Current Lightning Information for Rockport, Massachusetts

Flash Version

Weather Forecast

Adjustable Parameters
History 30 minutes or 60 minutes
View Range Full (375 miles) or Zoom (180 miles)
Event Loop If there is lightning activity, click Run to see an animation of the activity

This data is for informational purposes only
and is not to be used for protection of life or property

TRAC Report

Lightning Terms:

TRAC Thunderstorm Ranging and Acquisition subprocess
-IC Negative in cloud or intracloud strike
+IC Positive in cloud or intracloud strike
-CG Negative cloud to ground strike
+CG Positive cloud to ground strike. Due to its long continuing current, a positive cloud to ground strike is considered to be one of the most dangerous forms of lightning and is often the cause of lightning initiated fires and human deaths.