Alert archive / North Dakota / McHenry County / 2009

Weather alerts in McHenry County, North Dakota, May 2009

11 weather alerts in May 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Alerts
11
Warnings
5
Watches
3
Advisories
2
Busiest day
May 12, 20094 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeLasted
May 12, 3:19 PM CDTMesoscale DiscussionSPC56 min
May 12, 3:36 PM CDTSevere Thunderstorm WatchSPC7 hr
May 12, 5:15 PM CDTSevere Thunderstorm WarningBIS60 min
May 12, 5:46 PM CDTSevere Thunderstorm WarningBIS29 min
May 12, 7:09 PM CDTSevere Thunderstorm WarningBIS66 min
May 13, 3:27 AM CDTWind AdvisoryBIS18 hr
May 14, 3:15 PM CDTFreeze WatchBIS25 hr
May 15, 3:46 PM CDTFreeze WarningBIS17 hr
May 17, 4:57 AM CDTFreeze WatchBIS35 hr
May 18, 4:09 PM CDTFreeze WarningBIS17 hr
May 22, 3:45 PM CDTFrost AdvisoryBIS17 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

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.