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Atlantic Hurricane Outlook & Discussion

	Expires:No;;906655
ABNT20 KNHC 302330
TWOAT 

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT TUE JUN 30 2015

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

Tropical cyclone formation is not expected during the next 5 days.

$$
Forecaster Pasch


Expires:No;;908018
AXNT20 KNHC 010004
TWDAT 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL 
805 PM EDT TUE JUN 30 2015

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 
2315 UTC.
 
...SPECIAL FEATURES... 

...GALE IN THE CARIBBEAN...                                      
A GALE WARNING WILL GO INTO EFFECT FOR THE SW CARIBBEAN FROM 
11.5N-12N BETWEEN 74W-75W OVERNIGHT TONIGHT THROUGH EARLY WED 
MORNING. THESE GALE FORCE WINDS WILL PULSE AGAIN FRI NIGHT AND  
SAT NIGHT. THESE WINDS ARE GENERATED BY A TIGHT PRESSURE 
GRADIENT BETWEEN THE SURFACE RIDGE OVER THE W ATLC AND THE LOWER 
PRESSURE OVER SOUTH AMERICA. SEE LATEST NWS HIGH SEAS FORECAST 
UNDER AWIPS/WMO HEADERS MIAHSFAT2/FZNT02 KNHC FOR MORE DETAILS.

...TROPICAL WAVES... 

TROPICAL WAVE IN THE E TROPICAL ATLC EXTENDS ALONG 25W FROM 6N-
13N MOVING W NEAR 15 KT OVER THE PAST 24 HOURS. THE UPPER LEVEL 
SATELLITE WINDS INDICATED THE MED TO UPPER SUPPORT IS AHEAD OF 
THE SURFACE WAVE AXIS. THE TOTAL PRECIPITABLE WATER IMAGERY 
SHOWS THE SURFACE WAVE AXIS IS ALONG THE LEADING EDGE OF A SURGE 
OF DEEP MOISTURE. NO ASSOCIATED DEEP CONVECTION.

TROPICAL WAVE IN THE E CARIBBEAN EXTENDS FROM 18N61W OVER THE 
LEEWARD ISLANDS TO THE COAST OF VENEZUELA NEAR 10N65W MOVING W-
NW AT 20-25 KT OVER THE PAST 24 HOURS. THE TOTAL PRECIPITABLE 
WATER IMAGERY SHOWS THE WAVE ALONG THE LEADING EDGE OF A LOW 
AMPLITUDE SURGE OF DEEP MOISTURE. THIS SURGE IS BEING AMPLIFIED 
NORTHWARD BY THE UPPER LEVEL FEATURES. ACTIVITY OVER THE SE 
CARIBBEAN IS ASSOCIATED WITH THE UPPER LEVEL FEATURES AND IS 
BEING ENHANCED BY THE TROPICAL WAVE. 

TROPICAL WAVE IN THE CENTRAL CARIBBEAN EXTENDS FROM HISPANIOLA 
NEAR 19N71W TO INLAND OVER COLOMBIA NEAR 11N73W MOVING W NEAR 25 
KT OVER THE PAST 24 HOURS. THE TOTAL PRECIPITABLE WATER IMAGERY 
SHOWS THE WAVE REMAINS EMBEDDED WITHIN AN AREA OF DRY AIR. 
NO ASSOCIATED DEEP CONVECTION.

...ITCZ/MONSOON TROUGH...
                                     
THE MONSOON TROUGH EXTENDS ACROSS AFRICA INTO THE TROPICAL ATLC 
NEAR 20N16W ALONG 12N19W TO E OF THE TROPICAL WAVE NEAR 9N24W. 
THE ITCZ BEGINS W OF THE WAVE NEAR 8N28W AND CONTINUES ALONG 
5N43W TO SOUTH AMERICA NEAR 5N53W. SCATTERED MODERATE CONVECTION 
IS FROM 7N-10N BETWEEN 24W-27W AND IS BEING ENHANCED BY THE 
TROPICAL WAVE. CLUSTERS OF SCATTERED MODERATE CONVECTION ARE 
WITHIN 60 NM OF THE ITCZ BETWEEN 36W-41W AND FROM 50W-53W. 

...DISCUSSION...

GULF OF MEXICO...                                               
A BROAD UPPER TROUGH COVERS THE E CONUS WITH THE AXIS EXTENDING 
FROM THE GREAT LAKES OVER THE LOWER MISSISSIPPI VALLEY AND 
ENCOMPASSING THE UPPER LOW THAT HAS REMAINED OVER THE GULF NEAR 
25N85W. THIS IS GENERATING LARGE CLUSTERS OF SCATTERED SHOWERS/ 
THUNDERSTORMS N OF 27N TO INLAND OVER THE N GULF COAST BETWEEN 
THE FLORIDA PENINSULAR AND NE TEXAS. AN UPPER RIDGE EXTENDS FROM 
THE E PACIFIC REGION ACROSS S MEXICO COVERING THE SW GULF AND 
PROVIDING A DIFFLUENT ENVIRONMENT TO GENERATE SCATTERED SHOWERS/ 
ISOLATED THUNDERSTORMS FROM 21N-27W W OF 94W TO INLAND OVER 
MEXICO. NOAA/NESDIS AEROSOL PRODUCT AND VISIBLE SATELLITE 
IMAGERY INDICATES THAT A PLUMB OF AEROSOLS OR SAHARAN DUST HAS 
MOVED FROM THE W CARIBBEAN OVER THE S GULF. THE DIURNAL SURFACE 
TROUGH IS ALONG THE W COAST OF THE YUCATAN PENINSULA. HOWEVER 
DUE TO THE INFLUX OF DRY AIR AND AEROSOLS...NO CONVECTION IS 
BEING GENERATED. SURFACE RIDGE EXTENDS FROM THE ATLC ACROSS S 
FLORIDA TO TEXAS WITH A 1020 MB HIGH NEAR 27N85W. THE SURFACE 
RIDGE WILL SHIFT N TO A POSITION FROM NEAR TAMPA BAY FLORIDA TO 
NE TEXAS THIS EVENING WHERE IT WILL REMAIN THROUGH THU THEN 
SHIFT FURTHER N TO CEDAR KEY FLORIDA TO THE MISSISSIPPI DELTA BY 
THE WEEKEND. 

CARIBBEAN SEA...                                                 
THE UPPER LEVEL FEATURES OVER THE W ATLC AND GULF OF MEXICO 
COVER THE N CARIBBEAN WITH NEAR ZONAL W FLOW ALOFT DOMINATING 
THE S CARIBBEAN. THE UPPER LOW N OF HISPANIOLA COMBINED WITH THE 
TROPICAL WAVE MOVING ACROSS THE ISLAND ARE GENERATING SCATTERED 
SHOWERS/ISOLATED THUNDERSTORMS N OF 18N BETWEEN 66W-78W 
INCLUDING PUERTO RICO...HISPANIOLA...AND JAMAICA. THE UPPER 
TROUGH OVER THE GULF OF MEXICO DIPS S OVER THE NW CARIBBEAN AND 
IS GENERATING SCATTERED SHOWERS/ISOLATED THUNDERSTORMS OVER W 
CUBA W OF 82W. ISOLATED SHOWERS AND POSSIBLE ISOLATED 
THUNDERSTORMS COVER THE S CARIBBEAN S OF A LINE FROM THE COSTA 
RICA/NICARAGUA BORDER ALONG 12N75W THE GUADELOUPE IN THE LESSER 
ANTILLES. THIS IS LEAVING THE REMINDER OF THE CARIBBEAN WITH 
FAIR WEATHER THIS EVENING. NOAA/NESDIS AEROSOL PRODUCT AND 
VISIBLE SATELLITE IMAGERY INDICATES THAT A PLUMB OF AEROSOLS OR 
SAHARAN DUST COVES THE W CARIBBEAN LIMITING ANY DEEP CONVECTION. 
A PERSISTENT W ATLC SURFACE RIDGE WILL MAINTAIN STRONG TO NEAR 
GALE TRADE WINDS ACROSS THE S/CENTRAL CARIBBEAN THROUGH END OF 
THE WEEK WITH WINDS TO GALE FORCE OVERNIGHT PULSING AGAIN FRI 
NIGHT AND SAT NIGHT. TROPICAL WAVE IN THE CENTRAL CARIBBEAN WILL 
MOVE INTO THE W CARIBBEAN WED AND OVER CENTRAL AMERICA THU. THE 
E CARIBBEAN TROPICAL WAVE WILL MOVE INTO THE CENTRAL CARIBBEAN 
WED AND THE W CARIBBEAN BY THU NIGHT/EARLY FRI. A THIRD TROPICAL 
WAVE WILL MOVE INTO THE E CARIBBEAN WED THEN INTO THE CENTRAL 
CARIBBEAN BY THU AND THE W CARIBBEAN BY SAT. 
 
...HISPANIOLA...                                               
SCATTERED SHOWERS/ISOLATED THUNDERSTORMS OVER THE ISLAND ARE 
BEING GENERATED BY AN UPPER LOW CENTERED N OF THE ISLAND AND 
ENHANCED BY THE TROPICAL WAVE MOVING ACROSS THE ISLAND. AN UPPER 
TROUGH WILL PERSIST OVER THE ISLAND AS THE UPPER LOW SHIFTS N 
AWAY FROM THE ISLAND. LINGERING MOISTURE WILL BE RE-ENFORCED BY 
THE NEXT TROPICAL WAVE MOVING THROUGH THE E CARIBBEAN AND WILL 
BE OVER THE ISLAND WED AND WED NIGHT. THIS WILL CONTINUE TO 
GENERATE SHOWERS/ISOLATED THUNDERSTORMS EARLY THU WITH SOME 
CLEARING FRI. 

ATLANTIC OCEAN...                                               
A NARROW UPPER RIDGE IS ANCHORED NEAR 31N74W COVERING THE W ATLC 
W OF 70W AND IS PROVIDING A DIFFLUENT ENVIRONMENT TO GENERATE 
SCATTERED SHOWERS/ISOLATED THUNDERSTORMS N OF 28N W OF 79W TO 
OVER FLORIDA. THE UPPER LOW N OF HISPANIOLA IS CENTERED 21N69W 
AND IS GENERATING ISOLATED SHOWERS/THUNDERSTORMS S OF 25N  
BETWEEN 64W-73W. A NARROW UPPER TROUGH IS IN THE E ATLC 
SUPPORTING A COLD FRONT THAT ENTERS THE REGION NEAR 32N21W TO 
29N29W THEN DISSIPATES ALONG 29N34W TO 28N39W WHERE IT BECOMES A 
DISSIPATING STATIONARY FRONT ALONG 28N47W 26N52W TO 27N57W. THE 
REMAINDER OF THE ATLC IS DOMINATED BY A SURFACE RIDGE ANCHORED 
BY A 1029 MB HIGH N OF THE AREA NEAR 34N48W AND EXTENDING A 
RIDGE AXIS THROUGH 32N58W TO ACROSS S FLORIDA AND INTO THE GULF 
OF MEXICO. NOAA/NESDIS AEROSOL PRODUCT AND THE LAST VISIBLE 
SATELLITE IMAGERY INDICATES THAT A LARGE DENSE PLUMB OF AEROSOLS 
OR SAHARAN DUST COVERS THE TROPICS N OF THE ITCZ AND S OF LINE 
FROM THE CANARY ISLANDS ALONG 24N40W TO 22N60W. THE SURFACE 
RIDGE WILL PERSIST THROUGH THU THEN SHIFT N INTO THE WEEKEND. 

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

$$ 
PAW


	

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 302330
TWOAT

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT TUE JUN 30 2015

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

Tropical cyclone formation is not expected during the next 5 days.

$$
Forecaster Pasch


There are no tropical cyclones at this time.-No tropical cyclones as of Wed, 01 Jul 2015 00:04:32 GMT
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