National Weather Service Adds New Colors So It Can Map Harvey’s Rains

The colors a National Weather Service uses to uncover rainfall on a continue map couldn’t paint a torrent in southeastern Texas — so a NWS combined dual some-more purple shades to a map. The aged scale surfaced out during some-more than 15 inches; a new extent tip 30 inches.

The pierce came as forecasters advise of continued inundate dangers and refurbish flood totals from what a NWS is job “unprecedented” rainfall from Tropical Storm Harvey, that done landfall as a Category 4 charge late Friday.

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In a note about a change, a continue group pronounced on Monday, “Some viewpoint on a volume of rainfall that Tropical Storm Harvey has put down opposite Southeastern Texas and Southwestern Louisiana. We’ve had to refurbish a tone charts on a flood graphics in sequence to effectively map it.”

While a aged scale used 13 colors from light immature to dim purple to etch flood from 0.1 in. to larger than 15 inches, a new one resets that dim purple tone to imply 15-20 inches of sleet — and tacks on dual some-more lighter shades of purple to imply 20-30 inches and “greater than 30 inches.”

Sadly, those new levels are not hypothetical, as many residents along a center Texas seashore and internal areas can attest. And complicated rainfall is foresee to continue this week.

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Nearly 40 inches of sleet have depressed nearby Dayton, Texas; during slightest 15 other areas also available rainfall nearby or above 30 inches, according to a sovereign Weather Prediction Center’s total that it expelled around midday Monday.

Over a past 72 hours, some-more than a dozen locations in 5 counties have all available sleet estimates above 30 inches, a NWS bureau in Houston reports.

In Houston, rainfall set a new daily record Sunday, with 16.07 inches reported during a city’s categorical airport. On Saturday and Sunday, a NWS said, some-more than 2 feet of sleet (24.44 inches) fell.