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A bomb cyclone and corresponding atmospheric river are bringing precipitation to Northern California. See satellite photos and videos of the storm. See the bomb cyclone approaching California from ...
After a ferocious "bomb cyclone" battered the Pacific Northwest with dangerous winds on Wednesday, Northern California and southwest Oregon must now grapple with torrential downpours and high ...
A bomb cyclone is a storm that strengthens so fast that the central atmospheric pressure plunges 0.71 of an inch (24 millibars) or more in 24 hours or less. The central pressure in Tuesday's bomb ...
So the same burst at 50,000 feet (15,000 m) will be at a pressure of about 0.1 atmospheres, resulting in a fireball on the order of 2,150 metres (7,050 ft) in diameter, about twice the size of one near the ground. For a high altitude burst, say 250,000 feet (76 km), the fireball will expand to about 46 kilometres (29 mi) in diameter. [4]
A bomb cyclone pounding Northern California and the Pacific Northwest with heavy rain and strong winds was already blamed for two deaths and will likely fuel flooding, rock slides, debris flows ...
The visual effects of a high-altitude or space-based explosion may last longer than atmospheric tests, sometimes in excess of 30 minutes. Heat from the Bluegill Triple Prime shot, at an altitude of 50 kilometers (31 miles), was felt by personnel on the ground at Johnston Atoll , and this test caused retina burns to two personnel at ground zero ...
An air burst or airburst is the detonation of an explosive device such as an anti-personnel artillery shell or a nuclear weapon in the air instead of on contact with the ground or target. The principal military advantage of an air burst over a ground burst is that the energy from the explosion, including any shell fragments , is distributed ...
Storm system is expected to weaken as it continues to chart a path over the Cascades and through to northern California and southwest Oregon by Friday Mapped: Charting path of deadly ‘bomb ...