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Hurricane Harvey's devastating impact by the numbers

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Posted at 10:59 AM, Aug 30, 2017
and last updated 2017-08-30 11:03:19-04

The toll that Harvey is taking on Texas is staggering.

Already, it has dumped 11 trillion gallons of rain over the state, says Ryan Maue with WeatherBell, a weather analytics company. And by the time Harvey dissipates, the state will have seen 25 trillion gallons of rain, he predicts.

Between midnight Friday and 9:20 a.m. Tuesday, 49.20 inches of rain fell in Texas — a record for continental US from a landfalling tropical cyclone, the National Weather Service said.

"The word catastrophic does not appropriately describe what we're facing," said Rep. Sheila Jackson Lee, who represents much of Houston. "We just don't know when it's going to end."

More Harvey numbers (as of Wednesday morning, Aug. 30, 2017):

11 trillion: Gallons of water dumped on Southern Texas as of Tuesday night

12 million: People under flood watches and warnings

3,400: Water rescues in Houston by Tuesday morning

30,000: People who will need temporary shelter

215,000: Students in Houston who are out of school due to class cancellations (7th largest district in U.S.)

56,000: Calls to Houston 911 in 15 hours (average per day is 8,000)

58: Counties under Texas disaster declaration

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2022 STORM NAMES

Alex

Bonnie

Colin

Danielle

Earl

Fiona

Gaston

Hermine

Ian

Julia

Karl

Lisa

Martin

Nicole

Owen

Paula

Richard

Shary

Tobias

Virginie

Walter

TERMS TO KNOW

TROPICAL STORM WATCH: An announcement that tropical storm conditions (sustained winds of 39 to 73 mph) are possible within the specified coastal area within 48 hours.

TROPICAL STORM WARNING: An announcement that tropical storm conditions (sustained winds of 39 to 73 mph) are expected within the specified coastal area within 36 hours.

HURRICANE WATCH: An announcement that hurricane conditions (sustained winds of 74 mph or higher) are possible somewhere within the specified coastal area. A hurricane watch is issued 48 hours in advance of the anticipated onset of tropical-storm-force winds.

HURRICANE WARNING: An announcement that hurricane conditions (sustained winds of 74 mph or higher) are expected somewhere within the specified coastal area. A hurricane warning is issued 36 hours in advance of the anticipated onset of tropical-storm-force winds.