Converting a NEXRAD Rainfall Map into a Flood Inundation Map by ...

ased on the short date and time section in the computer’s Window’s internationalsettings. The time section is used for time intervals less than a day is a 12-hourclock format that uses uppercase A.M. and P.M. This format includes the month,day, year, and for intervals less than 1 day, the hour, minutes, and seconds with itscorresponding AM or PM designation. This format and some examples follows:MM/DD/YYYY HH:MM:SS A.M.Time stamp examples for 15 minute interval time series records will be:7/1/2002 11:30:00 PM, 7/1/2002 11:45:00 PM, 7/2/2002, 7/2/2002 12:15:00 AM,7/2/2002 12:30:00 AM, etc.For compatibility purposes, it is important to emphasize that for intervalsless than a day, the time stamp corresponding to midnight does not show the hoursection. It means that the midnight time stamp from the above example, 7/2/200212:00:00 A.M. will be displayed in Access as 7/2/2002 as shown above (“themidnight abbreviation”).The HEC-DSS system accepts several date formats for input. Some ofthose valid formats are: 1 July 2002, July 1, 2002, 01Jul02, 01Jul2002, and 01 Jul2002. Out of the previous 5 format options, the DDMMYYYY is the mostcommon format one may find labeling HEC-DSS records. The time format inHEC-DSS is specified as a four-digit number representing the 24-hour clock timewith an optional colon separating the hours and minutes. Valid entries for timeare: 1200, 12:00, 2300, and 23:00.This difference in date and time format implies that conversion is neededbefore the transfer is carried over the geodatabase. Specific subroutines to122