Alert archive / Colorado / Elbert County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Elbert County, Colorado, 2014

50 severe thunderstorm warnings in 2014. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.

Elbert County and its neighbors

Each county as a circle sized by its count in 2014. Tap one for its archive.

Severe Thunderstorm Warnings
50
Busiest month
June24 severe thunderstorm warnings
Busiest day
June 5, 201410 severe thunderstorm warnings

Over time

By month

Warning verification

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

17 of 50 severe thunderstorm warnings covering Elbert County in 2014 had a qualifying storm report inside them; 16 of 23 hail, wind and damage reports fell inside a warning, on average 14 minutes after it went out.

Elbert County, 2014

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Severe thunderstorm warnings501766%2370%14 min

Each office's whole area, 2014

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Denver/Boulder, CO: severe thunderstorm warnings2779466%29363%16 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
May 20, 5:36 PM MDTSevere Thunderstorm WarningBOU39 min
May 20, 6:19 PM MDTSevere Thunderstorm WarningBOU41 min
May 21, 3:57 PM MDTSevere Thunderstorm WarningBOU48 min
May 22, 4:06 PM MDTSevere Thunderstorm WarningBOU39 min
Jun 4, 7:16 PM MDTSevere Thunderstorm WarningBOU44 min
Jun 4, 8:26 PM MDTSevere Thunderstorm WarningBOU49 min
Jun 4, 8:41 PM MDTSevere Thunderstorm WarningBOU34 min
Jun 4, 9:15 PM MDTSevere Thunderstorm WarningBOU45 min
Jun 4, 9:19 PM MDTSevere Thunderstorm WarningBOU41 min
Jun 4, 9:50 PM MDTSevere Thunderstorm WarningBOU40 min
Jun 5, 2:58 PM MDTSevere Thunderstorm WarningBOU47 min
Jun 5, 3:42 PM MDTSevere Thunderstorm WarningBOU33 min
Jun 5, 4:13 PM MDTSevere Thunderstorm WarningBOU47 min
Jun 5, 4:50 PM MDTSevere Thunderstorm WarningBOU40 min
Jun 5, 6:11 PM MDTSevere Thunderstorm WarningBOU17 min
Jun 5, 7:40 PM MDTSevere Thunderstorm WarningBOU35 min
Jun 5, 8:39 PM MDTSevere Thunderstorm WarningBOU36 min
Jun 6, 3:22 AM MDTSevere Thunderstorm WarningBOU38 min
Jun 6, 2:08 PM MDTSevere Thunderstorm WarningBOU33 min
Jun 14, 4:21 PM MDTSevere Thunderstorm WarningBOU24 min
Jun 14, 4:41 PM MDTSevere Thunderstorm WarningBOU34 min
Jun 23, 3:40 PM MDTSevere Thunderstorm WarningBOU35 min
Jun 24, 3:53 PM MDTSevere Thunderstorm WarningBOU24 min
Jun 24, 7:06 PM MDTSevere Thunderstorm WarningBOU24 min
Jun 24, 7:27 PM MDTSevere Thunderstorm WarningBOU33 min
Jun 24, 8:08 PM MDTSevere Thunderstorm WarningBOU22 min
Jun 26, 4:39 PM MDTSevere Thunderstorm WarningBOU13 min
Jun 27, 3:08 PM MDTSevere Thunderstorm WarningBOU52 min
Jul 3, 5:58 PM MDTSevere Thunderstorm WarningBOU32 min
Jul 3, 6:29 PM MDTSevere Thunderstorm WarningBOU31 min
Jul 3, 6:59 PM MDTSevere Thunderstorm WarningBOU31 min
Jul 3, 7:15 PM MDTSevere Thunderstorm WarningBOU30 min
Jul 7, 8:01 PM MDTSevere Thunderstorm WarningBOU44 min
Jul 7, 8:20 PM MDTSevere Thunderstorm WarningBOU40 min
Jul 12, 5:50 PM MDTSevere Thunderstorm WarningBOU25 min
Jul 12, 6:16 PM MDTSevere Thunderstorm WarningBOU29 min
Jul 24, 7:39 PM MDTSevere Thunderstorm WarningBOU21 min
Aug 7, 12:40 PM MDTSevere Thunderstorm WarningBOU50 min
Aug 7, 3:04 PM MDTSevere Thunderstorm WarningBOU56 min
Aug 7, 3:40 PM MDTSevere Thunderstorm WarningBOU50 min
Aug 7, 5:32 PM MDTSevere Thunderstorm WarningBOU58 min
Aug 7, 5:43 PM MDTSevere Thunderstorm WarningBOU62 min
Aug 8, 2:30 PM MDTSevere Thunderstorm WarningBOU30 min
Aug 9, 2:29 PM MDTSevere Thunderstorm WarningBOU24 min
Aug 25, 4:52 PM MDTSevere Thunderstorm WarningBOU23 min
Aug 25, 8:10 PM MDTSevere Thunderstorm WarningBOU33 min
Sep 29, 2:56 PM MDTSevere Thunderstorm WarningBOU64 min
Sep 29, 3:06 PM MDTSevere Thunderstorm WarningBOU39 min
Sep 29, 3:42 PM MDTSevere Thunderstorm WarningBOU31 min
Oct 1, 4:38 PM MDTSevere Thunderstorm WarningBOU52 min

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20132015

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.