ZCZC MIATCDAT2 ALL TTAA00 KNHC DDHHMM HURRICANE KATRINA SPECIAL DISCUSSION NUMBER 22 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 8 AM EDT SUN AUG 28 2005 THE PURPOSE OF THIS SPECIAL ADVISORY IS TO REVISE THE INTENSITY OF KATRINA TO CATEGORY FIVE. AN AIR FORCE HURRICANE HUNTER AIRCRAFT REPORTED A PEAK 700 MB FLIGHT-LEVEL WIND OF 153 KNOTS...WHICH CORRESPONDS TO MAXIMUM SURFACE WINDS OF ABOUT 140 KNOTS. OBVIOUSLY...THE BIG QUESTION IS HOW STRONG KATRINA WILL BE AT LANDFALL. WE HAVE VERY LIMITED SKILL IN PREDICTING THIS. FLUCTUATIONS IN INTENSITY...DUE TO EYEWALL REPLACEMENTS...ARE LIKELY DURING THE NEXT 24 HOURS. NEVERTHELESS...KATRINA IS EXPECTED TO BE A DEVASTING CATEGORY FOUR OR FIVE HURRICANE AT LANDFALL. NO CHANGES TO THE TRACK OR WIND RADII FORECASTS HAVE BEEN MADE. FORECASTER PASCH/KNABB FORECAST POSITIONS AND MAX WINDS INITIAL 28/1200Z 25.7N 87.7W 140 KT 12HR VT 28/1800Z 26.3N 88.4W 140 KT 24HR VT 29/0600Z 28.0N 89.4W 140 KT 36HR VT 29/1800Z 30.0N 89.8W 135 KT 48HR VT 30/0600Z 32.3N 89.3W 65 KT...INLAND 72HR VT 31/0600Z 37.5N 86.0W 35 KT...INLAND 96HR VT 01/0600Z 42.0N 79.0W 30 KT...EXTRATROPICAL 120HR VT 02/0600Z 47.0N 70.0W 25 KT...EXTRATROPICAL $$ 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: Sunday, 28-Aug-2005 12:08:03 UTC