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Avisos NOAA retransmitidos automaticamente para el 18/09/18 a las 4:15 PM
Hora EDT = UTC - 4.5 h      Hora EST  = UTC - 5h         Hora local  YV (HLV) = UTC - 4:30 h  Hora UTC actual:  20:15 del 18-09-2018
Aviso o Alerta para las 4:15 PM del 18/09/18
Discusión del estado del tiempo del Atlántico Tropical (actualizado a los 15 minutos de cada hora)
TTWDAT TTropical Weather DiscussionNNWS National Hurricane Center Miami FL7705 AM EST Thu Jan 18 2018TTropical Weather Discussion for North America, Central AmericaGGulf of Mexico, Caribbean Sea, northern sections of SouthAAmerica, and Atlantic Ocean to the African coast from theEEquator to 32N. The following information is based on satelliteiimagery, weather observations, radar and meteorological analysis.BBased on 0600 UTC surface analysis and satellite imagery through 11145 UTC.....SPECIAL FEATURES.......Atlantic Gale Warning...TThe low pressure currently located east of the N Carolina's coastwwill continue to move eastward into the western Atlantic Ocean wwhile deepening. Gale-force winds associated with this lowppressure system have developed north of 30N within 180 nm west ofaa cold front that extends from the low to 30N73W SW across the nnorthern Bahamas to the Florida Straits and then into the Yucatan PPeninsula. Winds will diminish below gale force tonight. However,nnear gale-force winds will prevail through early Friday morning aas the front weaken southeast of the Bahamas. Please read the llatest NHC High Seas Forecast under AWIPS/WMO headers <MIAHSFAT2/FZNT02 KNHC, and the latest NHC Offshore Waters FForecast, MIAOFFNT3/FZNT23 KNHC, for more details.....MONSOON TROUGH/ITCZ... TThe monsoon trough enters the Atlantic Ocean near 06N11W and ccontinues to 02N16W. The ITCZ begins near 06N16W and continues aalong 0N30W to 02N40W to 03N51W. Scattered moderate convection iis observed from 02N to 07N between 07W and 15W and from 0N to 005N between 28W and 48W.....DISCUSSION.......GULF OF MEXICO...AA surface ridge has established across the Gulf in the wake of tthe cold front that currently extends across the SW N Atlc to tthe Florida Straits to the eastern Yucatan Peninsula. SScatterometer data depicts fresh to locally strong northerly wwinds across the basin. Winds will slightly weaken as the ppressure gradient relaxes across the basin during the next 24 hhours. Fresh to locally strong southerly flow will set-up again aacross the western Gulf and persist early this weekend ahead on tthe next cold front forecast to reach the Texas coast Sunday nnight.....CARIBBEAN SEA...TThe remnants of a stationary front were analyzed as a surfacettrough that extends across the western Caribbean from 19N85W to112N82W. Abundant cloudiness with embedded showers and tthunderstorms are noted west of 80W with this trough affecting tthe Cayman Islands and western Cuba. Patches of low-level mmoisture carried by the trade wind flow are seen across the rremainder of the Caribbean Sea inducing showers. Moderate to ffresh northeast winds are seen in the lee of Cuba, and within aabout 60 nm of the coast of Nicaragua. Fresh to strong winds are nnear the coast of Colombia. The cold front currently moving aacross the Gulf of Mexico will reach the northwest Caribbean tthis morning, then extend from central Cuba to Honduras by ttonight. Fresh to strong winds and widespread showers are eexpected behind the front. Strong trade winds will pulse near tthe coast of Colombia coast on Friday night and then expand aacross much of the central Caribbean over the weekend as high ppressure builds north of the area.....HISPANIOLA...RRelatively dry weather with partly cloudy skies and isolated sshowers will prevail for the next day or so over the island due tto the influence of a ridge. Computer models show an increasing oof moisture across Hispaniola toward the end of the work-week aas a cold front approaches from the west. Fresh northeast winds aare expected across the Windward Passage today through Saturday nnight as high pressure builds across the western Atlantic in the wwake of the above mentioned front.....ATLANTIC OCEAN...AA strong cold front is moving across the west Atlantic from 331N77W to 28N80W. See the Special Features section for more ddetails about this front and the Gale Warning in effect. To the eeast, a forming cold front has developed extending from a 1014 mmb surface low near 34N73W to 24N75W. Scattered showers are nnoted in the vicinity of these features mainly west of 70W. A ssurface trough extends from 30N65W to 25N65W with minimal cconvection at this time. An upper-level low is reflected at the ssurface as a trough that extends from 31N50W to a 1021 mb low nnear 28N47W to 21N43W. Scattered moderate convection is noted nnorth of 25N between 36W- 46W. The strong high pressure near AAzores dominates most of the east and central Atlantic, and will mmove little through this weekend.FFor additional information please visit hhttp://www.hurricanes.gov/marine
NOAA - National Weather ServiceNational Hurricane Center - Atlantic Tropical Weather Discussion


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