The Wenatchee World

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The latest extended forecast from The Weather Channel

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Flash Flood Watch issued August 22 at 6:37AM PDT until August 22 at 9:00PM PDT by NWS

...STORMS FRIDAY AFTERNOON MAY PRODUCE FLASH FLOODING OR MUD SLIDES OVER NORTH CASCADE BURN SCARS... .SLOW MOVING SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON AND CONTINUE THROUGH EARLY FRIDAY EVENING. LOCALLY HEAVY RAIN WILL BE A POSSIBILITY IN AREAS RECENTLY BURNED BY WILDFIRES...INCLUDING THE CARLTON... CHIWAUKUM...LITTLE BRIDGE

Today

Hi80° Scattered Thunderstorms

Tonight

Lo63° Scattered Showers

Saturday

Hi82° Sunny

Saturday Night

Lo58° Mostly Clear

Sunday

Hi84° Slight Chc Showers

Sunday Night

Lo64° Partly Cloudy

Monday

Hi86° Mostly Sunny

Monday Night

Lo62° Mostly Clear

Tuesday

Hi91° Sunny

Tuesday Night

Lo64° Mostly Clear

How do they make the ice at a skating rink?

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Whether you are watching a figure skating competition at the Winter Olympics or a professional hockey game on TV, you are looking at one of the great unsung marvels of the modern age — indoor ice. The fact that people can go skating in the summer, or that spectators can watch ice hockey in a warm arena, would amaze our ancestors. Let’s take a look at how a modern ice rink works. The rink starts out as a thick slab of concrete with miles of pipe embedded in it. The pipes are filled with ice cold brine that comes from a large refrigeration plant. This plant uses the same kind of compressor technology that you find in your home refrigerator/freezer to create the ice cold temperatures. But it has been scaled up to massive size. The brine might be at 15 degrees F so the surface of the concrete drops below freezing.

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