HI-GRID HURRICANE IMPACT SIMULATOR

NHC / ASCE 7 MODEL
STATE GRID LOAD: 0% OFFLINE
PEAK GUST (TERRAIN): 128 MPH
ACTIVE SCENARIO: LALA (SW OAHU)
Storm Configuration Parametric Model
Preset Scenarios
Saffir-Simpson Intensity Category 3 (115 mph)
Central Pressure 952 mb
Forward Speed (Translation) 13 kts
Radius of Max Wind (RMW) 25 nm
Orographic Gust Multiplier 1.38x Ridge Boost
Map Overlays & Layers
Operational Deliverables
CLICK MAP TO DRAG STORM TRACK WAYPOINTS
WIND FORCE & GRID STATUS
Hurricane Sustained (≥74 mph)
Storm Force (58-73 mph)
Tropical Storm (39-57 mph)
Substation Trip Hazard (>65% Risk)
T-HOUR: -6h  |  ESTIMATED CLOSET APPROACH (CPA)
SPEED: 1 hr / sec
T -48h (Approach) T -24h (Gale Onset) T 0h (Closest Point of Approach) T +12h (Ridge Shear Peak) T +24h (Departure / Recovery)
Archipelago Outage Summary 0 Customers
Oahu (HECO) 35% Out
Peak Gust: 84 mph
Customers: 112,000
Koolau Crest: 118 mph
Lines Tripped: 4 / 14
Kauai (KIUC) 8% Out
Peak Gust: 52 mph
Customers: 2,900
Halelea Ridge: 68 mph
Lines Tripped: 0 / 6
Maui Nui (MECO) 22% Out
Peak Gust: 74 mph
Customers: 17,400
Haleakala Ridge: 104 mph
Lines Tripped: 2 / 9
Hawaii Island (HELCO) 11% Out
Peak Gust: 58 mph
Customers: 9,800
Kohala Saddle: 82 mph
Lines Tripped: 1 / 11
Critical Substation Trip Matrix
Substation / Plant Isl Exp. Gust Trip Risk
Restoration Estimate
Stage 1 (Critical Lifelines): 18 Hours
Stage 2 (80% Urban Grid): 48 Hours
Stage 3 (Full Rural Restoration): 5-7 Days