>> yesterday it was terrifying. they said you have to get out now. >> reporter: the johnson family is one of 7,000 families here in longmont ordered to flee the rising waters from the river, a usually mild mannered creek. they overhauled the creek, hoping to improve flood mitigation, reducing risk to life and property. longmont may be reeling from the storm, but the community is reaching out to neighboring lyons which faired worse. they tend to be prepared for emergencies. >> had water and kerosene lamp. >> reporter: when the national guard comes to your doorstep, you know it is time to go. >> that was kusa reporter cory rose. straight ahead, phillippe queues tow and his team in the dwindling rainforest of sumatra.