Note that during the primary August through October hurricane season that 30 mb and 50 mb zonal winds will be from a relative westerly direction.
Values are in .
The authors anticipate a continuing weak cooling trend to occur during the next three months with the establishment of the Asian summer monsoon. A change over to warm conditions later in the summer, as has occurred the last three summers, is not expected for this year. Anticipated August through October ENSO conditions dictate a significant increase in this year's hurricane activity over what has occurred during he last four seasons. ENSO is the most important global scale environmental influence affecting Atlantic seasonal hurricane activity. Note the rapid cooling that has occurred since January and February.