Alert archive / Wyoming / Teton County

Weather alerts in Teton County, Wyoming, 2016

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

Teton County and its neighbors

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

Alerts
109
Warnings
31
Watches
20
Advisories
26
Busiest month
August21 alerts
Busiest day
August 7, 201610 alerts

Over time

By month

Warning verification

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

Teton County, 2016

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings5260%1100%19 min
Flash flood warnings10100%0

Each office's whole area, 2016

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Riverton, WY: tornado warnings30100%0
NWS Riverton, WY: severe thunderstorm warnings461078%3339%18 min
NWS Riverton, WY: flash flood warnings50100%10%

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 15, 2:05 PM MSTWinter Weather AdvisoryRIW38 hr
Jan 17, 2:58 PM MSTWinter Weather AdvisoryRIW26 hr
Jan 19, 4:24 AM MSTWinter Storm WatchRIW7 hr
Jan 19, 11:46 AM MSTWinter Weather AdvisoryRIW31 hr
Jan 23, 1:41 AM MSTWinter Weather AdvisoryRIW57 hr
Jan 28, 1:27 AM MSTWinter Storm WatchRIW12 hr
Jan 28, 1:51 PM MSTWinter Storm WarningRIW51 hr
Jan 28, 1:51 PM MSTWinter Weather AdvisoryRIW51 hr
Feb 13, 11:51 AM MSTWinter Storm WarningRIW51 hr
Feb 13, 11:51 AM MSTWinter Weather AdvisoryRIW59 hr
Feb 16, 1:54 PM MSTWinter Storm WatchRIW25 hr
Feb 17, 3:11 PM MSTWinter Storm WarningRIW34 hr
Feb 17, 3:11 PM MSTWinter Weather AdvisoryRIW34 hr
Mar 12, 12:44 PM MSTWinter Storm WatchRIW22 hr
Mar 13, 3:14 AM MDTWinter Storm WarningRIW42 hr
Mar 14, 8:54 PM MDTWinter Weather AdvisoryRIW27 hr
Mar 21, 12:56 AM MDTWinter Weather AdvisoryRIW59 hr
Mar 24, 5:34 PM MDTSpecial Weather StatementRIW41 min
Mar 24, 7:15 PM MDTSpecial Weather StatementRIW45 min
Mar 28, 1:16 PM MDTWinter Weather AdvisoryRIW53 hr
Apr 23, 2:45 AM MDTWinter Weather AdvisoryRIW42 hr
May 7, 7:39 AM MDTFlash Flood WatchRIW43 hr
May 8, 6:18 PM MDTSpecial Weather StatementRIW57 min
May 8, 8:02 PM MDTSevere Thunderstorm WarningRIW28 min
May 8, 8:16 PM MDTSevere Thunderstorm WarningRIW18 min
May 8, 8:41 PM MDTFlash Flood WarningRIW3 hr
May 14, 4:59 PM MDTSpecial Weather StatementRIW46 min
Jun 6, 4:32 PM MDTSpecial Weather StatementRIW43 min
Jun 6, 5:34 PM MDTSpecial Weather StatementRIW41 min
Jun 13, 4:22 PM MDTSpecial Weather StatementRIW38 min
Jun 15, 4:45 PM MDTSpecial Weather StatementRIW30 min
Jun 15, 5:13 PM MDTSpecial Weather StatementRIW47 min
Jun 22, 9:05 PM MDTRed Flag WarningRIW72 hr
Jun 28, 5:31 PM MDTSpecial Weather StatementRIW44 min
Jun 29, 6:19 PM MDTSpecial Weather StatementRIW41 min
Jul 1, 4:23 PM MDTSpecial Weather StatementRIW52 min
Jul 1, 4:32 PM MDTAreal Flood AdvisoryRIW3 hr
Jul 1, 5:49 PM MDTSpecial Weather StatementRIW41 min
Jul 10, 9:35 AM MDTSpecial Weather StatementRIW40 min
Jul 10, 12:55 PM MDTSevere Thunderstorm WarningRIW24 min
Jul 10, 4:52 PM MDTSpecial Weather StatementRIW38 min
Jul 11, 1:32 PM MDTFreeze WarningRIW19 hr
Jul 18, 1:59 PM MDTFire Weather WatchRIW36 hr
Jul 20, 1:52 AM MDTRed Flag WarningRIW19 hr
Jul 21, 2:06 PM MDTFire Weather WatchRIW12 hr
Jul 22, 2:16 AM MDTRed Flag WarningRIW19 hr
Jul 29, 10:49 AM MDTFire Weather WatchRIW15 hr
Jul 30, 1:55 AM MDTRed Flag WarningRIW18 hr
Jul 30, 2:47 PM MDTSpecial Weather StatementRIW28 min
Aug 2, 9:09 AM MDTRed Flag WarningRIW12 hr
Aug 2, 9:09 AM MDTRed Flag WarningRIW36 hr
Aug 6, 2:37 PM MDTMesoscale DiscussionSPC2 hr
Aug 7, 10:28 AM MDTSpecial Weather StatementRIW32 min
Aug 7, 10:52 AM MDTSpecial Weather StatementRIW23 min
Aug 7, 10:57 AM MDTSevere Thunderstorm WarningRIW48 min
Aug 7, 11:39 AM MDTMesoscale DiscussionSPC3 hr
Aug 7, 12:58 PM MDTSpecial Weather StatementRIW32 min
Aug 7, 1:19 PM MDTSevere Thunderstorm WarningRIW41 min
Aug 7, 1:33 PM MDTSpecial Weather StatementRIW27 min
Aug 7, 2:07 PM MDTMesoscale DiscussionSPC2 hr
Aug 7, 2:10 PM MDTSpecial Weather StatementRIW35 min
Aug 7, 3:38 PM MDTSpecial Weather StatementRIW37 min
Aug 7, 9:28 PM MDTFire Weather WatchRIW24 hr
Aug 8, 9:34 PM MDTRed Flag WarningRIW23 hr
Aug 20, 12:27 PM MDTFire Weather WatchRIW14 hr
Aug 21, 2:22 AM MDTRed Flag WarningRIW19 hr
Aug 21, 2:01 PM MDTRed Flag WarningRIW31 hr
Aug 22, 11:19 AM MDTRed Flag WarningRIW34 hr
Aug 26, 1:29 PM MDTFire Weather WatchRIW12 hr
Aug 27, 1:58 AM MDTRed Flag WarningRIW41 hr
Aug 31, 8:32 PM MDTFire Weather WatchRIW23 hr
Aug 31, 8:32 PM MDTRed Flag WarningRIW48 hr
Sep 5, 2:49 AM MDTFreeze WatchRIW12 hr
Sep 5, 3:03 PM MDTFreeze WarningRIW18 hr
Sep 9, 12:07 PM MDTFire Weather WatchRIW15 hr
Sep 10, 3:02 AM MDTFire Weather WatchRIW18 hr
Sep 10, 3:02 AM MDTRed Flag WarningRIW42 hr
Sep 21, 12:32 PM MDTFlash Flood WatchRIW56 hr
Sep 22, 8:04 PM MDTSpecial Weather StatementRIW56 min
Oct 1, 3:41 PM MDTSpecial Weather StatementRIW34 min
Oct 2, 6:23 AM MDTSpecial Weather StatementRIW37 min
Oct 2, 6:49 AM MDTSpecial Weather StatementRIW41 min
Oct 2, 12:12 PM MDTSpecial Weather StatementRIW48 min
Oct 2, 12:15 PM MDTWinter Weather AdvisoryRIW48 hr
Oct 2, 12:38 PM MDTMesoscale DiscussionSPC3 hr
Oct 2, 12:49 PM MDTSpecial Weather StatementRIW41 min
Oct 4, 1:39 PM MDTWinter Weather AdvisoryRIW22 hr
Oct 14, 1:16 AM MDTWinter Weather AdvisoryRIW29 hr
Oct 15, 10:36 PM MDTWinter Weather AdvisoryRIW38 hr
Oct 17, 10:21 PM MDTWinter Weather AdvisoryRIW27 hr
Oct 27, 10:26 PM MDTWinter Weather AdvisoryRIW36 hr
Nov 15, 9:45 PM MSTWinter Weather AdvisoryRIW47 hr
Nov 20, 12:16 PM MSTWinter Weather AdvisoryRIW41 hr
Nov 23, 1:20 AM MSTWinter Weather AdvisoryRIW25 hr
Nov 28, 2:13 AM MSTWinter Weather AdvisoryRIW12 hr
Dec 2, 9:25 PM MSTWinter Storm WatchRIW14 hr
Dec 3, 11:53 AM MSTWinter Storm WarningRIW45 hr
Dec 7, 3:30 AM MSTWinter Storm WatchRIW26 hr
Dec 8, 5:26 AM MSTWinter Storm WarningRIW58 hr
Dec 11, 2:24 AM MSTWinter Weather AdvisoryRIW39 hr
Dec 13, 3:08 AM MSTWinter Storm WatchRIW57 hr
Dec 14, 3:32 AM MSTWinter Storm WarningRIW68 hr
Dec 19, 12:50 PM MSTWinter Storm WarningRIW25 hr
Dec 19, 12:50 PM MSTWinter Weather AdvisoryRIW35 hr
Dec 24, 1:51 AM MSTWinter Weather AdvisoryRIW45 hr
Dec 24, 1:38 PM MSTWinter Storm WarningRIW21 hr
Dec 26, 8:40 AM MSTWinter Weather AdvisoryRIW53 hr
Dec 26, 10:44 AM MSTWinter Storm WatchRIW11 hr
Dec 26, 9:40 PM MSTWinter Storm WarningRIW40 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.