中东太／北大各类图像自动更新暨非扰动云团专帖（2025年）

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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Fri Jul 25 2025

For the eastern and central North Pacific east of 180 longitude:

1. Well Southeast of the Hawaiian Islands:
An area of low pressure located well southeast of the Hawaiian
Islands is producing a large area of showers and thunderstorms.  
Some gradual development of this system is possible, and a tropical
depression could form late this weekend or early next week as it
moves generally westward at 10 to 15 mph across the far western
portion of the eastern Pacific and into the Central Pacific basin.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 7 days...medium...50 percent.

2. Central East Pacific:
An area of low pressure is forecast to form offshore of the
southwestern coast of Mexico early next week. Thereafter,
environmental conditions appear conducive for some development as
the system moves generally west-northwestward at 10 to 15 mph.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...low...30 percent.

Forecaster Kelly

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Tropical Weather Outlook
NWS Central Pacific Hurricane Center Honolulu HI
Issued by NWS National Hurricane Center Miami FL
200 AM HST Fri Jul 25 2025

For the central North Pacific...between 140W and 180W:

1. Well Southeast of the Hawaiian Islands:
An area of low pressure located well southeast of the Hawaiian
Islands is producing a large area of showers and thunderstorms.
Some gradual development of this system is possible, and a tropical
depression could form late this weekend or early next week as it
moves generally westward at 10 to 15 mph across the far western
portion of the eastern Pacific and into the Central Pacific basin.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 7 days...medium...50 percent.

Forecaster Kelly

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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
800 PM EDT Fri Jul 25 2025

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

1. Northwestern Gulf:
Disorganized showers and thunderstorms over the northwestern Gulf
and adjacent land areas are associated with a trough of low pressure
that is moving inland over southwestern Louisiana and southeastern
Texas. Development of this system is no longer expected. However,
locally heavy rainfall is likely over portions of the northwestern
Gulf coast during the next couple of days.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...low...near 0 percent.

Forecaster Beven

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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 PM PDT Fri Jul 25 2025

For the eastern and central North Pacific east of 180 longitude:

1. Eastern portion of Central Pacific (CP90):
Showers and thunderstorms associated with a broad area of low
pressure located around 1100 miles southeast of the Hawaiian Islands
have decreased since earlier today. Some gradual development of this
system is possible, and a tropical depression could form this
weekend or early next week as it moves generally westward at 10 to
15 mph across the Central Pacific basin.
* Formation chance through 48 hours...medium...50 percent.
* Formation chance through 7 days...medium...60 percent.

2. South of Southwestern Mexico:
An area of low pressure is forecast to form offshore of the
southwestern coast of Mexico early next week. Thereafter,
environmental conditions appear conducive for some development and a
tropical depression could form during the middle to latter part of
next week as the system moves generally west-northwestward at 10 to
15 mph.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...medium...40 percent.

3. Western East Pacific:
An area of low pressure is forecast to develop over 1500 miles
east-southeast of the Hawaiian Islands during the next day or two.
Some gradual development is possible thereafter, as the system moves
generally westward around 10 mph.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 7 days...low...20 percent.

Forecaster Jelsema

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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 PM PDT Sat Jul 26 2025

For the eastern and central North Pacific east of 180 longitude:

1. Eastern portion of the Central Pacific (CP90):
Showers and thunderstorms associated with an area of low pressure
about 900 miles southeast of the Hawaiian Islands have become better
organized since earlier today. Additional development of this system
is expected and a tropical depression is likely to form later
tonight or Sunday as it moves generally westward around 10 mph, well
to the south of the Hawaiian Islands.
* Formation chance through 48 hours...high...80 percent.
* Formation chance through 7 days...high...80 percent.

2. Western East Pacific:
A trough of low pressure about 1700 miles east-southeast of the
Hawaiian Islands is producing a large area of disorganized showers
and thunderstorms. Some gradual development of this system is
possible during the next few days at it moves generally westward
around 10 mph.
* Formation chance through 48 hours...low...30 percent.
* Formation chance through 7 days...low...30 percent.


3. South of Southwestern Mexico:
An area of low pressure is forecast to form well offshore of the
southwestern coast of Mexico early next week. Thereafter,  
environmental conditions appear conducive for gradual development,
and a tropical depression could form during the middle to latter
part of next week as the system moves west-northwestward or
northwestward at 10 to 15 mph.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...medium...40 percent.

Forecaster Jelsema

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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Sun Jul 27 2025

For the eastern and central North Pacific east of 180 longitude:

Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Depression One-C, located in the central Pacific basin well
southeast of the Hawaiian Islands.

1. Western East Pacific:
A low pressure area has formed well east-southeast of the Hawaiian
Islands. While the associated thunderstorm activity is currently
disorganized, gradual development of this system is possible during
the next couple of days while it moves generally westward around  
10 mph.
* Formation chance through 48 hours...medium...40 percent.
* Formation chance through 7 days...medium...40 percent.


2. South of Southwestern Mexico:
An area of disturbed weather has developed several hundred miles
south-southwest of the Gulf of Tehuantepec. During the next day or
two, an area of low pressure is forecast to form from this system
well offshore of the southwestern coast of Mexico. Thereafter,  
environmental conditions appear conducive for gradual development,
and a tropical depression is likely to form late this week as the
system moves west-northwestward or northwestward at 10 to 15 mph.  
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 7 days...high...70 percent.



Public advisories on Tropical Depression One-C are issued under WMO
header WTPA31 PHFO and under AWIPS header HFOTCPCP1.
Forecast/Advisories on Tropical Depression One-C are issued under
WMO header WTPA21 PHFO and under AWIPS header HFOTCMCP1.


Forecaster Beven

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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 PM PDT Sun Jul 27 2025

For the eastern and central North Pacific east of 180 longitude:

Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Iona, located in the central Pacific basin well southeast of
the Hawaiian Islands.

1. Western East Pacific:
An area of low pressure well east-southeast of the Hawaiian Islands
is producing disorganized showers and thunderstorms. Gradual
development of this system is possible and a tropical depression
could form during the next couple of days as it moves generally
westward around 10 mph.
* Formation chance through 48 hours...medium...40 percent.
* Formation chance through 7 days...medium...40 percent.

2. South of Southwestern Mexico:
A disturbance located several hundred miles south-southwest of the
Gulf of Tehuantepec is producing a large area of disorganized
showers and thunderstorms.  During the next day or two, an area of
low pressure is forecast to form from this area of disturbed
weather, well off the coast of southwestern Mexico.  Thereafter,
environmental conditions appear conducive for gradual development of
this system, and a tropical depression is likely to form late this
week as it moves west-northwestward or northwestward at 10 to 15
mph.  
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 7 days...high...70 percent.



Public advisories on Tropical Storm Iona are issued under WMO header
WTPA31 PHFO and under AWIPS header HFOTCPCP1.
Forecast/Advisories on Tropical Storm Iona are issued under WMO
header WTPA21 PHFO and under AWIPS header HFOTCMCP1.

Forecaster Jelsema

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Special Tropical Weather Outlook
NWS Central Pacific Hurricane Center Honolulu HI
Issued by NWS National Hurricane Center Miami FL
1110 PM HST Sun Jul 27 2025

Special outlook issued to include a recently formed area of low
pressure southeast of the Hawaiian Islands.

For the central North Pacific...between 140W and 180W:

Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Iona, located in the central Pacific basin well southeast of
the Hawaiian Islands.

1. Western East Pacific:
An area of low pressure well east-southeast of the Hawaiian Islands
is producing disorganized showers and thunderstorms. Gradual
development of this system is possible and a tropical depression
could form during the next couple of days as it moves generally
westward around 10 mph.
* Formation chance through 48 hours...medium...40 percent.
* Formation chance through 7 days...medium...40 percent.

2. Eastern portion of the Central Pacific:
Updated:  Satellite derived winds indicate that a small area of low
pressure has formed around 1000 miles southeast of the Hawaiian
Islands.  If deep convection persists, a short lived tropical
depression or tropical storm could develop later today.
* Formation chance through 48 hours...medium...50 percent.
* Formation chance through 7 days...medium...50 percent.



Public advisories on Tropical Storm Iona are issued under WMO header
WTPA31 PHFO and under AWIPS header HFOTCPCP1.
Forecast/Advisories on Tropical Storm Iona are issued under WMO
header WTPA21 PHFO and under AWIPS header HFOTCMCP1.

Forecaster Jelsema

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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Mon Jul 28 2025

For the eastern and central North Pacific east of 180 longitude:

Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Iona, located in the central Pacific basin well southeast of
the Hawaiian Islands.

1. Eastern portion of the Central Pacific (CP91):
Shower and thunderstorm activity associated with a small low
pressure area located about 950 miles southeast of the Hawaiian
Islands is showing signs of organization and have persisted
overnight.  If current trends continue, a tropical depression or
storm is likely to develop later this morning or this afternoon.
* Formation chance through 48 hours...high...80 percent.
* Formation chance through 7 days...high...80 percent.

2. Western East Pacific (EP98):
Showers and thunderstorms associated with an area of low pressure
located about 1650 miles east-southeast of the Hawaiian Islands
have become a little better organized overnight.  Additional  
development of this system is possible, and a tropical depression
could form during the next day or two as it moves generally
westward around 10 mph.
* Formation chance through 48 hours...medium...60 percent.
* Formation chance through 7 days...medium...60 percent.

3. South of Southwestern Mexico:
A trough of low pressure located several hundred miles
south-southwest of the Gulf of Tehuantepec is producing a large
area of disorganized showers and thunderstorms.  Environmental
conditions are expected to be conducive for gradual development,
and a tropical depression is likely to form during the middle to
later part of this week as it moves west-northwestward or
northwestward at 10 to 15 mph.  
* Formation chance through 48 hours...medium...40 percent.
* Formation chance through 7 days...high...90 percent.



Forecaster Brown

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3. Central East Pacific:
An area of low pressure is forecast to develop over the central East
Pacific, several hundred miles south of the southern tip of the Baja
California peninsula, late this week. Environmental conditions
appear conducive for some gradual development of this system as it
moves westward at 10 to 15 mph.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...low...20 percent.