Final answer:
The two pivotal instruments for measuring weather in a region are the thermometer, which measures temperature, and the barometer, which gauges atmospheric pressure. Both devices are integral in forecasting weather, as they influence the biome's climate and play a role in predicting severe weather phenomena and interpreting weather maps.
Step-by-step explanation:
The two most important instruments for measuring a region's weather are the thermometer and the barometer. A thermometer is used to measure the temperature of the air, which is a critical component of climate and influences many aspects of weather systems. Conversely, the barometer measures atmospheric pressure, which is crucial for predicting weather changes; high pressure often leads to clear skies, while low pressure can indicate storms and rain.
The interaction between temperature, wind, and rain is significant because they are all components of climate, which determines the characteristics of different biomes. Weather patterns, including the formation of severe weather like tornadoes, can often be linked to variations in atmospheric pressure. Additionally, meteorologists utilize weather maps to illustrate and forecast weather, where isobars mark regions of constant pressure, thereby helping in understanding the large effects pressure systems have on weather conditions.