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TROPICAL CYCLONE IMPACTS - DECISION SUPPORT


Wind	Storm Surge	Inland Flooding	Tornadoes	Marine

Wind

Wind Hazard -

Potential Impact

Impact to Life and Property

None

Very Low

Low

Moderate

High

Extreme

Description: The graphic depicts the potential impact from tropical cyclone winds across the specified area valid through the event. It is based on the likelihood of experiencing tropical cyclone force winds and wind gusts combined with the anticipated strength of the winds.

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Depiction of the Tropical Cyclone Wind Hazard for South Florida. This graphic was created by the National Weather Service.

Probability of Tropical Storm Conditions | Probability of Hurricane Conditions

Important Note: Worded expressions describe the expected impact relative to the latest forecast conditions, while Graphic expressions convey the potential impact relative to the uncertainty of forecast conditions.

Hurricane Local Statement for South Florida

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SITUATION OVERVIEW
EXPECTED CONDITIONS AND IMPACTS FOR ALL AREAS:

TEST.

...WINDS...
EXPECTED CONDITIONS AND IMPACTS FOR THE FOLLOWING AREAS:

LAKE OKEECHOBEE, BISCAYNE BAY, COASTAL WATERS FROM JUPITER INLET TO DEERFIELD BEACH, FL OUT 20 NM, COASTAL WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL OUT 20 NM, WATERS FROM JUPITER INLET TO DEERFIELD BEACH, FL EXTENDING FROM 20 NM TO 60 NM, WATERS FROM DEERFIELD BEACH TO OCEAN REEF, FL EXTENDING FROM 20 NM TO THE TERRITORIAL WATERS OF THE BAHAMAS, GLADES, HENDRY, INLAND PALM BEACH, METRO PALM BEACH, COASTAL COLLIER, INLAND COLLIER, INLAND BROWARD, METRO BROWARD, INLAND MIAMI DADE, METRO MIAMI DADE, MAINLAND MONROE, COASTAL PALM BEACH, COASTAL BROWARD, COASTAL MIAMI DADE, FAR SOUTH MIAMI DADE, COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL OUT 20 NM, COASTAL WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE, FL OUT 20 NM, GULF WATERS FROM CHOKOLOSKEE TO BONITA BEACH, FL EXTENDING FROM 20 TO 60 NM

TEST.

None	Threat - No discernable threat to life and property; winds to remain below tropical storm-force, but windy conditions may still be present. Minimum Action - Evaluate personal and community disaster plans and ensure seasonal preparedness activities are complete. Potential Impact - Wind damage is not expected; impact should be negligible.
Very Low	Threat - A limited threat to life and property; the likelihood for tropical storm-force winds (39 to 57 mph). Minimum Action - Prepare for the likelihood of minor wind damage. Potential Impact - A very low impact to communities within the specified area. Winds capable of causing damage to carports, awnings, and pool enclosures. Some damage to unanchored mobile homes. Small branches break off trees and loose objects are blown about. Winds becoming dangerous on bridges and causeways, especially for high profile vehicles. Isolated to widely scattered power outages, especially in areas with above ground lines.
Low	Threat - An elevated threat to life and property; the likelihood for strong tropical storm-force winds (58 to 73 mph). Minimum Action - Prepare for the likelihood of minor to locally moderate wind damage. Potential Impact - A low impact to communities in the specified area. Winds capable of causing damage to unanchored mobile homes, porches, carports, awnings, pool enclosures and with some shingles blown from roofs. Large branches break off trees, but several shallow-rooted and diseased trees blown down. Loose objects are easily blown about and become dangerous projectiles. Winds dangerous on bridges and causeways, especially for high profile vehicles. Scattered power outages, especially in areas with above ground lines.
Moderate	Threat - A significant threat to life and property; the likelihood for hurricane-force winds (74 to 95 mph) of Category 1 intensity. Minimum Action - Prepare for the likelihood of moderate wind damage. Potential Impact - A moderate impact to communities within the specified area. Winds capable of causing significant damage to mobile homes, especially if unanchored. Some damage to roofing material, doors, fences, and windows of buildings. Several large signs and trees blown down, especially shallow-rooted and diseased trees. A few roads impassible due to large debris. Scattered power outages, but widespread in areas with above ground lines. Damage is consistent with that realized by winds of Category 1 strength on the Saffir-Simpson Scale.
High	Threat - A critical threat to life and property; the likelihood for strong hurricane-force winds (96 to 110 mph) of Category 2 intensity. Minimum Action - Prepare for the likelihood of major wind damage. Potential Impact - A high impact to communities within the specified area. Winds capable of causing significant damage to roofing material, doors, fences, and windows of buildings, but with some occurrences of structural damage. Considerable damage to mobile homes. Many large signs and trees blown down with further damage to standing trees. Some roads impassible due to large debris. Widespread power outages. Damage is consistent with that realized by winds of Category 2 strength on the Saffir-Simpson Scale.
Extreme	Threat - An extreme threat to life and property; the likelihood for major hurricane-force winds (greater than 110 mph) of Category 3, 4, or 5 intensity. Minimum Action - Prepare for the likelihood of extreme to catastrophic wind damage. Potential Impact - An extreme impact to communities within the specified area. Winds capable of causing structural damage to buildings, some with complete wall and roof failures. Complete destruction of mobile homes. Numerous large signs and trees blown down. Many roads impassible due to large debris. Widespread power outages. Damage is consistent with that realized by winds of Category 3, 4, or 5 strength on the Saffir-Simpson Scale.

National Weather Service Weather Forecast Office