millimeters, another 17 millimeters come thursday. that's upwards of 60 millimeters coming down over the next several days or about 2 sxchl inches of rainfall, which may not seem like a tremendous amount of rainfall but when you bring that down to even a football field or a soccer field level and measure that out it's not 500,000 liters, or 130,000 gallons of water. just in that 60 millimeters when it's spread out over a football field length. of course you put this over many, many meters of land and hectares of land across this region, it becomes a tremendous volume of water that is coming down, rushing down into communities, the mountainside. we know where the cave system is located. of course across this region when you funnel in on the order of millions potentially of liters of water into this region it could really put what is already a serious situation into an area that would be inaccessible for quite a bit of time. so this is again something folks are working very rapidly toward. >> we'll keep in touch with the weather situation. david mckenzie fliev northern thailand with some new information to share with us.