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RISNWS Tornado Warnings with Zero or Negative Lead Times
Publisher: American Meteorological Society
Abstract: During a 5-yr period of study from 2000 to 2004, slightly more than 10% of all National Weather Service (NWS) tornado warnings were issued either simultaneously as the tornado formed (i.e., with zero lead time) or minutes ...
Tornadoes without NWS Warning
Publisher: American Meteorological Society
Abstract: During a 5-yr period of study from 2000 to 2004, slightly more than 26% of all reported tornadoes across the United States occurred without an NWS warning being issued. This study examines some of the reasons behind why ...
A 5-yr Climatology of Tornado False Alarms
Publisher: American Meteorological Society
Abstract: uring 2008 approximately 75% of tornado warnings issued by the National Weather Service (NWS) were false alarms. This study investigates some of the climatological trends in the issuance of false alarms and highlights ...
A Preliminary Look at the Social Perspective of Warn-on-Forecast: Preferred Tornado Warning Lead Time and the General Public’s Perceptions of Weather Risks
Publisher: American Meteorological Society
Abstract: ornado warnings are currently issued an average of 13 min in advance of a tornado and are based on a warn-on-detection paradigm. However, computer model improvements may allow for a new warning paradigm, warn-on-forecast, ...