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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.
PDS stands for a "particularly dangerous situation." You may see this label used when there's a high risk of severe weather or for a derecho. ... What does a tornado watch mean vs. a tornado warning?
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 ...
Particularly dangerous situation severe thunderstorm warning SVR – Issued within the initial severe thunderstorm warning or as a complete re-issuance of the previously issued warning, a PDS severe thunderstorm warning indicates a significant severe thunderstorm has been detected by Doppler weather radar and/or observed by Skywarn spotters or ...
A tornado warning means "take action now" as a tornado has been sighted or is indicated by weather radar. There is imminent danger to life and property. ... Tornado watch vs. warning: The meaning ...
The National Weather Service used a rare "particularly dangerous situation" label on the watch to signify the significant risk of violent, long-lived storms. More: What is a PDS tornado watch?
Environmental conditions supportive of strong tornadoes, which is usually the case when a Particularly Dangerous Situation Tornado Watch is in effect. The National Weather Service office in Nashville, Tennessee, also created criteria to declare a tornado emergency within a tornado warning statement effective January 1, 2011. It states, "Tornado ...
A severe thunderstorm watch has been issued over the Southwest Ohio region until 4 p.m., and a tornado warning has been issued in parts of Kentucky.