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National Hurricane Center Graphical Tropical Weather Outlooks
Updated: 4 min 48 sec ago

NHC Eastern Pacific Outlook

October 28, 2014 - 11:23am





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT TUE OCT 28 2014

For the eastern North Pacific...east of 140 degrees west longitude:

1. The area of low pressure located several hundred miles south-
southwest of the Gulf of Tehuantepec remains fairly well organized.
However, recent satellite data indicate the low does not have a
well-defined center and is not a tropical cyclone yet. Environmental
conditions still appear conducive for a tropical depression to form
later today or tonight while the low moves slowly
west-northwestward.
* Formation chance through 48 hours...high...near 100 percent.
* Formation chance through 5 days...high...near 100 percent.

Forecaster Blake


NHC Atlantic Outlook

October 28, 2014 - 5:35am





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 AM EDT TUE OCT 28 2014

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

1. A tropical wave interacting with an upper-level trough continues to
produce a large area of cloudiness and disorganized thunderstorms
from the Lesser Antilles eastward over the Atlantic Ocean for
several hundred miles. Since upper-level winds are expected to be
marginally conducive, some gradual development of this disturbance
is possible while it moves northwestward to west-northwestward at
10 to 15 mph during the next few days. By the weekend, however,
conditions are expected to become unfavorable for tropical cyclone
formation. Regardless of development, this system will produce brief
periods of gusty winds and locally heavy rainfall across portions of
the Lesser Antilles through today.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 5 days...medium...30 percent.

Forecaster Stewart


NHC Eastern Pacific Outlook

October 28, 2014 - 5:23am





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 AM PDT TUE OCT 28 2014

For the eastern North Pacific...east of 140 degrees west longitude:

1. Satellite images indicate that the area of low pressure located
several hundred miles south-southwest of the Gulf of
Tehuantepec is on the verge of becoming a tropical depression.
Environmental conditions appear conducive for further development,
and a tropical depression is expected to form later today while the
low moves slowly west-northwestward.
* Formation chance through 48 hours...high...near 100 percent.
* Formation chance through 5 days...high...near 100 percent.

Forecaster Blake


NHC Atlantic Outlook

October 28, 2014 - 4:31am





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT TUE OCT 28 2014

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

The National Hurricane Center issued the last advisory on
Post-Tropical Cyclone Hanna, located inland over northern Nicaragua.

1. A tropical wave interacting with an upper-level trough continues to
produce a large area of cloudiness and disorganized thunderstorms
from the Lesser Antilles eastward over the Atlantic Ocean for
several hundred miles. Development, if any, of this disturbance
should be slow to occur while it moves northwestward to west-
northwestward at 10 to 15 mph during the next few days since upper-
level winds are expected to be only marginally conducive. By the
weekend, conditions are expected to become unfavorable for
development. Regardless of development, this system will produce
brief periods of gusty winds and locally heavy rainfall across
portions of the Lesser Antilles through Tuesday.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...20 percent.

Public Advisories on Hanna are issued under WMO header WTNT34 KNHC
and under AWIPS header MIATCPAT4. Forecast/Advisories on Hanna are
issued under WMO header WTNT24 KNHC and under AWIPS header
MIATCMAT4.

Forecaster Beven


NHC Atlantic Outlook

October 27, 2014 - 11:42pm





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT TUE OCT 28 2014

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

The National Hurricane Center issued the last advisory on
Post-Tropical Cyclone Hanna, located inland over northern Nicaragua.

1. A tropical wave interacting with an upper-level trough continues to
produce a large area of cloudiness and disorganized thunderstorms
from the Lesser Antilles eastward over the Atlantic Ocean for
several hundred miles. Development, if any, of this disturbance
should be slow to occur while it moves northwestward to west-
northwestward at 10 to 15 mph during the next few days since upper-
level winds are expected to be only marginally conducive. By the
weekend, conditions are expected to become unfavorable for
development. Regardless of development, this system will produce
brief periods of gusty winds and locally heavy rainfall across
portions of the Lesser Antilles through Tuesday.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...20 percent.

Public Advisories on Hanna are issued under WMO header WTNT34 KNHC
and under AWIPS header MIATCPAT4. Forecast/Advisories on Hanna are
issued under WMO header WTNT24 KNHC and under AWIPS header
MIATCMAT4.

Forecaster Beven


NHC Eastern Pacific Outlook

October 27, 2014 - 11:37pm





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 PM PDT MON OCT 27 2014

For the eastern North Pacific...east of 140 degrees west longitude:

1. Showers and thunderstorms associated with an area of low pressure
located several hundred miles south-southwest of the Gulf of
Tehuantepec are gradually becoming better organized. Environmental
conditions appear conducive for further development, and a tropical
depression is likely to form during the next day or two while the
low moves slowly westward to west-northwestward.
* Formation chance through 48 hours...high...80 percent.
* Formation chance through 5 days...high...90 percent.

Forecaster Beven


NHC Atlantic Outlook

October 27, 2014 - 8:33pm





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT MON OCT 27 2014

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

The National Hurricane Center is issuing advisories on Tropical
Depression Hanna, located inland over northeastern Nicaragua.

1. A tropical wave interacting with an upper-level trough continues to
produce a large area of cloudiness and disorganized thunderstorms
from the Lesser Antilles eastward over the Atlantic Ocean for
several hundred miles. Development, if any, of this disturbance
should be slow to occur while it moves northwestward to west-
northwestward at 10 to 15 mph during the next few days since upper-
level winds are expected to be only marginally conducive. By the
weekend, conditions are expected to become unfavorable for
development. Regardless of development, this system will produce
brief periods of gusty winds and locally heavy rainfall across
portions of the Lesser Antilles through Tuesday.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...20 percent.

Public Advisories on Hanna are issued under WMO header WTNT34 KNHC
and under AWIPS header MIATCPAT4. Forecast/Advisories on Hanna are
issued under WMO header WTNT24 KNHC and under AWIPS header
MIATCMAT4.

Forecaster Brennan


NHC Atlantic Outlook

October 27, 2014 - 5:40pm





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 PM EDT MON OCT 27 2014

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

The National Hurricane Center is issuing advisories on Tropical
Depression Hanna, located inland over northeastern Nicaragua.

1. A tropical wave interacting with an upper-level trough continues to
produce a large area of cloudiness and disorganized thunderstorms
from the Lesser Antilles eastward over the Atlantic Ocean for
several hundred miles. Development, if any, of this disturbance
should be slow to occur while it moves northwestward to west-
northwestward at 10 to 15 mph during the next few days since upper-
level winds are expected to be only marginally conducive. By the
weekend, conditions are expected to become unfavorable for
development. Regardless of development, this system will produce
brief periods of gusty winds and locally heavy rainfall across
portions of the Lesser Antilles through Tuesday.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...20 percent.

Public Advisories on Hanna are issued under WMO header WTNT34 KNHC
and under AWIPS header MIATCPAT4. Forecast/Advisories on Hanna are
issued under WMO header WTNT24 KNHC and under AWIPS header
MIATCMAT4.

Forecaster Brennan


NHC Eastern Pacific Outlook

October 27, 2014 - 5:36pm





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT MON OCT 27 2014

For the eastern North Pacific...east of 140 degrees west longitude:

1. Showers and thunderstorms associated with an area of low pressure
located several hundred miles south-southwest of the Gulf of
Tehuantepec continue to show signs of organization. Environmental
conditions are expected to be conducive for further development, and
a tropical depression is likely to form by the middle part of this
week while the low moves slowly westward to west-northwestward.
* Formation chance through 48 hours...high...70 percent.
* Formation chance through 5 days...high...90 percent.

Forecaster Kimberlain


NHC Atlantic Outlook

October 27, 2014 - 2:35pm





TROPICAL WEATHER OUTLOOK...CORRECTED
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT MON OCT 27 2014

Corrected probability categories

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

The National Hurricane Center is issuing advisories on newly formed
Tropical Storm Hanna, located near the Honduras-Nicaragua border.

1. A tropical wave interacting with an upper-level trough is producing
a large area of cloudiness and thunderstorms from the Lesser
Antilles eastward over the Atlantic Ocean for several hundred miles.
Development, if any, of this disturbance should be slow to occur
during the next few days since upper-level winds are only marginally
conducive. After that time, conditions are expected to become
unfavorable for development while the system moves northwestward to
west-northwestward at 10 to 15 mph. Regardless of development, this
system will produce brief periods of gusty winds and locally heavy
rainfall across the Lesser Antilles through Tuesday.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...20 percent.

Public Advisories on Tropical Storm Hanna are issued under WMO
header WTNT34 KNHC and under AWIPS header MIATCPAT4.
Forecast/Advisories on Tropical Storm Hanna are issued under WMO
header WTNT24 KNHC and under AWIPS header MIATCMAT4.

Forecaster Stewart


NHC Atlantic Outlook

October 27, 2014 - 12:09pm





TROPICAL WEATHER OUTLOOK...CORRECTED
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT MON OCT 27 2014

Corrected probability categories

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

The National Hurricane Center is issuing advisories on newly formed
Tropical Storm Hanna, located near the Honduras-Nicaragua border.

1. A tropical wave interacting with an upper-level trough is producing
a large area of cloudiness and thunderstorms from the Lesser
Antilles eastward over the Atlantic Ocean for several hundred miles.
Development, if any, of this disturbance should be slow to occur
during the next few days since upper-level winds are only marginally
conducive. After that time, conditions are expected to become
unfavorable for development while the system moves northwestward to
west-northwestward at 10 to 15 mph. Regardless of development, this
system will produce brief periods of gusty winds and locally heavy
rainfall across the Lesser Antilles through Tuesday.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...20 percent.

Public Advisories on Tropical Storm Hanna are issued under WMO
header WTNT34 KNHC and under AWIPS header MIATCPAT4.
Forecast/Advisories on Tropical Storm Hanna are issued under WMO
header WTNT24 KNHC and under AWIPS header MIATCMAT4.

Forecaster Stewart


NHC Atlantic Outlook

October 27, 2014 - 11:39am





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT MON OCT 27 2014

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

The National Hurricane Center is issuing advisories on newly formed
Tropical Storm Hanna, located near the Honduras-Nicaragua border.

1. A tropical wave interacting with an upper-level trough is producing
a large area of cloudiness and thunderstorms from the Lesser
Antilles eastward over the Atlantic Ocean for several hundred miles.
Development, if any, of this disturbance should be slow to occur
during the next few days since upper-level winds are only marginally
conducive. After that time, conditions are expected to become
unfavorable for development while the system moves northwestward to
west-northwestward at 10 to 15 mph. Regardless of development, this
system will produce brief periods of gusty winds and locally heavy
rainfall across the Lesser Antilles through Tuesday.
* Formation chance through 48 hours...high...10 percent.
* Formation chance through 5 days...high...20 percent.

Public Advisories on Tropical Storm Hanna are issued under WMO
header WTNT34 KNHC and under AWIPS header MIATCPAT4.
Forecast/Advisories on Tropical Storm Hanna are issued under WMO
header WTNT24 KNHC and under AWIPS header MIATCMAT4.

Forecaster Stewart


NHC Eastern Pacific Outlook

October 27, 2014 - 11:17am





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT MON OCT 27 2014

For the eastern North Pacific...east of 140 degrees west longitude:

1. Showers and thunderstorms continue to become better organized near
an area of low pressure located several hundred miles
south-southwest of the Gulf of Tehuantepec. Environmental
conditions are expected to be conducive for development, and a
tropical depression could form later tonight or on Tuesday while
the low moves slowly westward to west-northwestward.
* Formation chance through 48 hours...high...60 percent.
* Formation chance through 5 days...high...80 percent.

Forecaster Stewart


NHC Atlantic Outlook

October 27, 2014 - 11:15am





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 PM EDT MON OCT 27 2014

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

The National Hurricane Center is issuing advisories on newly formed
Tropical Storm Hanna, located near the Honduras-Nicaragua border.

1. A tropical wave interacting with an upper-level trough is producing
a large area of cloudiness and thunderstorms from the Lesser
Antilles eastward over the Atlantic Ocean for several hundred miles.
Development, if any, of this disturbance should be slow to occur
during the next few days since upper-level winds are only marginally
conducive. After that time, conditions are expected to become
unfavorable for development while the system moves northwestward to
west-northwestward at 10 to 15 mph. Regardless of development, this
system will produce brief periods of gusty winds and locally heavy
rainfall across the Lesser Antilles through Tuesday.
* Formation chance through 48 hours...high...10 percent.
* Formation chance through 5 days...high...20 percent.

Public Advisories on Tropical Storm Hanna are issued under WMO
header WTNT34 KNHC and under AWIPS header MIATCPAT4.
Forecast/Advisories on Tropical Storm Hanna are issued under WMO
header WTNT24 KNHC and under AWIPS header MIATCMAT4.

Forecaster Stewart


NHC Atlantic Outlook

October 27, 2014 - 7:05am





SPECIAL TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
835 AM EDT MON OCT 27 2014

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

Special outlook to describe increased organization of low pressure
system over the northwestern Caribbean Sea.

1. Updated: The small low pressure system, the remnants of Tropical
Depression Nine, is producing a concentrated area of thunderstorms
along and just east of the coasts of northern Nicaragua and eastern
Honduras. This system has continued to become better organized, and
satellite-derived wind data overnight indicates that this system has
tropical-storm-force winds on the west side of the circulation. As a
result, the low is being upgraded to Tropical Storm Hanna, and a
Special Advisory will be issued by 900 am EDT...1300 UTC. Tropical
storm warnings will likely be required for portions of northeastern
Nicaragua and eastern Honduras.
* Formation chance through 48 hours...high...100 percent.
* Formation chance through 5 days...high...100 percent.

Forecaster Stewart/Berg


NHC Atlantic Outlook

October 27, 2014 - 6:35am





SPECIAL TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
835 AM EDT MON OCT 27 2014

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

Special outlook to describe increased organization of low pressure
system over the northwestern Caribbean Sea.

1. Updated: The small low pressure system, the remnants of Tropical
Depression Nine, is producing a concentrated area of thunderstorms
along and just east of the coasts of northern Nicaragua and eastern
Honduras. This system has continued to become better organized, and
satellite-derived wind data overnight indicates that this system has
tropical-storm-force winds on the west side of the circulation. As a
result, the low is being upgraded to Tropical Storm Hanna, and a
Special Advisory will be issued by 900 am EDT...1300 UTC. Tropical
storm warnings will likely be required for portions of northeastern
Nicaragua and eastern Honduras.
* Formation chance through 48 hours...high...100 percent.
* Formation chance through 5 days...high...100 percent.

Forecaster Stewart/Berg


NHC Atlantic Outlook

October 27, 2014 - 5:51am





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
800 AM EDT MON OCT 27 2014

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

1. A small low pressure system, the remnants of Tropical Depression
Nine, is producing a concentrated area of showers and thunderstorms
along the coasts of northern Nicaragua and eastern Honduras.
Although this system is showing signs of development, the low is
forecast to move southwestward inland over Nicaragua later today.
Regardless of development, heavy rains and gusty winds are possible
over portions of northeastern Nicaragua and eastern Honduras during
the day.
* Formation chance through 48 hours...medium...30 percent.
* Formation chance through 5 days...medium...30 percent.

Forecaster Berg


NHC Eastern Pacific Outlook

October 27, 2014 - 5:45am





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 AM PDT MON OCT 27 2014

For the eastern North Pacific...east of 140 degrees west longitude:

1. Showers and thunderstorms are gradually becoming better organized
near an area of low pressure located several hundred miles
south-southwest of the Gulf of Tehuantepec. Environmental
conditions are expected to be conducive for development, and
tropical cyclone formation is likely later this week while the low
drifts toward the west or west-northwest at 5 mph or less.
* Formation chance through 48 hours...medium...40 percent.
* Formation chance through 5 days...high...80 percent.

Forecaster Berg


NHC Atlantic Outlook

October 26, 2014 - 11:02pm





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
200 AM EDT MON OCT 27 2014

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

1. A small low pressure system, the remnants of Tropical Depression
Nine, is located over the western Caribbean Sea near Cabo Gracias
a Dios, Nicaragua. Although showers and thunderstorms associated
with this system have increased and become more concentrated during
the past 12 hours, surface pressures are not falling. The low is
expected to move west-southwestward or southwestward over land later
today, which should inhibit any significant development.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...10 percent.

Forecaster Kimberlain


NHC Eastern Pacific Outlook

October 26, 2014 - 11:01pm





TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 PM PDT SUN OCT 26 2014

For the eastern North Pacific...east of 140 degrees west longitude

1. Showers and thunderstorms associated with an area of low pressure,
located several hundred miles south of the Gulf of Tehuantepec, have
changed little in organization during the last several hours.
However, satellite data indicate that the circulation of the low is
gradually becoming better defined. Environmental conditions are
expected to be conducive for development this week while the low
drifts toward the west or west-northwest.
* Formation chance through 48 hours...medium...30 percent.
* Formation chance through 5 days...high...80 percent.

Forecaster Kimberlain