Looks like that determination will be up to the National Climatic Data Center in Asheville, NC.
NOUS43 KGID 261640
PNSGRI
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
ISSUED BY NWS OMAHA/VALLEY NE
1100 AM CDT THU JUN 26 2003
...ANOTHER VERY LARGE HAIL STONE MEASURED FROM AURORA NEBRASKA...
INFORMATION BECAME AVAILABLE YESTERDAY OF ANOTHER LARGE HAIL
STONE THAT FEEL EVENING OF SUNDAY JUNE 22 IN THE COMMUNITY OF
AURORA NEBRASKA. THE NATIONAL WEATHER SERVICE IN HASTINGS SENT A
SURVEY TEAM TO DETERMINE THE SIZE OF THIS STONE.
THE TEAM FOUND THAT THIS STONE MEASURED SEVEN INCHES/7.0/ IN
DIAMETER AND EIGHTEEN AND THREE QUARTER INCHES/18.75/ IN
CIRCUMFERENCE.
THIS AGAIN BRINGS UP THE QUESTION...DID ANY OF THE HAIL STONES EXCEED
THE RECORD EVENT. THE NATIONAL CLIMATE DATA CENTER/NCDC/ WILL BE
MAKING THIS DETERMINATION. INFORMATION ABOUT THE HAIL IN AURORA
HAS BEEN SENT THE NCDC. THEY WILL BE MAKING THE DETERMINATION SOON.
FOR MORE INFORMATION ABOUT THE HAIL STORM...YOU MAY VISIT OUR WEB
SITE AT
http://WWW.CRH.NOAA.GOV/GID
STEVEN KISNER
WARNING COORDINATION METEOROLOGIST