Scientific Methodology

Blast Effect Calculations

Our simulator uses scientifically validated formulas derived from nuclear weapons testing data and the seminal work "The Effects of Nuclear Weapons" by Glasstone & Dolan.

Fireball Radius

Radius (km) = 0.28 × Yield^0.33

The fireball vaporizes everything within this radius. Temperature exceeds 10 million degrees Celsius.

Air Blast Zones

  • 20 PSI (Severe):0.28 × Yield^0.33 km - Reinforced concrete structures destroyed
  • 5 PSI (Moderate):1.03 × Yield^0.33 km - Most residential buildings collapse
  • 1 PSI (Light):2.93 × Yield^0.33 km - Windows shatter, light injuries

Thermal Radiation

  • 3rd Degree Burns:0.67 × Yield^0.41 km - Severe burns requiring immediate medical care
  • 2nd Degree Burns:1.2 × Yield^0.41 km - Painful burns, potential scarring

Casualty Estimates

Casualties are calculated based on population density and empirically-derived mortality rates for each blast effect zone:

ZoneMortality Rate
Fireball100%
20 PSI Overpressure98%
5 PSI Overpressure50%
3rd Degree Burns95%
Fallout (24-48h)30%

Data Sources

  • Glasstone, S., & Dolan, P. J. (1977). The Effects of Nuclear Weapons (3rd ed.)
  • Federation of American Scientists - Nuclear Weapons Effects Calculator
  • NUKEMAP by Alex Wellerstein - Validation data
  • Defense Threat Reduction Agency publications
  • Oak Ridge National Laboratory - Nuclear Weapons FAQ

Important Disclaimers

This simulator provides estimates based on idealized conditions. Actual effects would vary based on:

  • Terrain and geographic features
  • Weather conditions
  • Building construction standards
  • Time of day (population distribution)
  • Altitude of detonation
  • Emergency response capabilities