ZCZC MIATCDAT1 ALL TTAA00 KNHC DDHHMM SUBTROPICAL STORM ANA DISCUSSION NUMBER 2 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 5 AM EDT MON APR 21 2003 DEEP CONVECTION ASSOCIATED WITH ANA HAS DIMINISHED OVERNIGHT. IN FACT...AT THE MOMENT...THE SYSTEM IS PROBABLY TO WEAK TO CLASSIFY. A CURRENT INTENSITY OF 35 KT IS RETAINED FOR THIS ADVISORY. STRONG UPPER-LEVEL NORTHWESTERLY WINDS ARE IMPINGING ON THE CYCLONE...WHICH SHOULD PREVENT ANY SIGNIFICANT INTENSIFICATION. IF CURRENT TRENDS CONTINUE...ANA COULD DISSIPATE MUCH SOONER THAN INDICATED HERE. THE INITIAL MOTION...120/9...IS TO THE RIGHT OF THAT FROM THE PREVIOUS ADVISORY. ANA IS BEING STEERED BY THE FLOW AROUND A BROAD MID-LEVEL TROUGH. THIS TROUGH IS FORECAST TO FLATTEN OUT WITH TIME...WHICH WOULD ALLOW A GRADUAL TURN TOWARD THE EAST DURING THE FORECAST PERIOD. THE OFFICIAL FORECAST IS IN REASONABLE AGREEMENT WITH THE GLOBAL MODEL GUIDANCE...ALTHOUGH THE NOGAPS IS SOMEWHAT FASTER. FORECASTER PASCH FORECAST POSITIONS AND MAX WINDS INITIAL 21/0900Z 30.4N 65.2W 35 KTS 12HR VT 21/1800Z 29.8N 63.8W 35 KTS 24HR VT 22/0600Z 29.2N 61.5W 35 KTS 36HR VT 22/1800Z 29.2N 58.5W 30 KTS 48HR VT 23/0600Z 29.5N 55.5W 30 KTS 72HR VT 24/0600Z 30.0N 49.5W 25 KTS...DISSIPATING 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: Monday, 07-Feb-2005 16:49:55 UTC