Average barometric pressure at sea level is 1013.25 millibars. The lower the number, the stronger the storm.
tal U.S. or
surge States damaged, and notes Boat report
KATRINA 8/25/2005 $160B 125
30' STRONG WIND, heavy rain, storm surge ruptured
levees, leaving parts of New Orleans under 20' of
water. Surge exceeded 30' along LA, MS, AL. High
winds, flooding in AL, MS, FL, TN, KY, IN, OH, GA.
Estimate on recreational watercraft
insurance losses is
SANDY 10/30/2012 $70.2B 70
Point, N Y)
HUGE HURRICANE with tropical-storm-force wind out
to 485 miles. Water levels rose along entire East Coast.
Highest surges in NJ, N Y, CT, plus high tide. BoatU.S.
estimates 65,000+ boats destroyed, and $650 million
in marine-related damage.
65,000+ rec. boats
damaged or lost.
$650 million, most
costly storm for rec.
ANDREW 8/24/1992 $48.1B 145
4–8' SMALL BUT FEROCIOUS, significant damage to northwestern Bahamas, southern FL, LA. Most expensive
natural disaster in U.S. history at time. Winds and
storm surges left 250k homeless. Adjusted to present-day dollars, Andrew is 3rd most costly hurricane after
Katrina & Sandy.
$500 million in
rec. boat damage.
changes in state’s
role of FEMA.
IKE 9/12/2008 $34.8B 110
22' LARGEST (AT THE TIME) Atlantic hurricane on record.
Huge storm surge in TX. Significant wind/flood damage in TX, LA, AR, TN, IL, IN, KY, MO, OH, MI, PA. Tropical
storm-force winds for 11 hours. Four hurricanes hit TX
$200 million in rec.
IVAN 9/12/2004 $27.1B 120
10–15' HIT AL AND FL PANHANDLE with significant wind,
surge, flooding, plus wind/flood damage in GA, MS, LA,
SC, NC, VA, WV, MD, TN, KY, OH, DE, NJ, PA, NY. Lasted 22
days, 10 as a major hurricane.
$37.5 million in rec.
WILMA 10/24/2005 $24.5B 120
12–18' AT THE TIME, STRONGEST Atlantic hurricane ever
recorded. Minimum central pressure of 882 mb. SW FL
landfall with strong damaging winds, major flooding.
Eye crossed FL peninsula in less than 4. 5 hrs, moving
at 25 mph into Atlantic.
$252 million in rec.
HARVEY 8/25/2017 TBD 130
6–12' STILL A NAMED STORM 117 hours after landfall, the
longest a TX landfalling hurricane remained a named
storm after landfall. First major hurricane (winds 110+
mph) to make landfall in the U.S. since 2008.
IRMA 9/10/2017 TBD 130
5–8' AFTER HARVEY, first time U.S. struck by two Cat 4
hurricanes in same year. Named storm 13 days, 11 as
hurricane. Significant wind, near-historic levels of
surge, flood damage in Caribbean, FL, GA. 7. 5 million
FL homes without power.
MARIA 9/19/2017 TBD 155
9' AFTER STRIKING USVI ST. CROIX, devastated PR with
high winds, extreme rainfall caused widespread wind
damage, flooding, mudslides. Tied with Wilma (2005)
for most rapid intensification, strengthening from
tropical depression to category 5 storm in 54 hours.
Landfall at Cat 4, a U.S. record three Cat 4+ landfalls
this year (Harvey, Irma, and Maria).
The 9 worst hurricanes in recent history