This is a one hour report for the discovery of a condition that briefly met the emergency action level (
EAL) for an Unusual Event but did not warrant declaration of an emergency classification. A detailed review of the conditions that existed during a thunderstorm that took place today revealed that the backup 50 meter wind speed briefly indicated 95.5 mph, which exceeds the
HU 1.3 criteria of 95 mph. The primary 50 meter wind speed indicator did not exceed 89 mph. Operators in the control room did not observe wind speed exceed 80 mph on
SPDS. This event is a one hour report based on the guidance in
NUREG-1022 for a condition that met an
emergency plan EAL and the basis for the emergency classification no longer existed at the
time of discovery."
The NRC Resident Inspector has been informed.
