states making up the Northeastern region were among the original Thirteen Colonies, though Maine and Vermont were part of other colonies before the United States became independent in the American Revolution. Penn's Treaty with the Indians, a 1772 painting by Benjamin WestĪll of the U.S. For the most part, the people of the Northeastern Woodlands, on whose lands European fishermen began camping to dry their codfish in the early 1600s, lived in villages, especially after being influenced by the agricultural traditions of the Ohio and Mississippi valley societies. In the United States of the 21st century, 18 federally recognized tribes reside in the Northeast.

Īmong the many tribes that inhabited this area were those that made up the Iroquois nations and the numerous Algonquian peoples. The cultural area, known as the ' Northeastern Woodlands', in addition to covering the entire Northeast U.S., also covered much of what is now Canada and others regions of what is now the eastern United States. Most did not settle in North America until the 17th century. Main article: Indigenous peoples of the Northeastern WoodlandsĪnthropologists recognize the 'Northeastern Woodlands' as one of the cultural regions that existed in the Western Hemisphere at the time of European colonists in the 15th and later centuries. Under the Census Bureau's definition, the Northeast has a total area of 181,324 sq mi (469,630 km 2), making it the smallest region of the United States by total area. It is also the densest populated region in the United States, with 320 people per square mile (120 people/km 2). The gross domestic product of the region was $5.1 trillion dollars as of 2022 and contains some of the most developed states based on the Human Development Index, with every state with the exception of Maine above the national average. The region is home to the Northeast megalopolis, which includes many of the nation's largest metropolitan areas, including Boston, New York City, and Philadelphia the megalopolis makes up 67% of the region's total population of 57,609,148. Some broader definitions also include Maryland, Delaware, and Washington, D.C., and on rare occasions, West Virginia, and Virginia. states: Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and Vermont. The United States Census Bureau defines the region as including nine U.S. Census Bureau for the collection and analysis of statistics. The Northeast is one of the four regions defined by the U.S. It is located on the Atlantic coast of North America, with Canada to its north, the Southern United States to its south, and the Midwestern United States to its west. Since hail can cause the rainfall estimates to be higher than what is actually occurring, steps are taken to prevent these high dBZ values from being converted to rainfall.The Northeastern United States, also referred to as the Northeast, the East Coast, or the American Northeast, is a geographic region of the United States. Hail is a good reflector of energy and will return very high dBZ values. These values are estimates of the rainfall per hour, updated each volume scan, with rainfall accumulated over time. Depending on the type of weather occurring and the area of the U.S., forecasters use a set of rainrates which are associated to the dBZ values. The higher the dBZ, the stronger the rainrate. Typically, light rain is occurring when the dBZ value reaches 20. The scale of dBZ values is also related to the intensity of rainfall. The value of the dBZ depends upon the mode the radar is in at the time the image was created. Notice the color on each scale remains the same in both operational modes, only the values change. The other scale (near left) represents dBZ values when the radar is in precipitation mode (dBZ values from 5 to 75). One scale (far left) represents dBZ values when the radar is in clear air mode (dBZ values from -28 to +28). Each reflectivity image you see includes one of two color scales. The dBZ values increase as the strength of the signal returned to the radar increases. So, a more convenient number for calculations and comparison, a decibel (or logarithmic) scale (dBZ), is used. Reflectivity (designated by the letter Z) covers a wide range of signals (from very weak to very strong). 'Reflectivity' is the amount of transmitted power returned to the radar receiver. The colors are the different echo intensities (reflectivity) measured in dBZ (decibels of Z) during each elevation scan.

Northeast doppler radar 1800 mile