Alert archive / Montana / Treasure County

Weather alerts in Treasure County, Montana, 2016

96 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Treasure County and its neighbors

Each county as a circle sized by its count in 2016. Tap one for its archive.

Alerts
96
Warnings
17
Watches
13
Advisories
9
Busiest month
June20 alerts
Busiest day
December 11, 20165 alerts

Over time

By month

Warning verification

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

Treasure County, 2016

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings6350%367%14 min
Flash flood warnings00

Each office's whole area, 2016

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Billings, MT: tornado warnings40100%40%
NWS Billings, MT: severe thunderstorm warnings974257%16468%22 min
NWS Billings, MT: flash flood warnings20100%0

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 24, 4:35 AM MSTSpecial Weather StatementBYZ4 hr
Feb 5, 4:23 AM MSTHigh Wind WatchBYZ34 hr
Feb 5, 8:40 PM MSTHigh Wind WarningBYZ46 hr
Feb 6, 8:56 PM MSTSpecial Weather StatementBYZ64 min
Feb 15, 4:10 AM MSTHigh Wind WarningBYZ16 hr
Feb 17, 3:41 PM MSTHigh Wind WatchBYZ12 hr
Feb 18, 3:43 AM MSTHigh Wind WarningBYZ37 hr
Feb 18, 4:08 PM MSTSpecial Weather StatementBYZ52 min
Feb 18, 5:00 PM MSTSpecial Weather StatementBYZ60 min
Mar 14, 8:53 AM MDTSpecial Weather StatementBYZ112 min
Mar 25, 7:33 AM MDTSpecial Weather StatementBYZ3 hr
Mar 27, 5:23 AM MDTWinter Storm WatchBYZ48 hr
Apr 3, 3:10 PM MDTHigh Wind WatchBYZ24 hr
Apr 4, 3:17 PM MDTHigh Wind WarningBYZ29 hr
Apr 4, 10:51 PM MDTSpecial Weather StatementBYZ54 min
Apr 14, 4:48 PM MDTSpecial Weather StatementBYZ57 min
Apr 24, 6:09 PM MDTSpecial Weather StatementBYZ4 hr
May 21, 2:26 PM MDTSevere Thunderstorm WatchSPC7 hr
May 21, 4:16 PM MDTSevere Thunderstorm WarningBYZ59 min
May 21, 4:37 PM MDTMesoscale DiscussionSPC53 min
Jun 9, 1:01 PM MDTSevere Thunderstorm WatchSPC9 hr
Jun 9, 2:51 PM MDTMesoscale DiscussionSPC84 min
Jun 9, 6:05 PM MDTMesoscale DiscussionSPC85 min
Jun 9, 6:22 PM MDTSevere Thunderstorm WarningBYZ38 min
Jun 9, 6:57 PM MDTSevere Thunderstorm WarningBYZ63 min
Jun 11, 2:50 PM MDTMesoscale DiscussionSPC85 min
Jun 11, 3:00 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 11, 5:28 PM MDTMesoscale DiscussionSPC92 min
Jun 11, 7:36 PM MDTMesoscale DiscussionSPC84 min
Jun 11, 7:41 PM MDTSpecial Weather StatementBYZ64 min
Jun 13, 12:45 PM MDTSevere Thunderstorm WatchSPC9 hr
Jun 13, 2:51 PM MDTMesoscale DiscussionSPC54 min
Jun 13, 3:09 PM MDTSpecial Weather StatementBYZ66 min
Jun 13, 4:09 PM MDTSpecial Weather StatementBYZ66 min
Jun 20, 9:10 PM MDTRed Flag WarningBYZ27 hr
Jun 23, 3:27 PM MDTRed Flag WarningBYZ32 hr
Jun 24, 3:51 PM MDTMesoscale DiscussionSPC84 min
Jun 24, 6:15 PM MDTSpecial Weather StatementBYZ60 min
Jun 24, 6:44 PM MDTSpecial Weather StatementBYZ31 min
Jun 29, 12:47 PM MDTMesoscale DiscussionSPC88 min
Jul 2, 6:08 PM MDTSpecial Weather StatementBYZ52 min
Jul 4, 6:38 PM MDTSpecial Weather StatementBYZ67 min
Jul 6, 6:52 PM MDTSpecial Weather StatementBYZ38 min
Jul 8, 8:49 PM MDTSpecial Weather StatementBYZ71 min
Jul 9, 7:41 PM MDTSpecial Weather StatementBYZ64 min
Jul 15, 9:04 PM MDTSevere Thunderstorm WarningBYZ56 min
Jul 15, 10:03 PM MDTSpecial Weather StatementBYZ57 min
Jul 16, 12:23 PM MDTMesoscale DiscussionSPC3 hr
Jul 16, 2:33 PM MDTSevere Thunderstorm WatchSPC6 hr
Jul 19, 3:41 PM MDTMesoscale DiscussionSPC94 min
Jul 22, 11:13 AM MDTFire Weather WatchBYZ15 hr
Jul 22, 2:19 PM MDTMesoscale DiscussionSPC2 hr
Jul 23, 1:46 AM MDTRed Flag WarningBYZ19 hr
Jul 26, 9:48 PM MDTSpecial Weather StatementBYZ42 min
Jul 27, 1:35 PM MDTMesoscale DiscussionSPC2 hr
Jul 27, 6:41 PM MDTSevere Thunderstorm WarningBYZ64 min
Jul 27, 7:15 PM MDTSpecial Weather StatementBYZ45 min
Jul 27, 7:21 PM MDTSevere Thunderstorm WarningBYZ54 min
Aug 1, 2:28 PM MDTFire Weather WatchBYZ13 hr
Aug 2, 3:15 AM MDTRed Flag WarningBYZ42 hr
Aug 2, 1:46 PM MDTMesoscale DiscussionSPC119 min
Aug 6, 2:37 PM MDTMesoscale DiscussionSPC2 hr
Aug 6, 10:32 PM MDTSpecial Weather StatementBYZ58 min
Aug 6, 11:28 PM MDTSpecial Weather StatementBYZ62 min
Aug 15, 7:00 PM MDTSpecial Weather StatementBYZ60 min
Aug 31, 2:51 PM MDTFire Weather WatchBYZ21 hr
Sep 1, 11:26 AM MDTRed Flag WarningBYZ34 hr
Sep 1, 6:33 PM MDTMesoscale DiscussionSPC117 min
Sep 22, 2:47 AM MDTSpecial Weather StatementBYZ3 hr
Oct 1, 9:24 PM MDTSpecial Weather StatementBYZ36 min
Oct 2, 7:30 PM MDTSpecial Weather StatementBYZ45 min
Oct 2, 8:17 PM MDTSpecial Weather StatementBYZ28 min
Oct 3, 6:42 AM MDTSpecial Weather StatementBYZ48 min
Oct 7, 8:26 AM MDTSpecial Weather StatementBYZ94 min
Oct 10, 4:16 AM MDTWinter Weather AdvisoryBYZ40 hr
Nov 29, 9:49 AM MSTSpecial Weather StatementBYZ6 hr
Dec 4, 4:11 AM MSTWinter Weather AdvisoryBYZ34 hr
Dec 4, 8:09 PM MSTSpecial Weather StatementBYZ81 min
Dec 9, 9:45 AM MSTWinter Weather AdvisoryBYZ32 hr
Dec 11, 12:54 AM MSTSpecial Weather StatementBYZ4 hr
Dec 11, 1:01 AM MSTSpecial Weather StatementBYZ12 hr
Dec 11, 4:37 AM MSTDense Fog AdvisoryBYZ5 hr
Dec 11, 6:37 AM MSTSpecial Weather StatementBYZ68 min
Dec 11, 2:48 PM MSTWinter Weather AdvisoryBYZ24 hr
Dec 13, 3:21 PM MSTWinter Storm WatchBYZ23 hr
Dec 14, 4:59 AM MSTWinter Storm WarningBYZ71 hr
Dec 15, 3:26 PM MSTSpecial Weather StatementBYZ3 hr
Dec 15, 6:03 PM MSTSpecial Weather StatementBYZ117 min
Dec 16, 2:59 PM MSTWind Chill WarningBYZ20 hr
Dec 17, 8:50 AM MSTWinter Weather AdvisoryBYZ63 hr
Dec 17, 11:22 AM MSTWind Chill AdvisoryBYZ22 hr
Dec 20, 7:45 PM MSTSpecial Weather StatementBYZ30 min
Dec 20, 8:17 PM MSTSpecial Weather StatementBYZ43 min
Dec 23, 11:42 AM MSTWinter Weather AdvisoryBYZ67 hr
Dec 28, 2:26 AM MSTWinter Weather AdvisoryBYZ18 hr
Dec 30, 10:10 AM MSTSpecial Weather StatementBYZ4 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 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.