Hurricane advisories

By Times Staff Writer
Published May 29, 2005

Advisory - A way of disseminating hurricane and storm information to the public every six hours.

Special advisory - A warning given any time there is a significant change in weather conditions or a change in warning.

Intermediate advisory - A way of updating regular advisory information every two to three hours if necessary.

Gale warning - Wind speeds of 39 to 54 mph are expected.

Storm warning - Wind speeds of 55 to 74 mph are expected.

Hurricane watch - A hurricane may threaten the area within 36 hours.

Hurricane warning - A hurricane is expected to strike the area within 24 hours or less.

Evacuation order - The most important instruction you will receive. Once issued, an evacuation order is mandatory under state law.