311
ABNT30 KNHC 011214
TWSAT
MONTHLY TROPICAL WEATHER SUMMARY
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
800 AM EST TUE DEC 01 2009
FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...
TROPICAL CYCLONE ACTIVITY DURING THE 2009 ATLANTIC HURRICANE SEASON
WAS BELOW NORMAL. A TOTAL OF NINE NAMED STORMS FORMED...OF WHICH
THREE BECAME HURRICANES AND TWO BECAME MAJOR HURRICANES. THE LONG
TERM AVERAGES ARE ELEVEN NAMED STORMS...SIX HURRICANES...AND TWO
MAJOR HURRICANES. THERE WERE ALSO TWO TROPICAL DEPRESSIONS THAT
DID NOT REACH TROPICAL STORM STRENGTH. IN TERMS OF ACCUMULATED
CYCLONE ENERGY...ACE...WHICH MEASURES THE COMBINED STRENGTH AND
DURATION OF TROPICAL STORMS AND HURRICANES...2009 WAS BELOW
NORMAL...AT ABOUT 60 PERCENT OF THE LONG-TERM MEDIAN VALUE. THE
NUMBER OF TROPICAL STORMS AND THE ACE VALUE FOR 2009 ARE THE LOWEST
FOR THE ATLANTIC BASIN SINCE 1997 AND ARE LIKELY RELATED TO THE
MODERATE EL NINO EVENT IN THE TROPICAL PACIFIC OCEAN THIS YEAR.
REPORTS ON INDIVIDUAL CYCLONES...WHEN COMPLETED...CAN BE FOUND AT
THE WEB SITE OF THE NATIONAL HURRICANE CENTER...USE LOWER CASE
LETTERS...HTTP://WWW.NHC.NOAA.GOV/2009ATLAN.SHTML
SUMMARY TABLE
NAME DATES MAX WIND (MPH)
-------------------------------------------------
TD ONE 28-29 MAY 35
TS ANA 11-16 AUG 40
H BILL 15-24 AUG 135
TS CLAUDETTE 16-17 AUG 50
TS DANNY 26-29 AUG 60
TS ERIKA 1- 3 SEP 50
H FRED 7-12 SEP 120
TD EIGHT 25-26 SEP 35
TS GRACE 4- 6 OCT 65
TS HENRI 6- 8 OCT 50
H IDA 4-10 NOV 105
HURRICANE SPECIALIST UNIT
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page