Alert archive / Montana / Musselshell County

Weather alerts in Musselshell County, Montana, 2019

112 weather alerts in 2019, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Musselshell County and its neighbors

Each county as a circle sized by its count in 2019. Tap one for its archive.

Alerts
112
Warnings
22
Watches
13
Advisories
15
Busiest month
July32 alerts
Busiest day
June 28, 20197 alerts

Over time

By month

Warning verification

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

0 of 1 tornado warnings covering Musselshell County in 2019 had a tornado report inside them.

Musselshell County, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings10100%0
Severe thunderstorm warnings13377%560%18 min
Flash flood warnings00

Each office's whole area, 2019

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Billings, MT: tornado warnings30100%40%
NWS Billings, MT: severe thunderstorm warnings1858355%23373%29 min
NWS Billings, MT: flash flood warnings12467%1267%171 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 7, 9:46 AM MSTSpecial Weather StatementBYZ44 min
Jan 17, 12:24 AM MSTDense Fog AdvisoryBYZ6 hr
Jan 25, 3:24 PM MSTHigh Wind WarningBYZ59 hr
Feb 1, 4:08 AM MSTWinter Storm WatchBYZ24 hr
Feb 2, 3:45 AM MSTWinter Storm WarningBYZ48 hr
Feb 3, 11:46 AM MSTWind Chill AdvisoryBYZ5 days
Feb 8, 12:07 PM MSTWind Chill AdvisoryBYZ48 hr
Feb 12, 2:04 PM MSTWinter Weather AdvisoryBYZ40 hr
Feb 14, 2:40 PM MSTWinter Weather AdvisoryBYZ25 hr
Feb 16, 3:18 PM MSTWind Chill AdvisoryBYZ39 hr
Feb 22, 3:06 AM MSTWinter Storm WatchBYZ48 hr
Feb 23, 3:00 AM MSTWinter Storm WarningBYZ6 days
Feb 23, 3:00 AM MSTWinter Weather AdvisoryBYZ6 days
Feb 24, 4:44 PM MSTMesoscale DiscussionSPC6 hr
Mar 1, 1:14 PM MSTWind Chill AdvisoryBYZ70 hr
Mar 1, 6:41 PM MSTSpecial Weather StatementBYZ79 min
Mar 2, 3:10 PM MSTWind Chill WarningBYZ44 hr
Mar 4, 2:59 PM MSTWind Chill AdvisoryBYZ19 hr
Mar 27, 3:24 AM MDTWinter Weather AdvisoryBYZ47 hr
Apr 28, 3:20 AM MDTHigh Wind WarningBYZ20 hr
Apr 29, 4:00 AM MDTWinter Weather AdvisoryBYZ54 hr
May 5, 7:58 AM MDTSpecial Weather StatementBYZ4 hr
May 14, 3:47 PM MDTSpecial Weather StatementBYZ43 min
May 14, 4:29 PM MDTSpecial Weather StatementBYZ46 min
May 14, 4:34 PM MDTSevere Thunderstorm WarningBYZ41 min
May 14, 5:00 PM MDTMesoscale DiscussionSPC90 min
May 20, 2:43 PM MDTFlood WatchBYZ48 hr
May 26, 7:04 PM MDTSevere Thunderstorm WarningBYZ56 min
May 26, 7:52 PM MDTSevere Thunderstorm WarningBYZ53 min
May 26, 9:26 PM MDTSevere Thunderstorm WarningBYZ34 min
Jun 14, 12:21 PM MDTMesoscale DiscussionSPC114 min
Jun 14, 1:14 PM MDTSpecial Weather StatementGGW61 min
Jun 14, 1:36 PM MDTSpecial Weather StatementBYZ39 min
Jun 14, 2:04 PM MDTSevere Thunderstorm WarningBYZ56 min
Jun 14, 2:56 PM MDTSpecial Weather StatementBYZ49 min
Jun 20, 1:59 PM MDTSpecial Weather StatementBYZ61 min
Jun 20, 3:27 PM MDTMesoscale DiscussionSPC63 min
Jun 25, 3:02 PM MDTSpecial Weather StatementBYZ43 min
Jun 26, 1:48 PM MDTMesoscale DiscussionSPC117 min
Jun 26, 2:16 PM MDTSevere Thunderstorm WatchSPC8 hr
Jun 26, 6:03 PM MDTMesoscale DiscussionSPC57 min
Jun 27, 6:03 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 27, 7:45 PM MDTSevere Thunderstorm WarningBYZ60 min
Jun 27, 7:50 PM MDTMesoscale DiscussionSPC85 min
Jun 27, 8:24 PM MDTTornado WarningBYZ36 min
Jun 27, 8:45 PM MDTSevere Thunderstorm WarningBYZ62 min
Jun 28, 2:36 PM MDTMesoscale DiscussionSPC114 min
Jun 28, 4:45 PM MDTTornado WatchSPC7 hr
Jun 29, 10:46 PM MDTSpecial Weather StatementBYZ59 min
Jun 30, 4:34 PM MDTMesoscale DiscussionSPC86 min
Jul 1, 3:58 PM MDTSpecial Weather StatementBYZ47 min
Jul 1, 4:40 PM MDTMesoscale DiscussionSPC95 min
Jul 1, 4:45 PM MDTSpecial Weather StatementBYZ45 min
Jul 1, 4:57 PM MDTSevere Thunderstorm WarningBYZ48 min
Jul 7, 1:44 PM MDTMesoscale DiscussionSPC2 hr
Jul 7, 2:58 PM MDTSevere Thunderstorm WatchSPC9 hr
Jul 7, 3:51 PM MDTSpecial Weather StatementBYZ39 min
Jul 7, 6:27 PM MDTMesoscale DiscussionSPC2 hr
Jul 8, 5:19 AM MDTSpecial Weather StatementBYZ41 min
Jul 8, 12:53 PM MDTMesoscale DiscussionSPC2 hr
Jul 8, 1:25 PM MDTSevere Thunderstorm WatchSPC10 hr
Jul 11, 1:44 PM MDTMesoscale DiscussionSPC2 hr
Jul 11, 6:23 PM MDTSevere Thunderstorm WarningBYZ37 min
Jul 11, 6:57 PM MDTSevere Thunderstorm WarningBYZ33 min
Jul 11, 7:29 PM MDTSevere Thunderstorm WarningBYZ46 min
Jul 11, 8:10 PM MDTSpecial Weather StatementBYZ50 min
Jul 12, 7:13 PM MDTMesoscale DiscussionSPC2 hr
Jul 12, 8:39 PM MDTSpecial Weather StatementBYZ66 min
Jul 12, 9:36 PM MDTSpecial Weather StatementBYZ54 min
Jul 13, 4:10 PM MDTMesoscale DiscussionSPC2 hr
Jul 13, 5:19 PM MDTSpecial Weather StatementBYZ41 min
Jul 14, 2:48 PM MDTMesoscale DiscussionSPC2 hr
Jul 14, 6:15 PM MDTMesoscale DiscussionSPC2 hr
Jul 14, 7:36 PM MDTSpecial Weather StatementBYZ39 min
Jul 15, 1:36 PM MDTMesoscale DiscussionSPC2 hr
Jul 16, 12:56 PM MDTMesoscale DiscussionSPC94 min
Jul 16, 1:28 PM MDTSevere Thunderstorm WatchSPC8 hr
Jul 16, 5:28 PM MDTSpecial Weather StatementTFX32 min
Jul 23, 4:13 PM MDTMesoscale DiscussionSPC2 hr
Jul 23, 10:40 PM MDTSpecial Weather StatementBYZ50 min
Jul 30, 4:52 PM MDTMesoscale DiscussionSPC83 min
Jul 30, 5:19 PM MDTSpecial Weather StatementBYZ41 min
Aug 1, 6:53 PM MDTSpecial Weather StatementBYZ37 min
Aug 10, 12:44 PM MDTMesoscale DiscussionSPC91 min
Aug 10, 3:04 PM MDTSevere Thunderstorm WatchSPC7 hr
Aug 10, 4:53 PM MDTMesoscale DiscussionSPC2 hr
Aug 10, 8:34 PM MDTMesoscale DiscussionSPC86 min
Aug 11, 11:33 AM MDTMesoscale DiscussionSPC87 min
Aug 11, 1:59 PM MDTTornado WatchSPC10 hr
Aug 11, 5:54 PM MDTMesoscale DiscussionSPC66 min
Aug 11, 6:35 PM MDTSevere Thunderstorm WarningBYZ40 min
Aug 11, 7:06 PM MDTSevere Thunderstorm WarningBYZ39 min
Aug 18, 7:38 AM MDTSpecial Weather StatementBYZ82 min
Aug 22, 8:22 PM MDTSpecial Weather StatementBYZ53 min
Aug 22, 9:10 PM MDTSpecial Weather StatementTFX50 min
Sep 3, 9:30 AM MDTRed Flag WarningBYZ36 hr
Oct 6, 1:56 PM MDTWinter Storm WatchBYZ49 hr
Oct 8, 4:02 AM MDTWinter Storm WarningBYZ47 hr
Oct 9, 4:52 AM MDTMesoscale DiscussionSPC4 hr
Oct 22, 2:50 PM MDTMesoscale DiscussionSPC2 hr
Nov 4, 7:51 PM MSTSpecial Weather StatementBYZ4 hr
Nov 5, 3:10 AM MSTWinter Weather AdvisoryBYZ32 hr
Nov 8, 2:39 PM MSTWinter Weather AdvisoryBYZ54 hr
Nov 10, 2:59 AM MSTSpecial Weather StatementBYZ3 hr
Nov 10, 12:50 PM MSTSpecial Weather StatementBYZ25 min
Nov 26, 9:45 AM MSTWinter Storm WatchBYZ25 hr
Nov 27, 10:22 AM MSTWinter Storm WarningBYZ3 days
Dec 7, 3:14 AM MSTWinter Weather AdvisoryBYZ41 hr
Dec 13, 5:08 PM MSTSpecial Weather StatementBYZ3 hr
Dec 13, 7:26 PM MSTDense Fog AdvisoryBYZ15 hr
Dec 14, 10:51 AM MSTSpecial Weather StatementBYZ114 min
Dec 24, 11:28 PM MSTSpecial Weather StatementBYZ2 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 archive20182020

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.