11. Friday's weather predictions indicate's Meert's wishes will be granted . rac 12. Insolation is essential for numerical weather prediction and understanding seasons and climate change. 13. Radiosonde data is a crucially important component of numerical weather prediction . 14. The United States government maintains a Space Weather Prediction Center at Boulder, Colorado. 15. Before 1976, weather predictions were typically for a maximum of two days ahead. 16. Obviously, these schedule adjustments are based on current weather predictions . 17. El Nino forecasts, like typical long-range weather predictions , are inexact. 18. Call me cynical, but I'm a little suspicious of disastrous weather predictions just now. 19. Computer simulations with limited observations make weather predictions with little usefulness, especially for pilots. 20. North Atlantic responsibilities are backed up by the Weather Prediction Center ( WPC ).