Severe%20Weather

1
Severe Weather

• Hurricanes and Noreasters

2
Hurricane Fran
3
NoreasterThe Perfect Storm
4
Comparison ofHurricanes and Noreasters

• 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

• Noreasters
• 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 Noreasters
• Inland Flooding
• Coastal Erosion damage or loss of beaches from
  high waves
• Storm Surge (coastal flooding and wave damage)

10
Coastal Erosion
11
Coastal Erosion
12
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