jump to navigation

Wind farms may fool forecasters September 2, 2009

Posted by honestclimate in Discussions.
Tags: , , ,
trackback

Wind farms may fool forecasters

NZ Herald
September 2, 2009

As long as meteorologists know where the wind farms are they are less likely to cause issues. Photo / Supplied

As long as meteorologists know where the wind farms are they are less likely to cause issues. Photo / Supplied

Moving turbine blades can look a lot like a thunderstorm or even a tornado on radar

Storm clouds are gathering on the horizon for New Zealand weather forecasters, as the number of wind farms grow.

Wind farms generate a storm-like appearance on weather radars, which has caused incorrect forecasts overseas and is now prompting predictions of similar problems here.

Doppler radars used by meteorologists detect storms by picking up movement in the air, MetService chief forecaster Rob Stainer said.

Stationary objects such as buildings and mountain ranges were easily filtered out, but moving wind turbine blades could look a lot like a thunderstorm or even a tornado on the radar.

Problems seemed to occur when wind farms and radar stations were set up within about 18km of one another.

It could cause some serious issues – a tornado alert was recently issued in the United States after a particularly active wind farm was misinterpreted by one meteorologist.

Read the rest here

Comments»

No comments yet — be the first.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: