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Atlantic Hurricane Outlook & Discussion

	Expires:No;;321531
ABNT20 KNHC 202332
TWOAT 
TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT MON OCT 20 2014
For the North Atlantic...Caribbean Sea and the Gulf of Mexico:
Showers and thunderstorms associated with an area of low pressure
located over the southwestern Bay of Campeche have changed little
in organization since this afternoon.  This system has the potential
to become a tropical cyclone during the next couple of days while it
moves slowly eastward across the southern Bay of Campeche. Later
in the week, the low is forecast to interact and possibly merge
with a frontal system over the southeastern Gulf of Mexico or
northwestern Caribbean Sea.  An Air Force Reserve reconnaissance
aircraft is scheduled to investigate the disturbance tomorrow
afternoon, if necessary. Interests in the Yucatan Peninsula should
monitor the progress of this system.
* Formation chance through 48 hours...medium...50 percent.
* Formation chance through 5 days...high...60 percent.
A large non-tropical low is located over the far eastern Atlantic
Ocean a few hundred miles southeast of the Azores. This system is
producing winds to gale-force and could gradually acquire some
subtropical characteristics during the next day or so while
it moves slowly westward.  Upper-level winds are forecast to become
less conducive for subtropical or tropical cyclone formation by late
Wednesday and development after that time is becoming less likely.
Additional information on this system can be found in High Seas
Forecasts issued by Meteo France.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...20 percent.
&&
High Seas Forecasts issued by Meteo France can be found under WMO
header FQNT50 LFPW.
$$
Forecaster Brown


Expires:No;;328472
AXNT20 KNHC 210317
TWDAT 
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
805 PM EDT MON OCT 20 2014
TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL  
AMERICA...GULF OF MEXICO...CARIBBEAN SEA...NORTHERN SECTIONS OF 
SOUTH AMERICA...AND ATLANTIC OCEAN TO THE AFRICAN COAST FROM THE 
EQUATOR TO 32N. THE FOLLOWING INFORMATION IS BASED ON SATELLITE 
IMAGERY...WEATHER OBSERVATIONS...RADAR...AND METEOROLOGICAL 
ANALYSIS.
BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2345 UTC.
...SPECIAL FEATURES...                                           
A 1008 MB LOW PRESSURE SYSTEM IS LOCATED OVER THE SW PORTION OF 
THE BAY OF CAMPECHE WITH CENTER NEAR 20N95W AS OF 2100 UTC. THIS 
SYSTEM IS BECOMING BETTER ORGANIZED WITH TIME. THIS SYSTEM HAS 
THE POTENTIAL TO BECOME A TROPICAL CYCLONE OVER THE NEXT 48-72 
HOURS WHILE MOVING SLOWLY TO THE ENE. SCATTERED MODERATE 
CONVECTION IS FROM 19N-25N BETWEEN 89W-96W WHILE WEAKER 
CONVECTION PREVAILS S OF 29N...E OF 89W. INTERESTS IN THE 
YUCATAN PENINSULA SHOULD MONITOR THE PROGRESS OF THIS SYSTEM. 
THE CHANCE OF FORMATION THROUGH THE NEXT 48 HOURS IS MEDIUM.
PLEASE REFER TO THE METEO-FRANCE HIGH SEAS FORECAST THAT IS 
LISTED UNDER GRAND LARGE METAREA II...FOR THE SECTIONS THAT ARE 
TITLED...IRVING AND MADEIRA. GALE-FORCE WINDS ARE FORECAST FOR 
THOSE AREAS. THE WMO HEADER FOR THIS FORECAST BY METEO-FRANCE IS 
FQNT50 LFPW. THE WEB ADDRESS FOR METEO-FRANCE IS WWW.METEO.FR.
 
...TROPICAL WAVES...                                            
TROPICAL WAVE OVER THE CENTRAL TROPICAL ATLANTIC WITH AXIS THAT 
EXTENDS FROM 16N46W TO 04N50W. THIS WAVE IS MOVING W NEAR 15 KT. 
ABUNDANT MOISTURE IS STILL PREVAILING IN THE ENVIRONMENT OF THIS 
WAVE AS DEPICTED ON THE TOTAL PRECIPITABLE WATER IMAGERY. 
SCATTERED MODERATE TO ISOLATED STRONG CONVECTION ARE FROM 10N-
15N BETWEEN 42W-50W.
...THE ITCZ/THE MONSOON TROUGH...                                
THE MONSOON TROUGH EXTENDS ACROSS AFRICA TO THE E TROPICAL ATLC 
NEAR 07N13W AND CONTINUES TO 07N17W. THE ITCZ EXTENDS FROM 
07N17W TO 08N24W TO 05N33W TO 08N43W. THE ITCZ RESUMES W OF A 
TROPICAL WAVE AT 08N51W TO THE COAST OF SOUTH AMERICA NEAR 
06N54W. BESIDES THE CONVECTION MENTIONED IN THE TROPICAL WAVE 
SECTION...SCATTERED MODERATE CONVECTION IS FROM 04N-09N BETWEEN 
24W-39W. ISOLATED MODERATE CONVECTION IS FROM 07N-10N BETWEEN 
50W-52W. 
 
...DISCUSSION...
GULF OF MEXICO...                                               
A 1008 MB LOW CENTERED OVER THE BAY OF CAMPECHE NEAR 20N95W IS 
AFFECTING THE VAST MAJORITY OF THE BASIN. FOR MORE INFORMATION 
ABOUT THIS SYSTEM PLEASE REFER TO THE SECTION ABOVE. FAIR 
WEATHER IS PREVAILING OVER THE REMAINDER OF THE GULF OF MEXICO. 
AN UPPER-LEVEL RIDGE WITH AXIS ALONG 87W IS OVER THE EASTERN 
PORTION OF THE GULF. OVER THE NEXT 24 HOURS...EXPECT CONVECTION 
TO PERSIST AND SPREAD E OVER THE BAY OF CAMPECHE...YUCATAN 
PENINSULA...AND SE GULF. 
 
CARIBBEAN SEA...                                               
05-15 KT TRADEWINDS ARE PREVAILING OVER THE BASIN WITH STRONGEST 
WINDS OVER THE CENTRAL CARIBBEAN. THE MONSOON TROUGH PAIRED WITH 
UPPER LEVEL DIFFLUENCE IS ENHANCING CONVECTION OVER THE SW 
CARIBBEAN AFFECTING CENTRAL AMERICA AND THE ADJACENT CARIBBEAN 
WATERS S OF 12N. SCATTERED MODERATE CONVECTION IS PRESENT OVER 
THE YUCATAN CHANNEL RELATED TO THE 1008 MB LOW OVER THE BAY OF 
CAMPECHE. DIURNAL CONVECTION WILL CONTINUE OVER THE GREATER 
ANTILLES WEAKENING QUICKLY THROUGH THE EVENING HOURS. OVER THE 
NEXT 24 HOURS...EXPECT THE MONSOON TROUGH TO CONTINUE ENHANCING 
CONVECTION OVER THE S CARIBBEAN WATERS AND CENTRAL AMERICA.
 
HISPANIOLA...                                                  
SCATTERED MODERATE CONVECTION IS OVER THE ISLAND DUE TO DIURNAL 
HEATING. EXPECT SIMILAR AFTERNOON/EVENING CONVECTION ONCE AGAIN 
TO BE OVER THE ISLAND IN 24 HOURS.  
 
ATLANTIC OCEAN...                                              
A STATIONARY FRONT IS OVER THE W ATLANTIC FROM 29N81W TO 28N70W. 
A COLD FRONT IS DEPICTED FROM THE END OF THE STATIONARY FRONT 
EXTENDING N INTO THE NW ATLANTIC. SCATTERED MODERATE CONVECTION 
IS E OF THE BOUNDARY FROM 36N-45N BETWEEN 48W-52W. A SURFACE 
TROUGH WAS ANALYZED FROM 26N67W TO 25N66W WITH ISOLATED 
CONVECTION ALONG THIS FEATURE. TO THE E...A 1013 MB LOW IS 
CENTERED NEAR 25N55W WITH A TROUGH THAT EXTENDS FROM 32N55W TO 
22N57W. ISOLATED MODERATE CONVECTION IS FROM 23N-33N BETWEEN 43W-
54W. OVER THE EASTERN ATLANTIC...A 996 MB LOW N OF THE CANARY 
ISLANDS GENERATING GALE FORCE WINDS. THIS LOW IS PAIRED AT UPPER 
LEVELS WITH A LOW CENTERED NEAR 33N24W ENHANCING CONVECTION. A 
STATIONARY FRONT EXTENDS FROM THIS LOW INTO THE ADJACENT WATERS 
OF THE COAST OF AFRICA FROM 31N12W TO 21N20W. FOR MORE 
INFORMATION PLEASE REFER TO THE SECTION ABOVE. OVER THE NEXT 24 
HOURS...EXPECT FOR THE W ATLANTIC FRONTAL BOUNDARY TO MOVE E 
WITH ISOLATED CONVECTION. ALSO EXPECT THE CENTRAL ATLANTIC 
SURFACE LOW AND UPPER-LEVEL LOW TO CONTINUE TO PRODUCE 
CONVECTION OVER THE AREA.
FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE
$$
ERA


	

Hurricane & Tropical Storm

Advisory


NHC Atlantic

Active tropical cyclones in the Atlantic, Caribbean, and the Gulf of Mexico

Atlantic Tropical Weather Outlook-
000
ABNT20 KNHC 202332
TWOAT

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT MON OCT 20 2014

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

Showers and thunderstorms associated with an area of low pressure
located over the southwestern Bay of Campeche have changed little
in organization since this afternoon. This system has the potential
to become a tropical cyclone during the next couple of days while it
moves slowly eastward across the southern Bay of Campeche. Later
in the week, the low is forecast to interact and possibly merge
with a frontal system over the southeastern Gulf of Mexico or
northwestern Caribbean Sea. An Air Force Reserve reconnaissance
aircraft is scheduled to investigate the disturbance tomorrow
afternoon, if necessary. Interests in the Yucatan Peninsula should
monitor the progress of this system.
* Formation chance through 48 hours...medium...50 percent.
* Formation chance through 5 days...high...60 percent.

A large non-tropical low is located over the far eastern Atlantic
Ocean a few hundred miles southeast of the Azores. This system is
producing winds to gale-force and could gradually acquire some
subtropical characteristics during the next day or so while
it moves slowly westward. Upper-level winds are forecast to become
less conducive for subtropical or tropical cyclone formation by late
Wednesday and development after that time is becoming less likely.
Additional information on this system can be found in High Seas
Forecasts issued by Meteo France.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...20 percent.

&&

High Seas Forecasts issued by Meteo France can be found under WMO
header FQNT50 LFPW.

$$
Forecaster Brown



There are no tropical cyclones at this time.-No tropical cyclones as of Tue, 21 Oct 2014 03:17:16 GMT
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