Alert archive / South Dakota / Red Flag Warnings

Red Flag Warnings in South Dakota, 2020

37 red flag warnings in 2020. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of red flag warnings reaches back to 2005.

Red Flag Warnings by county

Each county as a circle sized by its count in 2020. Tap one for its archive.

Red Flag Warnings
37
Busiest month
September13 red flag warnings
Busiest day
September 1, 20203 red flag warnings

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.

IssuedProductOfficeCountiesLasted
Mar 7, 3:19 AM CSTRed Flag WarningUNRBennett, Custer, Fall River, Haakon, Jackson, Meade and 5 more16 hr
Mar 11, 3:53 AM CDTRed Flag WarningUNRCuster, Fall River, Oglala Lakota16 hr
Apr 6, 5:30 AM CDTRed Flag WarningUNRBennett, Custer, Fall River, Jackson, Meade, Oglala Lakota and 1 more38 hr
Apr 20, 4:05 AM CDTRed Flag WarningFSD15 hr
Apr 21, 1:15 PM CDTRed Flag WarningABR6 hr
May 2, 3:08 AM CDTRed Flag WarningABR16 hr
Jul 1, 5:00 AM CDTRed Flag WarningUNRCuster, Fall River16 hr
Jul 7, 4:07 AM CDTRed Flag WarningUNRCuster, Fall River17 hr
Jul 10, 3:26 AM CDTRed Flag WarningUNRCuster, Fall River17 hr
Jul 16, 8:39 PM CDTRed Flag WarningUNRCuster, Fall River24 hr
Jul 23, 3:55 AM CDTRed Flag WarningUNRCuster, Fall River17 hr
Aug 12, 4:40 AM CDTRed Flag WarningUNRButte, Custer, Fall River, Jackson, Lawrence, Meade and 2 more40 hr
Sep 1, 3:06 AM CDTRed Flag WarningABR17 hr
Sep 1, 3:59 AM CDTRed Flag WarningUNRPerkins, Ziebach16 hr
Sep 1, 3:59 AM CDTRed Flag WarningUNRBennett, Butte, Custer, Fall River, Haakon, Jackson and 6 more42 hr
Sep 1, 8:07 PM CDTRed Flag WarningABR24 hr
Sep 4, 1:14 PM CDTRed Flag WarningABR5 hr
Sep 4, 1:56 PM CDTRed Flag WarningUNRBennett, Butte, Custer, Fall River, Jackson, Lawrence and 3 more54 hr
Sep 13, 3:03 PM CDTRed Flag WarningUNRBennett, Butte, Custer, Fall River, Haakon, Jackson and 6 more30 hr
Sep 13, 3:21 PM CDTRed Flag WarningABR28 hr
Sep 25, 2:26 PM CDTRed Flag WarningABR27 hr
Sep 25, 2:58 PM CDTRed Flag WarningUNRBennett, Butte, Haakon, Jackson, Lawrence, Meade and 6 more27 hr
Sep 29, 10:47 AM CDTRed Flag WarningFSD8 hr
Sep 30, 3:33 AM CDTRed Flag WarningFSD15 hr
Sep 30, 4:15 AM CDTRed Flag WarningABR16 hr
Oct 6, 3:20 AM CDTRed Flag WarningABR16 hr
Oct 6, 3:22 AM CDTRed Flag WarningFSD16 hr
Oct 7, 2:30 PM CDTRed Flag WarningUNRCuster, Fall River29 hr
Oct 8, 1:31 PM CDTRed Flag WarningFSD4 hr
Oct 9, 3:06 PM CDTRed Flag WarningUNRBennett, Butte, Custer, Fall River, Jackson, Lawrence and 4 more29 hr
Oct 12, 4:27 AM CDTRed Flag WarningABR15 hr
Oct 13, 2:47 PM CDTRed Flag WarningFSD28 hr
Oct 13, 3:56 PM CDTRed Flag WarningABR27 hr
Nov 3, 10:06 AM CSTRed Flag WarningABR7 hr
Nov 6, 2:24 AM CSTRed Flag WarningABR16 hr
Nov 6, 2:42 AM CSTRed Flag WarningUNRMellette, Todd, Tripp15 hr
Nov 6, 2:59 AM CSTRed Flag WarningFSD15 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. September 1, 20203red flag warnings
  2. November 6, 20203red flag warnings
  3. September 4, 20202red flag warnings
  4. September 13, 20202red flag warnings
  5. September 25, 20202red flag warnings
  6. September 30, 20202red flag warnings
  7. October 6, 20202red flag warnings
  8. October 13, 20202red flag warnings
  9. March 7, 20201red flag warnings
  10. March 11, 20201red flag warnings
  11. April 6, 20201red flag warnings
  12. April 20, 20201red flag warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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.