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Evaluation of Phased Array Radar Data via Comparisons to the WSR-88D

Evaluation of Phased Array Radar Data via Comparisons to the WSR-88D. Pam Heinselman Weather Radar Research. 2008 Phased Array Radar Experiment. 19 NWS forecasters from 17 WFOs. Forecasters evaluated:

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Evaluation of Phased Array Radar Data via Comparisons to the WSR-88D

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  1. Evaluation of Phased Array Radar Data via Comparisons to the WSR-88D Pam Heinselman Weather Radar Research

  2. 2008 Phased Array Radar Experiment 19 NWS forecasters from 17 WFOs Forecasters evaluated:  Strengths and limitations of PAR data in analysis of severe storms  How characteristics of PAR scan strategies affect interpretation of severe storms  How PAR data affects warning decision making  How PAR data may be of benefit to operational responsibilities NSSL Laboratory Review February 17-19, 2009

  3. Example Case: Microburst 15 August 2006 PAR: 34 s Representative Forecaster Comments (N=17) “High temporal resolution of PAR allowed me to identify near-ground-level severe winds which were considerably under-played by KTLX (27 kt vs 57 kt).” “You can diagnose better what’s going on so you can have more confidence in issuing or not issuing warnings.” WSR-88D: 4.1 min “Rapid updates will help get the warning out period. We have many missed pulse storm hail and wind warnings.” NSSL Laboratory Review February 17-19, 2009

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