Draft restrictions have been imposed for vessels transiting the Panama Canal in an effort to mitigate the effects of the “El Niño” phenomenon
The Panama Canal Authority (ACP) said the restrictions were being implemented as preventative measures to safeguard the Canal.
In an advisory to shipping the ACP said it expects the effects on Canal operations to be minimal.
“These temporary and preventive measures will be taken due to an anticipated climatic variability event related to El Nino, a climate phenomenon resulting in periodic warming of the tropical Pacific Ocean,” the ACP said.
“When this occurs, El Nino changes the pattern of rainfall in many regions of the planet.
“In this case, it has triggered a drought in the Canal Watershed, causing the water levels of Gatun and Alhajuela Lakes to fall substantially below their average for this time of year.”
The advisory sets the maximum draft for vessels at 11.89 meters, or 39 feet, tropical fresh water (TFW), effective 18 April 2016.
The maximum authorized transit draft is defined as the deepest point of TFW immersion for each specific vessel in Gatun Lake.
The ACP said vessels loaded to drafts over 11.89 meters prior to or on March 21, will have their draft restriction waived for transit, subject to safety considerations.
Draft restrictions will be implemented in 15 cm, or 6 inch, decrements at a time, with each restriction announced at least four weeks in advance.
The ACP said it will continue to monitor and manage the water levels.
“Should further draft restrictions be confirmed, notice will be given at least four weeks in advance to allow time for customers for proper planning,” it said.
The ACP said it is experienced in water resource management and has responded to similar situations requiring preventative adjustments of operations in the past.
The most recent El Nino phenomenon involving similar conditions took place during the 1997-1998 season.
