US Disaster Event Archive

Every significant event Calchis has tracked, newest first. Each page carries the event’s consequence zones, an exposure estimate where one could be computed, and a citation to the federal source it came from. Severity 3 and above.

2 events · Extreme heat · page 1 of 1

• Heat Advisory issued September 21 at 10:19AM AST until September 21 at 3:00PM AST by NWS San Juan PR
  Extreme heat· PR· Sep 21, 2026· HEAT ADVISORY
• Heat Advisory issued September 21 at 2:00AM AST until September 21 at 3:00PM AST by NWS San Juan PR
  Extreme heat· PR· Sep 21, 2026· HEAT ADVISORY