they begin life as small thunderstorms over the warm waters of the north atlantic ocean. a great many of them are centered on an area known as hurricane alley. this takes in the cape verde islands off the northwest coast of africa; the outer islands of the caribbean; mexico and texas in the us. the alley also encompasses the western part of the gulf of mexico. hurricanes which begin here usually head straight for the us gulf coast and the florida panhandle in particular. (continuation of map) before a hurricane forms the temperature of the sea has to be at least 80 degrees fahrenheit. as the storm develops overhead it draws warm moist air up into the atmosphere in a great column. the rising air cools rapidly, to be followed by yet more air from the surface of the sea far below. when it reaches the weather system above, the air, motivated by the rotation of the earth, starts moving around a centre of very low pressure. this is known as the eye and no matter how violent the storm which surrounds it, the eye is calm and still. the further it travels the more warm moist air i

the titanic sank april 13th, 1912, in the north atlantic ocean. am following them as we speak. >> you are very media savvy. tell us what's coming up. >> we got folks from italy joining us already. tonight we'll talk about the bay area executive killed on the train tracks, recently diagnosed with a form of bipolar disorder. we'll talk to a couple experts about what that is and help us understand that condition and of course we're talking the big game. >> good night. >>> i'm suzanne shaw editorial director. throughout california thousands of public school teachers are once again anxiously waiting to see if they'll get pink slips on march 15th. that's the deadline for districts to notify staff if there is a chance they'll lose their jobs. imagine what that does for morale. it's not the teachers' fault. it's our state government. unable to plan a balanced budget. what other industry threatens its work force with layoffs year after year? yet we expect teachers to soldier on and keep mentoring and nurturing our kids? last march 20,000 california teacher

. >>> a field that normally makes its home in the cooler waters of the north atlantic and arctic oceans decides to make a stop in the baltimore area. the harp seal has been spotted sunning itself here. an official with the national aquarium in baltimore says harp seals do swim south along the east coast from their home waters, but they are rarely seen in the chesapeake bay. must be our warm winter. the seal appears to be healthy and officials plan to monitor it. >> i think it's more basic than that. i think it's crab cakes. >> maybe so! >>> still to come tonight on eyewitness news, manhattan madam? a mother of four arrested, accused of running a high end escort service. will she give up her client list? >>> crossing the finish line. the helping hand one organization is giving to special needs students. >>> i'm gigi barnett at the bear school in west baltimore. that story, straight ahead. >> turning girls into sex slaves and the boys into child soldiers. >>> kony campaign. how this video about a war lord became the biggest viral hit in the history of the internet, and the controversy sur

north with ocean air comes in. both of them combine around the atlantic.ee a shower or a that you are tomorrow and rain as the low passes here on sunday. and yes, it will get progressively cooler. the bay temperature is around 54. maybe a shower or a thundershower. 57 for a low tomorrow. it will still get in the upper 60s and low 70s by. a good chance of showers and a thunderstorm or two on your saturday. and rain likely. >>> still to come tonight -- >> reporter: a police pursuit ends in a fiery crash. did a police decision to chase , it's oysternomics 101. you start with a u.s. senator named ben. by helping restore thousands of acres of oyster beds, he kept hundreds of oystermen on the job... which keeps wholesalers in business... and that means more delivery companies... making deliveries to more restaurants... which hire more workers. and that means more oystermen. it's like he's out here with us. he's my friend, ben. i hope he's your friend, too. >>> coming up next on wjz eyewitness news at 5:00 -- two teens killed during a high speed chase. why police

north and west. overall mid-60s to upper 50s in ocean city. for most of us it's mild on a south wind. that's a mild air flow. we're expecting it to continue. mid-atlantic radar showing limited activity, some in gairp rete county. by have the clouds beginning to fill fer. that will help keep temperatures up tonight. if we keep a decent cloud deck that will keep temperatures up warmer. the trend is for more warm air to continue to surge in. ahead of our weak area of low pressure a bit of a disturbance a trough line that will come through, spark showers, maybe a thunderstorm or two. with temperatures in the mid-70s, we'll have the potential for scattered storms. this is 5 a.m., maybe a shower for your early morning commute. as we move into tuesday evening and afternoon indicating a line of storms. it could be a pop-up thunderstorm or two trying to sneak out in the mid-70s. watch out for possibly at least a passing shower or thundershower. looks like it will be dry on wednesday. overnight 52, clouds on the increase. tomorrow your two-degree guarantee, cloudy, chance for shower. then we'll dry out and stay mild overnight. you talk about mild. here's the out

on the show you trek across north america and close to liz sards, vultures, and endangered speice seas. >> everywhere from the bottom of the grand canyon and the atlantic oceanu scared? these are predators you're talking about. >> fears can sometimes be a handicap. you don't want to be afraid. you want to be confident and understand the animals, it's my job to document them and not harass them and hope that people fall in love with them. >> you want to be that. what about us, what about people camping on family trips see something like this. >> how should they act. >> you know, one thing you've always got to remember, these guys are usually more afraid of people than you are of them. if you have a good understanding. prepare yourself with knowledge, animals are peaceful. so, that's the best way to could he exist. >> one of the things you talk about wolverines, my perspective comes from the x-men. >> we don't have a lot of video, national geographic, incredible resource, you get up close and personal, what did you find. >> exactly what you're saying, they've hardly ever been filmed. everything we got like almost first, once in a lifetime thing. and one thing