CIVILSENSE
floodactive

Flash Flood Warning issued August 4 at 6:29PM EDT until August 5 at 12:30AM EDT by NWS Blacksburg VA

8.0
36.6031° N, 78.7656° W·US-VA
Started 2h ago
Event Details
Typeflood
Severity8.0
Statusactive
Location36.6031°N, 78.7656°W (US-VA)
Started2026-08-04T22:29:00+00:00
Last Updated2026-08-05T01:00:41.457+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

Note: Zone 1 uses NWS polygon geometry. Exposure for this zone is pending polygon-based computation — totals reflect outer zones only.

Population from ACS 5-Year 2022 tract sampling; structure counts from Microsoft Building Footprints or Census ACS housing data, capped by USGS NLCD 2021 developed land. Estimates for situational awareness — not for actuarial, regulatory, or underwriting use.

Historical Comparison
2020 HALIFAX County, VIRGINIA Flood (2020)70% match

Flood in VIRGINIA, 18km from current event, $95K in recorded damage

HALIFAX County, VIRGINIADamage: $95K
2018 HALIFAX County, VIRGINIA Flash Flood (2018)68% match

Flash Flood in VIRGINIA, 28km from current event, $431K in recorded damage

HALIFAX County, VIRGINIADamage: $431K
2018 HALIFAX County, VIRGINIA Flash Flood (2018)68% match

Flash Flood in VIRGINIA, 39km from current event, $3M in recorded damage

HALIFAX County, VIRGINIADamage: $2.6M

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

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Related

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