Huracán ALEX Categoría 2 (01L Caribe SW- P. Yucatán- GOM - México)

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Re: Tormenta Tropical ALEX (01L Golfo de México)
« Respuesta #168 en: Martes 29 Junio 2010 00:36:44 am »
VIGILANCIAS Y AVISOS
--------------------
CAMBIOS CON ESTA ADVERTENCIA...


UNA VIGILANCIA DE TORMENTA TROPICAL HA SIDO EMITIDA PARA LA COSTA DE
TEXAS DESDE BAFFIN BAY HASTA PORT OCONNOR.


Las demas VIGILANCIAS Y AVISOS siguen manteniéndose igual


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Re: Tormenta Tropical ALEX (01L Golfo de México)
« Respuesta #169 en: Martes 29 Junio 2010 07:25:17 am »
El último parte del NHC situa la fuerza de ALEX en 55kt

El NHC comenta el paso por el bucle de Eddy más viejo que hay en la parte occidental del GOM

THE WESTERLY SHEAR THAT WAS AFFECTING ALEX HAS ABATED AND THE SHIPS
MODEL DIAGNOSES A FURTHER DECREASE IN SHEAR...TO BELOW 10 KT IN 24
HOURS.  AS ALEX MOVES AWAY FROM THE SHELF WATERS NEAR THE NORTHWEST
COAST OF THE YUCATAN...IT SHOULD PASS OVER WARMER SEA SURFACE
TEMPERATURES DURING THE NEXT 48 HOURS OR SO...ALTHOUGH THE
PROJECTED TRACK IS NOW A LITTLE TO THE NORTH OF A WARM EDDY OVER
THE SOUTHWEST GULF.


FORECAST POSITIONS AND MAX WINDS

INITIAL      29/0300Z 21.0N  91.6W    55 KT
 12HR VT     29/1200Z 22.2N  92.3W    65 KT
 24HR VT     30/0000Z 23.6N  93.5W    70 KT
 36HR VT     30/1200Z 24.5N  95.2W    75 KT
 48HR VT     01/0000Z 25.2N  96.9W    80 KT
 72HR VT     02/0000Z 25.7N  99.6W    45 KT...INLAND
 96HR VT     03/0000Z 27.0N 102.0W    20 KT...INLAND
120HR VT     04/0000Z...DISSIPATED

$$
FORECASTER PASCH/KIMBERLAIN

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Re: Tormenta Tropical ALEX (01L Golfo de México)
« Respuesta #170 en: Martes 29 Junio 2010 09:59:33 am »
La verdad es que Alex es bastante raro. Está muy desorganizado, y con esa banda de nubes parece que vaya a ''atacar'' las costas de todo el GOM el sólo.

Un ''IKE esmirriao'' podríamos decir.



 ;)

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Re: Tormenta Tropical ALEX (01L Golfo de México)
« Respuesta #171 en: Martes 29 Junio 2010 11:30:18 am »
Vaguada muy alargada en posición eje Norte-Sur sobre Méjico, casi en el mismo sitio que ayer. Pequeña zona de Altas presiones al Oeste de la Península de Florida, sobre el GOM. Movimiento de "ALEX" ralentizándose desde ayer. Sistema frontal bajando desde Tejas..........yo creo que "ALEX" se va hacia el Norte. ::)
Sanlúcar de Barrameda (Cádiz)...En la desembocadura, a orillas del Guadalquivir y Bético, para lo bueno y lo malo

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Re: Tormenta Tropical ALEX (01L Golfo de México)
« Respuesta #172 en: Martes 29 Junio 2010 11:39:48 am »
El ultimo parte otorga a Alex 60kt

A 0525Z AIR FORCE RESERVE RECON FLIGHT FOUND TWO PEAK 925 MB
FLIGHT-LEVEL WINDS OF 73 KT LOCATED ABOUT 20 AND 45 NMI NORTHEAST
OF THE CENTER. RELIABLE SFMR SURFACE WINDS ALONG THAT LEG WERE
AROUND 57 KT...AND THE CENTRAL PRESSURE WAS 985 MB. SINCE THAT
RECON FLIGHT...DEEP CONVECTION IN THE EASTERN SEMICIRCLE OF THE
SMALL DEVELOPING EYE HAS ALSO INCREASED
. SATELLITE INTENSITY
ESTIMATES AT 06Z WERE T4.0/65 KT FROM TAFB AND T3.5/55 KT FROM SAB.
BASED ON A BLEND OF THESE DATA...THE INITIAL INTENSITY IS SET
AT 60 KT FOR THIS ADVISORY.

THE INITIAL MOTION ESTIMATE IS 340/07 BASED ON RECON AND MICROWAVE
SATELLITE FIX POSITIONS OVER THE PAST 8 HOURS. THE LATEST MODEL
GUIDANCE SUITE...INCLUDING THE CONSENSUS MODELS...HAS SHIFTED
SOUTHWARD. HOWEVER...ALEX HAS SHOWN NO SIGNS OF MAKING ANY
SIGNIFICANT WESTWARD PROGRESS
  LIKE THE ECMWF...NOGAPS...GFS...AND
GFDL MODELS HAVE BEEN AND ARE STILL FORECASTING TO OCCUR. THE
MODELS ARE CONSISTENT...HOWEVER...ON BUILDING A SUBTROPICAL RIDGE
TO THE NORTH AND EAST OF ALEX OVER THE NEXT 3 DAYS...WHICH IS
EXPECTED TO GRADUALLY STEER THE CYCLONE ON A WEST-NORTHWESTWARD OR
WESTWARD TRACK WITH TIME
. HOWEVER...WATER VAPOR IMAGERY INDICATES
THE UPPER-LEVEL OUTFLOW PATTERN IS STRONGLY ELONGATED IN A
NORTH-SOUTH ORIENTATION. THIS IS A GOOD SHORT-TERM MOTION INDICATOR
...WHICH WOULD SUGGEST THAT ALEX SHOULD MAINTAIN ITS CURRENT
NORTH-NORTHWESTWARD MOTION FOR ANOTHER 6-12 HOURS BEFORE TURNING
TOWARD THE NORTHWEST
. THIS MOTION VECTOR WOULD KEEP ALEX ALONG OR
JUST OUTSIDE THE RIGHT SIDE OF THE GUIDANCE ENVELOPE. SINCE THERE
IS NO OBVIOUS PHYSICAL JUSTIFICATION TO SHIFT THE TRACK SOUTHWARD
AT THIS TIME...THE OFFICIAL FORECAST IS JUST AN UPDATE OF THE
PREVIOUS TRACK AND IS WELL TO THE RIGHT OF THE MODEL CONSENSUS.

MICROWAVE DATA FROM 0114Z SSMIS AND 0243Z AMSU OVERPASSES INDICATED
A SMALL MID-LEVEL EYE FEATURE VERY NEAR THE LOW-LEVEL RECON CENTER
POSITION.
THIS INDICATES THAT ALEX HAS A NEARLY VERTICALLY ALIGNED
INNER CORE CIRCULATION...WHICH WOULD FAVOR STEADY INTENSIFICATION
GIVEN THE VERY CONDUCIVE UPPER-LEVEL AND OCEANIC ENVIRONMENTS THAT
THE CYCLONE IS FORECAST TO INTERACT WITH RIGHT UP UNTIL LANDFALL IN
ABOUT 48 HOURS. THE OFFICIAL INTENSITY FORECAST IS SIMILAR TO THE
PREVIOUS ADVISORY AND IS A BLEND OF THE SHIPS AND LGEM MODELS.



FORECAST POSITIONS AND MAX WINDS

INITIAL      29/0900Z 21.7N  91.9W    60 KT
 12HR VT     29/1800Z 22.8N  92.7W    65 KT
 24HR VT     30/0600Z 24.0N  94.2W    75 KT
 36HR VT     30/1800Z 24.8N  95.9W    80 KT
 48HR VT     01/0600Z 25.3N  97.4W    85 KT...NEAR NE MEXICAN COAST
 72HR VT     02/0600Z 26.0N 100.0W    35 KT...INLAND
 96HR VT     03/0600Z 27.5N 102.5W    20 KT...DISSIPATING INLAND
120HR VT     04/0600Z...DISSIPATED INLAND

$$
FORECASTER STEWART

Pues eso, la trayectoria tenderá a ser hacia el 4º cuadrante en unas 12 horas.

Las previsiones de intensidad..... ::)....muy poco me parecen esos 85 nudos...

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Re: Tormenta Tropical ALEX (01L Golfo de México)
« Respuesta #173 en: Martes 29 Junio 2010 12:14:28 pm »
Esa convección al Norte del sistema sigue aumentando...
Supongo que como decís ahi arriba(y detrás :P) se debe a la vaguada del centro de USA.
Además hay buena actividad convectiva en las montañas de Mexico

Unos loops




 ;)

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Re: Tormenta Tropical ALEX (01L Golfo de México)
« Respuesta #174 en: Martes 29 Junio 2010 12:54:15 pm »
Pedazo pelotón convectivo hay al norte del sistema, seguramente diré una gran burrada, pero con lo caliente que está el GOM, sobre todo al norte, ¿ podria formar un sistema secundario?
"Quan lo Montsià fa capell, pica espart i fes cordell"

Period = √(a^3);  a = q / ( 1 - e )

"Los cometas son como los gatos, tienen cola y hacen lo que les da la gana" David Levy

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Re: Tormenta Tropical ALEX (01L Golfo de México)
« Respuesta #175 en: Martes 29 Junio 2010 12:57:58 pm »
Pedazo pelotón convectivo hay al norte del sistema, seguramente diré una gran burrada, pero con lo caliente que está el GOM, sobre todo al norte, ¿ podria formar un sistema secundario?
Eso es lo que tratbamos hace 3 días en seguimiento general, recuerdo tu post.

Sería extraño ver una cosa así, y de hacerlo, sería meramente extratropical ;)
De todas formas el GFS ya no ve ningún sistema en Florida y/ó alrededores, espero que no afecte mucho al ''oil spill'' :-\

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Re: Tormenta Tropical ALEX (01L Golfo de México)
« Respuesta #176 en: Martes 29 Junio 2010 14:00:56 pm »
Acaba de salir el utlimo parte del NHC y prevee que a lo largo del dia mi tocayo se convierta en Huracan, de hecho ya esta alertando a la costa mejicana y el S de Texas con alerta de huracan y no de tormenta tropical

000
WTNT31 KNHC 291153
TCPAT1
BULLETIN
TROPICAL STORM ALEX INTERMEDIATE ADVISORY NUMBER  15A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL012010
700 AM CDT TUE JUN 29 2010

...HURRICANE HUNTER AIRCRAFT FINDS ALEX MOVING FASTER TOWARD THE
NORTH-NORTHWEST...


SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION
----------------------------------------------
LOCATION...22.5N 92.7W
ABOUT 335 MI...540 KM ESE OF LA PESCA MEXICO
ABOUT 380 MI...610 KM SE OF BROWNSVILLE TEXAS
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/HR
PRESENT MOVEMENT...NNW OR 330 DEGREES AT 12 MPH...19 KM/HR
MINIMUM CENTRAL PRESSURE...983 MB...29.03 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* THE COAST OF TEXAS SOUTH OF BAFFIN BAY TO THE MOUTH OF THE RIO
GRANDE
* THE COAST OF MEXICO FROM THE MOUTH OF THE RIO GRANDE TO LA CRUZ

A TROPICAL STORM WARNING IN IN EFFECT FOR...
* THE COAST OF TEXAS FROM BAFFIN BAY TO PORT OCONNOR

A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA.  A WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF
TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE
PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE
MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE
FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE
UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL
METEOROLOGICAL SERVICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 700 AM CDT...1200 UTC...THE CENTER OF TROPICAL STORM ALEX WAS
LOCATED NEAR LATITUDE 22.5 NORTH...LONGITUDE 92.7 WEST. ALEX IS NOW
MOVING TOWARD THE NORTH-NORTHWEST NEAR 12 MPH...19 KM/HR. A TURN
TOWARD THE NORTHWEST IS EXPECTED LATER TODAY...FOLLOWED BY A
GRADUAL TURN TOWARD THE WEST-NORTHWEST ON WEDNESDAY.

MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS.  ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48
HOURS...AND ALEX IS LIKELY TO BECOME A HURRICANE LATER TODAY.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...
165 KM...MAINLY NORTHEAST THROUGH SOUTHEAST OF THE CENTER.  A
MEXICAN NAVY AUTOMATED STATION AT CAYO ARENAS RECENTLY REPORTED A
WIND GUST OF 68 MPH...109 KM/HR.

THE MINIMUM CENTRAL PRESSURE JUST REPORTED BY THE HURRICANE HUNTER
IS 983 MB...29.03 INCHES.


HAZARDS AFFECTING LAND
----------------------
RAINFALL...ALEX IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL
ACCUMULATIONS OF 5 TO 10 INCHES OVER PORTIONS OF NORTHEASTERN
MEXICO AND SOUTHERN TEXAS DURING THE NEXT FEW DAYS. ADDITIONAL
RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE OVER PORTIONS
OF SOUTHERN MEXICO THROUGH TODAY. THESE RAINS COULD CAUSE
LIFE-THREATENING FLASH FLOODS AND MUD SLIDES...ESPECIALLY IN
MOUNTAINOUS TERRAIN.

WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO APPROACH THE COAST
WITHIN THE HURRICANE AND TROPICAL STORM WARNING AREAS ON
WEDNESDAY...MAKING OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS.

STORM SURGE...A DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY
AS MUCH AS 3 TO 5 FEET ABOVE GROUND LEVEL ALONG THE IMMEDIATE
COAST NEAR AND TO THE NORTH OF WHERE THE CENTER MAKES LANDFALL.  THE
SURGE COULD PENETRATE INLAND AS FAR AS SEVERAL MILES FROM THE SHORE
WITH DEPTH GENERALLY DECREASING AS THE WATER MOVES INLAND.  NEAR
THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE
WAVES.


NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY...1000 AM CDT.

$$
FORECASTER BEVEN
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Re: Tormenta Tropical ALEX (01L Golfo de México)
« Respuesta #177 en: Martes 29 Junio 2010 15:10:41 pm »
Pedazo pelotón convectivo hay al norte del sistema, seguramente diré una gran burrada, pero con lo caliente que está el GOM, sobre todo al norte, ¿ podria formar un sistema secundario?
Eso es lo que tratbamos hace 3 días en seguimiento general, recuerdo tu post.

Sería extraño ver una cosa así, y de hacerlo, sería meramente extratropical ;)
De todas formas el GFS ya no ve ningún sistema en Florida y/ó alrededores, espero que no afecte mucho al ''oil spill'' :-\
Creia que la extraña borrasca del nord este de florida tenia la génesis, allí y no al GOM. Así que el pelotón ese en principio, podria ser la supuesta borrasca extra-subtropical que veia el GFS. No tenia ni idea.
Gracias por la aclaración y felicidades por estos tópics donde se aprende un montón.
Saludos
"Quan lo Montsià fa capell, pica espart i fes cordell"

Period = √(a^3);  a = q / ( 1 - e )

"Los cometas son como los gatos, tienen cola y hacen lo que les da la gana" David Levy

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Re: Tormenta Tropical ALEX (01L Golfo de México)
« Respuesta #178 en: Martes 29 Junio 2010 16:01:52 pm »
Pues porque el cazahuracanes muestrea vientos de 60kt, porque por el propio aspecto de la tormenta, no será...

Da bastante pena. Y no parece ser cuestión de cizalladura de norte... A lo mejor hay en capas medias algo de aire seco interrumpiendo el outflow  :P



Tengo curiosidad por ver ese...

SMALL MID-LEVEL EYE FEATURE VERY NEAR THE LOW-LEVEL RECON CENTER
POSITION

A ver si se actualizan las microondas
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Re: Tormenta Tropical ALEX (01L Golfo de México)
« Respuesta #179 en: Martes 29 Junio 2010 16:19:07 pm »
Haciendo su trabajo: :cold:


SMALL MID-LEVEL EYE FEATURE VERY NEAR THE LOW-LEVEL RECON CENTER
POSITION

Quizás donde lanzaron la Dropsonda.


« Última modificación: Martes 29 Junio 2010 16:22:10 pm por Parungo »