What is the minimum wind speed for a tropical storm?
A tropical cyclone that has winds of 38 mph (33 kt) or less is called a tropical depression. When the tropical cyclone’s winds reach 39-73 mph (34-63 kt), it is called a tropical storm. When the winds exceed 74 mph (64 kt), the storm is considered to be a hurricane.
What is the expected speed of wind in a tropical storm?
A severe tropical storm is designated as a tropical cyclone when it reaches wind speeds of 64 knots (118 km/h, 74 mph). Should a tropical cyclone intensify further and reach wind speeds of 90 knots (166 km/h, 103 mph), it will be classified as an intense tropical cyclone.
What makes a storm a tropical storm?
Tropical Storm: A tropical cyclone with maximum sustained winds of 39 to 73 mph (34 to 63 knots). Hurricane: A tropical cyclone with maximum sustained winds of 74 mph (64 knots) or higher.
How bad is a tropical storm?
After a tropical depression comes a tropical storm. These storms have winds between 39 and 73 miles per hour and begin to look like a hurricane with a circular shape. Most damage from tropical storms comes from heavy rainfall which can cause property damage or severe flooding.
What is maximum wind speed?
Maximum sustained wind
|Category||Wind speeds (for 1-minute maximum sustained winds)|
|Four||58–70 m/s||130–156 mph|
|Three||50–58 m/s||111–129 mph|
|Two||43–49 m/s||96–110 mph|
|One||33–42 m/s||74–95 mph|
How bad is a Cat 4 hurricane?
On the Saffir-Simpson Hurricane Wind Scale, a Category 4 hurricane has winds of 130 mph to 156 mph. … Category 4 winds will cause catastrophic damage, hurricane forecasters said, such as: – Well-built homes can sustain severe damage with the loss of most of the roof structure and/or some exterior walls.