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The scale of dBZ values can be seen along the bottom of the image. Decibel relative to Z, or dBZ, is a logarithmic dimensionless technical unit used in radar. It is mostly used in weather radar, to compare the equivalent reflectivity factor (Z) of a remote object (in mm 6 per m 3) to the return of a droplet of rain with a diameter of 1 mm (1 mm 6 per m 3). [1]
So God instructed him to build an ark (in Hebrew, a chest or box), and Noah entered the Ark in his six hundredth year [of life], and on the 17th day of the second month of that year "the fountains of the Great Deep burst apart and the floodgates of heaven broke open" and rain fell for forty days and forty nights until the highest mountains were ...
An intensity-duration-frequency curve (IDF curve) is a mathematical function that relates the intensity of an event (e.g. rainfall) with its duration and frequency of occurrence. [1] Frequency is the inverse of the probability of occurrence. These curves are commonly used in hydrology for flood forecasting and civil engineering for urban ...
Didn't It Rain", sometimes given as "Oh, Didn't It Rain", is a spiritual about Noah's flood. [ 1 ] [ 2 ] In 1919 it appeared as sheet music in an arrangement for voice and piano by Henry Thacker Burleigh (1866–1949).
Noah prepares to leave the antediluvian world, Jacopo Bassano and assistants, 1579. In the Christian Bible, Hebrew Torah and Islamic Quran, the antediluvian period begins with the Fall of the first man and woman, according to Genesis and ends with the destruction of all life on the earth except those saved with Noah in the ark (Noah and his wife, his three sons and their wives).
The structure of the Ark (and the chronology of the flood) is homologous with the Jewish Temple and with Temple worship. [9] Accordingly, Noah's instructions are given to him by God (Genesis 6:14–16): the ark is to be 300 cubits long, 50 cubits wide, and 30 cubits high (approximately 134×22×13 m or 440×72×43 ft). [10]
Rainfall forecasts can be verified a number of ways. Rain gauge observations can be gridded into areal averages, which are then compared to the grids for the forecast models. Weather radar estimates can be used outright, or corrected for rain gauge observations. [4] Several statistical scores can be based on the observed and forecast fields.
The Weather Prediction Center (WPC), located in College Park, Maryland, is one of nine service centers under the umbrella of the National Centers for Environmental Prediction (NCEP), a part of the National Weather Service (NWS), which in turn is part of the National Oceanic and Atmospheric Administration (NOAA) of the U.S. Government.