000
WTNT44 KNHC 130534
TCDAT4
HURRICANE HUMBERTO SPECIAL DISCUSSION NUMBER   4
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL092007
115 AM EDT THU SEP 13 2007

THIS SPECIAL ADVISORY IS BEING ISSUED TO UPGRADE HUMBERTO TO A
HURRICANE.  BOTH THE INITIAL AND 12-HOUR INTENSITY FORECAST HAVE
BEEN INCREASED...AND A HURRICANE WARNING HAS BEEN ISSUED.  THE
UPGRADE IS BASED ON DATA RECEIVED FROM AIR FORCE RECONNAISSANCE
AIRCRAFT AND NOAA NWS DOPPLER RADAR. 

THIS SPECIAL ADVISORY SUPERSEDES THE INTERMEDIATE ADVISORY...WHICH
WOULD HAVE BEEN ISSUED AT 0600 UTC. 

FORECAST POSITIONS AND MAX WINDS
 
INITIAL      13/0515Z 29.4N  94.4W    70 KT
 12HR VT     13/1200Z 30.1N  93.9W    55 KT...INLAND
 24HR VT     14/0000Z 31.6N  92.7W    30 KT...INLAND
 36HR VT     14/1200Z 32.5N  91.2W    25 KT...INLAND
 48HR VT     15/0000Z 32.5N  90.0W    20 KT...REMNANT LOW
 72HR VT     16/0000Z...DISSIPATED
 
$$
FORECASTER MAINELLI/AVILA