Weather and Forecasting: Early Online Release Tornado Warning Decisions Using Phased Array Radar Data Authors: Pamela Heinselman, Daphne LaDue, Darrel M. Kingfield, and Robert Hoffman The 2012 Phased Array Radar Innovative Sensing Experiment identified how rapidly scanned full-volumetric data captured known mesoscale processes and impacted tornado-warning lead time. Twelve forecasters from nine National Weather Service
Are tornadoes increasing? Not really, the number has remained relatively constant. What is changing is that there are fewer days with tornadoes each year, but on those days there are more tornadoes, according to a NOAA report published today in the journal Science. NOAA researchers looked at records of all but the weakest tornadoes in
May 24, 2013, is the 40th anniversary of the Union City, Okla., tornadic storm.
On both May 19 and May 20, 2013, NSSL researchers collected data on storms that produced tornadoes using both the NWRT Phased Array Radar (PAR), and the mobile dual-polarized radar.
Scientists have re-examined the March 18, 1925 Tri-State Tornado was unusually severe, killing 695 people while it was on the ground for a record 219 miles crossing parts of Missouri, Illinois and Indiana.