Alert archive / North Dakota / Sioux County / 2009

Weather alerts in Sioux County, North Dakota, September 2009

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

Alerts
13
Warnings
4
Watches
4
Advisories
1
Busiest day
September 11, 20095 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
Sep 8, 1:44 AM CDTMesoscale DiscussionSPC91 min
Sep 10, 4:53 PM CDTMesoscale DiscussionSPC97 min
Sep 10, 7:29 PM CDTSevere Thunderstorm WatchSPC7 hr
Sep 10, 10:28 PM CDTMesoscale DiscussionSPC92 min
Sep 10, 11:00 PM CDTSevere Thunderstorm WarningBIS60 min
Sep 10, 11:23 PM CDTAreal Flood AdvisoryBIS3 hr
Sep 10, 11:45 PM CDTMesoscale DiscussionSPC90 min
Sep 18, 3:54 AM CDTFire Weather WatchBIS25 hr
Sep 19, 4:31 AM CDTRed Flag WarningBIS15 hr
Sep 26, 3:56 AM CDTFire Weather WatchBIS24 hr
Sep 27, 3:34 AM CDTRed Flag WarningBIS17 hr
Sep 28, 4:13 AM CDTFire Weather WatchBIS24 hr
Sep 29, 4:02 AM CDTRed Flag WarningBIS16 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.