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Catastrophe Review

US Disaster Activity: September 2026

2026-09-01 through 2026-09-30 · All data from federal sources

10171
Total Events
11
Peril Types
52
States Affected
Activity by Peril
Severe Weather
5048max 9.0 · avg 4.8
Wildfires
2258max 9.0 · avg 2.7
Earthquakes
1132max 6.5 · avg 3.7
Floods
1097max 8.0 · avg 7.4
hail
279max 8.0 · avg 5.6
fire_weather
200max 5.0 · avg 4.8
tornado
92max 7.5 · avg 6.5
extreme_heat
26max 4.0 · avg 4.0
tropical_alert
20max 7.0 · avg 7.0
high_wind
13max 6.5 · avg 5.6
Hurricanes
6max 10.0 · avg 3.5
Significant Events (severity 3.0+)
Hurricane Polo — CAT 5 140ktUS · Sep 20
10.0
Active Fire — 48 detectionsUS · Sep 11
9.0
Active Fire — 34 detectionsUS · Sep 10
9.0
Active Fire — 14 detectionsUS · Sep 16
9.0
Tornado Warning issued September 2 at 7:12PM EDT until September 2 at 7:30PM EDT by NWS Buffalo NYUS-NY · Sep 2
9.0
Tornado Warning issued September 6 at 7:20PM CDT until September 6 at 8:00PM CDT by NWS Bismarck NDUS-ND · Sep 7
9.0
Active Fire — 11 detectionsUS · Sep 18
9.0
Active Fire — 6 detectionsUS · Sep 4
9.0
Active Fire — 1 detectionsUS · Sep 6
9.0
Active Fire — 8 detectionsUS · Sep 1
9.0
Data Sources

Event data sourced from USGS (earthquakes), NOAA NHC (hurricanes), NWS flood alerts (floods), NOAA SPC (severe weather), NIFC (wildfires), and NASA FIRMS (fire hotspots). All data is ingested directly from federal agency APIs with full provenance tracking.

Decision-support intelligence — not a primary alerting or dispatch system. Verify against official sources.