Alert archive / Nebraska / Cherry County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Cherry County, Nebraska, 2009

99 severe thunderstorm warnings in 2009. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.

Cherry County and its neighbors

Each county as a circle sized by its count in 2009. Tap one for its archive.

Severe Thunderstorm Warnings
99
Busiest month
June40 severe thunderstorm warnings
Busiest day
August 4, 20099 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.

44 of 99 severe thunderstorm warnings covering Cherry County in 2009 had a qualifying storm report inside them; 46 of 60 hail, wind and damage reports fell inside a warning, on average 23 minutes after it went out.

Cherry County, 2009

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Severe thunderstorm warnings994456%6077%23 min

Each office's whole area, 2009

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS North Platte, NE: severe thunderstorm warnings41619753%45676%22 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
Mar 23, 12:37 PM MDTSevere Thunderstorm WarningLBF38 min
Mar 23, 1:21 PM MDTSevere Thunderstorm WarningLBF39 min
Apr 29, 7:20 PM MDTSevere Thunderstorm WarningLBF55 min
Apr 29, 9:04 PM MDTSevere Thunderstorm WarningLBF56 min
May 12, 9:45 PM MDTSevere Thunderstorm WarningLBF45 min
May 24, 3:19 PM MDTSevere Thunderstorm WarningLBF56 min
May 29, 4:40 PM MDTSevere Thunderstorm WarningLBF50 min
May 31, 3:30 PM MDTSevere Thunderstorm WarningLBF23 min
May 31, 4:12 PM MDTSevere Thunderstorm WarningLBF63 min
May 31, 4:15 PM MDTSevere Thunderstorm WarningLBF60 min
May 31, 5:10 PM MDTSevere Thunderstorm WarningLBF24 min
Jun 5, 6:14 PM MDTSevere Thunderstorm WarningLBF46 min
Jun 5, 6:53 PM MDTSevere Thunderstorm WarningLBF52 min
Jun 5, 7:36 PM MDTSevere Thunderstorm WarningLBF39 min
Jun 6, 4:17 PM MDTSevere Thunderstorm WarningLBF48 min
Jun 6, 6:30 PM MDTSevere Thunderstorm WarningLBF60 min
Jun 13, 3:17 PM MDTSevere Thunderstorm WarningLBF58 min
Jun 13, 4:15 PM MDTSevere Thunderstorm WarningLBF60 min
Jun 13, 5:14 PM MDTSevere Thunderstorm WarningLBF61 min
Jun 13, 7:01 PM MDTSevere Thunderstorm WarningLBF44 min
Jun 13, 7:47 PM MDTSevere Thunderstorm WarningLBF43 min
Jun 13, 9:45 PM MDTSevere Thunderstorm WarningLBF45 min
Jun 13, 10:33 PM MDTSevere Thunderstorm WarningLBF42 min
Jun 15, 3:56 PM MDTSevere Thunderstorm WarningLBF64 min
Jun 15, 4:39 PM MDTSevere Thunderstorm WarningLBF66 min
Jun 15, 4:59 PM MDTSevere Thunderstorm WarningLBF36 min
Jun 15, 5:45 PM MDTSevere Thunderstorm WarningLBF30 min
Jun 15, 6:09 PM MDTSevere Thunderstorm WarningLBF66 min
Jun 15, 6:58 PM MDTSevere Thunderstorm WarningLBF22 min
Jun 17, 5:32 PM MDTSevere Thunderstorm WarningLBF58 min
Jun 17, 5:41 PM MDTSevere Thunderstorm WarningLBF64 min
Jun 17, 10:27 PM MDTSevere Thunderstorm WarningLBF48 min
Jun 17, 11:15 PM MDTSevere Thunderstorm WarningLBF45 min
Jun 17, 11:41 PM MDTSevere Thunderstorm WarningLBF49 min
Jun 17, 11:58 PM MDTSevere Thunderstorm WarningLBF47 min
Jun 18, 12:30 AM MDTSevere Thunderstorm WarningLBF30 min
Jun 18, 12:44 AM MDTSevere Thunderstorm WarningLBF46 min
Jun 18, 1:01 AM MDTSevere Thunderstorm WarningLBF29 min
Jun 18, 10:36 PM MDTSevere Thunderstorm WarningLBF39 min
Jun 23, 1:49 AM MDTSevere Thunderstorm WarningLBF71 min
Jun 23, 2:00 AM MDTSevere Thunderstorm WarningLBF60 min
Jun 23, 2:30 AM MDTSevere Thunderstorm WarningLBF30 min
Jun 25, 6:04 PM MDTSevere Thunderstorm WarningLBF56 min
Jun 25, 6:13 PM MDTSevere Thunderstorm WarningLBF62 min
Jun 26, 5:55 PM MDTSevere Thunderstorm WarningLBF35 min
Jun 26, 6:19 PM MDTSevere Thunderstorm WarningLBF56 min
Jun 26, 6:23 PM MDTSevere Thunderstorm WarningLBF67 min
Jun 26, 6:59 PM MDTSevere Thunderstorm WarningLBF44 min
Jun 26, 7:16 PM MDTSevere Thunderstorm WarningLBF59 min
Jun 26, 7:41 PM MDTSevere Thunderstorm WarningLBF64 min
Jun 26, 8:22 PM MDTSevere Thunderstorm WarningLBF53 min
Jul 2, 5:53 PM MDTSevere Thunderstorm WarningLBF37 min
Jul 2, 6:30 PM MDTSevere Thunderstorm WarningLBF30 min
Jul 3, 3:11 PM MDTSevere Thunderstorm WarningLBF33 min
Jul 7, 10:16 PM MDTSevere Thunderstorm WarningLBF59 min
Jul 7, 10:57 PM MDTSevere Thunderstorm WarningLBF63 min
Jul 11, 7:40 AM MDTSevere Thunderstorm WarningLBF50 min
Jul 11, 8:24 AM MDTSevere Thunderstorm WarningLBF51 min
Jul 13, 6:39 PM MDTSevere Thunderstorm WarningLBF66 min
Jul 13, 8:02 PM MDTSevere Thunderstorm WarningLBF26 min
Jul 13, 8:44 PM MDTSevere Thunderstorm WarningLBF29 min
Jul 20, 1:52 PM MDTSevere Thunderstorm WarningLBF53 min
Jul 20, 2:22 PM MDTSevere Thunderstorm WarningLBF53 min
Jul 20, 2:55 PM MDTSevere Thunderstorm WarningLBF50 min
Jul 20, 3:02 PM MDTSevere Thunderstorm WarningLBF43 min
Jul 20, 3:39 PM MDTSevere Thunderstorm WarningLBF51 min
Jul 20, 4:24 PM MDTSevere Thunderstorm WarningLBF36 min
Jul 23, 3:39 PM MDTSevere Thunderstorm WarningLBF66 min
Aug 3, 6:39 PM MDTSevere Thunderstorm WarningLBF51 min
Aug 3, 7:27 PM MDTSevere Thunderstorm WarningLBF48 min
Aug 3, 7:38 PM MDTSevere Thunderstorm WarningLBF26 min
Aug 3, 7:44 PM MDTSevere Thunderstorm WarningLBF46 min
Aug 3, 8:09 PM MDTSevere Thunderstorm WarningLBF66 min
Aug 3, 8:27 PM MDTSevere Thunderstorm WarningLBF48 min
Aug 3, 9:19 PM MDTSevere Thunderstorm WarningLBF41 min
Aug 3, 9:25 PM MDTSevere Thunderstorm WarningLBF50 min
Aug 3, 10:16 PM MDTSevere Thunderstorm WarningLBF44 min
Aug 4, 9:47 PM MDTSevere Thunderstorm WarningLBF58 min
Aug 4, 10:40 PM MDTSevere Thunderstorm WarningLBF65 min
Aug 4, 11:44 PM MDTSevere Thunderstorm WarningLBF46 min
Aug 5, 5:21 AM MDTSevere Thunderstorm WarningLBF24 min
Aug 6, 7:30 PM MDTSevere Thunderstorm WarningLBF45 min
Aug 8, 8:57 AM MDTSevere Thunderstorm WarningLBF48 min
Aug 8, 9:53 AM MDTSevere Thunderstorm WarningLBF52 min
Aug 8, 10:20 AM MDTSevere Thunderstorm WarningLBF40 min
Aug 8, 10:55 AM MDTSevere Thunderstorm WarningLBF50 min
Aug 9, 7:01 PM MDTSevere Thunderstorm WarningLBF44 min
Aug 12, 5:56 PM MDTSevere Thunderstorm WarningLBF39 min
Aug 14, 3:50 PM MDTSevere Thunderstorm WarningLBF55 min
Aug 15, 5:33 PM MDTSevere Thunderstorm WarningLBF57 min
Aug 15, 5:45 PM MDTSevere Thunderstorm WarningLBF60 min
Aug 15, 6:36 PM MDTSevere Thunderstorm WarningLBF54 min
Aug 15, 7:23 PM MDTSevere Thunderstorm WarningLBF67 min
Aug 15, 8:15 PM MDTSevere Thunderstorm WarningLBF60 min
Sep 8, 3:23 PM MDTSevere Thunderstorm WarningLBF67 min
Sep 8, 4:27 PM MDTSevere Thunderstorm WarningLBF48 min
Sep 8, 4:52 PM MDTSevere Thunderstorm WarningLBF53 min
Sep 8, 5:17 PM MDTSevere Thunderstorm WarningLBF43 min
Sep 30, 8:21 PM MDTSevere Thunderstorm WarningLBF54 min

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20082010

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.