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Earth Science Unit 8

Weather

QuestionAnswer
HIGH pressure and wind patterns are... outward and clockwise
LOW pressure and wind patterns are... inward and counterclockwise
What makes weather move towards the northeast? Southwesterly winds
The Saffir Simpson Scale is... used to categorize hurricanes
The Enhanced Fujita Scale is... used to classify tornadoes
HURRICANE LOW PRESSURE TROPICAL STORM THAT STARTS IN THE WESTERN ATLANTIC AND REACHES WINDS ABOVE 74 MPH
TORNADO A ROTATING COLUMN OF AIR RANGING IN WIDTH FROM A FEW YARDS TO MORE THAN A MILE AND WHIRLING AT DESTRUCTIVELY HIGH WINDS
THERMOMETER INSTRUMENT USED TO MEASURE TEMPERATURE DIFFERENT SCALES INCLUDE: CELSIUS, FAHRENHEIT AND KELVIN
BAROMETER INSTRUMENT USED TO MEASURE AIR PRESSURE DIFFERENT SCALES INCLUDE: INCHES OF MERCURY MILLIBARS
ANEMOMETER INSTRUMENT USED TO MEASURE WIND SPEED DIFFERENT SCALES INCLUDE: KNOTS MILES PER HOUR
WEATHER VANE INSTRUMENT USED TO MEASURE WIND DIRECTION MEASURES DIRECTION USING COMPASS DIRECTIONS
SLING PSYCHROMETER INSTRUMENT USED TO MEASURE DEW POINT AND RELATIVE HUMIDITY
Secret formula to build a cloud (R.E.C.C) air Rises, Expands, Cools, and Condenses
RELATIVE HUMIDITY THE AMOUNT OF WATER VAPOR IN THE AIR AT ANY GIVEN TIME TO CALCULATE RELATIVE HUMIDITY YOU NEED A DRY BULB TEMPERATE, DIFFERENCE IN WET BULB AND DRY BULB TEMPERATURE, AND THE E.S.R.T.
TROPOSPHERE THE LOWEST PORTION OF THE ATMOSPHERE WHERE TEMPERATURE DECREASES WEATHER OCCURS IN THIS LAYER ONLY THE LOWEST PORTION OF THE ATMOSPHERE WHERE TEMPERATURE DECREASES WEATHER OCCURS IN THIS LAYER ONLY
STRATOSPHERE A REGION OF THE ATMOSPHERE WHERE TEMPERATURE INCREASES
MESOSPHERE A REGION OF THE ATMOSPHERE WHERE TEMPERATURE DECREASES AGAIN
THERMOSPHERE THE OUTER MOST SHELL OF THE ATMOSPHERE WHERE TEMPERATURE INCREASES
TEMPERATURE THE HEAT ENERGY PRESENT IN THE ATMOSPHERE AT THAT LOCATION
AIR PRESSURE THE FORCE EXERTED ON A UNIT OF AREA BY THE AIR THAT IS EXERTED EQUALLY IN EVERY DIRECTION
AIR CURRENTS RISING OR SINKING MOVEMENT OF AIR PERPENDICULAR TO THE GROUND
WIND THE HORIZONTAL MOVEMENT OF AIR PARALLEL TO THE EARTH’S SURFACE
Convection Causes hot air to rise and cold air to sink
The closer the air pressure is tot he dew point temperature... the greater the chance of preciptition
SEA BREEZE DURING THE DAY LAND HEATS UP FASTER THAN THE WATER, THUS CREATING A LOW PRESSURE ZONE OVER THE LAND
LAND BREEZE DURING THE NIGHT LAND COOLS FASTER WHILE WATER HOLDS ITS HEAT, THUS CREATING A LOW PRESSURE ZONE OVER THE WATER
AIR MASS CHARACTERISTICS OF THE AIR IDENTIFIED BY TEMPERATURE AND MOISTURE
SOURCE REGION LOCATION OVER WHICH AN AIR MASS GETS ITS CHARACTERISTICS
COLD FRONT A BOUNDARY WHERE MORE DENSE COLD AIR ADVANCES UNDER LESS DENSE WARM AIR PUSHING IT UPWARDWEATHER: THUNDERSTORMS, HEAVY RAIN, AND A SHARP DECREASE IN TEMPERATURE
WARM FRONT A BOUNDARY WHERE LESS DENSE WARM AIR ADVANCES OVER THE TOP OF MORE DENSE COLD AIR WEATHER: LOW CLOUDS AND WIDESPREAD RAINFALL
STATIONARY FRONT FORMS ALONG A BOUNDARY WHERE NEITHER AIR MASS IS MOVING WEATHER: LONG WIDESPREAD RAIN
OCCLUDED FRONT A BOUNDARY WHERE A FAST MOVING COLD FRONT PUSHES WARM AIR ENTIRELY ALOFT WEATHER: LONG WIDESPREAD RAIN AND THUNDERSTORMS
Dewpoint the temperature at which air must be cooled for water vapor to condense.
Created by: user-1746037
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