000
ABNT30 KNHC 302301
TWSAT

MONTHLY TROPICAL WEATHER SUMMARY
NWS NATIONAL HURRICANE CENTER MIAMI FL
700 PM EST SAT NOV 30 2013

FOR THE NORTH ATLANTIC…CARIBBEAN SEA AND THE GULF OF MEXICO…

ONE TROPICAL CYCLONE FORMED DURING THE MONTH OF NOVEMBER IN THE
NORTH ATLANTIC BASIN…TROPICAL STORM MELISSA. BASED ON A 30-YEAR
(1981-2010) CLIMATOLOGY…A NAMED STORM FORMS IN THE BASIN IN
NOVEMBER IN ABOUT 3 OUT OF EVERY 4 YEARS.

FOR THE 2013 SEASON OVERALL…13 NAMED STORMS FORMED IN THE
BASIN…WITH ONLY TWO OF THE STORMS REACHING HURRICANE STRENGTH.
THERE WAS ALSO ONE TROPICAL DEPRESSION THAT FORMED THAT DID NOT
REACH TROPICAL STORM STRENGTH. BASED ON THE 30-YEAR CLIMATOLOGY…
THE AVERAGE LEVEL OF ACTIVITY IN THE BASIN IS 12 NAMED STORMS…6
HURRICANES…AND 3 MAJOR HURRICANES. FOR 2013…THE NUMBER OF NAMED
STORMS WAS NEAR AVERAGE…BUT THE NUMBERS OF HURRICANES AND MAJOR
HURRICANES WERE WELL BELOW AVERAGE. THERE WERE NO MAJOR HURRICANES
IN THE NORTH ATLANTIC BASIN FOR THE FIRST TIME SINCE 1994…AND THE
NUMBER OF HURRICANES THIS YEAR WAS THE LOWEST SINCE 1982.

IN TERMS OF ACCUMULATED CYCLONE ENERGY…OR ACE…WHICH MEASURES THE
COMBINED STRENGTH AND DURATION OF TROPICAL STORMS AND HURRICANES…
TROPICAL CYCLONE ACTIVITY FOR THE SEASON WAS ABOUT 67 PERCENT BELOW
THE 1981-2010 AVERAGE. THE ACE VALUE FOR 2013 WAS THE LOWEST SINCE
1994.

REPORTS ON INDIVIDUAL CYCLONES…WHEN COMPLETED…ARE AT THE WEB
SITE OF THE NATIONAL HURRICANE CENTER…USE LOWER-CASE LETTERS…
WWW.HURRICANES.GOV/2013ATLAN.SHTML

SUMMARY TABLE

NAME DATES MAX WIND (MPH)
—————————————————
TS ANDREA* 5-7 JUN 65
TS BARRY* 17-20 JUN 45
TS CHANTAL* 7-10 JUL 65
TS DORIAN* 23 JUL-3 AUG 60
TS ERIN* 15-18 AUG 45
TS FERNAND* 25-26 AUG 60
TS GABRIELLE* 4-13 SEP 60
TD EIGHT 6-7 SEP 35
H HUMBERTO 8-19 SEP 85
H INGRID 12-16 SEP 85
TS JERRY 29 SEP-3 OCT 50
TS KAREN 3-6 OCT 65
TS LORENZO 21-24 OCT 50
TS MELISSA 18-21 NOV 65

—————————————————

* DENOTES A STORM FOR WHICH THE POST-STORM ANALYSIS IS COMPLETE.

$$
HURRICANE SPECIALIST UNIT