Weather front areas of precipitation help determine the frontal type and location. There are two different meanings used within meteorology to describe weather around a frontal zone. The term "anafront" describes boundaries which show instability, meaning air rises rapidly along and over the boundary to cause significant weather changes. A "katafront" is weaker, bringing smaller changes in temperature and moisture, as well as limited rainfall. A cold front is located at the leading edge of the temperature drop off, which in an isotherm analysis shows up as the leading edge of the isotherm gradient, and it normally lies within a sharp surface
Bet (letter) The name "bet" is derived from the West Semitic word for "house", and the shape of the letter derives from a Proto-Sinaitic glyph that may have been based on the Egyptian hieroglyph "Pr" O1 which depicts a house. The Arabic letter is named "" (). It is written in several ways depending on its position in the word: The letter normally renders sound, except in some names and loanwords where it can also render , often arabized as , as in (Persil). For , it may be used interchangeably with the Persian letter - "pe" (with 3 dots) in this