What’s a Hydrokong?

A Shrinking World Series

Is it a mega-tropical storm system, or an extra-tropical cyclone (ETC), i.e., a non-tropical, large-scale low pressure storm system like a Nor’easter?

“Hydrokong” is a colossal atmospheric phenomenon. It’s an extreme precipitation event which is enhanced by circulation changes that increase and concentrate the distribution of water vapor.

Hydrokong! The Storm System as it appeared over the central United States June 12, 2008 04:15 UTC. The still image is an aviation color enhancement of a satellite image.

Globally, as total precipitation increases, the duration or frequency of precipitation events decreases. However, warmer temperatures and regional variation can significantly affect those offsetting behaviors. For example, reduced total precipitation in one region, the Western United States, can significantly increase the intensity of precipitation in another region, the Midwest. Hydrokongs essentially create two extreme events, droughts in one region and flooding caused by mega-intense precipitation in another. As the global temperatures rise, more hydrokongs should be expected.

Another Hydrokong in the making? A new System as it appeared over the central United States June 27, 2008 04:15 UTC. The still image is an aviation color enhancement of a satellite image.

An aviation color enhancement of a floater [updated periodically] satellite image GEOS Eastern U.S. Imagery, NOAA SSD. For full size image right-click on the image and select “View Image.”

In the words of Brian Pierce, a meteorologist at the National Weather Service, describing the aftermath of flooding last week: “We are seeing a historic hydrological event taking place with unprecedented river levels occurring.”

Are Extreme Precipitation Events Earth’s Natural Defense Mechanisms?

Related Links:

• Nature’s Defense Mechanisms
• www.crh.noaa.gov/ahps2/index.php [Advanced Hydrologic Prediction Service!]
  

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