Here’s a summary of the key information from the provided text:
* Tour Down Under Prologue Winner: Samuel Watson won the prologue and the first ochre jersey.
* Fire danger: The areas around Adelaide have an ‘extreme’ fire danger rating for Friday.A recent bushfire burned over 1,600 acres near Willunga Hill (where stage 4 will be held).
* Stage Cancellation Possible: Race organizers are monitoring the fire risk and stage cancellations are a possibility if conditions worsen.
* UCI Weather Protocol: The UCI has extreme weather protocols. A Wet Bulb Globe Temperature above 28°C puts races in a “red zone” where adjustments (time changes, neutralization, cancellation) are considered.
* Heat Considerations: while heat is a factor, O’Grady notes races haven’t been cancelled due to heat yet, and regulations consider humidity as well.
