1. Severe Weather Hurricanes and Nor’easters

2. Hurricane Fran

3. Nor’easter:“The Perfect Storm”

4. Comparison of Hurricanes and Nor’easters  Hurricanes  Tropical Low Pressure  Originate in tropics  Originate over the ocean and move onshore  Hundreds of miles wide  Winds 74+ mph  Winds may exceed 140mph  Nor’easters  Mid-latitude Lows  Originate in mid-latitudes  Usually originate on land and move offshore  Hundreds of miles wide  Winds generally under 74 mph

5. Hurricane Floyd – at sea

6. Hurricane Floyd comes ashore

7. Remnants of Floyd move North

8. The “Perfect Storm”

9. Effects of Severe Storms  High winds  Heavy precipitation –Rain with Hurricanes –Snow or rain with Nor’easters  Inland Flooding  Coastal Erosion – damage or loss of beaches from high waves  Storm Surge (coastal flooding and wave damage)

10. Coastal Erosion

13. Storm Surge

14. Storm Surge – Front Right Quadrant

15. Nassau County – no storm

16. Nassau County – Category 1 Hurricane Storm Surge

17. Nassau County – Category 2 Hurricane Storm Surge

18. Nassau County – Category 3 Hurricane Storm Surge

19. Nassau County – Category 4 Hurricane Storm Surge

20. Suffolk County – no storm

21. Suffolk County – Category 1 Hurricane Storm Surge

22. Suffolk County – Category 2 Hurricane Storm Surge

23. Suffolk County – Category 3 Hurricane Storm Surge

24. Suffolk County – Category 4 Hurricane Storm Surge