They're big, they're red, and - like London buses - alerts on the economy .... Often come in bunches.
For Britain, after last week's warnings from the Bank of England, brace for more this week.
The UK's first Q4 GDP reading on Monday opens a packed data diary.
And Governor Carney himself returns on Tuesday for a speech on the global outlook.
His 2019 forecast for the lowest UK growth in a decade already has markets on edge.
(SOUNDBITE) (English) GOVERNOR OF THE BANK OF ENGLAND, MARK CARNEY, SAYING: ''In the context of Brexit, uncertainty itself is one of the factors that are driving the current outlook for growth and inflation." Brexit will take centre stage too.
UK prime minister Theresa May returns to parliament on February 14 for a further round of debate on her contentious EU withdrawal deal.
Elsewhere, the data's likely to dominate.
Japan and Germany also release their first Q4 growth estimates .... In a week when the US and China are set to resume trade talks .... And a week after German business downgraded its own forecasts.
(SOUNDBITE) (German) DIHK CHIEF EXECUTIVE, MARTIN WANSLEBEN, SAYING: "This year, we expect only 0.9 percent growth.
We have sharply reduced our forecast from last Fall, when we estimated 1.7 percent." More pieces of the growth puzzle will come from trade data.
After the UK's on Monday, China reports on Thursday.
Just two weeks and a day ahead of the US/China trade deal deadline of March 1st … It could make for nervous reading.