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Slopgyre 94L


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Models du jour suggest a slow developing low the drifts NNW toward Western Cuba. The 12Z GFS doesn't do a thing with it, while the Euro, CMC and UKMET 'hint' a bit more development near the Yucatan Channel. We will see.

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HPC model disco

....CYCLONIC CURVATURE ASSOCIATED WITH AREA OF DISTURBED WEATHER S

OF CUBA...

PREFERENCE: A BLEND OF THE UKMET/GFS MODELS

THE LATEST NAM IS TRENDING DEEPER THAN ITS 00Z RUN BUT IS

GENERALLY IN LINE WITH ITS 06Z RUN AS IT VERY GRADUALLY...SOMEWHAT

SPORADICALLY...LOWERS SURFACE PRES OVER CUBA AND SOUTH FLORIDA

DAYS 2-3...SUN/MON. THE NAM FOR THOSE DAYS IS ON THE NORTHWEST

EDGE OF THE ENVELOPE OF OTHER DETERMINISTIC MODELS. THE GFS HAS

GOOD CONTINUITY WITH THIS FEATURE BUT TRENDED SLIGHTLY TO THE WEST

OF ITS CONTINUITY BY MON DAY 3. THE NEW CANADIAN GLOBAL IS ON THE

W SIDE OF THE GUIDANCE ENVELOPE DAY 3 WHILE THE UKMET IS SLIGHTLY

ON THE N SIDE.

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Hard to tell from 24 hour time steps. surface feature weakens and dissipates, a 500 mb remnant drifts Northwestwards with at best a weak surface reflection and maybe promises needed rain for Texas beyond 10 days,per the Euro. Maybe. Not mondo confident interpreting 24 hour time steps.

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GFDL suggests no real development meandering toward the Yucatan. HWRF, on the other hand, develops a 65 kt TS heading NE. Also RECON added...

WEATHER RECONNAISSANCE FLIGHTS

CARCAH, NATIONAL HURRICANE CENTER, MIAMI, FL.

0445 PM EDT FRI 03 JUNE 2011

SUBJECT: TROPICAL CYCLONE PLAN OF THE DAY (TCPOD)

VALID 04/1100Z TO 05/1100Z JUNE 2011

TCPOD NUMBER.....11-003 AMENDMENT

I. ATLANTIC REQUIREMENTS

1. SUSPECT AREA (CARIBBEAN)..........ADDED:

FLIGHT ONE -- TEAL 70

A. 04/2000Z

B. AFXXX 01AAA INVEST

C. 04/1630Z

D. 16.0N 78.0W

E. 04/2000Z TO 04/2315Z

F. SFC TO 10,000 FT

G. RESOURCES PERMITTING

2. SUCCEEDING DAY OUTLOOK............CHANGED:

BEGIN 12-HRLY FIXES AT 05/1800Z IF SYSTEM DEVELOPS.

3. REMARK: INVEST FOR 03/1800Z CANCELED AT 03/1130Z.

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I suspect this will be a slow developer, if then. Still lacking moisture in the mid levels and appears to be rather broad. If consolidation can occur, then a TS is not out of the question, IMO.

post-32-0-55894700-1307153987.jpg

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94L still suffering some SW shear. Unless things change later today, I suspect RECON will be a no go. With a weaker system, the western side of track guidance would be my hunch regarding any future track for 94L. The HWRF is out to lunch as well as the Canadian.

post-32-0-81844400-1307183782.png

post-32-0-45969700-1307183842.jpg

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As expected, RECON for today has been cancelled. Schedule for toworrow/'Monday have been tasked.

WEATHER RECONNAISSANCE FLIGHTS

CARCAH, NATIONAL HURRICANE CENTER, MIAMI, FL.

1115 AM EDT SAT 04 JUNE 2011

SUBJECT: TROPICAL CYCLONE PLAN OF THE DAY (TCPOD)

VALID 05/1100Z TO 06/1100Z JUNE 2011

TCPOD NUMBER.....11-004

I. ATLANTIC REQUIREMENTS

1. SUSPECT AREA (CARIBBEAN)

FLIGHT ONE -- TEAL 70

A. 05/1800Z

B. AFXXX 01AAA INVEST

C. 05/1430Z

D. 17.0N 78.0W

E. 05/1745Z TO 04/2200Z

F. SFC TO 10,000 FT

FLIGHT TWO -- TEAL 71

A. 06/0600Z

B. AFXXX 0201A CYCLONE

C. 06/0145Z

D. 17.0N 78.0W

E. 06/0500Z TO 06/0900Z

F. SFC TO 15,000 FT

2. SUCCEEDING DAY OUTLOOK: CONTINUE 12-HRLY FIXES WHILE

SYSTEM REMAINS A THREAT.

3. REMARK: LOW-LEVEL INVEST MISSION FOR 04/1800Z CANCELED

BY NHC AT 04/1300Z.

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TROPICAL WEATHER OUTLOOK

NWS NATIONAL HURRICANE CENTER MIAMI FL

200 PM EDT SAT JUN 4 2011

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

THE BROAD AREA OF LOW PRESSURE CENTERED ABOUT 125 MILES SOUTH-

SOUTHWEST OF JAMAICA HAS CHANGED LITTLE IN ORGANIZATION TODAY.

ALTHOUGH UPPER-LEVEL WINDS HAVE BEEN BECOMING A LITTLE MORE

CONDUCIVE FOR DEVELOPMENT...DRY AIR IN THE MIDDLE LEVELS OF THE

ATMOSPHERE APPEARS TO BE LIMITING SHOWER AND THUNDERSTORM

DEVELOPMENT NEAR THE CENTER. THERE IS A MEDIUM CHANCE...30

PERCENT...OF THIS SYSTEM BECOMING A TROPICAL CYCLONE DURING THE

NEXT 48 HOURS. HEAVY RAINS COULD CAUSE FLASH FLOODING AND MUD

SLIDES OVER PORTIONS OF HAITI...THE DOMINICAN REPUBLIC...AND

JAMAICA AS THE LOW MOVES VERY LITTLE OVER THE NEXT COUPLE OF DAYS.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE

NEXT 48 HOURS.

$$

FORECASTER BERG

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Nice naked swirl, if somewhat sloppy, SSW of Jamaica. If that was under the convection, it would also be under a local min, 10 knots or less, of shear. Models have been showing dry air in the low to mid levels as an inhibiting factor for several days, NHC is mentioning that.

post-138-0-19700700-1307219213.gif

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Nice naked swirl, if somewhat sloppy, SSW of Jamaica. If that was under the convection, it would also be under a local min, 10 knots or less, of shear. Models have been showing dry air in the low to mid levels as an inhibiting factor for several days, NHC is mentioning that.

I will be happy if the moisture from this mess makes it to Florida next week-end, into the following week.

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Surface analysis suggest a trough across the SW Caribbean with no defined surface low. Convection is firing to the E of a very broad spin and mid level conditions have improved, but 94L still needs convection on it's western flack before any consolidation could occur and frankly, those chances do not look good at this point.

post-32-0-67551300-1307278726.jpg

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The master has spoken..

70451_100000658268929_7806014_q.jpg David Tolleris dont see 94L could possibly be a threat to the US given the overall pattern...

David Tolleris Model are not very good witha weak systemn... this aint Brain surgery... there is a MASSIVE Ocean low and deep trough off the East coast and Massive Ridge over TX and the western gulf. This weak system is not going to go INTO the ridge... it will turn move NE through eastern Cuba then out to sea

he is right. this never had a chance with a powerful neg NAO and low pressure dominating the west atlantic, something i pointed out days ago. this will be a repeat of the nothing season of last year unless a ridge somehow locks in over the west atlantic and that strong neg NAO reverses.

http://moe.met.fsu.e...sure&hour=168hr

i know jb is saying a ridge will be where the trough was last season, but there is absolutely zero sign of that now.

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