000 ABNT30 KNHC 010539 TWSAT MONTHLY TROPICAL WEATHER SUMMARY NWS NATIONAL HURRICANE CENTER MIAMI FL 800 PM EST FRI NOV 30 2012 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... NO TROPICAL CYCLONES FORMED IN THE ATLANTIC BASIN DURING THE MONTH OF NOVEMBER. ON AVERAGE A TROPICAL STORM FORMS IN THE BASIN DURING NOVEMBER IN TWO OUT OF EVERY THREE YEARS...WITH A HURRICANE FORMING ABOUT ONCE EVERY TWO YEARS. FOR THE 2012 ATLANTIC SEASON...19 NAMED STORMS FORMED...OF WHICH 10 BECAME HURRICANES. ONE OF THOSE HURRICANES...MICHAEL...REACHED MAJOR HURRICANE STATUS. ACTIVITY FOR 2012 WAS WELL ABOVE THE 30-YEAR (1981-2010) AVERAGE FOR NAMED STORMS AND HURRICANES...AND BELOW AVERAGE FOR MAJOR HURRICANES. THE 1981-2010 SEASONAL AVERAGES FOR THE ATLANTIC BASIN ARE 12 NAMED STORMS...6 HURRICANES AND 3 MAJOR HURRICANES. IN TERMS OF ACCUMULATED CYCLONE ENERGY...WHICH MEASURES THE COMBINED STRENGTH AND DURATION OF TROPICAL STORMS AND HURRICANES...TROPICAL CYCLONE ACTIVITY IN THE ATLANTIC BASIN DURING 2012 WAS ABOUT 40 PERCENT ABOVE THE 1981-2010 MEDIAN. REPORTS ON INDIVIDUAL CYCLONES...WHEN COMPLETED...ARE AT THE WEB SITE OF THE NATIONAL HURRICANE CENTER...USE LOWER-CASE LETTERS... HTTP://WWW.HURRICANES.GOV/2012ATLAN.SHTML SUMMARY TABLE NAME DATES MAX WIND (MPH) --------------------------------------------------- TS ALBERTO 19-22 MAY 60 TS BERYL 26-30 MAY 70 H CHRIS 19-22 JUN 75 TS DEBBY 23-27 JUN 60 H ERNESTO 1-10 AUG 85 TS FLORENCE* 3-6 AUG 60 H GORDON 15-20 AUG 110 TS HELENE 9-18 AUG 45 H ISAAC 21 AUG-1 SEP 80 TS JOYCE 22-24 AUG 40 H KIRK 28 AUG-2 SEP 105 H LESLIE 30 AUG-11 SEP 75 MH MICHAEL 3-11 SEP 115 H NADINE 11 SEP-4 OCT 90 TS OSCAR 3-5 OCT 50 TS PATTY 11-13 OCT 45 H RAFAEL 12-17 OCT 90 H SANDY 22-29 OCT 110 TS TONY 22-25 OCT 50 --------------------------------------------------- * DENOTES A STORM FOR WHICH THE POST-STORM ANALYSIS IS COMPLETE. $$ HURRICANE SPECIALIST UNIT