HURRICANES

What Is A Hurricane?

• It is an intense tropical weather system.
• With winds of 74mph. Or higher.

HOW DOES A HURRICANE FORM?

• By high winds over warm water.
• They gather heat and energy through contact with warm ocean water.
• Warm waters rises and forms clusters of strom to rotate.
• If it becomes strong enough it can become a tropical storm.

WHAT TO EXPECT DURING A HURRICANE?

• Heavy rain
• Strong winds
• Trees falling
• Lighting
• Huge waves and debris.

SCIENTIFIC PROCESS

• Hurricanes only form over really warm water.
• 80 degrees or warmer.
• The atmosphere must cool off quickly
• WInd must be blowing in the same direction.

5 CATEGORIES OF HURRICANES

• Category1-Minimal damage 74-95mph.winds
• Category2-Moderate damage-96-110mph.winds.
• Category3-Extensive damage 111-130mph.winds
• Category4-Extreme damage 131-155mph.winds
• Category5-Catastrophic damage over155mph.winds.

MY LIFETIME

• Hurricane Rita
• Category5-150mph.
• Sept. 18-26 2005
• Hurricane Katrina
• Category5-150mph.

WORST IN HISTORY

• Hurricane Gilbert,Sept.16,88
• Category5,was monumental beacuse it had the lowest sea level pressure.
• Winds were 140mph. Or more
• 2billion dollars in damages
• Ovet 600 people killed.

IMPACT SOCIETY

• Produces floods
• Death
• Destroys buildings and mobil homes.
• Produces tornandos
• Causes evacuations

PREDICTING A HURRICANE

PREDICTING A HURRICANE

• Hurricane hunters
• National oceainic and atmospheric administration.
• Computers
• Satellites

WATCHES AND WARNINGS

• Hurricane Watch-74mph.or greater.
• Hurricane Warning-condition expected in your area within 24 hours.

ANIMALS SENSE

• Animals can hear low frequency sounds waves emitted by hurricanes.
• They can detect slight drops in air and water pressure.

SOURCES

• www.weatherwizkids.com
• www.skydiary.com
• www.aoml.noaa.gov