To determine if we will have a good day NOAA READY How to use http://www.arl.noaa.gov/ready/cmet.html? To determine if we will have a good day

Type in coords in decimal degrees

Use Google Earth to get Coordinates Save as kml Open with Notepad <longitude>28.46723923176641</longitude> <latitude>-26.35446819653362</latitude>

Browser Bookmark In Google Earth create a Placemark Edit the Properties and add …. http://www.arl.noaa.gov/ready-bin/main.pl?Lat=-25.66&Lon=30.75 in the Description Area Now you always have a shortcut Locate your spot in Google Earth Convert the coords to decimal degrees Save it as a

Choose Sounding

Choose start time , Java, time range, only to 400mb ,

Type in access code

Dew Point Wind speed Altitude Temperature Wind Direction Altitude is in pressure , roughly 100 difference corresponds to 1000m , This one shows good thermals already at 11.00 Temperature Wind Direction

Still good at 14.00

And still ok at 17.00

Example of a De Aar world record day

Good Day X like shape Going up high Wind not strong on the ground = 10kt

Lousy conditions, = raining

Good day / Bad day