Alert archive / Montana / Dawson County

Weather alerts in Dawson County, Montana, 2024

135 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Dawson County and its neighbors

Each county as a circle sized by its count in 2024. Tap one for its archive.

Alerts
135
Warnings
42
Watches
21
Advisories
24
Busiest month
July21 alerts
Busiest day
April 22, 20249 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

Dawson County, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings241538%2673%35 min
Flash flood warnings00

Each office's whole area, 2024

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Glasgow, MT: tornado warnings7357%3100%23 min
NWS Glasgow, MT: severe thunderstorm warnings924749%15773%31 min
NWS Glasgow, MT: flash flood warnings010%

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.

IssuedProductOfficeLasted
Jan 2, 8:41 AM MSTDense Fog AdvisoryGGW5 hr
Jan 2, 4:42 PM MSTDense Fog AdvisoryGGW18 hr
Jan 4, 9:57 PM MSTDense Fog AdvisoryGGW13 hr
Jan 11, 3:07 AM MSTWind Chill AdvisoryGGW35 hr
Jan 12, 2:32 AM MSTWind Chill WarningGGW3 days
Jan 15, 6:38 AM MSTWind Chill AdvisoryGGW28 hr
Jan 16, 2:11 PM MSTWinter Weather AdvisoryGGW56 hr
Jan 17, 2:30 AM MSTWind Chill AdvisoryGGW3 days
Jan 25, 6:11 AM MSTDense Fog AdvisoryGGW5 hr
Feb 3, 10:20 PM MSTDense Fog AdvisoryGGW13 hr
Feb 5, 8:07 PM MSTDense Fog AdvisoryGGW37 hr
Feb 6, 2:21 AM MSTWinter Weather AdvisoryGGW72 hr
Feb 10, 9:38 PM MSTDense Fog AdvisoryGGW8 hr
Mar 19, 1:59 PM MDTWinter Weather AdvisoryGGW56 hr
Mar 21, 3:07 AM MDTWinter Storm WatchGGW34 hr
Mar 22, 1:14 PM MDTWinter Storm WarningGGW56 hr
Apr 15, 2:49 PM MDTRed Flag WarningGGW30 hr
Apr 20, 2:53 PM MDTFire Weather WatchGGW22 hr
Apr 21, 12:51 PM MDTRed Flag WarningGGW32 hr
Apr 21, 1:56 PM MDTRed Flag WarningGGW6 hr
Apr 22, 12:47 PM MDTSpecial Weather StatementGGW88 min
Apr 22, 12:59 PM MDTSevere Thunderstorm WarningGGW61 min
Apr 22, 1:30 PM MDTSevere Thunderstorm WarningGGW60 min
Apr 22, 2:11 PM MDTSpecial Weather StatementGGW64 min
Apr 22, 3:15 PM MDTSpecial Weather StatementGGW60 min
Apr 22, 3:42 PM MDTSevere Thunderstorm WarningGGW63 min
Apr 22, 4:19 PM MDTSpecial Weather StatementGGW56 min
Apr 22, 4:46 PM MDTSevere Thunderstorm WarningGGW59 min
Apr 22, 5:17 PM MDTSpecial Weather StatementGGW88 min
Apr 25, 2:38 AM MDTFire Weather WatchGGW12 hr
Apr 25, 2:32 PM MDTRed Flag WarningGGW29 hr
Apr 28, 1:29 PM MDTFire Weather WatchGGW37 hr
Apr 30, 2:47 AM MDTRed Flag WarningGGW17 hr
May 5, 2:52 AM MDTHigh Wind WatchGGW24 hr
May 5, 7:26 PM MDTSpecial Weather StatementGGW64 min
May 5, 8:43 PM MDTSevere Thunderstorm WarningGGW62 min
May 13, 7:56 PM MDTSpecial Weather StatementGGW64 min
May 17, 1:30 PM MDTSevere Thunderstorm WatchSPC7 hr
May 17, 5:11 PM MDTSpecial Weather StatementGGW64 min
May 26, 6:44 PM MDTSpecial Weather StatementGGW61 min
May 29, 12:25 PM MDTMesoscale DiscussionSPC2 hr
May 29, 2:10 PM MDTSevere Thunderstorm WatchSPC7 hr
May 29, 4:36 PM MDTMesoscale DiscussionSPC84 min
Jun 3, 7:43 PM MDTSpecial Weather StatementGGW62 min
Jun 10, 4:20 PM MDTSpecial Weather StatementGGW55 min
Jun 15, 2:27 PM MDTMesoscale DiscussionSPC2 hr
Jun 15, 4:00 PM MDTSevere Thunderstorm WatchSPC5 hr
Jun 15, 7:26 PM MDTMesoscale DiscussionSPC64 min
Jun 15, 7:27 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW63 min
Jun 15, 8:02 PM MDTSevere Thunderstorm WarningGGW58 min
Jun 15, 8:26 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW49 min
Jun 22, 2:54 PM MDTMesoscale DiscussionSPC2 hr
Jun 22, 3:10 PM MDTSpecial Weather StatementGGW65 min
Jun 22, 3:43 PM MDTSevere Thunderstorm WarningGGW62 min
Jun 24, 12:40 AM MDTMesoscale DiscussionSPC2 hr
Jun 27, 12:18 PM MDTMesoscale DiscussionSPC2 hr
Jun 27, 1:02 PM MDTSevere Thunderstorm WatchSPC6 hr
Jun 27, 3:55 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW65 min
Jun 27, 4:01 PM MDTMesoscale DiscussionSPC89 min
Jun 27, 4:18 PM MDTSpecial Weather StatementGGW57 min
Jun 27, 4:39 PM MDTSevere Thunderstorm WarningGGW66 min
Jun 27, 4:50 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW55 min
Jun 27, 5:47 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW42 min
Jun 30, 8:44 PM MDTSpecial Weather StatementGGW61 min
Jun 30, 8:46 PM MDTSevere Thunderstorm WatchSPC4 hr
Jun 30, 9:36 PM MDTMesoscale DiscussionSPC84 min
Jun 30, 9:51 PM MDTSpecial Weather StatementGGW54 min
Jul 5, 4:12 PM MDTSpecial Weather StatementGGW63 min
Jul 5, 5:15 PM MDTSpecial Weather StatementGGW60 min
Jul 10, 1:24 AM MDTHeat AdvisoryGGW68 hr
Jul 13, 1:44 PM MDTMesoscale DiscussionSPC91 min
Jul 13, 2:08 PM MDTSevere Thunderstorm WatchSPC6 hr
Jul 13, 4:41 PM MDTMesoscale DiscussionSPC2 hr
Jul 13, 5:41 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW64 min
Jul 13, 6:40 PM MDTSpecial Weather StatementGGW65 min
Jul 13, 6:57 PM MDTMesoscale DiscussionSPC2 hr
Jul 14, 3:38 PM MDTMesoscale DiscussionSPC97 min
Jul 14, 3:59 PM MDTSevere Thunderstorm WatchSPC10 hr
Jul 19, 1:29 PM MDTSpecial Weather StatementGGW61 min
Jul 21, 12:43 PM MDTExcessive Heat WatchGGW25 hr
Jul 22, 1:27 PM MDTExcessive Heat WarningGGW3 days
Jul 24, 2:44 AM MDTFire Weather WatchGGW12 hr
Jul 24, 2:55 PM MDTRed Flag WarningGGW33 hr
Jul 31, 1:26 PM MDTHeat AdvisoryGGW3 days
Aug 5, 12:01 AM MDTSpecial Weather StatementGGW59 min
Aug 6, 5:01 PM MDTSevere Thunderstorm WatchSPC6 hr
Aug 15, 9:06 AM MDTDense Smoke AdvisoryGGW18 hr
Aug 19, 1:44 PM MDTMesoscale DiscussionSPC91 min
Aug 20, 10:33 PM MDTSpecial Weather StatementGGW57 min
Aug 21, 5:16 PM MDTMesoscale DiscussionSPC119 min
Aug 21, 6:26 PM MDTSevere Thunderstorm WatchSPC4 hr
Aug 21, 7:20 PM MDTSevere Thunderstorm WarningGGW55 min
Aug 21, 7:29 PM MDTSevere Thunderstorm WarningGGW61 min
Aug 21, 7:53 PM MDTMesoscale DiscussionSPC2 hr
Aug 21, 8:25 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW48 min
Aug 21, 10:13 PM MDTMesoscale DiscussionSPC92 min
Aug 23, 4:39 PM MDTMesoscale DiscussionSPC2 hr
Aug 24, 11:51 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW69 min
Sep 4, 8:48 AM MDTDense Smoke AdvisoryGGW6 hr
Sep 11, 5:32 PM MDTSpecial Weather StatementGGW58 min
Sep 11, 6:34 PM MDTSpecial Weather StatementGGW56 min
Sep 12, 12:12 PM MDTMesoscale DiscussionSPC2 hr
Sep 12, 3:58 PM MDTMesoscale DiscussionSPC92 min
Sep 12, 4:35 PM MDTSevere Thunderstorm WatchSPC4 hr
Sep 12, 5:55 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW65 min
Sep 12, 6:51 PM MDTSevere Thunderstorm WarningGGW33 min
Sep 17, 4:44 PM MDTSpecial Weather StatementGGW61 min
Sep 17, 4:57 PM MDTSevere Thunderstorm WarningGGW63 min
Sep 17, 5:25 PM MDTMesoscale DiscussionSPC3 hr
Sep 17, 5:44 PM MDTSevere Thunderstorm WarningGGW61 min
Sep 17, 5:56 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW37 min
Sep 17, 6:38 PM MDTSpecial Weather StatementGGW67 min
Sep 17, 8:41 PM MDTSpecial Weather StatementGGW64 min
Sep 20, 7:44 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW61 min
Sep 26, 2:35 AM MDTRed Flag WarningGGW15 hr
Sep 28, 7:37 PM MDTFire Weather WatchGGW7 hr
Sep 29, 2:37 AM MDTFire Weather WatchGGW12 hr
Sep 29, 2:37 AM MDTRed Flag WarningGGW24 hr
Sep 30, 2:22 AM MDTRed Flag WarningGGW17 hr
Sep 30, 8:10 PM MDTRed Flag WarningGGW23 hr
Oct 3, 2:08 AM MDTHigh Wind WatchGGW24 hr
Oct 4, 1:56 AM MDTHigh Wind WarningGGW42 hr
Oct 5, 2:42 AM MDTRed Flag WarningGGW17 hr
Nov 15, 2:10 AM MSTWinter Weather AdvisoryGGW36 hr
Nov 19, 2:03 AM MSTWinter Weather AdvisoryGGW36 hr
Dec 7, 1:14 PM MSTWinter Weather AdvisoryGGW49 hr
Dec 8, 2:06 AM MSTBlizzard WarningGGW25 hr
Dec 8, 7:59 PM MSTMesoscale DiscussionSPC6 hr
Dec 13, 1:05 PM MSTWinter Storm WatchGGW24 hr
Dec 14, 1:18 PM MSTWinter Weather AdvisoryGGW25 hr
Dec 15, 8:01 AM MSTWinter Storm WarningGGW6 hr
Dec 17, 1:54 PM MSTHigh Wind WarningGGW39 hr
Dec 17, 2:00 PM MSTWinter Weather AdvisoryGGW39 hr
Dec 21, 2:27 AM MSTWinter Weather AdvisoryGGW35 hr
Dec 28, 12:25 PM MSTWinter Weather AdvisoryGGW50 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 archive20232025

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.