By September NUMBER@1 a cyclonic circulation with a diameter of NUMBER@2 mile -LRB- NUMBER@3 km -RRB- was evident on satellite imagery , well to the southeast of the LOCATION@1 , and several hurricane forecast models anticipated development and strengthening .

By September NUMBER@1 a cyclonic circulation with a diameter of NUMBER@2 mile -LRB- NUMBER@3 km -RRB- was seen on satellite imagery , well to the southeast of the LOCATION@1 , and several hurricane forecast models expected development and strengthening .
