american red cross regional chief executive officer trevor riggen says his bay area team is in constant contact with those on the ground.riggen. we are collecting financial donations. they allow us to buy supplies for those in need. riggen says they appreciate bay area residents who want to drop off items - but he says in emergency situations like a hurricane, the red cross has learned they can best help by offering necessary supplies purchased with donations. for example: riggen. bleach is something we need a lot a gloves, so we can buy that in block with donations. diapers, food, clothes, toothpaste, formula, warm blankets - again, riggen says all items they those impacted need and they are in the process of getting those items to houston residents. terisa estacio, and it is not just donations, but volunteers being sent. riggen says volunteers are getting speciality training now to be deployed. riggen. they will be nurses, first aid, counselors. in sf, terisa estacio kron four news. (tiffany) and if you would like to help people affected by harvey... you can text the word "harvey" to