Past IEM Features tagged: instability

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Morning and Afternoon Showers

08 Apr 2014 05:38 AM
Monday certainly felt more like spring with some passing showers in the morning and some afternoon convective showers with cumulus clouds. The featured chart displays a five minute interval time series of approximate areal coverage of 10+ dBZ RADAR reflectivity. The two peaks are clearly shown with the morning showers due to a passing storm system and the afternoon showers thanks to the heating of the day driving convection. The peak for the afternoon showers was just before 5 PM, which is about the time the lower atmosphere starts to stabilize as the sun reaches a low altitude in the sky (less effective at heating the ground).

Good: 17
Bad: 4
Abstain: 2

Tags:   instability