I've had a couple of recent e-mails asking about barometer readings, what they measure and what those readings mean. What a barometer measures is the weight of the air above it. The standard ...

What a barometer measures is the weight of the air above it. The standard atmosphere will support a column of mercury nearly 30 inches high, so most barometer readings you see will be somewhere near ...

Hurricanes Camille (1969) and Allen (1980) were estimated to have winds of 190 mph, the highest ever recorded, but those readings are suspect because of problems with wind gauges, forecasters said. A ...