Hurricane Zeta — South Louisiana, October 2020

Total Insured Loss

$6.28B

Wind + Surge — 1,253,013 buildings modeled

🌪 Wind Loss

$4.43B

998,023 buildings affected · peak 123 mph

BM: $800.0M (+454.1%) — Swiss Re/Munich Re: $1.5-2.0B total insu

🌊 Surge Loss

$1.85B

39,070 buildings inundated · peak WSE 4.1 ft

BM: $200.0M (+824.6%) — insured fraction pending

Storm Summary

CategoryCat 2

Max wind100 kt

Min pressure970 mb

Peak model wind123 mph

Surge WSE peak4.1 ft

Peak depth at FFE15.4 ft

VE zone buildings2,549

VE open / enclosed1,397 / 1,152

View Mode

Wind

Surge

Combined

Legend

None (<1%)

Minor (1–10%)

Moderate (10–30%)

Severe (30–70%)

Destruction (>70%)

Layers

Storm Track Buildings

Pipeline Stages

S1 — Track

HURDAT2 AL092022 — 39 pts

S2 — Holland B Wind Field

1,253,013 FL buildings

S2s — Surge Field

Irish et al. parametric WSE · FM 4.1 ft ({peak_wse-14.1:+.1f} ft vs 14.1 ft obs)

S3 — HAZUS Wind Fragility

By construction class

S3s — HAZUS Surge Curves

VE open/enclosed + AE · enclosure_class from SI

S4 — Loss Aggregation

Wind $4.43B · Surge $1.85B

S5 — Viewer Deploy

PMTiles · Cloudflare Pages

Wind: Holland B parametric field. Surge: Irish et al. (2008) parametric WSE. Peak 1×Rmax right of track. HAZUS Ch. 7 depth-damage curves by enclosure class (Phase 6 SI). Combined = max(wind DR, surge DR).

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Hurricane Zeta — South Louisiana, October 2020 — Wind & Surge Damage