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  2. Watch: Helene's storm surge floods Tampa, Fort Myers as ... - AOL

    www.aol.com/news/watch-helenes-storm-surge...

    The forecast is for water up to 8 feet above the normal high tide line in and around ... That may shave off 1-3 feet of water rise, but immense damage is still likely, the FOX Forecast Center said ...

  3. Standard step method - Wikipedia

    en.wikipedia.org/wiki/Standard_Step_Method

    Standard step method. The standard step method (STM) is a computational technique utilized to estimate one-dimensional surface water profiles in open channels with gradually varied flow under steady state conditions. It uses a combination of the energy, momentum, and continuity equations to determine water depth with a given a friction slope ...

  4. Bryan Norcross: Extreme hurricane scenario developing for ...

    www.aol.com/news/bryan-norcross-extreme...

    The forecast is for water up to 8 feet above the normal high tide line in and around Tampa Bay IF the peak surge comes at the time of high tide. But even at low tide, the water level is forecast ...

  5. Wednesday, Sep 25 update: Latest on Tropical Storm Helene ...

    www.aol.com/tropical-storm-helene-tuesday-sep...

    Storm surge could raise water levels by as much as 2 to 4 feet above normal tide levels in areas of onshore winds along the southern coast of Pinar del Rio, Cuba, including the Isle of Youth.

  6. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    Excel maintains 15 figures in its numbers, but they are not always accurate; mathematically, the bottom line should be the same as the top line, in 'fp-math' the step '1 + 1/9000' leads to a rounding up as the first bit of the 14 bit tail '10111000110010' of the mantissa falling off the table when adding 1 is a '1', this up-rounding is not undone when subtracting the 1 again, since there is no ...

  7. Phase diagram - Wikipedia

    en.wikipedia.org/wiki/Phase_diagram

    The phase diagram shows, in pressure–temperature space, the lines of equilibrium or phase boundaries between the three phases of solid, liquid, and gas. The curves on the phase diagram show the points where the free energy (and other derived properties) becomes non-analytic: their derivatives with respect to the coordinates (temperature and ...

  8. Dew point - Wikipedia

    en.wikipedia.org/wiki/Dew_point

    In normal conditions, the dew point temperature will not be greater than the air temperature, since relative humidity typically [5] does not exceed 100%. [ 6 ] In technical terms, the dew point is the temperature at which the water vapor in a sample of air at constant barometric pressure condenses into liquid water at the same rate at which it ...

  9. Runoff curve number - Wikipedia

    en.wikipedia.org/wiki/Runoff_curve_number

    The runoff curve number (also called a curve number or simply CN) is an empirical parameter used in hydrology for predicting direct runoff or infiltration from rainfall excess. [1] The curve number method was developed by the USDA Natural Resources Conservation Service, which was formerly called the Soil Conservation Service or SCS — the ...