Groundhog Day originates from Pennsylvania Dutch superstition about seeing groundhog's shadow. German tradition of badger predicting winter extended to six weeks. Similar traditions exist in Hungary with bear as weather predictor
Stratus clouds form horizontally with uniform base at low altitudes. Appear as flat, hazy sheets ranging from dark gray to nearly white. Can produce light drizzle or small amounts of snow. Formed through lifting of morning fog or cold air movement
Weather radar uses microwaves to detect approaching storms and severe weather. Microwaves travel between 300 GHz and 300 MHz frequencies. Antennas collect and relay radar pulses back to the station
GFS is the most common global weather forecast model produced by NCEP. Model consists of atmospheric, ocean, land/soil and sea ice components. Updates every six hours and has 27 km resolution
Wet finger in water and check which side gets cool. Face into wind direction until it sounds same in both ears. Close eyes to focus on skin sensation
GFS, developed by NCEP, provides global forecasts up to two weeks ahead. ECMWF, Europe-focused model, offers medium-range predictions up to two weeks. UKMO specializes in British Isles forecasts with high-resolution capabilities. ICON, developed by DWD and DLR, focuses on regional forecasting. GEM, Canada-focused model, handles complex terrain and features