In less than a month we'll begin using new wording when we reference severe weather warnings. Since this is Severe Awareness Month in Kentucky I will give you a preview.
An experimental National Weather Service warning enhancement will be used across much of the central U.S. this thunderstorm season (beginning April 1). This is an expansion of a smaller NWS experiment that began in Kansas and Missouri in 2012.
The Impact Based Warning (IBW) experimental product is an effort to better communicate severe weather threats within National Weather Service warnings. While the basic function of Severe Thunderstorm and Tornado warnings will remain the same, additional enhanced information will be provided within the warning to provide additional expected "impact" information.
The goals are to provide more information through the warnings in order to facilitate improved public response and decision making, and to better meet societal needs in the most life-threatening weather events. This effort is in response to key findings from recent service assessments of devastating tornadoes in 2011, particularly the EF-5 tornado in Joplin, MO.
Please refer to the video below, as well as the information provided throughout this web page for additional information regarding the IBW experiment that begins April 1, 2013.
Provide additional valuable infromation to media and Emergency Management officials
Facilitate improved public response and decision making
Better meet societal needs in the most life-threatening weather events
Optimize the convective warning system within the existing structure
Motivate proper response to warnings by distinguishing situational urgency
Realign the warning message in terms of societal impacts
Communicate recommended actions & precautions more precisely
Evaluate ability to distinguish between low impact and high impact events
Enhancing Warnings Through
Improve communication of critical information
Make it easier to quickly identify the most valuable information
Enable prioritization of key warnings in your area of interest
Indicate different levels of risk within the same product
Enable the National Weather Service to express a confidence level of potential impacts
We'll have much more on this closer to the launch. It'd be nice to never have to use any of these, but we will! Stay safe and have a great weekend.
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