Alert archive / Low Water Advisories

Low Water Advisories in the United States, 2021

48 low water advisories in 2021. Each alert counts once, however many counties it covered. The archive of low water advisories reaches back to 2005.

Low Water Advisories by state

Each state shaded by its count. Tap a state for its own archive.

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Low Water Advisories
48
Busiest month
January12 low water advisories
Busiest day
November 13, 20213 low water advisories

Over time

By month

By state

Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.

The busiest days

Days with the most alerts issued, by UTC date.

  1. November 13, 20213low water advisories
  2. January 8, 20213low water advisories
  3. November 18, 20212low water advisories
  4. December 2, 20212low water advisories
  5. December 5, 20212low water advisories
  6. December 10, 20212low water advisories
  7. December 22, 20212low water advisories
  8. January 11, 20212low water advisories
  9. January 15, 20212low water advisories
  10. February 1, 20212low water advisories
  11. February 4, 20212low water advisories
  12. March 2, 20212low water advisories
  13. March 18, 20212low water advisories
  14. March 26, 20212low water advisories
  15. October 15, 20211low water advisories

Nearby

Alerts in force nowThe tornado archiveThe radar archive20202022

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.