Low back pain — Infobox Disease Name = Low back pain Caption = DiseasesDB = ICD10 = ICD10|M|54|4|m|50 ICD10|M|54|5|m|50 ICD9 = ICD9|724.2 ICDO = OMIM = MedlinePlus = 003108 eMedicineSubj = pmr eMedicineTopic = 73 MeshID = D017116 Low back pain (sometimes… … Wikipedia
Low-pressure area — This depiction of the Hadley cell shows the process which sustains low pressure areas. Diverging winds aloft allow for lower pressure and convergence at the Earth s surface, which leads to upward motion. A low pressure area, or low , is a region… … Wikipedia
Kelvin–Helmholtz instability — Numerical simulation of a temporal Kelvin–Helmholtz instability The Kelvin–Helmholtz instability, after Lord Kelvin and Hermann von Helmholtz, can occur when velocity shear is present within a continuous fluid, or when there is sufficient… … Wikipedia
Convective instability — For a more general discussion of the same phenomenon, see Convective available potential energy. This article incorporates public domain text created by the US government. In meteorology, convective instability or stability of an airmass refers… … Wikipedia
Cold-core low — Image of an upper tropospheric cyclonic vortex in the western North Pacific, a cold core low A cold core low … Wikipedia
Pelagic Ecology of the Low Salinity San Francisco Estuary — Pelagic organisms spend all or part of their lives in the open water, where habitat isdefined not by edges but by physiological tolerance to salinity and temperature. The LowSalinity Zone (LSZ) of the San Francisco Estuary constitutes a habitat… … Wikipedia
May 2003 tornado outbreak sequence — Date of tornado outbreak: April 30–May 11, 2003 Duration1: 12 days Maximum rated tornado2: F4 tornado Tornadoes caused: 401 confirmed (most ever in an outbreak sequence) Damages … Wikipedia
Landspout — A landspout near North Platte, Nebraska on May 22, 2004. Note the characteristic smooth, tubular shape, similar to that of a waterspout. A landspout is a slang term coined by meteorologist Howard B. Bluestein in 1985 for a kind of tornado not… … Wikipedia
Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… … Universalium
climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… … Universalium
List of cloud types — Clouds are formed in Earth s atmosphere when water evaporates into vapor from oceans, lakes, and ponds or by evapotranspiration over moist areas of Earth s land surface. The vapor rises up into colder areas of the atmosphere due to convective,… … Wikipedia