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Flash Flood Warning issued September 28 at 9:13PM PDT until September 29 at 12:15AM PDT by NWS San Diego CA

8.0
33.8038°N, 116.2225°W·US-CA
Started 3h ago
NWS flood alerts data as of
Event Details
Typeflood
Severity8.0
Statusactive
Location33.8038°N, 116.2225°W (CA)
Started2026-09-29T04:13:00+00:00
Last Updated2026-09-29T07:10:50.005+00:00
Sourcenoaa_ahps
Source URLapi.weather.gov
Confidence1.00
Impact Zones
Catastrophic Impact Zone
Flash flooding or major flood stage. Immediate danger to life and property.
NWS polygon

Zone estimates are based on scientific models and may differ from actual local conditions.

Impact Analysis

This event's zone is the NWS warning polygon. Population and structure estimates are not computed inside NWS polygons yet, so none are shown.

Historical Comparison
2024 SAN BERNARDINO County, CALIFORNIA Flash Flood71% match

Flash Flood in CALIFORNIA, 39km from current event, $5M in recorded damage

SAN BERNARDINO County, CALIFORNIADamage: $5.0M
2013 RIVERSIDE County, CALIFORNIA Flash Flood69% match

Flash Flood in CALIFORNIA, 17km from current event, $200K in recorded damage

RIVERSIDE County, CALIFORNIADamage: $200K
2012 RIVERSIDE County, CALIFORNIA Flash Flood69% match

Flash Flood in CALIFORNIA, 29km from current event, $2M in recorded damage

RIVERSIDE County, CALIFORNIADamage: $2.0M

Historical comparison based on peril type, geography, and severity. Past events do not predict future outcomes.

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Zone estimates are based on scientific models and may differ from actual local conditions.