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 Hurricanes

Atlantic

Title Description
Atlantic Tropical Weather Outlook 000
ABNT20 KNHC 311730
TWOAT

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
200 PM EDT Sun Aug 31 2025

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

Eastern Tropical Atlantic:
A tropical wave is now moving westward from the west coast of
Africa. Environmental conditions are conducive for slow development
of this system while it moves westward to west-northwestward at
around 15 mph across the eastern and central tropical Atlantic this
week.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 7 days...low...30 percent.

$$
Forecaster Beven
There are no tropical cyclones at this time. No tropical cyclones as of Sun, 31 Aug 2025 17:32:20 GMT

Eastern Pacific

Title Description
Eastern North Pacific Tropical Weather Outlook 000
ABPZ20 KNHC 311729
TWOEP

Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 AM PDT Sun Aug 31 2025

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

Active Systems:
The National Hurricane Center is issuing advisories on recently
upgraded Tropical Storm Kiko, located in the east Pacific
basin far southwest of the southern tip of the Baja California
peninsula.

South of Southern Mexico:
A tropical wave is producing a large area of disorganized showers
and thunderstorms south of southern Mexico. An area of low pressure
is expected to form from this system within the next day or two,
and it is likely to become a tropical depression by the middle of
this week while moving west-northwestward or northwestward at 10 to
15 mph just offshore of the southwestern coast of Mexico.
* Formation chance through 48 hours...medium...50 percent.
* Formation chance through 7 days...high...80 percent.

&&

Public Advisories on Tropical Storm Kiko are issued under
WMO header WTPZ31 KNHC and under AWIPS header MIATCPEP1.
Forecast/Advisories on Tropical Storm Kiko are issued
under WMO header WTPZ21 KNHC and under AWIPS header MIATCMEP1.

$$
Forecaster Pasch
Summary for Tropical Storm Kiko (EP1/EP112025) ...DEPRESSION STRENGTHENS TO TROPICAL STORM KIKO... As of 5:00 AM HST Sun Aug 31 the center of Kiko was located near 14.4, -123.1 with movement W at 9 mph. The minimum central pressure was 1007 mb with maximum sustained winds of about 40 mph.
Tropical Storm Kiko Public Advisory Number 2 Issued at 500 AM HST Sun Aug 31 2025
000
WTPZ31 KNHC 311433
TCPEP1
 
BULLETIN
Tropical Storm Kiko Advisory Number   2
NWS National Hurricane Center Miami FL       EP112025
500 AM HST Sun Aug 31 2025
 
...DEPRESSION STRENGTHENS TO TROPICAL STORM KIKO...
 
 
SUMMARY OF 500 AM HST...1500 UTC...INFORMATION
----------------------------------------------
LOCATION...14.4N 123.1W
ABOUT 1045 MI...1680 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 500 AM HST (1500 UTC), the center of Tropical Storm Kiko was
located near latitude 14.4 North, longitude 123.1 West. Kiko is
moving toward the west near 9 mph (15 km/h) and this motion is 
expected to continue over the next few days.
 
Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
Strengthening is expected during the next couple of days, and the 
system is forecast to become a hurricane by Tuesday.
 
Tropical-storm-force winds extend outward up to 35 miles (55 km)
from the center.
 
The estimated minimum central pressure is 1007 mb (29.74 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
None.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 1100 AM HST.
 
$$
Forecaster Gibbs (CPHC)
Tropical Storm Kiko Forecast Advisory Number 2 Issued at 1500 UTC SUN AUG 31 2025
000
WTPZ21 KNHC 311431
TCMEP1
 
TROPICAL STORM KIKO FORECAST/ADVISORY NUMBER   2
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP112025
1500 UTC SUN AUG 31 2025
 
TROPICAL STORM CENTER LOCATED NEAR 14.4N 123.1W AT 31/1500Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT   8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB
MAX SUSTAINED WINDS  35 KT WITH GUSTS TO  40 KT.
34 KT....... 30NE   0SE   0SW  30NW.
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 14.4N 123.1W AT 31/1500Z
AT 31/1200Z CENTER WAS LOCATED NEAR 14.4N 122.7W
 
FORECAST VALID 01/0000Z 14.5N 124.4W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 30NE   0SE   0SW  30NW.
 
FORECAST VALID 01/1200Z 14.4N 126.1W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 30NE  10SE   0SW  20NW.
 
FORECAST VALID 02/0000Z 14.3N 127.7W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 10NE   0SE   0SW  10NW.
34 KT... 40NE  20SE  20SW  30NW.
 
FORECAST VALID 02/1200Z 14.2N 129.4W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 10NE   0SE   0SW   0NW.
50 KT... 20NE  10SE   0SW  20NW.
34 KT... 50NE  30SE  30SW  40NW.
 
FORECAST VALID 03/0000Z 14.2N 131.2W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 15NE   0SE   0SW   0NW.
50 KT... 30NE  10SE  10SW  20NW.
34 KT... 50NE  30SE  30SW  40NW.
 
FORECAST VALID 03/1200Z 14.1N 133.1W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 20NE  10SE   0SW  10NW.
50 KT... 30NE  20SE  10SW  20NW.
34 KT... 50NE  40SE  30SW  40NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM
ON DAY 4 AND 125 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
 
OUTLOOK VALID 04/1200Z 14.2N 137.0W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 30NE  20SE  20SW  20NW.
34 KT... 50NE  40SE  30SW  40NW.
 
OUTLOOK VALID 05/1200Z 14.2N 140.9W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 30NE  20SE  20SW  20NW.
34 KT... 50NE  40SE  30SW  40NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.4N 123.1W
 
NEXT ADVISORY AT 31/2100Z
 
$$
FORECASTER GIBBS (CPHC)
Tropical Storm Kiko Forecast Discussion Number 2 Issued at 500 AM HST Sun Aug 31 2025
000
WTPZ41 KNHC 311436
TCDEP1
 
Tropical Storm Kiko Discussion Number   2
NWS National Hurricane Center Miami FL       EP112025
500 AM HST Sun Aug 31 2025
 
Satellite imagery and a recent AMSR2 pass show a curved band 
wrapping around the western semicircle of the cyclone, along with a 
burst of deep convection developing over the center where cloud tops 
are near -80 C. The convective banding now wraps more than halfway 
around the circulation, which, along with Dvorak current intensity 
estimates of 2.5/35 kt from TAFB and up to 3.0/45 kt from SAB, 
supports upgrading the system to Tropical Storm Kiko with an initial 
intensity of 35 kt.

Kiko is moving westward near 8 kt, or 270/8 kt, steered by a strong 
subtropical ridge positioned to its north. This ridge is expected to 
remain in place throughout the 5-day forecast period, maintaining a 
general westward motion across the eastern Pacific and into the 
central Pacific basin by late this week. The official track forecast 
is nearly identical to the previous forecast and remains close to 
the consensus aids.

Environmental conditions of warm sea surface temperatures, moist 
mid-level air, and low vertical wind shear favor steady 
strengthening during the next couple of days. Kiko is forecast to 
reach hurricane intensity by around 48 hours (Tuesday). Thereafter, 
the cyclone’s track near the 26 C isotherm, along with the potential 
entrainment of mid-level dry air, could limit any additional 
significant intensification. Also, any deviation of the track 
slightly to the right of the forecast path could place the system 
over cooler waters and further inhibit strengthening. The intensity 
forecast is near the middle to higher end of the guidance envelope 
through midweek, then trends closer to the consensus thereafter.
 
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  31/1500Z 14.4N 123.1W   35 KT  40 MPH
 12H  01/0000Z 14.5N 124.4W   40 KT  45 MPH
 24H  01/1200Z 14.4N 126.1W   45 KT  50 MPH
 36H  02/0000Z 14.3N 127.7W   55 KT  65 MPH
 48H  02/1200Z 14.2N 129.4W   65 KT  75 MPH
 60H  03/0000Z 14.2N 131.2W   70 KT  80 MPH
 72H  03/1200Z 14.1N 133.1W   75 KT  85 MPH
 96H  04/1200Z 14.2N 137.0W   75 KT  85 MPH
120H  05/1200Z 14.2N 140.9W   75 KT  85 MPH
 
$$
Forecaster Gibbs (CPHC)
Tropical Storm Kiko Wind Speed Probabilities Number 2 Issued at 1500 UTC SUN AUG 31 2025
000
FOPZ11 KNHC 311434
PWSEP1
                                                                    
TROPICAL STORM KIKO WIND SPEED PROBABILITIES NUMBER   2             
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP112025               
1500 UTC SUN AUG 31 2025                                            
                                                                    
AT 1500Z THE CENTER OF TROPICAL STORM KIKO WAS LOCATED NEAR LATITUDE
14.4 NORTH...LONGITUDE 123.1 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           
        12Z SUN 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       12Z SUN 00Z MON 12Z MON 00Z TUE 12Z TUE 12Z WED 12Z THU
PERIODS         TO      TO      TO      TO      TO      TO      TO  
             00Z MON 12Z MON 00Z TUE 12Z TUE 12Z WED 12Z THU 12Z FRI
                                                                    
FORECAST HOUR    (12)   (24)    (36)    (48)    (72)    (96)   (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
LOCATION       KT                                                   
                                                                    
15N 125W       34 10  31(41)   1(42)   1(43)   1(44)   X(44)   X(44)
15N 125W       50  1   5( 6)   X( 6)   X( 6)   X( 6)   X( 6)   X( 6)
 
10N 130W       34  X   X( X)   X( X)   2( 2)   3( 5)   X( 5)   X( 5)
 
15N 130W       34  X   X( X)   5( 5)  49(54)  22(76)   X(76)   X(76)
15N 130W       50  X   X( X)   X( X)  19(19)  18(37)   1(38)   X(38)
15N 130W       64  X   X( X)   X( X)   5( 5)   8(13)   X(13)   X(13)
 
10N 135W       34  X   X( X)   X( X)   X( X)   2( 2)   5( 7)   X( 7)
 
15N 135W       34  X   X( X)   X( X)   1( 1)  31(32)  41(73)   1(74)
15N 135W       50  X   X( X)   X( X)   X( X)   7( 7)  29(36)   1(37)
15N 135W       64  X   X( X)   X( X)   X( X)   1( 1)  14(15)   1(16)
 
20N 135W       34  X   X( X)   X( X)   X( X)   1( 1)   1( 2)   1( 3)
 
10N 140W       34  X   X( X)   X( X)   X( X)   X( X)   2( 2)   4( 6)
 
15N 140W       34  X   X( X)   X( X)   X( X)   X( X)  18(18)  43(61)
15N 140W       50  X   X( X)   X( X)   X( X)   X( X)   4( 4)  24(28)
15N 140W       64  X   X( X)   X( X)   X( X)   X( X)   2( 2)  10(12)
 
20N 140W       34  X   X( X)   X( X)   X( X)   X( X)   1( 1)   2( 3)
 
15N 145W       34  X   X( X)   X( X)   X( X)   X( X)   X( X)  11(11)
15N 145W       50  X   X( X)   X( X)   X( X)   X( X)   X( X)   3( 3)
 
$$                                                                  
FORECASTER GIBBS (CPHC)
Tropical Storm Kiko Graphics Tropical Storm Kiko 5-Day Uncertainty Track Image
5-Day Uncertainty Track last updated Sun, 31 Aug 2025 14:38:03 GMT

Tropical Storm Kiko 34-Knot Wind Speed Probabilities
Wind Speed Probabilities last updated Sun, 31 Aug 2025 15:21:52 GMT

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