>> reporter: and vegetables, too. california's central valley grows at least 70% of the country's broccoli, cauliflower, and celery. what's that going to do to prices? >> prices are going to go up. >> reporter: are we talking about just a few pennies, more expensive? >> no, we're talking dollars. if last year you were able to buy something for 79 cents a pound, you're going to pay $1.29 or $1.49. >> reporter: and several cities near san francisco also rely heavily on the water supply. scott, today they were told they may only receive 50% of their water allocations this year. >> pelley: carter, thank you. well, there is too much water on the other side of the country. today a wave of severe storms pushed east from florida to new jersey. in the midwest, melting snow is causing floods. dean reynolds is in riverside, illinois, tonight. dean. >> reporter: scott, the brief thaw that we enjoyed this week is causing what you see behind me-- ice jams. and they're a concern here and across the midwest tonight.