nowcasting

Weather with Cliff Mass
9:08 am
Fri October 7, 2011

Rain off and on, but without ‘nowcasting’ it's hard to pinpoint

Expect light rain off and on through out the weekend, but less of it on Saturday.
Aarthi Ramamurthy Flickr

Forecasters aren’t perfect, but we can be pretty sure of the rain falling this morning.

The cooler temps and heavier rain are a few weeks early, forecaster Cliff Mass told KPLU’s Keith Seinfeld, but the front dropping this rain will move through by mid-day today leaving Saturday mostly dry with rain returning that evening through Sunday morning.

But this could all be off by a few hours either way, because the official forecasters only publish every six hours. And those forecasts are used by nearly all the different weather Websites and news organizations.

Read more