. >> for 22 years, wayne perryman and a team from noaa have been here from march until may, counting and collecting data on gray whales migrating north...from the breeding grounds of mexico...to the arctic...a trip of 6,800 miles. >> this point is kind of a focal point for them and we're able to see them very very well, they pass often within a 100 meters of the beach so it's a great place to count animals. >> gray whales swim close to land as protection against their main predator... killer whales. even so it takes a sharp eye and strong binoculars to spot the northern migration. once they do, "it's go time" for a one of a kind unmanned aircraft named mobly. >> to the right, to the right, ok now move, they're in the middle of the frame. >> they're right there. >> keep on going up. >> hold on hold on. >> they're surfacing in the middle of the frame. >> good. >> come down a little bit. >> hows that? >> they're moving to the right, i see them underwater. >> noaa scientist and pilot john durban is tracking a mother and her calf from a distance of about three quarters of a mile out from

perryman says: "i get my kids, i get their jackets on, and when they say 'shelter's open,' that's where we go" davis says: "my concerns are being safe and staying out of this mess." meanwhile, the powerful snowstorm that buried the rockies in more than a foot of snow is now crawling into the upper midwest... bringing heavy snowfall from colorado to northern michigan.... prompting schools and businesses to close.... and making travel a nightmare in the skies and on the roads. mos says: "hopefully you get traction and good luck the roads are pretty bad hopefully they'll come sweep through this." the storm system is expected to blow into the northeast by late wednesday... as it moves east. news. temperatures will be chilly tonight as we drop to the low teens with wind chills in the single digits through morning. what's america's best-selling brand of trucks? you're in for a big surprise, pal. actually, you're not. it's ford f-series, again. and, it wasn't even close. same trucks that have been leading the industry for 39 straight years. why? game changin' innovation. like f-150's high-stre

perryman says: "i get my kids, i get their jackets on, and when they say 'shelter's open,' that's where we go" davis says: "my concerns are being safe and staying out of this mess." meanwhile, the powerful snowstorm that buried the rockies in more than a foot of snow is now crawling into the upper midwest... bringing heavy snowfall from colorado to northern michigan.... prompting close.... and making travel a nightmare in the skies and on the roads. mos says: "hopefully you get traction and good luck the roads are pretty bad hopefully they'll come sweep through this." (weather anim - with track) this afternoon: increasing clouds with rain developing this evening. highs: low to mid-70s. winds: s 10-20 mph. tonight: rain with a few isolated thunderstorms. temps: falling into the upper-50s by 7 am. winds: s to w 5-15 mph. thursday: cloudy with intermittent showers. temps: gradually falling into the mid-40s by 5 pm. winds: n 5-10 mph. it's a tough day to sit in a classroom or an office - we are already tracking temperatures in the 70s in some spots across hampton roads. clouds will graduall