr |
| May 15, 8:37 AM MDT | Winter Weather Advisory | MSO | 3 hr |
| May 18, 5:23 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 19, 11:02 AM MDT | Flood Watch | MSO | 24 hr |
| May 19, 1:36 PM MDT | Mesoscale Discussion | SPC | 114 min |
| May 19, 2:34 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 30, 5:00 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Jun 5, 1:46 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jun 6, 1:51 PM MDT | Winter Weather Advisory | MSO | 46 hr |
| Jun 12, 2:11 PM MDT | Wind Advisory | MSO | 28 hr |
| Jun 13, 8:27 AM MDT | High Wind Warning | MSO | 10 hr |
| Jun 13, 2:21 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Jun 13, 5:38 PM MDT | Wind Advisory | MSO | 2 hr |
| Jun 14, 2:49 PM MDT | Special Weather Statement | MSO | 41 min |
| Jun 15, 10:49 AM MDT | Winter Storm Watch | MSO | 24 hr |
| Jun 16, 10:40 AM MDT | Winter Storm Warning | MSO | 22 hr |
| Jun 16, 10:40 AM MDT | Winter Weather Advisory | MSO | 22 hr |
| Jun 27, 1:50 PM MDT | Flood Watch | MSO | 3 days |
| Jun 28, 2:22 PM MDT | Winter Weather Advisory | MSO | 22 hr |
| Jun 30, 7:20 AM MDT | Areal Flood Advisory | MSO | 27 hr |
| Jul 16, 2:06 PM MDT | Red Flag Warning | MSO | 30 hr |
| Jul 23, 11:39 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 23, 6:17 PM MDT | Special Weather Statement | MSO | 43 min |
| Jul 23, 7:00 PM MDT | Special Weather Statement | MSO | 60 min |
| Aug 6, 1:53 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 1:57 PM MDT | Fire Weather Watch | MSO | 21 hr |
| Aug 10, 11:22 AM MDT | Red Flag Warning | MSO | 58 hr |
| Aug 17, 12:28 PM MDT | Fire Weather Watch | MSO | 20 hr |
| Aug 19, 2:34 PM MDT | Red Flag Warning | MSO | 31 hr |
| Aug 19, 2:45 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 19, 3:05 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Aug 21, 3:50 AM MDT | Fire Weather Watch | MSO | 27 hr |
| Aug 26, 2:44 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Aug 27, 2:47 PM MDT | Fire Weather Watch | MSO | 24 hr |
| Aug 28, 2:19 PM MDT | Red Flag Warning | MSO | 34 hr |
| Sep 2, 11:13 AM MDT | Wind Advisory | MSO | 9 hr |
| Sep 3, 11:14 AM MDT | Fire Weather Watch | MSO | 25 hr |
| Sep 4, 12:29 PM MDT | Red Flag Warning | MSO | 34 hr |
| Sep 4, 12:35 PM MDT | Winter Storm Watch | MSO | 49 hr |
| Sep 6, 1:07 PM MDT | Winter Weather Advisory | MSO | 35 hr |
| Sep 6, 1:09 PM MDT | High Wind Warning | MSO | 35 hr |
| Sep 6, 1:09 PM MDT | Wind Advisory | MSO | 30 hr |
| Sep 7, 2:12 PM MDT | Freeze Warning | MSO | 19 hr |
| Sep 12, 1:55 PM MDT | Fire Weather Watch | MSO | 18 hr |
| Sep 13, 7:40 AM MDT | Red Flag Warning | MSO | 37 hr |
| Sep 16, 1:50 PM MDT | Fire Weather Watch | MSO | 23 hr |
| Sep 17, 1:08 PM MDT | Red Flag Warning | MSO | 32 hr |
| Oct 9, 11:16 AM MDT | Wind Advisory | MSO | 33 hr |
| Oct 9, 11:27 AM MDT | Red Flag Warning | MSO | 31 hr |
| Oct 10, 2:02 PM MDT | Winter Weather Advisory | MSO | 20 hr |
| Oct 11, 2:19 PM MDT | Winter Weather Advisory | MSO | 22 hr |
| Oct 12, 2:14 AM MDT | Wind Advisory | MSO | 16 hr |
| Oct 12, 2:18 PM MDT | High Wind Watch | MSO | 24 hr |
| Oct 13, 3:05 AM MDT | High Wind Warning | MSO | 24 hr |
| Oct 15, 5:34 AM MDT | Winter Weather Advisory | MSO | 6 hr |
| Oct 16, 3:52 AM MDT | Winter Weather Advisory | MSO | 3 days |
| Oct 16, 10:55 AM MDT | Wind Advisory | MSO | 10 hr |
| Oct 20, 2:45 PM MDT | Winter Weather Advisory | MSO | 36 hr |
| Oct 22, 2:56 AM MDT | Winter Storm Watch | MSO | 11 hr |
| Oct 22, 1:55 PM MDT | Winter Storm Warning | MSO | 52 hr |
| Oct 23, 4:36 PM MDT | Mesoscale Discussion | SPC | 4 hr |
| Oct 26, 12:02 PM MDT | Air Stagnation Advisory | MSO | 4 days |
| Oct 30, 11:39 AM MDT | Wind Advisory | MSO | 8 hr |
| Nov 5, 1:39 PM MST | Winter Storm Watch | MSO | 46 hr |
| Nov 7, 3:36 AM MST | Winter Storm Warning | MSO | 35 hr |
| Nov 7, 3:36 AM MST | Winter Weather Advisory | MSO | 49 hr |
| Nov 10, 12:58 PM MST | Winter Weather Advisory | MSO | 28 hr |
| Nov 10, 9:48 PM MST | Winter Storm Warning | MSO | 7 hr |
| Nov 12, 2:40 PM MST | Winter Weather Advisory | MSO | 47 hr |
| Nov 18, 1:54 PM MST | Winter Weather Advisory | MSO | 21 hr |
| Nov 24, 1:45 PM MST | Winter Weather Advisory | MSO | 21 hr |
| Nov 30, 1:11 PM MST | Winter Weather Advisory | MSO | 19 hr |
| Nov 30, 2:27 PM MST | Air Stagnation Advisory | MSO | 8 days |
| Dec 8, 1:54 PM MST | Winter Weather Advisory | MSO | 33 hr |
| Dec 11, 11:22 AM MST | Winter Weather Advisory | MSO | 21 hr |
| Dec 13, 1:44 PM MST | Winter Weather Advisory | MSO | 21 hr |
| Dec 15, 3:26 AM MST | Winter Weather Advisory | MSO | 28 hr |
| Dec 16, 11:32 AM MST | Winter Weather Advisory | MSO | 23 hr |
| Dec 18, 2:16 PM MST | Wind Advisory | MSO | 25 hr |
| Dec 19, 2:24 PM MST | Winter Weather Advisory | MSO | 43 hr |
| Dec 21, 2:50 PM MST | Winter Weather Advisory | MSO | 32 hr |
| Dec 22, 4:06 PM MST | Snow Squall Warning | MSO | 84 min |
| Dec 29, 3:29 AM MST | Winter Weather Advisory | MSO | 61 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 | 11 |
| Special Weather Statement | 3 |
| Flooding | |
| Flood Watch | 2 |
| Areal Flood Advisory | 1 |
| Winter | |
| Snow Squall Warning | 5 |
| Winter Storm Warning | 6 |
| Winter Storm Watch | 7 |
| Winter Weather Advisory | 46 |
| Cold | |
| Freeze Warning | 1 |
| Wind and dust | |
| High Wind Warning | 4 |
| High Wind Watch | 2 |
| Wind Advisory | 13 |
| Fire | |
| Red Flag Warning | 8 |
| Fire Weather Watch | 7 |
| Fog and smoke | |
| Air Stagnation Advisory | 2 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.