A millibar is a way of measuring pressure. The lower the pressure, the more powerful the storm. Even though bomb cyclones sometimes share characteristics with hurricanes, it is important to note ...

This storm was forecast to deepen from around 984 millibars Tuesday morning to 943 ... is consistent with that of a Category 4 hurricane — which speaks to the ferocious nature of its expected ...

Hurricane Michael has made landfall near Mexico Beach, Florida as a major Category 4 storm with 155 mph winds. Michael's low central pressure — 919 millibars as of 2:00 p.m. ET — makes it the ...

Hurricane Gilbert ripped up the Caribbean and the Gulf of Mexico in 1988 with 185-mph winds and 888 millibars of pressure, the second-lowest recorded in the Atlantic Ocean. The storm left ...