With a moderate risk for severe thunderstorms across the southeast US on 19 March 2018, 30-sec GOES-16 imagery was made available over the region. SPC High or Moderate risk for severe is the number 1 priority for mesoscale sector requests.
A tornado was confirmed with storms a little later in the evening. 30-sec IR imagery captured persistent overshooting tops and rapid anvil expansion with these storms indicating strong updrafts.
- Bill Line, NWS