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Monitoring of concurrent, co-located tornado and flash flood (TORFF) warnings

Below is the most recent image showing overlapping tornado and flash flood warning polygons thus far in 2017. Warnings are shown if they overlap in space and are valid within 30 minutes of one another, calculated as described in Nielsen et al. (2015, Weather and Forecasting). The images are updated once per day at approximately 1045 UTC. The images are zoomed in on the region where overlapping TORFF warnings are most frequently observed.

Year:
Images last updated 1140 UTC Thursday November 23 2017. (click image to embiggen)
RT_2017_map_current.png

The ten most recent TORFF overlapping warnings are:

ILN issued TOR warning at: 201711060603 and FF warning at: 201711060543
ILN issued TOR warning at: 201711060603 and FF warning at: 201711060612
CLE issued TOR warning at: 201711052340 and FF warning at: 201711052322
RNK issued TOR warning at: 201710232155 and FF warning at: 201710232153
RNK issued TOR warning at: 201710232126 and FF warning at: 201710232106
RNK issued TOR warning at: 201710232126 and FF warning at: 201710232153
GSP issued TOR warning at: 201710232025 and FF warning at: 201710232030
GSP issued TOR warning at: 201710231959 and FF warning at: 201710231945
LIX issued TOR warning at: 201710221619 and FF warning at: 201710221552
LIX issued TOR warning at: 201710221619 and FF warning at: 201710221634

Download the text file with the details of this year's overlapping warnings.

This research is sponsored by NOAA grant NA15OAR4590233, in support of the 2016 VORTEX-SE field campaign.

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