Geography of Lafayette, Louisiana

Lafayette, Louisiana is part of the Gulf Coastal Plain region of the United States and is located at Coordinates 30°12′50″N 92°01′46″W.[1] It has an elevation of 36 feet (11.0 m).[2] One of the physical characteristics of the geography include many streams that drain the parish. The primary river that runs through the city is the Vermillion River (Louisiana). This river was formed by the confluence of a few small bayous, stretches about 70 miles long,[3] and drains into the Gulf of Mexico. Most of Lafayette's landscape is urban; however its humid and subtropic climate during the summer allow it to house many species of birds, alligators, and fish. The winter season is mild. While Lafayette is situated in a geographic location that is overall relatively safe, the city is susceptible to flooding; hurricanes are also a common natural disaster.

Geography

Lafayette is located at 30°12′50″N 92°01′46″W[4] and has an elevation of 36 feet (11.0 m).[5]

According to the United States Census Bureau, the city has a total area of 47.7 square miles (123.5 km²), of which, 47.6 square miles (123.3 km²) of it is land and 0.1 square miles (0.2 km²) of it (0.19%) is water.

Lafayette is located on the West Gulf Coastal Plain. What is now Lafayette was part of the seabed during the Quaternary Period. During this time, the Mississippi River cut a 325-foot-deep (99 m) valley between what is now Lafayette and Baton Rouge. This valley was filled and is now the Atchafalaya Basin. Lafayette is located on the western rim of this valley. This land, called the southwestern Louisiana Prairie Terrace is higher in elevation, and not made of wetland like much of the surrounding areas to the south and east of Lafayette. Because of this, Lafayette does not suffer significant flooding problems.

The Vermilion River runs through the center of Lafayette. Other significant waterways in the city are Isaac Verot Coulee, Coulee Mine, Coulee des Poches and Coulee Ile des Cannes, which are natural drainage canals that lead to the Vermilion River.

Climate

Lafayette's climate is described as humid subtropical using Köppen climate classification. Lafayette is typical of areas along the Gulf of Mexico in that it has hot, humid summers a mild winters. (See table below for average temperatures for Lafayette.)

Climate data for Lafayette, Louisiana
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 89
(32)		 87
(31)		 93
(34)		 93
(34)		 98
(37)		 106
(41)		 107
(42)		 103
(39)		 101
(38)		 96
(36)		 92
(33)		 89
(32)		 107
(42)
Average high °F (°C) 64
(18)		 66
(19)		 72
(22)		 79
(26)		 86
(30)		 91
(33)		 92
(33)		 92
(33)		 89
(32)		 82
(28)		 72
(22)		 64
(18)		 79
(26)
Average low °F (°C) 43
(6)		 45
(7)		 51
(11)		 57
(14)		 64
(18)		 70
(21)		 72
(22)		 72
(22)		 67
(19)		 57
(14)		 48
(9)		 43
(6)		 57
(14)
Record low °F (°C) 10
(−12)		 2
(−17)		 24
(−4)		 32
(0)		 42
(6)		 53
(12)		 57
(14)		 53
(12)		 41
(5)		 27
(−3)		 21
(−6)		 14
(−10)		 6
(−14)
Average precipitation inches (mm) 5.0
(130)		 4.5
(110)		 4.2
(110)		 4.3
(110)		 4.8
(120)		 5.5
(140)		 6.7
(170)		 5.6
(140)		 4.1
(100)		 3.3
(84)		 3.9
(99)		 5.4
(140)		 57.3
(1,460)
Source: Weatherbase[6]
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gollark: soooooortiqu?
gollark: Not soooooortic, soooooortiq.
gollark: It *should* be pronounced soooooortiq, but sertic is better than sour tic.
gollark: How would you pronounce "u" as "ou"?

References
  1. "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Archived from the original on 2002-05-27. Retrieved 2017-02-17.
  2. "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2017-02-17.
  3. U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-04-05 at WebCite, accessed June 20, 2011
  4. "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23.
  5. "US Board on Geographic Names". United States Geological Survey. 2007-10-25. Retrieved 2008-01-31.
  6. "Historical Weather for Lafayette, Louisiana, United States of America". Weatherbase.com. 2009. Retrieved 2009-07-20.


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