COMPARISON OF RESULTS OF THE HURRICANE DEBBIE (1969) MODIFICATION EXPERIMENTS WITH THOSE FROM ROSENTHAL'S NUMERICAL MODEL SIMULATION EXPERIMENTS

Abstract

Comparison of the wind-speed profiles, the outer wind envelopes, pressure changes, and possibly the temperature differences that characterized hurricane Debbie before, during, and after the Project STORMFURY seeding experiments of August 18 and 20, 1969, with those calculated in the model simulation experiments of Rosenthal reveals many similarities. Some of the excessive diminution of wind speed noted following the experiment of August 18 may have been due to the vigor and proximity of a synoptic scale trough that appeared to interfere with the upper level diffluent flow from the hurricane.