A high pressure system has winds that sink and blow clockwise at the surface. A low pressure system's winds blow counter-clockwise and rise. High pressure winds are dry, and these systems are responsible for sunny skies ... More » Science Weather & Tides

Low blood pressure accompanied by an increased heart rate might indicate any of 36 different conditions, according to WebMD. Dehydration, panic attack and drug overdose are three of the condition listed that exhibit thes... More » Health Medical Ranges & Levels

The American Heart Association publishes a list of low-sodium recipes that include grilled chicken with raspberry glaze, cranberry-glazed pork tenderloin, salmon with honey balsamic glaze, and halibut with green onions a... More » Health Nutrition & Diets
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A map of the earth's prevailing winds system will likely show the arrangement, location, direction and wind speed of the various dominant wind patterns blowing across the earth's surface. Such a map might identify easter... More » Science Weather & Tides

The term "trade winds" refers to the regular winds that blow from the subtropical high pressure zones toward the equator in roughly westerly directions. They are so named on account of the way trading ships used these wi... More » Science Weather & Tides Weather Forecasts

Low barometric pressure is caused by warm air from the planet's surface rising, decreasing the amount of air pulled downward by Earth's gravity. This rising heat can lead to adverse weather conditions. More » Science Weather & Tides

Winds that blow from 30 degrees latitude to the equator are called trade winds. These air currents flow down to the equator from the northeastern region in the Northern Hemisphere and from the southeastern region in the ... More » Science Weather & Tides