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Flash Flood Warning issued August 4 at 3:05PM EDT until August 4 at 6:00PM EDT by NWS Morristown TN

8.0

36.3417° N, 82.3133° W·US-TN

Started 2h ago

Event Details

Typeflood

Severity8.0

Statusactive

Location36.3417°N, 82.3133°W (US-TN)

Started2026-08-04T19:05:00+00:00

Last Updated2026-08-04T21:10:07.307+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

2024 CARTER County, TENNESSEE Flash Flood (2024)83% match

Flash Flood in TENNESSEE, 12km from current event, $63M in recorded damage

CARTER County, TENNESSEEDamage: $62.5M

2024 WASHINGTON County, TENNESSEE Flash Flood (2024)78% match

Flash Flood in TENNESSEE, 25km from current event, $39M in recorded damage

WASHINGTON County, TENNESSEEDamage: $39.0MFatalities: 4

2024 WATAUGA County, NORTH CAROLINA Flash Flood (2024)78% match

Flash Flood in NORTH CAROLINA, 37km from current event, $250M in recorded damage

WATAUGA County, NORTH CAROLINADamage: $250.0MFatalities: 2

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

View on Live Map

US-TN flood hazard profile All US hazard profiles Scoring methodology

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