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Category Five

August 28th, 2005 - 9:06 am

The top winds in Hurricane Katrina are up to 175 miles an hour, the third-highest hurricane wind speed ever recorded. What’s worse, the storm is bearing down on arguably the most vulnerable spot in the continental United States, New Orleans.

The New Orleans Times-Picayune published a long series a few years back about what might happen if the city were hit by a major storm. Their analysis wasn’t pretty, and it should scare the hell out of anybody in the area (or anybody anywhere):

Georges, a Category 2 storm that only grazed New Orleans, had pushed waves to within a foot of the top of the levees. A stronger storm on a slightly different course — such as the path Georges was on just 16 hours before landfall — could have realized emergency officials’ worst-case scenario: hundreds of billions of gallons of lake water pouring over the levees into an area averaging 5 feet below sea level with no natural means of drainage.

That would turn the city and the east bank of Jefferson Parish into a lake as much as 30 feet deep, fouled with chemicals and waste from ruined septic systems, businesses and homes. Such a flood could trap hundreds of thousands of people in buildings and in vehicles. At the same time, high winds and tornadoes would tear at everything left standing. Between 25,000 and 100,000 people would die, said John Clizbe, national vice president for disaster services with the American Red Cross.

“A catastrophic hurricane represents 10 or 15 atomic bombs in terms of the energy it releases,” said Joseph Suhayda, a Louisiana State University engineer who is studying ways to limit hurricane damage in the New Orleans area. “Think about it. New York lost two big buildings. Multiply that by 10 or 20 or 30 in the area impacted and the people lost, and we know what could happen.”

An old boss of mine was a kid growing up in Jefferson Parish during Betsy (1965), when the local government broke the levee to save downtown New Orleans–flooding Jefferson Parish and tens of thousands of homes. He and his family had to be rescued from the roof of their house. This one could easily be much worse.

If you’re in the area, get out, and do it now. This is not just another hurricane that might turn away and hit Galveston or Mobile instead. You can’t afford to take that chance this time.

For everybody else, get ready to help. I don’t mean to be a harbinger of doom here, and I’m certainly hoping that Katrina fizzles out, a la Dennis, but there’s a very real possibility that this could be our tsunami.

UPDATE: Here’s the latest damage prediction from the National Weather Service. It’s very grim reading.

DEVASTATING DAMAGE EXPECTED

HURRICANE KATRINA
A MOST POWERFUL HURRICANE WITH UNPRECEDENTED STRENGTH…RIVALING THE INTENSITY OF HURRICANE CAMILLE OF 1969.

MOST OF THE AREA WILL BE UNINHABITABLE FOR WEEKS…PERHAPS LONGER. AT LEAST ONE HALF OF WELL CONSTRUCTED HOMES WILL HAVE ROOF AND WALL FAILURE. ALL GABLED ROOFS WILL FAIL…LEAVING THOSE HOMES SEVERELY DAMAGED OR DESTROYED.

THE MAJORITY OF INDUSTRIAL BUILDINGS WILL BECOME NON FUNCTIONAL. PARTIAL TO COMPLETE WALL AND ROOF FAILURE IS EXPECTED. ALL WOOD FRAMED LOW RISING APARTMENT BUILDINGS WILL BE DESTROYED. CONCRETE BLOCK LOW RISE APARTMENTS WILL SUSTAIN MAJOR DAMAGE…INCLUDING SOME WALL AND ROOF FAILURE.

HIGH RISE OFFICE AND APARTMENT BUILDINGS WILL SWAY DANGEROUSLY…A FEW TO THE POINT OF TOTAL COLLAPSE. ALL WINDOWS WILL BLOW OUT.

AIRBORNE DEBRIS WILL BE WIDESPREAD…AND MAY INCLUDE HEAVY ITEMS SUCH AS HOUSEHOLD APPLIANCES AND EVEN LIGHT VEHICLES. SPORT UTILITY VEHICLES AND LIGHT TRUCKS WILL BE MOVED. THE BLOWN DEBRIS WILL CREATE ADDITIONAL DESTRUCTION. PERSONS…PETS…AND LIVESTOCK EXPOSED TO THE WINDS WILL FACE CERTAIN DEATH IF STRUCK.

POWER OUTAGES WILL LAST FOR WEEKS…AS MOST POWER POLES WILL BE DOWN AND TRANSFORMERS DESTROYED. WATER SHORTAGES WILL MAKE HUMAN SUFFERING INCREDIBLE BY MODERN STANDARDS.

THE VAST MAJORITY OF NATIVE TREES WILL BE SNAPPED OR UPROOTED. ONLY THE HEARTIEST WILL REMAIN STANDING…BUT BE TOTALLY DEFOLIATED. FEW CROPS WILL REMAIN. LIVESTOCK LEFT EXPOSED TO THE WINDS WILL BE KILLED.

AN INLAND HURRICANE WIND WARNING IS ISSUED WHEN SUSTAINED WINDS NEAR HURRICANE FORCE…OR FREQUENT GUSTS AT OR ABOVE HURRICANE FORCE…ARE CERTAIN WITHIN THE NEXT 12 TO 24 HOURS.

ONCE TROPICAL STORM AND HURRICANE FORCE WINDS ONSET…DO NOT VENTURE OUTSIDE!

LAZ038-040-050-056>070-282100-ASSUMPTION-LIVINGSTON-LOWER JEFFERSON-LOWER LAFOURCHE-LOWER PLAQUEMINES-LOWER ST. BERNARD-LOWER TERREBONNE-ORLEANS-ST. CHARLES-ST. JAMES-ST. JOHN THE BAPTIST-ST. TAMMANY-TANGIPAHOA-UPPER JEFFERSON-UPPER LAFOURCHE-UPPER PLAQUEMINES-UPPER ST. BERNARD-UPPER TERREBONNE-
1011 AM CDT SUN AUG 28 2005

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