Alert archive / Montana / McCone County

Weather alerts in McCone County, Montana, 2022

238 weather alerts in 2022, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

McCone County and its neighbors

Each county as a circle sized by its count in 2022. Tap one for its archive.

Alerts
238
Warnings
67
Watches
32
Advisories
98
Busiest month
July92 alerts
Busiest day
July 7, 202213 alerts

Over time

By month

Warning verification

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

McCone County, 2022

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings372143%1060%22 min
Flash flood warnings00

Each office's whole area, 2022

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Glasgow, MT: tornado warnings10100%10%
NWS Glasgow, MT: severe thunderstorm warnings1346353%15073%27 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.

IssuedProductOfficeLasted
Jan 3, 2:16 PM MSTWind Chill WarningGGW70 hr
Jan 3, 2:16 PM MSTWind Chill AdvisoryGGW72 hr
Jan 4, 9:46 AM MSTWinter Weather AdvisoryGGW7 hr
Jan 6, 2:12 PM MSTWind Chill AdvisoryGGW21 hr
Jan 7, 2:51 PM MSTWind Chill AdvisoryGGW45 hr
Jan 13, 5:05 AM MSTWinter Weather AdvisoryGGW5 hr
Jan 17, 2:20 PM MSTWind Chill AdvisoryGGW70 hr
Jan 19, 8:21 PM MSTWinter Weather AdvisoryGGW35 hr
Jan 20, 12:48 PM MSTHigh Wind WatchGGW14 hr
Jan 30, 7:59 PM MSTHigh Wind WarningGGW31 hr
Jan 31, 2:13 PM MSTWind Chill AdvisoryGGW20 hr
Feb 1, 10:18 AM MSTWind Chill AdvisoryGGW47 hr
Feb 6, 2:55 AM MSTHigh Wind WatchGGW23 hr
Feb 6, 8:46 AM MSTFire Weather WatchGGW18 hr
Feb 7, 2:16 AM MSTRed Flag WarningGGW16 hr
Feb 19, 8:52 PM MSTSevere Thunderstorm WarningGGW23 min
Feb 19, 9:11 PM MSTSpecial Weather StatementGGW49 min
Feb 19, 9:28 PM MSTSevere Thunderstorm WarningGGW62 min
Feb 19, 10:56 PM MSTSevere Thunderstorm WarningGGW64 min
Feb 20, 9:37 PM MSTWind Chill AdvisoryGGW4 days
Mar 1, 5:56 AM MSTWinter Weather AdvisoryGGW3 days
Mar 1, 7:52 PM MSTDense Fog AdvisoryGGW17 hr
Mar 2, 8:48 PM MSTSpecial Weather StatementGGW57 min
Mar 10, 2:05 PM MSTWind Chill AdvisoryGGW21 hr
Mar 11, 3:12 AM MSTHigh Wind WatchGGW23 hr
Mar 16, 3:10 PM MDTSpecial Weather StatementGGW65 min
Mar 16, 5:30 PM MDTSpecial Weather StatementGGW30 min
Mar 31, 2:51 AM MDTLake Wind AdvisoryGGW18 hr
Apr 4, 3:18 AM MDTHigh Wind WarningGGW48 hr
Apr 4, 3:18 AM MDTLake Wind AdvisoryGGW10 hr
Apr 4, 12:56 PM MDTLake Wind AdvisoryGGW14 hr
Apr 4, 1:03 PM MDTFire Weather WatchGGW14 hr
Apr 5, 3:21 AM MDTRed Flag WarningGGW18 hr
Apr 6, 3:16 AM MDTLake Wind AdvisoryGGW18 hr
Apr 9, 2:43 AM MDTLake Wind AdvisoryGGW18 hr
Apr 9, 1:57 PM MDTWinter Storm WatchGGW37 hr
Apr 11, 3:24 AM MDTBlizzard WarningGGW67 hr
Apr 11, 3:24 AM MDTWinter Storm WarningGGW62 hr
Apr 13, 5:51 PM MDTWinter Weather AdvisoryGGW12 hr
Apr 14, 2:23 AM MDTLake Wind AdvisoryGGW18 hr
Apr 15, 2:49 PM MDTWinter Weather AdvisoryGGW48 hr
Apr 19, 3:16 AM MDTLake Wind AdvisoryGGW42 hr
Apr 20, 3:10 AM MDTWinter Storm WatchGGW35 hr
Apr 21, 3:18 AM MDTLake Wind AdvisoryGGW19 hr
Apr 21, 2:11 PM MDTBlizzard WarningGGW67 hr
Apr 22, 2:18 PM MDTLake Wind AdvisoryGGW54 hr
Apr 25, 2:28 PM MDTLake Wind AdvisoryGGW33 hr
May 1, 2:25 PM MDTLake Wind AdvisoryGGW52 hr
May 5, 2:18 PM MDTLake Wind AdvisoryGGW30 hr
May 5, 2:33 PM MDTFire Weather WatchGGW13 hr
May 6, 3:20 AM MDTRed Flag WarningGGW17 hr
May 7, 2:43 AM MDTLake Wind AdvisoryGGW18 hr
May 9, 3:02 AM MDTLake Wind AdvisoryGGW17 hr
May 10, 11:59 AM MDTLake Wind AdvisoryGGW6 hr
May 12, 2:46 AM MDTLake Wind AdvisoryGGW65 hr
May 17, 6:44 AM MDTLake Wind AdvisoryGGW13 hr
May 18, 3:01 AM MDTLake Wind AdvisoryGGW15 hr
May 19, 3:07 AM MDTLake Wind AdvisoryGGW42 hr
May 29, 2:22 PM MDTLake Wind AdvisoryGGW53 hr
Jun 4, 2:44 AM MDTLake Wind AdvisoryGGW16 hr
Jun 9, 8:28 PM MDTLake Wind AdvisoryGGW24 hr
Jun 13, 12:43 PM MDTHigh Wind WatchGGW14 hr
Jun 13, 12:43 PM MDTLake Wind AdvisoryGGW41 hr
Jun 14, 3:01 AM MDTHigh Wind WarningGGW42 hr
Jun 15, 9:04 PM MDTLake Wind AdvisoryGGW7 hr
Jun 16, 3:38 AM MDTHeat AdvisoryGGW63 hr
Jun 16, 1:22 PM MDTLake Wind AdvisoryGGW35 hr
Jun 17, 5:08 PM MDTSevere Thunderstorm WatchSPC5 hr
Jun 19, 9:03 AM MDTLake Wind AdvisoryGGW11 hr
Jun 21, 3:21 AM MDTLake Wind AdvisoryGGW17 hr
Jun 24, 2:54 AM MDTLake Wind AdvisoryGGW41 hr
Jun 28, 8:33 PM MDTMesoscale DiscussionSPC117 min
Jun 28, 9:44 PM MDTSpecial Weather StatementGGW61 min
Jun 29, 2:55 AM MDTLake Wind AdvisoryGGW18 hr
Jul 2, 1:20 PM MDTMesoscale DiscussionSPC115 min
Jul 2, 2:20 PM MDTSpecial Weather StatementGGW55 min
Jul 2, 2:20 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 2, 2:44 PM MDTSevere Thunderstorm WarningGGW61 min
Jul 2, 3:23 PM MDTSpecial Weather StatementGGW67 min
Jul 2, 3:34 PM MDTSevere Thunderstorm WarningGGW56 min
Jul 2, 6:02 PM MDTSpecial Weather StatementGGW28 min
Jul 3, 3:54 PM MDTSevere Thunderstorm WatchSPC6 hr
Jul 3, 5:14 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW61 min
Jul 3, 5:33 PM MDTMesoscale DiscussionSPC87 min
Jul 3, 6:09 PM MDTSevere Thunderstorm WarningGGW66 min
Jul 3, 6:18 PM MDTAreal Flood AdvisoryGGW3 hr
Jul 3, 7:01 PM MDTSevere Thunderstorm WarningGGW59 min
Jul 4, 8:36 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 4, 9:09 PM MDTMesoscale DiscussionSPC2 hr
Jul 4, 10:41 PM MDTSevere Thunderstorm WarningGGW64 min
Jul 5, 3:01 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 5, 5:47 PM MDTMesoscale DiscussionSPC118 min
Jul 5, 7:47 PM MDTSpecial Weather StatementGGW43 min
Jul 5, 7:59 PM MDTSevere Thunderstorm WarningGGW61 min
Jul 6, 1:54 PM MDTFlood WatchGGW12 hr
Jul 6, 2:48 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 6, 4:18 PM MDTSevere Thunderstorm WarningGGW57 min
Jul 6, 4:53 PM MDTMesoscale DiscussionSPC2 hr
Jul 6, 5:00 PM MDTAreal Flood AdvisoryGGW2 hr
Jul 6, 5:06 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW54 min
Jul 6, 5:54 PM MDTSevere Thunderstorm WarningGGW50 min
Jul 6, 6:33 PM MDTSpecial Weather StatementGGW27 min
Jul 6, 6:38 PM MDTSevere Thunderstorm WarningGGW67 min
Jul 6, 6:52 PM MDTAreal Flood AdvisoryGGW3 hr
Jul 6, 7:01 PM MDTMesoscale DiscussionSPC119 min
Jul 6, 7:15 PM MDTSevere Thunderstorm WarningGGW42 min
Jul 6, 7:44 PM MDTSpecial Weather StatementGGW46 min
Jul 6, 8:15 PM MDTSpecial Weather StatementGGW45 min
Jul 6, 8:25 PM MDTSevere Thunderstorm WarningGGW42 min
Jul 6, 8:35 PM MDTAreal Flood AdvisoryGGW5 hr
Jul 6, 9:30 PM MDTAreal Flood AdvisoryGGW3 hr
Jul 6, 9:34 PM MDTSevere Thunderstorm WarningGGW23 min
Jul 6, 9:52 PM MDTAreal Flood AdvisoryGGW3 hr
Jul 7, 9:20 AM MDTFlood WatchGGW17 hr
Jul 8, 1:29 AM MDTSpecial Weather StatementGGW61 min
Jul 8, 7:32 PM MDTMesoscale DiscussionSPC118 min
Jul 8, 7:51 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 8, 9:58 PM MDTSpecial Weather StatementGGW62 min
Jul 8, 10:07 PM MDTSevere Thunderstorm Warning Destructive damage threatGGW53 min
Jul 8, 10:30 PM MDTMesoscale DiscussionSPC90 min
Jul 8, 10:41 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW64 min
Jul 8, 10:48 PM MDTSevere Thunderstorm WarningGGW57 min
Jul 8, 11:36 PM MDTSpecial Weather StatementGGW54 min
Jul 8, 11:41 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW64 min
Jul 9, 12:19 AM MDTSevere Thunderstorm WarningGGW28 min
Jul 9, 12:38 AM MDTSevere Thunderstorm WarningGGW52 min
Jul 9, 2:14 AM MDTSevere Thunderstorm WarningGGW46 min
Jul 9, 2:48 AM MDTSevere Thunderstorm WarningGGW22 min
Jul 9, 6:12 PM MDTMesoscale DiscussionSPC3 hr
Jul 9, 7:28 PM MDTSevere Thunderstorm WatchSPC9 hr
Jul 9, 9:27 PM MDTSevere Thunderstorm WarningGGW63 min
Jul 9, 9:45 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW60 min
Jul 9, 9:54 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW66 min
Jul 9, 10:30 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW60 min
Jul 9, 10:30 PM MDTMesoscale DiscussionSPC2 hr
Jul 9, 10:36 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW54 min
Jul 9, 11:23 PM MDTSevere Thunderstorm WarningGGW67 min
Jul 9, 11:27 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW63 min
Jul 10, 2:59 AM MDTLake Wind AdvisoryGGW17 hr
Jul 12, 3:05 AM MDTHeat AdvisoryGGW41 hr
Jul 13, 4:00 PM MDTMesoscale DiscussionSPC60 min
Jul 13, 4:44 PM MDTSevere Thunderstorm WatchSPC6 hr
Jul 13, 6:40 PM MDTMesoscale DiscussionSPC65 min
Jul 13, 8:26 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW64 min
Jul 13, 9:07 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW53 min
Jul 15, 3:32 PM MDTSevere Thunderstorm WatchSPC5 hr
Jul 15, 5:02 PM MDTMesoscale DiscussionSPC88 min
Jul 15, 7:29 PM MDTMesoscale DiscussionSPC91 min
Jul 16, 11:42 AM MDTHeat AdvisoryGGW54 hr
Jul 17, 2:36 PM MDTLake Wind AdvisoryGGW21 hr
Jul 18, 3:06 AM MDTHigh Wind WarningGGW36 hr
Jul 18, 12:08 PM MDTMesoscale DiscussionSPC2 hr
Jul 18, 12:44 PM MDTSevere Thunderstorm WatchSPC8 hr
Jul 18, 2:38 PM MDTMesoscale DiscussionSPC2 hr
Jul 18, 3:05 PM MDTSpecial Weather StatementGGW55 min
Jul 18, 4:22 PM MDTSpecial Weather StatementGGW53 min
Jul 18, 4:53 PM MDTSevere Thunderstorm WarningGGW36 min
Jul 18, 4:58 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW62 min
Jul 18, 5:00 PM MDTSevere Thunderstorm Warning Considerable damage threatGGW50 min
Jul 19, 2:25 AM MDTLake Wind AdvisoryGGW15 hr
Jul 22, 4:08 PM MDTLake Wind AdvisoryGGW6 hr
Jul 30, 3:04 AM MDTLake Wind AdvisoryGGW19 hr
Jul 30, 1:53 PM MDTFire Weather WatchGGW24 hr
Jul 31, 3:12 AM MDTHeat AdvisoryGGW41 hr
Jul 31, 2:11 PM MDTFire Weather WatchGGW13 hr
Jul 31, 2:11 PM MDTRed Flag WarningGGW30 hr
Aug 1, 2:46 AM MDTLake Wind AdvisoryGGW18 hr
Aug 1, 2:59 AM MDTRed Flag WarningGGW42 hr
Aug 2, 2:42 AM MDTLake Wind AdvisoryGGW18 hr
Aug 3, 2:53 AM MDTRed Flag WarningGGW42 hr
Aug 3, 3:10 AM MDTHeat AdvisoryGGW42 hr
Aug 4, 5:43 PM MDTSpecial Weather StatementGGW62 min
Aug 9, 2:42 AM MDTFire Weather WatchGGW12 hr
Aug 9, 2:22 PM MDTRed Flag WarningGGW31 hr
Aug 9, 2:24 PM MDTLake Wind AdvisoryGGW37 hr
Aug 12, 5:52 PM MDTMesoscale DiscussionSPC83 min
Aug 17, 4:42 PM MDTMesoscale DiscussionSPC93 min
Aug 23, 3:29 PM MDTSpecial Weather StatementGGW61 min
Aug 27, 2:44 AM MDTLake Wind AdvisoryGGW42 hr
Aug 27, 6:52 PM MDTSpecial Weather StatementGGW53 min
Aug 27, 7:45 PM MDTSpecial Weather StatementGGW60 min
Aug 31, 2:39 PM MDTFire Weather WatchGGW12 hr
Sep 1, 2:45 AM MDTRed Flag WarningGGW17 hr
Sep 2, 2:45 AM MDTFire Weather WatchGGW12 hr
Sep 2, 3:00 PM MDTFire Weather WatchGGW12 hr
Sep 2, 3:00 PM MDTRed Flag WarningGGW30 hr
Sep 2, 3:00 PM MDTHeat AdvisoryGGW30 hr
Sep 3, 3:00 AM MDTRed Flag WarningGGW42 hr
Sep 4, 2:26 AM MDTRed Flag WarningGGW42 hr
Sep 5, 2:40 PM MDTHeat AdvisoryGGW53 hr
Sep 5, 2:41 PM MDTFire Weather WatchGGW13 hr
Sep 6, 3:35 AM MDTRed Flag WarningGGW44 hr
Sep 7, 5:55 PM MDTSpecial Weather StatementGGW65 min
Sep 12, 2:02 PM MDTLake Wind AdvisoryGGW37 hr
Sep 21, 2:19 PM MDTLake Wind AdvisoryGGW31 hr
Sep 23, 2:23 AM MDTLake Wind AdvisoryGGW17 hr
Sep 24, 2:09 AM MDTLake Wind AdvisoryGGW16 hr
Oct 1, 2:57 PM MDTLake Wind AdvisoryGGW6 hr
Oct 5, 3:07 AM MDTLake Wind AdvisoryGGW29 hr
Oct 10, 2:29 PM MDTLake Wind AdvisoryGGW3 days
Oct 12, 2:29 AM MDTRed Flag WarningGGW16 hr
Oct 14, 8:30 PM MDTLake Wind AdvisoryGGW22 hr
Oct 18, 1:52 PM MDTFire Weather WatchGGW25 hr
Oct 19, 2:26 PM MDTRed Flag WarningGGW29 hr
Oct 19, 7:25 PM MDTLake Wind AdvisoryGGW26 hr
Oct 22, 2:22 AM MDTWinter Weather AdvisoryGGW58 hr
Oct 30, 2:28 AM MDTLake Wind AdvisoryGGW15 hr
Nov 1, 7:44 PM MDTLake Wind AdvisoryGGW38 hr
Nov 2, 9:56 AM MDTRed Flag WarningGGW7 hr
Nov 3, 2:32 PM MDTHigh Wind WatchGGW23 hr
Nov 4, 1:51 PM MDTHigh Wind WarningGGW46 hr
Nov 6, 2:29 AM MSTLake Wind AdvisoryGGW8 hr
Nov 6, 10:56 AM MSTLake Wind AdvisoryGGW27 hr
Nov 7, 2:18 PM MSTWinter Weather AdvisoryGGW36 hr
Nov 9, 2:25 AM MSTWinter Storm WarningGGW41 hr
Nov 10, 2:49 PM MSTWind Chill AdvisoryGGW20 hr
Nov 10, 2:49 PM MSTWinter Storm WarningGGW98 min
Nov 11, 2:33 AM MSTDense Fog AdvisoryGGW8 hr
Nov 11, 2:15 PM MSTDense Fog AdvisoryGGW20 hr
Nov 15, 2:27 PM MSTLake Wind AdvisoryGGW54 hr
Nov 17, 3:15 AM MSTWind Chill AdvisoryGGW30 hr
Nov 18, 3:04 AM MSTLake Wind AdvisoryGGW20 hr
Nov 26, 2:18 PM MSTLake Wind AdvisoryGGW3 days
Nov 30, 2:41 PM MSTWinter Weather AdvisoryGGW43 hr
Dec 4, 1:39 PM MSTWinter Weather AdvisoryGGW57 hr
Dec 6, 2:07 AM MSTWind Chill AdvisoryGGW33 hr
Dec 9, 1:51 PM MSTWinter Storm WatchGGW61 hr
Dec 12, 2:29 AM MSTWinter Storm WarningGGW3 days
Dec 12, 2:29 AM MSTWinter Weather AdvisoryGGW4 days
Dec 15, 11:25 AM MSTBlizzard WarningGGW22 hr
Dec 17, 2:14 AM MSTWinter Weather AdvisoryGGW33 hr
Dec 18, 2:35 AM MSTWind Chill AdvisoryGGW36 hr
Dec 18, 2:47 PM MSTWind Chill WarningGGW5 days
Dec 20, 2:46 AM MSTWinter Weather AdvisoryGGW30 hr
Dec 21, 2:21 PM MSTWinter Weather AdvisoryGGW27 hr
Dec 23, 11:51 AM MSTWind Chill AdvisoryGGW27 hr
Dec 24, 2:45 PM MSTWinter Weather AdvisoryGGW9 hr
Dec 24, 7:22 PM MSTWinter Storm WarningGGW22 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 archive20212023

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.