NOW · UTRECHT
Strong signal
Many migrating birds are active above your location.
Night migration, clearly explained
The sky is alive.
Now you can see it.
Flock Signal turns current KNMI radar data into one clear night signal for your location.
Live above UtrechtStrong migration
Night signalPeak around 23:30
Radar refreshes every five minutesdata: KNMI
LIVE RADARNIGHT SIGNALSYOUR LOCATIONBIRD MIGRATION
From radar data to the right moment
Everything you need to look up.
No technical maps or endless charts. Just enough to know what is happening above you.
LIVE MAP
Utrecht
See where migration flows.
From the Wadden Islands to beyond the border.
AUTOMATIC
FLOCK SIGNAL · NOWMajor migration above UtrechtIntensity is rising quickly.
Never miss a peak night.
TONIGHT
Know tonight when it will happen.
Flock Signal Plus personalises the forecast with your own locations and thresholds.
Peak around 23:30
Raw radar coordinates become a calm signal you understand immediately.
One glance is enough
From now to tonight.
The app only shows what matters to you right now.
01
Open. See the signal.
Live immediately, with no searching. A simple answer to one question: are birds migrating overhead tonight?
Live above your location02
Follow the movement.
See how broad migration moves across the map.
The Netherlands, Belgium and Germany
03
Get a signal.
Let Flock Signal watch the sky and look up when the night becomes remarkable.
Personal night signalsMade for curious outdoor people
Feel more. Search less.
Now available on the App Store
Know when the sky comes alive.
Download Flock Signal for iPhone and discover night migration above your location.
Download for iPhone