ATMOSPHERIC PRESSURE AND ALTIMETRY Flashcards
ATMOSPHERIC PRESSURE
THE FORCE PER UNIT ARE EXERTED BY THE WEIGHT OF THE ATMOSPHERE, AIR PRESSURE IS EXERTED IN ALL DIRECTIONS
BAROMETER
(TORRICELLI) INSTRUMENT USED TO MEASURE PRESSURE
ANEROID BAROMETER
PARTIAL VACUUM CREATED IN A METAL CELL, WHICH CONTRACT AND EXPANDS AS PRESSURE CHANGES
STATION PRESSURE
THE PRESSURE MEASURED AT AN AIRPORT
PRESSURE VARIATION
ATMOSPHERIC PRESSURE VARIES WITH ALTITUDE, TEMPERATURE, AND WATER VAPOR
TEMPERATURE EFFECT ON PRESSURE
AS TEMPERATURE INCREASES PRESSURE DECREASES
AS TEMPERATURE DECREASES PRESSURE INCREASES
SEA LEVEL PRESSURE ANALYSES (SURFACE CHART)
SHOWS LINES CONNECTING POINTS OF EQUAL PRESSURE (ISOBARS)
IDENTIFIES PRESSURE PATTERNS
CONSTANT PRESSURE SURFACE
A SURFACE ALONG WHICH THE ATMOSPHERIC PRESSURE IS EQUAL AT A GIVEN POINT
RAWINSONDE OBSERVERATIONS
UPPER AIR OBSERVATIONS INCLUDING PRESSURE, TEMPERATURE, RELATIVE HUMIDITY AND WINDS ALOFT
CONSTATN PRESSURE SURFACE ANALYSIS
CHART CONNECTING POINTS OF EQUAL HEIGHT, CHARTS ARE SPECIFIC TO A CONSTANT MILLIBAR PRESSURE
ATMOSPHERIC DENSITY
RATIO OF MASS OF AIR TO THE VOLUME
VOLUME EFFECTS ON DENSITY
DENSITY AND VOLUME ARE INVERSELY RELATED
CHANGES IN AIR DENSITY
DENSITY IS EFFECTED BY MASS, PRESSURE, OR TEMPERATURE
DENSITY EFFECTS ON PRESSURE
DENSITY AND PRESSURE ARE DIRECTLY RELATED
TEMPERATURE EFFECTS ON DENSITY
DENSITY AND TEMPERATURE ARE INVERSELY RELATED