Thunderstorms, Tornadoes
A fierce, single-updraft thunderstorm
supercell
When wind speeds are below 34 mph.
tropical disturbance
Measures visibility
transmissometer
Lines of equal heat
isotherm
An electron stream that flows from a cloud during a thunderstorm
stepper leader
A narrow funnel of whirling wind produced by a thunderstorm
Occurs when wind speeds reach over 74 mph
hurricane
Measures air pressure
barometer
A tornado that forms over water
waterspout
The upward flow of positive charge, called the what?
return stroke
A large rotating updraft in a supercell thunderstorm
mesocyclone
A rising of the sea as a result of a hurricane
storm surge
Measures the distance from the ground to the cloud
ceilometer
The middle of a hurricane
eye
stepped leader travels from a negative region of the cloud down to the ground
negative cloud-to-ground
Thunderstorm stage marked by the arrival of precipitation
mature stage
Small storms within a hurricane
rainbands
Measures wind speeds close to the ground
anemometer
An instrument carried by balloon or other means to various levels of the atmosphere and transmitting measurements by radio
radiosonde
what type of lightning causes things to catch of fire
hot lightning
A shock wave produced as lighting heats the air
thunder
What is required for hurricanes to form?
warm ocean water and strong Coriolis effect.
Used to measure things high into the atmosphere
weather balloon
A single updraft system in a thunderstorm
cell
by how objects catch on fire