Hurricanes Atlantic Pacific

Pacific Tropical Weather


Northeast Pacific

Pacific

Pacific Enhanced

Water Vapor

Pacific Temps

Pacific Map


Eastern North Pacific Tropical Weather Outlook

857 
ABPZ20 KNHC 032327
TWOEP

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Thu Jul 3 2025

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

Active Systems:
The National Hurricane Center has issued the last advisory on
Post-Tropical Cyclone Flossie, located a couple of hundred miles
west-southwest of the southern tip of the Baja California
peninsula.

South of Southern Mexico:
A large area of disorganized showers and thunderstorms, partly
associated with a tropical wave, is centered a few hundred miles
south of southern Mexico. Gradual development of this system is
expected during the next few days, and a tropical depression is
likely to form later this weekend or early next week while it moves
generally west-northwestward well off the coast of Mexico.
* Formation chance through 48 hours...medium...40 percent.
* Formation chance through 7 days...high...80 percent.

$$
Forecaster Gibbs/Blake

Summary for Post-Tropical Cyclone Flossie (EP1/EP062025)

...FLOSSIE NOW A POST-TROPICAL CYCLONE... ...THIS IS THE LAST NHC ADVISORY... As of 2:00 PM MST Thu Jul 03 the center of Flossie was located near 21.2, -112.4 with movement NW at 10 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 40 mph.

Post-Tropical Cyclone Flossie Public Advisory Number 19

Issued at 200 PM MST Thu Jul 03 2025 
000
WTPZ31 KNHC 032029
TCPEP1
 
BULLETIN
Post-Tropical Cyclone Flossie Advisory Number  19
NWS National Hurricane Center Miami FL       EP062025
200 PM MST Thu Jul 03 2025
 
...FLOSSIE NOW A POST-TROPICAL CYCLONE...
...THIS IS THE LAST NHC ADVISORY...
 
 
SUMMARY OF 200 PM MST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...21.2N 112.4W
ABOUT 200 MI...320 KM SW OF CABO SAN LUCAS MEXICO
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...NW OR 305 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 200 PM MST (2100 UTC), the center of Post-Tropical Cyclone 
Flossie was located near latitude 21.2 North, longitude 112.4 West. 
The post-tropical cyclone is moving toward the northwest near 10 
mph (17 km/h). A general west-northwestward to northwestward 
motion is expected during the next couple of days.
 
Maximum sustained winds have decreased to near 40 mph (65 km/h)
with higher gusts. Continued steady weakening is expected, and the 
post-tropical low is forecast to dissipate this weekend.
 
Tropical-storm-force winds extend outward up to 45 miles (75 km)
from the center.
 
The estimated minimum central pressure is 1003 mb (29.62 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
SURF: Swells generated by Flossie will continue to affect portions
of the coast of southwestern Mexico and the Baja California
peninsula for another day or so. These swells are likely to cause
life-threatening surf and rip current conditions. Please consult
products from your local weather office.
 
 
NEXT ADVISORY
-------------
This is the last public advisory issued by the National Hurricane 
Center on this system.  For additional information on the 
post-tropical low please see High Seas Forecasts issued by the 
National Weather Service, under AWIPS header NFDHSFEPI, WMO header 
FZPN02 KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php

$$
Forecaster Cangialosi

Post-Tropical Cyclone Flossie Forecast Advisory Number 19

Issued at 2100 UTC THU JUL 03 2025 
000
WTPZ21 KNHC 032029
TCMEP1
 
POST-TROPICAL CYCLONE FLOSSIE FORECAST/ADVISORY NUMBER  19
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP062025
2100 UTC THU JUL 03 2025
 
POST-TROPICAL CYCLONE CENTER LOCATED NEAR 21.2N 112.4W AT 03/2100Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT   9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  35 KT WITH GUSTS TO  45 KT.
34 KT.......  0NE   0SE   0SW  40NW.
4 M SEAS.... 60NE  30SE   0SW  60NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 21.2N 112.4W AT 03/2100Z
AT 03/1800Z CENTER WAS LOCATED NEAR 20.9N 112.0W
 
FORECAST VALID 04/0600Z 22.1N 113.5W...POST-TROP/REMNT LOW
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 04/1800Z 23.2N 115.1W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 05/0600Z 24.1N 116.6W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
FORECAST VALID 05/1800Z 24.7N 118.1W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
FORECAST VALID 06/0600Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.2N 112.4W
 
THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE 
CENTER ON FLOSSIE. FOR ADDITIONAL INFORMATION ON THE REMNANT LOW 
PLEASE SEE HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER 
SERVICE...UNDER AWIPS HEADER NFDHSFEPI AND WMO HEADER FZPN02 KWBC.

$$
FORECASTER CANGIALOSI

Post-Tropical Cyclone Flossie Forecast Discussion Number 19

Issued at 200 PM MST Thu Jul 03 2025 
000
WTPZ41 KNHC 032030
TCDEP1
 
Post-Tropical Cyclone Flossie Discussion Number  19
NWS National Hurricane Center Miami FL       EP062025
200 PM MST Thu Jul 03 2025
 
Flossie has lacked organized deep convection for more than 12 hours
and no longer meets the criteria of a tropical cyclone.  Therefore,
the system is now considered a post-tropical low, and this is the
last NHC advisory.  A 1705 UTC ASCAT-B pass indicated that the
maximum winds have decreased to around 35 kt.
 
The post-tropical cyclone is moving northwestward at 9 kt.  This
general motion, within the low-level flow, is expected to continue 
for the next couple of days.  A combination of cool waters and dry 
air should lead to the dissipation of the post-tropical low this 
weekend.
 
For additional information on the post-tropical low please see High
Seas Forecasts issued by the National Weather Service, under AWIPS
header NFDHSFEPI, WMO header FZPN02 KWBC, and on the web at
ocean.weather.gov/shtml/NFDHSFEPI.php
 
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  03/2100Z 21.2N 112.4W   35 KT  40 MPH...POST-TROPICAL
 12H  04/0600Z 22.1N 113.5W   30 KT  35 MPH...POST-TROP/REMNT LOW
 24H  04/1800Z 23.2N 115.1W   25 KT  30 MPH...POST-TROP/REMNT LOW
 36H  05/0600Z 24.1N 116.6W   20 KT  25 MPH...POST-TROP/REMNT LOW
 48H  05/1800Z 24.7N 118.1W   20 KT  25 MPH...POST-TROP/REMNT LOW
 60H  06/0600Z...DISSIPATED
 
$$
Forecaster Cangialosi

Post-Tropical Cyclone Flossie Wind Speed Probabilities Number 19

Issued at 2100 UTC THU JUL 03 2025 
000
FOPZ11 KNHC 032029
PWSEP1
                                                                    
POST-TROPICAL CYCLONE FLOSSIE WIND SPEED PROBABILITIES NUMBER  19   
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP062025               
2100 UTC THU JUL 03 2025                                            
                                                                    
AT 2100Z THE CENTER OF POST-TROPICAL CYCLONE FLOSSIE WAS LOCATED    
NEAR LATITUDE 21.2 NORTH...LONGITUDE 112.4 WEST WITH MAXIMUM        
SUSTAINED WINDS NEAR 35 KTS...40 MPH...65 KM/H.                     
                                                                    
Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH)                  
   PACIFIC  DAYLIGHT TIME (PDT)...SUBTRACT 7 HOURS FROM Z TIME      
   HAWAIIAN STANDARD TIME (HST)...SUBTRACT 10 HOURS FROM Z TIME     
                                                                    
WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS                 
                                                                    
CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST     
   ...34 KT (39 MPH... 63 KM/H)...                                  
   ...50 KT (58 MPH... 93 KM/H)...                                  
   ...64 KT (74 MPH...119 KM/H)...                                  
FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS               
                                                                    
PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE               
    OP  IS THE PROBABILITY OF THE EVENT BEGINNING DURING            
        AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY)               
   (CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN           
        18Z THU AND THE FORECAST HOUR (CUMULATIVE PROBABILITY)      
                                                                    
PROBABILITIES ARE GIVEN IN PERCENT                                  
X INDICATES PROBABILITIES LESS THAN 1 PERCENT                       
PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN
THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT.             
PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY              
64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT.                 
                                                                    
                                                                    
  - - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - -   
                                                                    
               FROM    FROM    FROM    FROM    FROM    FROM    FROM 
  TIME       18Z THU 06Z FRI 18Z FRI 06Z SAT 18Z SAT 18Z SUN 18Z MON
PERIODS         TO      TO      TO      TO      TO      TO      TO  
             06Z FRI 18Z FRI 06Z SAT 18Z SAT 18Z SUN 18Z MON 18Z TUE
                                                                    
FORECAST HOUR    (12)   (24)    (36)    (48)    (72)    (96)   (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
LOCATION       KT                                                   
                                                                    
$$                                                                  
FORECASTER CANGIALOSI

Post-Tropical Cyclone Flossie Graphics


Post-Tropical Cyclone Flossie 5-Day Uncertainty Track Image

5-Day Uncertainty Track last updated Thu, 03 Jul 2025 20:31:07 GMT

Post-Tropical Cyclone Flossie 34-Knot Wind Speed Probabilities
Wind Speed Probabilities last updated Thu, 03 Jul 2025 21:21:35 GMT