1. Liu said summer thunder is caused by unstable atmosphere and convection of cold and warm air streams.
2. Deafening thunder replaced alarm clocks to wake up most Beijingers Wednesday morning, followed by hours of heavy rain.
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3. The sky darkened as the susurrus of a drizzle became a roaring downpour accompanied by thunder and lightning.
4. by thunder
4. According to preliminary investigation, the forest fire was caused by a thunder strike.
5. Hong Kong Observatory said the area was affected by a thunder storm at the time, which brought 70 millimeters of rainfall.
6. " We were sometimes scorched by the sun and deafened by thunder other times, " Tao says.
7. The NMC warned citizens to avoid staying in places that are likely to be hit by thunder and lightning.
8. The Thunder's unusual set of finishers outscored the Mavs'by five.