• It has rained so much in Houston after Harvey, NWS adds new colors to weather maps

    By: Natalie Dreier, Cox Media Group National Content Desk


    When you have 30 or more inches of rain falling over only a few days, adjustments have to be made. The National Weather Service is no exception.

    The weather forecasters have had to add new colors to their weather maps, Mashable reported.

    >>Tropical Storm Harvey: 12 trillion gallons of rain have hit Texas, experts say

    NWS added a light purple, or lavender, layer to show what it is calling “unfathomable rain,” or greater than 30 inches.

    And more rain is on the way.

    >>Hurricane Harvey: How can you help 

    This isn’t the first time a new color was needed to illustrate a weather phenomenon. In 2013, Australia needed another color for a deadly heat wave that blanketed the island continent, the Guardian reported.

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    Experts say 12 trillion gallons of rain has fallen in Texas during Harvey.

    >>Houston braces for more flooding after Harvey: Live updates



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