Classic Discussion pair with the 5PM and special 7PM. I think he NHC was taken off guard by this... I know I am.

HURRICANE DENNIS DISCUSSION NUMBER 21
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
5 PM EDT SAT JUL 09 2005

WHAT A DIFFERENCE 6 HOURS MAKES! SATELLITE...RADAR...AND NOAA AND
AIR FORCE RECONNAISSANCE DATA INDICATE DENNIS HAS POSSIBLY STARTED
A RAPID DEEPENING PHASE. THE EYE HAS BECOME BECOME DEFINED IN BOTH
RADAR AND SATELLITE IMAGERY..

Then at 7PM..
HURRICANE DENNIS SPECIAL DISCUSSION NUMBER 22
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
7 PM EDT SAT JUL 09 2005

WHAT A DIFFERENCE 2 HOURS MAKES! AIR FORCE AND NOAA HURRICANE
HUNTER AIRCRAFT INDICATE THE CENTRAL PRESSURE OF DENNIS DROPPED 11
MB IN AN HOUR AND A HALF.
.