HURRICANES INTENSE STORM OF TROPICAL ORIGIN. TROPICAL WEATHER  FROM 23.5° N TO 23.5°S LATITUDE  SMALL TEMPERATURE CHANGES  HIGH HUMIDITY  AFTERNOON.

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Presentation transcript:

HURRICANES INTENSE STORM OF TROPICAL ORIGIN

TROPICAL WEATHER  FROM 23.5° N TO 23.5°S LATITUDE  SMALL TEMPERATURE CHANGES  HIGH HUMIDITY  AFTERNOON THUNDERSTORMS

HURRICANE HUGO

SQUALL LINE  LINE OF STORMS  PRECEDED BY STRONG WINDS  FOLLOWED BY HEAVY DOWN POURS( 30 MIN)  STEADY RAIN FOR SEVERAL HOURS

STREAM LINES  INDICATE THE DIRECTION OF WIND  AIR CONVERGES AND DIVERGES

HURRICANE ANDREW

PARTS OF A HURRICANE  EYE- CALM CENTER OF THE HURRICANE  EYEWALL- RING OF INTENSE THUNDERSTORMS AROUND THE EYE

SIGNS OF A HURRICANE  OVERCAST SKY: CIRROSTRATUS CLOUDS  SIGNIFICANT DROP IN BAROMETRIC PRESSURE  NORTH/NORTHWEST WINDS  INCREASE IN WIND STRENGTH  INCREASE IN WAVE HEIGHT  HEAVY RAINS

NOAA

NORTHERN HEMISPHERE  WARM SURFACE AIR  IN TOWARDS EYE  RISES  LOW PRESSURE ZONE  ALOFT AIR  COOLS  RELEASES WATER VAPOR  SINKS  HIGH PRESSURE

RIGHT ENVIRONMENT  LIGHT WINDS  HIGH HUMIDITY  WARM SURFACE WATER TEMPERATURE

HURRICANE SEASON  JUNE TO NOVEMBER

BIRTH / DEATH  TRANSFER OF HEAT (ENERGY) FROM WARM WATER  CONVERGING STORMS  COLD WATER  LAND

NAMING  ALPHABET LETTERS  FEMALE NAMES ONLY  1978/79 ALTERNATING MALE & FEMALE NAMES  CATASTROPHIC CATEGORY 3 OR HIGHER THE NAME IS RETIRED  MORE THAN 26, GREEK ALPHABET IS USED

NOTABLE HURRICANES  2005 CATEGORY 3  KATRINA  LOUISANA  1992 CATEGORY 5  ANDREW  FLORIDA  1989 CATEGORY 4  HUGO  SOUTH CAROLINA