ZCZC MIATCDEP5 ALL TTAA00 KNHC DDHHMM TROPICAL STORM NORBERT DISCUSSION NUMBER 34 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP152008 200 AM PDT SUN OCT 12 2008 SATELLITE IMAGERY AND MEXICAN RADARS INDICATE THAT NORBERT MADE LANDFALL AROUND 0400 UTC OVER THE EXTREME SOUTHERN PART OF THE SONORA STATE OF MEXICO WITH AN INTENSITY OF AROUND 75 KT. NORBERT IS NOW WELL INLAND OVER THE VERY HIGH TERRAIN OF NORTHWESTERN MEXICO...AND IT IS ESTIMATED THAT THE SYSTEM HAS WEAKENED BELOW HURRICANE STATUS. THE TROPICAL CYCLONE STILL APPEARS WELL-ORGANIZED ON SATELLITE IMAGERY...BUT THIS IS LIKELY SHORT-LIVED SINCE THE CIRCULATION SHOULD SPIN DOWN RAPIDLY AS IT MOVES FARTHER INLAND. THE SURFACE CIRCULATION WILL PROBABLY DISSIPATE BY THE TIME THE SYSTEM MOVES INTO THE SOUTHWESTERN UNITED STATES AND SOUTHERN U.S. PLAINS. HOWEVER...MOISTURE FROM NORBERT IS ALREADY SPREADING OVER PORTIONS OF THE SOUTHWESTERN U.S. AND THE SOUTHERN AND CENTRAL U.S. PLAINS. ADDITIONAL MOISTURE FROM NORBERT OR ITS REMNANTS WILL SPREAD OVER THESE AREAS DURING THE NEXT DAY OR SO...RESULTING IN LOCALLY HEAVY RAINS. INITIAL MOTION IS NORTHEASTWARD...045/17...AS NORBERT IS CAUGHT IN THE FLOW TO THE SOUTH AND SOUTHEAST OF A LARGE MID-LEVEL TROUGH. THIS GENERAL MOTION... WITH PERHAPS A LITTLE ADDITIONAL ACCELERATION...IS LIKELY TO CONTINUE UNTIL THE TROPICAL CYCLONE DISSIPATES. FORECAST POSITIONS AND MAX WINDS INITIAL 12/0900Z 27.5N 108.0W 50 KT 12HR VT 12/1800Z 30.5N 105.5W 30 KT...INLAND 24HR VT 13/0600Z...DISSIPATED INLAND $$ FORECASTER PASCH NNNN
Alternate Formats
About Alternates -
E-Mail Advisories -
RSS Feeds
Cyclone Forecasts
Latest Advisory -
Past Advisories -
About Advisories
Marine Forecasts
Latest Products -
About Marine Products
Tools & Data
Satellite Imagery -
US Weather Radar -
Aircraft Recon -
Local Data Archive -
Forecast Verification -
Deadliest/Costliest/Most Intense
Learn About Hurricanes
Storm Names
Wind Scale -
Prepare -
Climatology -
NHC Glossary -
NHC Acronyms -
Frequently Asked Questions -
AOML Hurricane-Research Division
About Us
About NHC -
Mission/Vision -
Other NCEP Centers -
NHC Staff -
Visitor Information -
NHC Library
NOAA/
National Weather Service
National Centers for Environmental Prediction
National Hurricane Center
11691 SW 17th Street
Miami, Florida, 33165-2149 USA
nhcwebmaster@noaa.gov
Disclaimer
Privacy Policy
Credits
About Us
Glossary
Career Opportunities
Page last modified: Tuesday, 21-Apr-2009 12:09:45 UTC