On the morning of 6 February the majority of Great Britain and Ireland had snow cover , with the area surrounding Surrounding the Bristol Channel ( South Wales ( Cardiff area ) and South West England ( Bristol area ) ) being most affected Influence – had settled Creating overnight around Okehampton , Devon , South West England with similar depths in South Wales .

This allowed Preventing_or_letting the Red Army to reach Arriving the Vistula river and Warsaw , which in turn put Placing Soviet forces within striking distance of Berlin , conforming to the concept of Soviet deep operations—striking deep into the enemy 's strategic depths .

Both zones are hotspots for tectonic activity Motion_directional , with the Wabash Valley Fault Zone reaching Arriving earthquake Catastrophe depths up to 18 km ( 11.4 mi . )

The storm Catastrophe surge caused Causation water to pour out of the southern edge of the lake , flooding Catastrophe hundreds of square miles to depths as great as .