Alert archive / South Dakota / Sully County

Weather alerts in Sully County, South Dakota, 1987

9 weather alerts in 1987, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Sully County and its neighbors

Each county as a circle sized by its count in 1987. Tap one for its archive.

Alerts
9
Warnings
9
Watches
0
Advisories
0
Busiest month
July4 alerts
Busiest day
August 5, 19873 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
Jun 16, 10:02 PM CDTSevere Thunderstorm WarningABR58 min
Jul 9, 5:26 PM CDTSevere Thunderstorm WarningABR64 min
Jul 9, 6:05 PM CDTTornado WarningABR40 min
Jul 10, 5:53 PM CDTTornado WarningABR37 min
Jul 11, 5:25 PM CDTTornado WarningABR35 min
Aug 5, 4:28 PM CDTSevere Thunderstorm WarningABR62 min
Aug 5, 4:41 PM CDTTornado WarningABR34 min
Aug 5, 5:29 PM CDTSevere Thunderstorm WarningABR61 min
Aug 11, 11:43 PM CDTSevere Thunderstorm WarningABR62 min

By product

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

ProductAlerts
Severe storms
Severe Thunderstorm Warning5
Tornado Warning4

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive19861988

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.