Derived Weather Parameters - Weather Warnings

Frost Warning | Heavy Rain Warning | Incessant Rain Warning | Snow Warning | Wind Warning | Thunderstorm Warning

Weather Warnings

All weather warning parameters are inspired by the descriptions of the DWD.

Frost

This parameter indicates if there is any frost.

frost_warning:idx
Warning Description Limits
0 No frost Temperature > 0°C
1 Frost Temperature from -9 °C to -1°C
2 Severe Frost Temperature < -10°C

Examples

Heavy Rain Warning

This parameter indicates if any heavy rain events will occur in a given time interval.

heavy_rain_warning_<interval>:idx

Available intervals: 1h, 6h

Warning Description Limits for 1h Limits for 6h
0 No severe rainfall < 15mm < 20mm
1 Heavy Rainfall 15mm to 25mm 20 mm to 35mm
2 Severe Heavy Rainfall 25mm to 40mm 35 mm to 60mm
3 Extreme Heavy Rainfall > 40mm &gt 60mm

Examples

Incessant Rain Warning

This parameter indicates if any incessant rain events will occur in a given time interval. A rain event is defined incessant if it lasts for at least 60 minutes.

incessant_rain_warning_<interval>:idx

Available intervals: 12h, 24h, 48h, 72h

Warning Description Limits for 12h Limits for 24h Limits for 48h Limits for 72h
0 No incessant rainfall < 25mm < 30mm < 40mm < 60mm
1 Incessant Rainfall 25mm to 40mm 30mm to 50mm 40mm to 60mm 60mm to 90mm
2 Severe Incessant Rainfall 40mm to 70mm 50mm to 80mm 60mm to 90mm 90mm to 120mm
3 Extreme Incessant Rainfall > 70mm > 80mm > 90mm > 120mm

Examples

Snow Warning

This parameter indicates if any severe snow fall will occur in a given time interval.

snow_warning_<interval>:idx

Available intervals: 1h, 6h, 12h, 24h, 48h

Warning Description Limits for 1h Limits for 6h Limits for 12h Limits for 24h Limits for 48h
0 No severe snowfall < 1cm
1 Snowfall < 1cm < 5cm < 10cm < 15cm < 20cm
2 Snowfall below 800m: 1cm to 2cm above 800m: 1cm to 4cm below 800m: 5cm to 10cm above 800m: 5cm to 20cm below 800m: 10cm to 15cm above 800m: 10cm to 30cm below 800m: 15cm to 30cm above 800m: 15cm to 40cm 20cm to 50cm
3 Heavy Snowfall below 800m: 2cm to 4cm above 800m: 4cm to 6cm below 800m: 10cm to 20cm above 800m: 20cm to 30cm below 800m: 15cm to 25cm above 800m: 30cm to 50cm below 800m: 30cm to 40cm above 800m: 40cm to 60cm 50cm to 70cm
4 Extreme Heavy Snowfall below 800m: > 4cm above 800m: > 6cm below 800m: > 20cm above 800m: > 30cm below 800m: > 25cm above 800m: > 50cm below 800m: > 40cm above 800m: > 60cm > 70cm

Examples

Wind Warning

This parameter indicates if any dangerous wind speeds will occur in a given time interval. Wind speeds are considered dangerous if they exceed 50 km/h.

wind_warning_<interval>:idx

Available intervals: 1h, 2h, 3h, 6h, 12h, 24h

Warning Description Limits
0 No severe wind conditions < 50km/h
1 Wind Gusts 50km/h to 64km/h
2 Squall 65km/h to 89km/h
3 Severe Squall 90km/h to 104km/h
4 Violent squall 105km/h to 119km/h
5 Gale-Froce Winds 120km/h to 139km/h
6 Extreme Gale-Force Winds > 140km/h

Examples

Thunderstorm Warning

This parameter indicates if any thunderstorms will occur in a given time interval.

tstorm_warning_<interval>:idx

Available intervals: 1h

Warning Description Criteria
0 No thunderstorms  
1 Thunderstorm Occurrence of electric discharge
2 Heavy thunderstorm Occurrence of electric discharge in combination with strong gale, heavy rain or hail
3 Severe thunderstorm Occurrence of electric discharge in combination with strong gale, heavy rain or hail where at least on accompanying feature has warning level
4 Severe thunderstorm with extreme squalls and heavy rainfall Occurrence of electric discharge in combination with strong gale, heavy rain or hail where at least on accompanying feature has allerting level

Examples