Alert archive / Air Stagnation Advisories

Air Stagnation Advisories in the United States, 2011

17 air stagnation advisories in 2011. Each alert counts once, however many counties it covered. The archive of air stagnation advisories reaches back to 2005.

Air Stagnation Advisories by state

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

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Air Stagnation Advisories
17
Busiest month
January9 air stagnation advisories
Busiest day
January 3, 20114 air stagnation 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. January 3, 20114air stagnation advisories
  2. December 1, 20112air stagnation advisories
  3. December 2, 20112air stagnation advisories
  4. November 29, 20111air stagnation advisories
  5. December 4, 20111air stagnation advisories
  6. December 21, 20111air stagnation advisories
  7. January 2, 20111air stagnation advisories
  8. January 23, 20111air stagnation advisories
  9. January 24, 20111air stagnation advisories
  10. January 25, 20111air stagnation advisories
  11. January 31, 20111air stagnation advisories
  12. February 2, 20111air stagnation advisories

Nearby

Alerts in force nowThe tornado archiveThe radar archive20102012

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.