Alert archive / Iowa / Sioux County

Weather alerts in Sioux County, Iowa, 1998

26 weather alerts in 1998, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Sioux County and its neighbors

Each county as a circle sized by its count in 1998. Tap one for its archive.

Alerts
26
Warnings
11
Watches
15
Advisories
0
Busiest month
May7 alerts
Busiest day
May 15, 19984 alerts

Over time

By month

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
Mar 29, 2:00 PM CSTTornado WatchSPC6 hr
Apr 12, 3:30 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 12, 5:45 PM CDTSevere Thunderstorm WarningFSD30 min
May 15, 9:45 AM CDTSevere Thunderstorm WatchSPC5 hr
May 15, 11:14 AM CDTSevere Thunderstorm WarningFSD31 min
May 15, 3:00 PM CDTTornado WatchSPC6 hr
May 15, 4:24 PM CDTTornado WarningFSD31 min
May 28, 2:30 PM CDTSevere Thunderstorm WarningFSD35 min
May 30, 8:30 PM CDTTornado WatchSPC7 hr
May 30, 10:08 PM CDTSevere Thunderstorm WarningFSD32 min
Jun 23, 7:30 PM CDTTornado WatchSPC6 hr
Jun 23, 8:39 PM CDTTornado WarningFSD31 min
Jun 24, 6:30 PM CDTTornado WatchSPC7 hr
Jun 27, 4:00 PM CDTTornado WatchSPC6 hr
Jun 29, 11:15 AM CDTTornado WatchSPC6 hr
Jul 6, 5:15 PM CDTTornado WatchSPC6 hr
Jul 18, 8:45 PM CDTTornado WatchSPC6 hr
Jul 18, 9:45 PM CDTSevere Thunderstorm WarningFSD45 min
Jul 21, 6:15 AM CDTSevere Thunderstorm WatchSPC6 hr
Jul 21, 6:16 AM CDTSevere Thunderstorm WarningFSD44 min
Aug 20, 5:01 PM CDTSevere Thunderstorm WarningFSD44 min
Aug 24, 7:45 AM CDTSevere Thunderstorm WatchSPC5 hr
Aug 24, 9:19 AM CDTSevere Thunderstorm WarningFSD61 min
Aug 24, 9:22 AM CDTTornado WarningFSD48 min
Sep 25, 7:00 PM CDTSevere Thunderstorm WatchSPC6 hr
Sep 25, 11:30 PM CDTSevere Thunderstorm WatchSPC7 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 archive19971999

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. Rebuilt daily.