Weather Maps
This is expressed as a capital red L on a weather map.
What is low air pressure?
The largest type of thunderstorm.
What is a supercell?
The unit of measurement most commonly used for air pressure.
What is millibars?
A circular area with 1032 millibars of air pressure surrounded by decreasing air pressure in concentric lines.
What is a capital blue H.
The type of cloud that the majority of precipitation comes from.
What is Nimbo-form?
This front is drawn with as alternating triangles and bumps in the color purple.
What is an occluded front?
What is a source of moisture?
The name of the lines on a map that show differences in air pressure.
What are isobars or isolines?
The boundary between a warm air mass and a cold air mass where the wind is only moving 3 mph.
What is a stationary front?
This cloud is the Latin word for "layer"
What is Strato-form?
The definition of a trough
What is an elongated area of low air pressure?
The ingredient of a thunderstorm that is caused by heat from the sun warming air along the surface that rises.
What is a lifting mechanism?
The force of wind caused by the rotation of the earth on its axis.
What is the Coriolis force?
A row of thunderstorms stretching across Oklahoma and Texas.
What is a squall line?
This cloud has large vertical motion and appears like fluffy cotton balls.
What is Cumulo-form?
The front with alternating red bumps and blue triangles where air masses aren't moving.
What is a stationary front?
The 2nd stage of the thunderstorm timeline when dangerous weather and precipitation occur.
What is the mature cumulus stage?
This is what happens to air pressure when humidity increases.
What is air pressure decreases?
The boundary between an area with 18% humidity and an area with 76% humidity.
What is a dry line?
The type of cloud that is wispy, hair-like, and composed of ice crystals at high altitude.
What is cirro-form?
This is the definition of a dry line.
What is the boundary between a moist air mass and a dry air mass.
A type of thunderstorm with multiple cells that occurs in a line, often stretching hundreds of miles.
What is a squall line?
The force of wind that tries to equalize pressure differences.
What is the pressure gradient force?
A mass of warm air over Florida and a mass of cold air over Texas. The wind direction is W and the wind speed is 25 mph.
What is a cold front?
These are the clouds found in a thunderstorm.
What is Nimbo-form?