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General Discussion >> The Tropics Today

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danielwAdministrator
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Reged: Wed
Posts: 3502
Loc: Hattiesburg,MS (31.3N 89.3W)
2013 Tropical Oddities
      #94447 - Fri Jun 07 2013 03:23 PM

With Ed's permission I would like to start a short thread on 2013 Tropical Oddities.

I'll start with E Pacific Hurricane Barbara. Which later became Atlantic TS Andrea.
1.Barbara made history as the easternmost land-falling Hurricane in the E. Pac.

HURRICANE BARBARA DISCUSSION NUMBER 6
NWS National Hurricane Center MIAMI FL EP022013
200 PM PDT WED MAY 29 2013

BARBARA RECENTLY MADE LANDFALL IN THE MEXICAN STATE OF CHIAPAS AS A
CATEGORY 1 HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE.
THIS IS THE EASTERNMOST LANDFALL LOCATION FOR AN EASTERN NORTH
PACIFIC HURRICANE SINCE RELIABLE RECORDS BEGAN IN 1966. IT IS ALSO
THE SECOND-EARLIEST HURRICANE LANDFALL IN THE RELIABLE RECORD.
http://www.nhc.noaa.gov/archive/2013/ep02/ep022013.discus.006.shtml?

The remains of Barbara crossed the Isthmus of Tehuantepec and moved into the Bay of Campeche. Where one of the circulations remained intact and drifted over the SW GOM.

MARINE WEATHER DISCUSSION
NWS National Hurricane Center MIAMI FL
228 PM EDT SAT JUN 1 2013.....edited
THE MID-LEVEL REMNANTS OF FORMER EASTERN PACIFIC TROPICAL CYCLONE
BARBARA WILL LINGER OVER THE SW GULF WATERS WHERE IT WILL COME
INTO PHASE WITH A MID LATITUDE TROUGH SHIFTING ACROSS THE EASTERN
UNITED STATES THIS WEEKEND. THIS WILL STRENGTHEN THE TROUGH AND
ENABLE FOR A SURFACE CIRCULATION TO DEVELOP OVER THE SW GULF
WATERS SUN.

TS Andrea made landfall just south of Cedar Key,FL and roughly 24 hours later is still classified as a Tropical Storm. Located over middle North Carolina, yes inland, 45 miles SW of Fayetteville,NC. Winds of 45mph and pressure of 996mb.

2. INVEST 92L 5Jun13
One of the earliest INVEST's in recent memory to be so far east in the Atlantic.
Large envelope of precipitable water surrounding the system. Probably will not intensify.

this is a work in progress and may be removed by Ed or Mike at any time. I need to cross check my post with NHC data.~danielw

Edited by danielw (Fri Jun 07 2013 09:49 PM)


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Ed DunhamAdministrator
Former Meteorologist & CFHC Forum Moderator (Ed Passed Away on May 14, 2017)


Reged: Sun
Posts: 2565
Loc: Melbourne, FL
Re: 2013 Tropical Oddities [Re: danielw]
      #94448 - Fri Jun 07 2013 04:39 PM

I think that the reason that Andrea continues to exist as a tropical cyclone is that it really was more of a Subtropical Storm and far more baroclinic in structure. I noticed that after landfall the central pressure went down from 993MB to 992MB based on analysis of surface data - that doesn't happen too often either. It looks like the NHC will complete the transition to an extratropical system on the next (21Z) advisory.
(Btw, summaries are fine in this Forum.)
ED


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