From Mike Powell@1:2320/107 to All on Sun Sep 6 15:01:56 2026
000
ABPZ20 KNHC 061131
TWOEP
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Sun Sep 6 2026
For the eastern and central North Pacific east of 180 longitude:
Active Systems:
The National Hurricane Center is issuing advisories on Hurricane
Lowell, located about 600 miles south-southwest of the Hawaiian
Islands, on Tropical Storm Karina, located several hundred miles east-northeast of the Hawaiian Islands, and on Hurricane Marie,
located several hundred miles west of the southern tip of the
Baja California Peninsula.
Offshore of Southwestern Mexico:
A trough of low pressure located several hundred miles
south-southwest of the coast of southwestern Mexico is producing
disorganized showers and thunderstorms. Gradual development of this
system is possible, and a tropical depression could form during the
middle or latter portions of this week while the system moves
generally west-northwestward at 10 to 15 mph.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 7 days...medium...60 percent.
From Mike Powell@1:2320/107 to All on Tue Sep 8 15:01:14 2026
000
ABPZ20 KNHC 081150
TWOEP
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Tue Sep 8 2026
For the eastern and central North Pacific east of 180 longitude:
Active Systems:
The National Hurricane Center is issuing advisories on Hurricane
Lowell, located just north-northwest of Lihue, Kauai, and on
Tropical Storm Marie, located several hundred miles west of Punta
Eugenia, Mexico.
Offshore of Southwestern Mexico:
Showers and thunderstorms associated with a broad area of low
pressure located several hundred miles southwest of southwestern
Mexico are showing signs of organization. Gradual development of
this system is likely, and a tropical depression is expected to
form later this week while the system moves generally
west-northwestward at 10 to 15 mph.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 7 days...high...70 percent.
Well South of the Southern Tip of Baja California:
An area of low pressure is forecast to develop several hundred miles
south of the southern tip of Baja California this weekend or early
next week. Some slow development is possible as this system moves
generally west-northwestward.
* Formation chance through 48 hours...low...0 percent.
* Formation chance through 7 days...low...20 percent.
From Mike Powell@1:2320/107 to All on Wed Sep 9 18:50:04 2026
476
ACPN50 PHFO 091738
TWOCP
Tropical Weather Outlook
NWS Central Pacific Hurricane Center Honolulu HI
Issued by NWS National Hurricane Center Miami FL
800 AM HST Wed Sep 09 2026
For the central North Pacific...between 140W and 180W:
Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Lowell, located several hundred miles north-northwest of the
Hawaiian Islands.
Central Portion and West Portion of the East Pacific (EP96):
Showers and thunderstorms continue to show signs of organization
with an area of low pressure located several hundred miles
south-southwest of the southern tip of the Baja California
peninsula. Environmental conditions are expected to support
continued development of this system, and a tropical depression is
expected to form later today or tonight. as the system moves
generally west-northwestward at 10 to 15 mph. For more information,
including gale warnings, please see High Seas Forecast issued by
National Weather Service.
* Formation chance through 48 hours...high...90 percent.
* Formation chance through 7 days...high...90 percent.
Central Portion and West Portion of the East Pacific:
An area of low pressure is forecast to form several hundred miles
south of the southern tip of the Baja California Peninsula this
weekend or early next week. Some gradual development is possible
thereafter, and a tropical depression could form early next week
while the system moves generally west-northwestward.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...medium...40 percent.
Well South-Southeast of the Hawaiian Islands:
An area of low pressure is forecast to form several hundred miles south-southeast of the Hawaiian Islands. Some gradual development is
possible late this week into this weekend as this system moves
slowly north-northwestward.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...low...20 percent.
&&
High Seas Forecasts issued by the National Weather Service
can be found under AWIPS header NFDHSFEPI, WMO header FZPN02
KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php
From Mike Powell@1:2320/107 to All on Thu Sep 10 14:32:52 2026
310
ABPZ20 KNHC 101144
TWOEP
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Thu Sep 10 2026
For the eastern and central North Pacific east of 180 longitude:
Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Lowell, located well northwest of the Hawaiian Islands, and on
Tropical Storm Norbert, located several hundred miles southwest of
the southern tip of the Baja California Peninsula.
Well South-Southeast of the Hawaiian Islands:
Disorganized showers and thunderstorms located well to the
south-southeast of the Hawaiian Islands are associated with a broad
trough of low pressure. Some gradual development of this system is
possible late this week and into the weekend while it moves
generally northward and then meanders to the southeast of the
Hawaiian Islands.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 7 days...low...30 percent.
Central Portion and West Portion of the East Pacific:
Showers and thunderstorms associated with a broad area of low
pressure are located several hundred miles southwest of the
southwestern Mexico coast. Gradual development of this system is
expected, and a tropical depression is likely to form by early next
week while it moves generally westward over central and western
portions of the East Pacific.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 7 days...high...70 percent.
&&
Public Advisories on Tropical Storm Norbert are issued under WMO
header WTPZ34 KNHC and under AWIPS header MIATCPEP4.
Forecast/Advisories on Tropical Storm Norbert are issued under WMO
header WTPZ24 KNHC and under AWIPS header MIATCMEP4.
From Mike Powell@1:2320/107 to All on Fri Sep 11 15:55:56 2026
000
ABPZ20 KNHC 111143
TWOEP
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Fri Sep 11 2026
For the eastern and central North Pacific east of 180 longitude:
Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Norbert, located several hundred miles west-southwest of the
southern tip of the Baja California Peninsula.
Well Southeast of the Hawaiian Islands:
Disorganized showers and thunderstorms located more than 500 miles
to the southeast of the Hawaiian Islands are associated with a broad
trough of low pressure. Some gradual development of this system is
possible over the next few days while it moves generally northward
and then meanders to the southeast of the Hawaiian Islands.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 7 days...low...20 percent.
Central and Western East Pacific:
Showers and thunderstorms associated with a broad area of low
pressure are located several hundred miles southwest of the
southwestern coast of Mexico. Gradual development of this system is anticipated, and a tropical depression is likely to form late this
weekend or early next week while it moves generally
west-northwestward to westward over the central and western portions
of the East Pacific.
* Formation chance through 48 hours...low...30 percent.
* Formation chance through 7 days...high...80 percent.
From Mike Powell@1:2320/107 to All on Sat Sep 12 14:35:36 2026
000
ABPZ20 KNHC 121130
TWOEP
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 AM PDT Sat Sep 12 2026
For the eastern and central North Pacific east of 180 longitude:
Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Norbert, located well west-southwest of the southern tip of
the Baja California Peninsula.
Central and Western East Pacific (EP97):
Earlier satellite-derived winds indicate that the surface
circulation associated with an area of low pressure located
several hundred miles southwest of the southwestern coast of Mexico
remains poorly defined. Environmental conditions still appear
conducive for development, however, and a tropical depression is
expected to form during the next couple of days while it moves
generally west-northwestward to westward over the central and
western portions of the eastern Pacific basin. For more
information, including gale warnings, please see the High Seas
Forecast issued by the National Weather Service.
* Formation chance through 48 hours...high...80 percent.
* Formation chance through 7 days...high...90 percent.
Well Southeast of the Hawaiian Islands:
A broad area of low pressure located several hundred miles
southeast of Hilo, Hawaii, is producing disorganized showers and thunderstorms. Development of this system is becoming less likely
while it drifts generally west-northwestward.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 7 days...low...10 percent.
&&
High Seas Forecasts issued by the National Weather Service
can be found under AWIPS header NFDHSFEPI, WMO header FZPN02
KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php