HEMP Impact Visualizer

1 V/m1 kV/m100 kV/m

50 kV/m — extreme damage

10 kV/m — severe damage

1 kV/m — moderate effects

100 V/m — interference

Height of Burst 100 km

Gamma Yield (γ, not total yield) 0.05 kt

γ yield ≈ 0.3–0.5% of total weapon yield.
0.05 kt γ ≈ 10–15 kt total device.

Epicenter — drag ⊕ on map

Lat

Lon

Dip Angle (BANGLE) 57°

Strength (BFIELD) 5.0 × 10⁻⁵ T

Iteration Limit 20 shakes

Radial Grid (NDELR)

Map Resolution

AP 2.20

BP 0.25

RNP 5.626

TOP (shakes) 2.24

Overlay Opacity 70%

Basemap

Peak E-Field below burst

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