Tropical Weather Monthly Summary - Storm Names - Dates - Max Wind Speeds - Atlantic Basin

Expires:No;;683840
ABNT30 KNHC 011239
TWSAT 
 
MONTHLY TROPICAL WEATHER SUMMARY
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 AM EST THU DEC 1 2011
 
FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO...
 
ONE TROPICAL STORM...SEAN...FORMED DURING THE MONTH OF NOVEMBER. ON
AVERAGE...A NAMED STORM FORMS DURING NOVEMBER ABOUT ONCE EVERY
OTHER YEAR. 
TROPICAL CYCLONE ACTIVITY IN THE ATLANTIC BASIN DURING 2011 WAS
ABOVE AVERAGE. THERE WERE 19 TROPICAL STORMS...INCLUDING AN UNNAMED
STORM DURING SEPTEMBER THAT WAS ADDED DURING THE ROUTINE POST-
ANALYSIS OF DATA FROM THE SEASON. POST-ANALYSIS ALSO REVEALED
THAT NATE REACHED HURRICANE STRENGTH DURING ITS LIFETIME. OF THE 19
STORMS...7 BECAME HURRICANES...AND 3 BECAME MAJOR HURRICANES. ONE
TROPICAL DEPRESSION ALSO FORMED THAT DID NOT REACH TROPICAL STORM
STRENGTH. THE LONG-TERM AVERAGES FOR THE BASIN ARE 11 NAMED
STORMS...6 HURRICANES AND 2 MAJOR HURRICANES. IN TERMS OF
ACCUMULATED CYCLONE ENERGY...ACE...WHICH MEASURES THE COMBINED
STRENGTH AND DURATION OF TROPICAL STORMS AND HURRICANES...2011 WAS
ABOVE NORMAL...WITH A VALUE OF 132 PERCENT OF THE LONG-TERM MEDIAN. 
REPORTS ON INDIVIDUAL CYCLONES...WHEN COMPLETED...ARE AT THE WEB
SITE OF THE NATIONAL HURRICANE CENTER...USE LOWER-CASE LETTERS...
HTTP://WWW.NHC.NOAA.GOV/2011ATLAN.SHTML
REPORTS ON SYSTEMS WITH AN ASTERISK NEXT TO THEIR NAME HAVE BEEN
FINALIZED AS OF 1 DECEMBER. 
SUMMARY TABLE
NAME                  DATES          MAX WIND (MPH)
----------------------------------------------------
TS ARLENE      29 JUN-1 JUL                65
TS BRET           17-22 JUL                65
*TS CINDY         20-22 JUL                70
*TS DON           27-30 JUL                50
TS EMILY            1-7 AUG                50
*TS FRANKLIN      12-13 AUG                45
*TS GERT          13-16 AUG                65
TS HARVEY         19-22 AUG                60
MH IRENE          20-28 AUG               120
TD TEN            25-26 AUG                35
TS JOSE           28-29 AUG                45
MH KATIA      29 AUG-10 SEP               135
TS UNNAMED          1-2 SEP                45
TS LEE              2-5 SEP                60
 H MARIA           6-16 SEP                80
*H NATE            7-11 SEP                75
MH OPHELIA     21 SEP-3 OCT               140
 H PHILIPPE    24 SEP-9 OCT                90
 H RINA           23-28 OCT               110 
TS SEAN            8-11 NOV                65
$$
HURRICANE SPECIALIST UNIT