a forecast that predicts how weather conditions will change over a period of
up to 48 hours
Short-range weather forecast
assumes that current weather patterns will persist (continue) into the future.
accurate for up to a few hours.
persistence forecasting
forecasts weather up to about 6 hours.
relies on remote sensing technology and is especially helpful in predicting storm movement.
nowcasting
a forecast that predicts how weather conditions will change over a period of
3 to 7 days
Long-range forecast
line showing locations of the same temperature
Isobar
H or L
High or low pressure system