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PDS tornado warnings are currently issued on an experimental basis by the 38 National Weather Service Weather Forecast Offices within the Central Region. [16] The criteria for a PDS warning are when a tornado on the ground has been spotted or confirmed, or a significant tornado is expected based on radar signatures.
Tornado emergencies and PDS tornado warnings—which, when warranted, are usually issued when a large tornado is expected to impact a populated area—typically include action statements indicating that the tornado is extremely dangerous and life-threatening, and capable of significant if not total property destruction and severe injury or ...
The Midwest, including portions of Iowa, was under a “particularly dangerous situation tornado watch” on May 21. The PDS watch is a special label applied to watches by the National Weather ...
Since its initial usage in May 1999, the National Weather Service (NWS) in the United States has used the tornado emergency bulletin — a high-end classification of tornado warning — sent through either the issuance of a warning or via a "severe weather statement" that provides updated information on an ongoing warning—that is issued when a violent tornado (confirmed by radar or ground ...
A severe weather warning is more serious than a watch. It signals dangerous weather is happening, is on its way or has a high chance of occurring. The NWS states, “a warning is used for ...
[23] [24] [25] Later on May 8, a wind and hail driven Moderate Risk was introduced, both at 45% hatched wind and hail risks, [26] more severe weather and tornadoes impacted much of the Middle Mississippi and Tennessee Valleys. PDS tornado warnings were issued for tornadoes near Equality, Illinois and Aurora, Missouri. [27]
According to the National Weather Service, a tornado warning means there’s imminent danger to life and property in the warning area, and you should immediately move to an interior room on the ...
That night, an EF2 tornado prompted another PDS warning for Pleasant Hill southeast of Des Moines. Major damage to homes occurred and one person was injured. [93] [94] Low-end EF4 tornado damage to a Homeland Grocery Store in Marietta, Oklahoma. The next day, another major outbreak broke out across parts of Texas, Oklahoma, Kansas, and Missouri ...