NW Carribean / Southern GOM / BOC (Is invest 96L)

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Re: NW Carribean / Southern GOM / BOC

#241 Postby Ivanhater » Sun Jun 17, 2012 6:23 pm

Pretty decent

Image
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Re: NW Carribean / Southern GOM / BOC

#242 Postby floridasun78 » Sun Jun 17, 2012 6:48 pm

Ivanhater wrote:Pretty decent

Image

what area?
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#243 Postby Aric Dunn » Sun Jun 17, 2012 6:49 pm

dont worry about the boc ..... at least not now sny development will be in the carrib . then if nothing happens energy will eventually move to western gulf. but unlikely
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#244 Postby Aric Dunn » Sun Jun 17, 2012 7:08 pm

hes talking ablut yhe area in the sw carrib
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Re: NW Carribean / Southern GOM / BOC

#245 Postby Nimbus » Sun Jun 17, 2012 7:12 pm

OK so what is that blob south of Hispaniola just diurnal convection?
I haven't looked at anything except the most recent IR image.
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Re: NW Carribean / Southern GOM / BOC

#246 Postby Aric Dunn » Sun Jun 17, 2012 7:14 pm

Nimbus wrote:OK so what is that blob south of Hispaniola just diurnal convection?
I haven't looked at anything except the most recent IR image.

tropical wave being enhanced by upper divergence. look closer to nica
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Re: NW Carribean / Southern GOM / BOC

#247 Postby floridasun78 » Sun Jun 17, 2012 7:25 pm

Aric Dunn wrote:
Nimbus wrote:OK so what is that blob south of Hispaniola just diurnal convection?
I haven't looked at anything except the most recent IR image.

tropical wave being enhanced by upper divergence. look closer to nica

explain what you see by nica if you can?
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#248 Postby Nimbus » Sun Jun 17, 2012 7:41 pm

Once I put the loop in motion I see what you mean centered near 80W 18N, convection building on the east side or being sheared east in that direction.
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Re: NW Carribean / Southern GOM / BOC

#249 Postby Ivanhater » Sun Jun 17, 2012 10:00 pm

Image
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Re: NW Carribean / Southern GOM / BOC

#250 Postby tailgater » Sun Jun 17, 2012 10:02 pm

This WV loop really shows the Upper pattern well and if I'm seeing this correctly it looks like the shear might be lessening over the NW Caribbean in the next 24hrs.

http://mkwc.ifa.hawaii.edu/satellite/sa ... type=flash
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#251 Postby Rgv20 » Sun Jun 17, 2012 11:50 pm

0zGFS trending weaker with the BOC Low....0zNOGAPS has a weak low drifting to the NE Mexican Coast by Friday Evening. Taking a closer look at the 0zGFS, the BOC disturbance is forecast to be in a low wind shear environment, descent 850mb Vorticity but it has too broad of a circulation.

0zGFS forecast for Friday Evening
Image


On a side note the MJO is forecast to slow down in Region 1....Could that help the models get a better handle on the situation in the BOC as the MJO is not going to be racing like it was a couple of days?

ECMWF MJO Forecast
Image
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Re: NW Carribean / Southern GOM / BOC

#252 Postby Cyclenall » Mon Jun 18, 2012 1:05 am

NDG wrote:Long live king Euro.

Yes, absolutely.

Hey everyone, look at the 00z Canadian run! :lol: A hurricane forms after crossing south Florida (similar to how Wilma did) in the Atlantic.
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Re: NW Carribean / Southern GOM / BOC

#253 Postby Hurricane Alexis » Mon Jun 18, 2012 2:05 am

Cyclenall wrote:
NDG wrote:Long live king Euro.

Yes, absolutely.

Hey everyone, look at the 00z Canadian run! :lol: A hurricane forms after crossing south Florida (similar to how Wilma did) in the Atlantic.



What site do you use for the CMC?
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Re: NW Carribean / Southern GOM / BOC

#254 Postby USTropics » Mon Jun 18, 2012 3:40 am

0z ECMWF shifted more north with the BOC system, bringing it close to the texas/mexico border. It also doesn't want to split the energy and send the other 1/2 towards the northeast as the 12z depicted, but rather shows a weak reflection developing in the Bahamas and moving east of Florida.

Image
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Re: NW Carribean / Southern GOM / BOC

#255 Postby cycloneye » Mon Jun 18, 2012 5:43 am

Heres the NHC marine discussion.

MARINE WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
358 AM EDT MON JUN 18 2012

MARINE WEATHER DISCUSSION FOR THE GULF OF MEXICO...CARIBBEAN SEA
AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W.

GULF OF MEXICO...
THE WEAK SURFACE TROUGH THAT HAD BEEN MOVING THROUGH THE NW GULF
APPEARS TO HAVE DAMPENED OUT AS OF 18/06Z. THIS LEAVES A SURFACE
RIDGE EXTENDING FROM THE CAROLINAS TO THE SW GULF WITH GENERALLY
LIGHT TO MODERATE SE WINDS OVER THE ENTIRE GULF. THE EXCEPTION IS
THE STRAITS OF FLORIDA WHERE 15 TO 20 KT EAST WINDS ARE NOTED.
SCATTERED SHOWERS AND A FEW THUNDERSTORMS LINGER OVER THE N
CENTRAL GULF...ON THE NORTH EDGE OF THE LOOP CURRENT AND UNDER AN
AREA OF UPPER DIVERGENCE. DRIER MID AND UPPER LEVEL AIR MOVING
INTO THIS AREA WILL INHIBIT CONVECTION THROUGH THE REMAINDER OF
THE DAY. THE PRES GRADIENT WILL TIGHTEN OVER THE EASTERN AND
CENTRAL GULF TUE BETWEEN THE HIGH PRES OVER THE CAROLINAS AND A
TROUGH MOVING TOWARD THE YUCATAN ACROSS THE NW CARIBBEAN. THE GFS
REMAINS THE STRONGEST SOLUTION SHOWING WINDS TO 25 KT OVER THE
EASTERN AND CENTRAL GULF THROUGH THU. THE ECMWF AND UKMET ON THE
OTHER HAND INDICATE WINDS INCREASING BUT STAYING IN THE 15 TO 20
KT RANGE. THE GFS HAS BEEN TRENDING WEAKER SHOWING THE AREA OF
FRESH TO STRONG WINDS DECREASING SOMEWHAT COMPARED TO EARLIER
RUNS AND IS MORE IN LINE WITH THE OTHER MODELS. THE FORECAST
FAVORS THE ECMWF/UKMET SOLUTIONS THROUGH THU. BOTH THE GFS AND
ECMWF SHOW AN AREA OF LOW PRES EMERGING OFF THE YUCATAN INTO THE
S CENTRAL GULF BY LATE THU...FURTHER EAST THAN EARLIER
RUNS...THEN SHIFTING WESTWARD TOWARD THE SW GULF FRI. THE
OFFICIAL FORECAST IS A BLEND OF GFS AND ECMWF WITH MODERATE TO
FRESH CYCLONIC FLOW IN A BROAD SWATH AROUND THE LOW...ALTHOUGH
FAVORING THE STRONGER GFS SHOWING N WINDS TO 25 KT BY FRI
AFTERNOON OFF THE COAST OF VERACRUZ AHEAD OF THE ADVANCING LOW
PRES. MODEL CONSENSUS HOLDS THE PRES TO 1007 MB BY LATE FRI.
EXPECT PERSISTENT CONVECTION ACROSS THE SOUTHERN GULF BY THU AND
FRI AS THE LOW MOVES INTO THE AREA.

CARIBBEAN SEA AND TROPICAL N ATLC W OF 55W...
1008 MB LOW PRES IS CENTERED NEAR 15N82W...HAVING MOVED NNW FROM
ITS POSITION OF THE N COAST OF PANAMA YESTERDAY. THE LOW IS JUST
OFF THE COAST NEAR THE NICARAGUA/HONDURAS BORDER AND APPEARS TO
BE STAYING OVER THE WATERS AS OPPOSED MAKING AN EARLY LANDFALL
FURTHER WEST. THIS IS ALLOWING THE LOW TO STAY INTACT AND DEEPEN
SLIGHTLY. HOWEVER...AN UPPER LOW IS PARKED OVER THE S CENTRAL
GULF OF MEXICO AND IS DELIVERING WESTERLY SHEAR ACROSS THE
SURFACE LOW. STRONG CONVECTION FLARING CURRENTLY SOUTH OF
JAMAICA...IS DISPLACED TOO FAR EAST TO ASSIST THE DEVELOPMENT OF
THE LOW. GLOBAL MODEL CONSENSUS INDICATES THE LOW WILL TRACK MORE
WNW AND HUG THE HONDURAN COAST THROUGH TUE...IN RESPONSE TO ATLC
RIDGING BUILD WEST TOWARD THE CARIBBEAN...BEFORE CROSSING THE
TERRAIN OVER BELIZE...NORTHERN GUATEMALA AND SOUTHERN YUCATAN WED.
THE UPPER SHEAR BACKS MORE TO THE SW AND DIMINISHES SOMEWHAT AS
THE UPPER LOW DRIFTS WEST THROUGH WED. HOWEVER THE MODEST SHEAR
ALONG WITH TERRAIN EFFECTS WILL KEEP THE LOW FROM DEEPENING
APPRECIABLY THROUGH WED. EXPECT CONTINUAL CONVECTION OVER THE NW
CARIBBEAN INTO THU AS THE THE LOW AND ITS ACCOMPANYING SURFACE
TROUGH MIGRATE TO THE NW
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#256 Postby Aric Dunn » Mon Jun 18, 2012 5:45 am

vorticity is incrrasing alot in western carrib. convection is exlofind over that low down there. looks like it is the best chance gor devrlopment.
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Re: NW Carribean / Southern GOM / BOC

#257 Postby cycloneye » Mon Jun 18, 2012 6:52 am

The area of interest is very big.

Image
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Re: NW Carribean / Southern GOM / BOC

#258 Postby GCANE » Mon Jun 18, 2012 6:56 am

Nice outflow on the convection at 15N 79W with increasing rain-rate.

http://www.ssd.noaa.gov/goes/east/watl/flash-wv.html

http://www.nrlmry.navy.mil/htdocs_dyn_p ... atest.html

Strong ULL at 33N 68W is supporting a poleward outflow channel for the convection to tap into.

http://www.ssd.noaa.gov/goes/east/nwatl/flash-wv.html

http://tropic.ssec.wisc.edu/real-time/w ... zoom=&time

A minor ULL at 23N 87W

http://www.ssd.noaa.gov/goes/east/watl/flash-wv.html

No UL PV over the convection

http://tropic.ssec.wisc.edu/real-time/w ... oom=&time=

If convection persists and / or hot-tower fires, an anti-cyclone could develop over this.

Looks very interesting.
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#259 Postby Rgv20 » Mon Jun 18, 2012 7:16 am

HPC early morning discussion

"REGARDING THE TROPICS/LOWER LATITUDE EVOLUTION... THE CANADIAN IS
THE CLEAR OUTLIER IN DEVELOPING A TROPICAL SYSTEM THAT TRACKS
ACROSS SRN FL/WRN ATLC AND BY DAY 7 ENDS UP NOT TOO FAR EWD OF THE
PRIMARY SFC LOW CLUSTERING NEAR NEW ENGLAND. REMAINING CONSENSUS
INDICATES A WAVY SFC FRONT/TROF OVER THE FL PENINSULA WITH SOME
WEAKENING LIKELY BY SAT-MON. MEANWHILE THERE CONTINUE TO BE
INDICATIONS OF PSBL DEVELOPMENT OVER THE SWRN GULF OF MEXICO BUT
ASIDE FROM THE 00Z ECMWF THERE IS CONSIDERABLE RELUCTANCE IN
GUIDANCE TO BRING ANY FEATURE N OF 23-24N LATITUDE. MANUAL FCST
REFLECTS YDAYS NHC/HPC COORDINATION WITH LATEST
GUIDANCE/EXTRAPOLATION USED FOR DAY 7."

Brownsville early morning discussion

"MODELS CONTINUE TO DIVERGE ON WHAT TO
DO WITH THE LOW PRESSURE FEATURE OVER THE BAY OF CAMPECHE AND THE
SOUTHERN GULF OF MEXICO...AS A RESULT HAVE KEPT PRECIP CHANCES ON
THE LOW SIDE."
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#260 Postby NDG » Mon Jun 18, 2012 7:17 am

Nice west winds in the island of San Andres this morning. Yesterday at this time it was reporting light and variable winds as the low pressure center passed over it, now that the COC is north of the island closer to the Nica/Honduras border, they are getting the west wind.

Code: Select all

 METAR text:  SKSP 181100Z 26010KT 9999 FEW017 BKN200 27/25 A2977 REDZ 
Conditions at:  SKSP (SAN ANDRES ISLAN, CO) observed 1100 UTC 18 June 2012 
Temperature:  27.0°C (81°F) 
Dewpoint:  25.0°C (77°F) [RH = 89%] 
Pressure (altimeter):  29.77 inches Hg (1008.2 mb) 
Winds:  from the W (260 degrees) at 12 MPH (10 knots; 5.2 m/s) 
Visibility:  6 or more miles (10+ km) 
Ceiling:  20000 feet AGL 
Clouds:  few clouds at 1700 feet AGL
broken clouds at 20000 feet AGL 
Weather:  no significant weather observed at this time 
 
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