NE SciFest: Weather technology, radar and satellite

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NE SciFest: Weather technology, radar and satellite

NE SciFest: Weather technology, radar and satellite

THE NEBRASKA SCIENCE FESTIVAL HAS EVENTS ALL MONTH LONG ENCOURAGING YOU TO EXPLORE SCIENCE AND LEARN SOMETHING NEW. JOHN: ALSO DEMONSTRATING WEATHER EXPERIMENTS AND LEARNING MORE ABOUT METEOROLOGY FROM OUR WEATHER NOW STORM TEAM HERE AT 7 BURLINGTON STATION. MATT SERWE HAS MORE ON HOW THE RADAR WORKS. MATT: SOMETHING WE TYPICALLY SEE A LOT DURING THE SEVERE WEATHER SEASON. THE WEATHER RADAR. HOW DOES IT WORK? THE RADAR SENDS OUT TWO PULSES OF ENERGY. ONE IN THE HORIZONTAL AND ONE IN VERTICAL. IT LISTENS FOR HOW MUCH OF THAT SIGNAL IS SENT BACK WHEN IT HIT SOMETHING. USUALLY RAIN OR HAIL. THIS PROCESS TAKES LESS THAN 1000TH OF A SECOND. HOW LONG IT TAKES DETERMINES THE DISTANCE FROM THE RADAR SITE AND THE INTENSITY OF WHATEVER IT IS HITTING BE AT RAIN OR HAIL. IT TAKES ABOUT 20 SECONDS TO GET ONE FOR 360 DEGREE SWEEP AROUND THE RADAR BUT IT TAKES ANYWHERE BETWEEN TWO MINUTES AND SIX MINUTES TO SCAN ALL THE WEIGHT IN THE VERTICAL. IT TAKES SEVERAL SLICES OF THE ATMOSPHERE AND THIS WHOLE PROCESS REPEATS ALL THE WAY FOR THE DAY AND THAT IS HOW THE WEATHER RADAR GIVES US A PRETTY GOOD PICTURE OF THE RAIN A

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NE SciFest: Weather technology, radar and satellite

Radar and satellite are common weather tools used in every forecast. Meteorologist Matt Serwe explains how they work and what they do.

Radar and satellite are common weather tools used in every forecast. Meteorologist Matt Serwe explains how they work and what they do.

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