Task: Text Simplification
Input (English): by september 1 a cyclonic circulation with a diameter of 690 mile -lrb- 1115 km -rrb- was evident on satellite imagery , well to the southeast of the cape verde islands , and several hurricane forecast models anticipated development and strengthening.
Output (English): by sept , 1 a cyclonic circulation with a diameter of 1115 km was evident on satellite , well to the southeast of the cape verde islands , and several hurrican forecast models anticipated it strengthening.