Wiktionary
weather chart
n. a weather map
WordNet
weather chart
n. a map showing the principal meteorological elements at a given time and over an extended region [syn: weather map]
Usage examples of "weather chart".
As if someone might need an especially deadly weather chart with which to attack an incoming bomber!
When Billy receives the weather chart off the fax machine, he undoubtedly tells the crew that there's something very heavy on the way.
Breathlessly she described the strange, asymmetric structure taking shape in the workshop, while my mind was busy with Ewells Corps and Parrott guns and the weather chart of southern Pennsylvania for July 1863.