1 month 1 week ago
Issued at 1100 PM HST Tue Aug 05 2025 000
WTPZ33 KNHC 060853
TCPEP3
BULLETIN
Tropical Storm Henriette Advisory Number 9
NWS National Hurricane Center Miami FL EP082025
1100 PM HST Tue Aug 05 2025
...HENRIETTE MOVING WEST-NORTHWESTWARD FAR TO THE EAST OF HAWAII...
SUMMARY OF 1100 PM HST...0900 UTC...INFORMATION
-----------------------------------------------
LOCATION...17.8N 128.2W
ABOUT 1760 MI...2835 KM E OF HILO HAWAII
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...W OR 280 DEGREES AT 15 MPH...24 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 1100 PM HST (0900 UTC), the center of Tropical Storm Henriette
was located near latitude 17.8 North, longitude 128.2 West.
Henriette is moving toward the west near 15 mph (24 km/h). This
general motion is expected to continue for the next few days.
Maximum sustained winds are near 50 mph (85 km/h) with higher gusts.
Some slight weakening is forecast during the next 24 hours, followed
by little change in strength during the next couple of days.
Tropical-storm-force winds extend outward up to 80 miles (130 km)
from the center.
The estimated minimum central pressure is 1003 mb (29.62 inches).
HAZARDS AFFECTING LAND
----------------------
None.
NEXT ADVISORY
-------------
Next complete advisory at 500 AM HST.
$$
Forecaster Jelsema (CPHC)
NHC Webmaster
1 month 1 week ago
...HENRIETTE MOVING WEST-NORTHWESTWARD FAR TO THE EAST OF HAWAII... As of 11:00 PM HST Tue Aug 05 the center of Henriette was located near 17.8, -128.2 with movement W at 15 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 50 mph.
NHC Webmaster
1 month 1 week ago
Issued at 0900 UTC WED AUG 06 2025 647
WTPZ23 KNHC 060852
TCMEP3
TROPICAL STORM HENRIETTE FORECAST/ADVISORY NUMBER 9
NWS NATIONAL HURRICANE CENTER MIAMI FL EP082025
0900 UTC WED AUG 06 2025
TROPICAL STORM CENTER LOCATED NEAR 17.8N 128.2W AT 06/0900Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 13 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT....... 70NE 40SE 40SW 70NW.
4 M SEAS....120NE 45SE 60SW 90NW.
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 17.8N 128.2W AT 06/0900Z
AT 06/0600Z CENTER WAS LOCATED NEAR 17.7N 127.4W
FORECAST VALID 06/1800Z 18.1N 130.4W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 70NE 40SE 40SW 70NW.
FORECAST VALID 07/0600Z 18.4N 133.4W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 30SE 30SW 60NW.
FORECAST VALID 07/1800Z 18.7N 136.4W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 30SE 30SW 60NW.
FORECAST VALID 08/0600Z 19.2N 139.4W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 30SE 30SW 60NW.
FORECAST VALID 08/1800Z 19.9N 142.3W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 30SE 30SW 60NW.
FORECAST VALID 09/0600Z 20.9N 145.2W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 30SE 30SW 60NW.
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 10/0600Z 23.3N 149.9W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 40SE 30SW 50NW.
OUTLOOK VALID 11/0600Z 26.1N 154.1W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 25NE 0SE 0SW 20NW.
34 KT... 60NE 50SE 40SW 60NW.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.8N 128.2W
NEXT ADVISORY AT 06/1500Z
$$
FORECASTER JELSEMA (CPHC)
NHC Webmaster
1 month 1 week ago
658
ABPZ20 KNHC 060520
TWOEP
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 PM PDT Tue Aug 5 2025
For the eastern and central North Pacific east of 180 longitude:
Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Henriette, located well east of the Hawaiian Islands.
Henriette is expected to move into the Central Pacific basin
Thursday night.
South of Southern Mexico (EP91):
Showers and thunderstorms associated with an area of low pressure
located a few hundred miles south of the Gulf of Tehuantepec
continue to show signs of organization. Environmental conditions
are conducive for development of this system, and a tropical
depression is expected to form during the next day or two while the
low moves west-northwestward around 15 mph. For additional
information, including gale warnings, please see High Seas Forecasts
issued by the National Weather Service.
* Formation chance through 48 hours...high...90 percent.
* Formation chance through 7 days...high...90 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
$$
Forecaster Jelsema
NHC Webmaster
1 month 1 week ago
5-Day Uncertainty Track last updated Wed, 06 Aug 2025 02:46:22 GMT
Wind Speed Probabilities last updated Wed, 06 Aug 2025 03:27:02 GMT
NHC Webmaster
1 month 1 week ago
5-Day Uncertainty Track last updated Wed, 06 Aug 2025 02:46:22 GMT
Wind Speed Probabilities last updated Wed, 06 Aug 2025 02:46:22 GMT
NHC Webmaster
1 month 1 week ago
Issued at 500 PM HST Tue Aug 05 2025 565
WTPZ43 KNHC 060244
TCDEP3
Tropical Storm Henriette Discussion Number 8
NWS National Hurricane Center Miami FL EP082025
500 PM HST Tue Aug 05 2025
The satellite presentation of Henriette had remained rather ragged
for several hours since the previous advisory, however, a new burst
of deep convection has now developed just to the west of the
low-level center of the cyclone. The latest subjective Dvorak
current intensity estimates from TAFB and SAB were 3.0/45 kt and
2.5/35 kt respectively. Meanwhile, the objective estimates from
UW-CIMSS have ranged from 34 to 47 kt during the past several hours.
Earlier today, a 05/1815Z Metop-C ASCAT pass showed several 45 knot
wind barbs to the north of the low level center and a 05/2133Z AMRS2
pass revealed a nice inner core structure of the cyclone. Based on
these data, the initial intensity for this advisory has been held at
45 kt.
The cyclone is moving west-northwest, or 290 degrees, at 14 kt. A
slight turn toward the west is expected tonight, with this motion
then continuing for the next several days as Henriette is steered by
a strengthening subtropical ridge to the north. By 72 hours, a turn
toward the west-northwest is anticipated as an amplifying longwave
trough northwest of Hawaii erodes the western extent of the
subtropical ridge steering the cyclone. The official track forecast
closely follows a blend of the latest consensus guidance, and is
very close to the previous advisory.
Henriette will remain in a low shear environment during the next
several days, while sea surface temperatures gradually cool to near
or slightly below 24C and the mid-level moisture decreases below 50
percent. Despite the cooling water and drying mid-levels, the large
circulation of the system and the well-established inner core should
keep Henriette rather resilient in the very low shear environment
during the next several days. The intensity forecast only calls for
slight weakening during this time followed by little change in
strength. By late in the forecast period, sea surface temperatures
will begin to increase, and if the cyclone manages to survive the
trip over the cooler water as suggested by the GFS and ECMWF models,
some re-intensification is possible and the official forecast
reflects this. The intensity forecast is near the middle of the
intensity guidance envelope and most closely aligned with the IVCN
intensity aid.
FORECAST POSITIONS AND MAX WINDS
INIT 06/0300Z 17.6N 126.9W 45 KT 50 MPH
12H 06/1200Z 17.9N 129.1W 45 KT 50 MPH
24H 07/0000Z 18.3N 132.1W 45 KT 50 MPH
36H 07/1200Z 18.6N 135.1W 40 KT 45 MPH
48H 08/0000Z 19.0N 138.1W 40 KT 45 MPH
60H 08/1200Z 19.6N 141.0W 40 KT 45 MPH
72H 09/0000Z 20.5N 143.8W 40 KT 45 MPH
96H 10/0000Z 22.8N 148.9W 40 KT 45 MPH
120H 11/0000Z 25.1N 153.2W 45 KT 50 MPH
$$
Forecaster Jelsema (CPHC)
NHC Webmaster
1 month 1 week ago
Issued at 500 PM HST Tue Aug 05 2025 695
WTPZ33 KNHC 060243
TCPEP3
BULLETIN
Tropical Storm Henriette Advisory Number 8
NWS National Hurricane Center Miami FL EP082025
500 PM HST Tue Aug 05 2025
...HENRIETTE CONTINUES WEST-NORTHWESTWARD FAR TO THE EAST OF
HAWAII...
SUMMARY OF 500 PM HST...0300 UTC...INFORMATION
----------------------------------------------
LOCATION...17.6N 126.9W
ABOUT 1850 MI...2975 KM E OF HILO HAWAII
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 16 MPH...26 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 500 PM HST (0300 UTC), the center of Tropical Storm Henriette was
located near latitude 17.6 North, longitude 126.9 West. Henriette is
moving toward the west-northwest near 16 mph (26 km/h). A slight
turn toward the west at a similar forward speed is expected tonight,
with this general motion then expected to continue for the next few
days.
Maximum sustained winds are near 50 mph (85 km/h) with higher gusts.
Some slight weakening is forecast during the next couple of days.
Tropical-storm-force winds extend outward up to 80 miles (130 km)
from the center.
The estimated minimum central pressure is 1003 mb (29.62 inches).
HAZARDS AFFECTING LAND
----------------------
None.
NEXT ADVISORY
-------------
Next complete advisory at 1100 PM HST.
$$
Forecaster Jelsema (CPHC)
NHC Webmaster
1 month 1 week ago
...HENRIETTE CONTINUES WEST-NORTHWESTWARD FAR TO THE EAST OF HAWAII... As of 5:00 PM HST Tue Aug 05 the center of Henriette was located near 17.6, -126.9 with movement WNW at 16 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 50 mph.
NHC Webmaster
1 month 1 week ago
Issued at 0300 UTC WED AUG 06 2025 556
FOPZ13 KNHC 060243
PWSEP3
TROPICAL STORM HENRIETTE WIND SPEED PROBABILITIES NUMBER 8
NWS NATIONAL HURRICANE CENTER MIAMI FL EP082025
0300 UTC WED AUG 06 2025
AT 0300Z THE CENTER OF TROPICAL STORM HENRIETTE WAS LOCATED NEAR
LATITUDE 17.6 NORTH...LONGITUDE 126.9 WEST WITH MAXIMUM SUSTAINED
WINDS NEAR 45 KTS...50 MPH...85 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
00Z WED 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 00Z WED 12Z WED 00Z THU 12Z THU 00Z FRI 00Z SAT 00Z SUN
PERIODS TO TO TO TO TO TO TO
12Z WED 00Z THU 12Z THU 00Z FRI 00Z SAT 00Z SUN 00Z MON
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
20N 130W 34 3 4( 7) 1( 8) X( 8) X( 8) X( 8) X( 8)
20N 135W 34 X 2( 2) 12(14) 3(17) X(17) X(17) X(17)
20N 140W 34 X X( X) 1( 1) 7( 8) 26(34) X(34) X(34)
20N 140W 50 X X( X) X( X) 1( 1) 6( 7) X( 7) X( 7)
20N 140W 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1)
20N 145W 34 X X( X) X( X) X( X) 9( 9) 6(15) X(15)
20N 145W 50 X X( X) X( X) X( X) 1( 1) 2( 3) X( 3)
20N 150W 34 X X( X) X( X) X( X) X( X) 3( 3) X( 3)
25N 150W 34 X X( X) X( X) X( X) X( X) 6( 6) 10(16)
25N 150W 50 X X( X) X( X) X( X) X( X) X( X) 3( 3)
$$
FORECASTER JELSEMA (CPHC)
NHC Webmaster
1 month 1 week ago
Issued at 0300 UTC WED AUG 06 2025 000
WTPZ23 KNHC 060242
TCMEP3
TROPICAL STORM HENRIETTE FORECAST/ADVISORY NUMBER 8
NWS NATIONAL HURRICANE CENTER MIAMI FL EP082025
0300 UTC WED AUG 06 2025
TROPICAL STORM CENTER LOCATED NEAR 17.6N 126.9W AT 06/0300Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 14 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT....... 70NE 40SE 40SW 70NW.
4 M SEAS....150NE 60SE 75SW 120NW.
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 17.6N 126.9W AT 06/0300Z
AT 06/0000Z CENTER WAS LOCATED NEAR 17.4N 126.2W
FORECAST VALID 06/1200Z 17.9N 129.1W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 70NE 40SE 40SW 70NW.
FORECAST VALID 07/0000Z 18.3N 132.1W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 70NE 40SE 40SW 60NW.
FORECAST VALID 07/1200Z 18.6N 135.1W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 30SE 30SW 60NW.
FORECAST VALID 08/0000Z 19.0N 138.1W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 30SE 30SW 60NW.
FORECAST VALID 08/1200Z 19.6N 141.0W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 30SE 30SW 60NW.
FORECAST VALID 09/0000Z 20.5N 143.8W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 30SE 30SW 50NW.
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 10/0000Z 22.8N 148.9W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 40SE 30SW 50NW.
OUTLOOK VALID 11/0000Z 25.1N 153.2W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 50SE 40SW 50NW.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.6N 126.9W
NEXT ADVISORY AT 06/0900Z
$$
FORECASTER JELSEMA (CPHC)
NHC Webmaster
1 month 1 week ago
570
ABPZ20 KNHC 052320
TWOEP
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Tue Aug 5 2025
For the eastern and central North Pacific east of 180 longitude:
Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Henriette, located well west-southwest of the Baja California
Peninsula. Henriette is expected to move into the Central Pacific
basin Thursday night or early Friday.
South of Southern Mexico (EP91):
Showers and thunderstorms associated with an area of low pressure
located a few hundred miles south of the Gulf of Tehuantepec are
showing signs of organization. Environmental conditions are
conducive for development of this system, and a tropical depression
is likely to form during the next couple of days while it moves
west-northwestward around 15 mph.
* Formation chance through 48 hours...high...80 percent.
* Formation chance through 7 days...high...90 percent.
$$
Forecaster Jelsema
NHC Webmaster
1 month 1 week ago
5-Day Uncertainty Track last updated Tue, 05 Aug 2025 20:42:51 GMT
Wind Speed Probabilities last updated Tue, 05 Aug 2025 21:27:09 GMT
NHC Webmaster
1 month 1 week ago
5-Day Uncertainty Track last updated Tue, 05 Aug 2025 20:42:51 GMT
Wind Speed Probabilities last updated Tue, 05 Aug 2025 20:42:51 GMT
NHC Webmaster
1 month 1 week ago
Issued at 1100 AM HST Tue Aug 05 2025 000
WTPZ43 KNHC 052041
TCDEP3
Tropical Storm Henriette Discussion Number 7
NWS National Hurricane Center Miami FL EP082025
1100 AM HST Tue Aug 05 2025
This morning's satellite presentation consists of a convective
curved band on the west side of the cyclone and a cluster of strong
thunderstorms with cold cloud tops of -70 Celsius just to the west
of Henriette's surface circulation center. The initial intensity is
held at 45 kt for this advisory and is based on a blend of the
TAFB and SAB subjective and CIMSS objective intensity estimates.
Little change in strength is expected during the next couple of
days, although 5-kt fluctuations are possible, while Henriette
moves over slightly cooler water and through an increasingly
inhibiting thermodynamic environment. Toward the end of the week,
the thermodynamic environment is expected to become even more
hostile while Henriette moves over the subtropical central
Pacific waters. Therefore, some weakening of the cyclone is
forecast through day 5. The official intensity forecast is based
on the IVCN intensity consensus model and the Decay-SHIPS
statistical aid.
Henriette's initial motion is estimated to be west-northwestward,
or 295/13 kt, and a west-northwestward or westward motion should
continue through day 4 while the cyclone is steered by a strong
mid-level ridge stretching across the subtropical Central Pacific.
Over the weekend, Henriette is expected to turn gradually
northwestward in response to an amplifying mid- to
upper-tropospheric trough approaching the Hawaiian Islands from the
Central North Pacific. The NHC track forecast is based on the
various consensus aids and is basically an update of the previous
advisory.
FORECAST POSITIONS AND MAX WINDS
INIT 05/2100Z 17.0N 125.6W 45 KT 50 MPH
12H 06/0600Z 17.4N 127.7W 45 KT 50 MPH
24H 06/1800Z 17.9N 130.4W 45 KT 50 MPH
36H 07/0600Z 18.4N 133.3W 40 KT 45 MPH
48H 07/1800Z 18.8N 136.3W 40 KT 45 MPH
60H 08/0600Z 19.4N 139.4W 40 KT 45 MPH
72H 08/1800Z 20.1N 142.2W 40 KT 45 MPH
96H 09/1800Z 22.3N 147.4W 35 KT 40 MPH
120H 10/1800Z 24.5N 152.0W 35 KT 40 MPH
$$
Forecaster Roberts
NHC Webmaster
1 month 1 week ago
Issued at 2100 UTC TUE AUG 05 2025 628
FOPZ13 KNHC 052040
PWSEP3
TROPICAL STORM HENRIETTE WIND SPEED PROBABILITIES NUMBER 7
NWS NATIONAL HURRICANE CENTER MIAMI FL EP082025
2100 UTC TUE AUG 05 2025
AT 2100Z THE CENTER OF TROPICAL STORM HENRIETTE WAS LOCATED NEAR
LATITUDE 17.0 NORTH...LONGITUDE 125.6 WEST WITH MAXIMUM SUSTAINED
WINDS NEAR 45 KTS...50 MPH...85 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 TUE 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 TUE 06Z WED 18Z WED 06Z THU 18Z THU 18Z FRI 18Z SAT
PERIODS TO TO TO TO TO TO TO
06Z WED 18Z WED 06Z THU 18Z THU 18Z FRI 18Z SAT 18Z SUN
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
20N 130W 34 X 5( 5) 1( 6) X( 6) X( 6) X( 6) X( 6)
20N 135W 34 X 1( 1) 2( 3) 14(17) 1(18) X(18) X(18)
20N 135W 50 X X( X) X( X) 3( 3) X( 3) X( 3) X( 3)
20N 140W 34 X X( X) X( X) 1( 1) 32(33) 1(34) X(34)
20N 140W 50 X X( X) X( X) X( X) 7( 7) X( 7) X( 7)
20N 140W 64 X X( X) X( X) X( X) 2( 2) X( 2) X( 2)
20N 145W 34 X X( X) X( X) X( X) 3( 3) 9(12) X(12)
25N 150W 34 X X( X) X( X) X( X) X( X) 1( 1) 9(10)
$$
FORECASTER ROBERTS
NHC Webmaster
1 month 1 week ago
...HENRIETTE HEADING WEST-NORTHWESTWARD OVER THE CENTRAL EAST PACIFIC... As of 11:00 AM HST Tue Aug 05 the center of Henriette was located near 17.0, -125.6 with movement WNW at 16 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 50 mph.
NHC Webmaster
1 month 1 week ago
Issued at 1100 AM HST Tue Aug 05 2025 000
WTPZ33 KNHC 052040
TCPEP3
BULLETIN
Tropical Storm Henriette Advisory Number 7
NWS National Hurricane Center Miami FL EP082025
1100 AM HST Tue Aug 05 2025
...HENRIETTE HEADING WEST-NORTHWESTWARD OVER THE CENTRAL EAST
PACIFIC...
SUMMARY OF 1100 AM HST...2100 UTC...INFORMATION
-----------------------------------------------
LOCATION...17.0N 125.6W
ABOUT 1095 MI...1765 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 16 MPH...26 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 1100 AM HST (2100 UTC), the center of Tropical Storm Henriette
was located near latitude 17.0 North, longitude 125.6 West.
Henriette is moving toward the west-northwest near 16 mph (26 km/h),
and this general motion is expected to continue during the next few
days.
Maximum sustained winds are near 50 mph (85 km/h) with higher gusts.
Some slight weakening is expected later this week.
Tropical-storm-force winds extend outward up to 70 miles (110 km)
from the center.
The estimated minimum central pressure is 1003 mb (29.62 inches).
HAZARDS AFFECTING LAND
----------------------
None.
NEXT ADVISORY
-------------
Next complete advisory at 500 PM HST.
$$
Forecaster Roberts
NHC Webmaster
1 month 1 week ago
Issued at 2100 UTC TUE AUG 05 2025 697
WTPZ23 KNHC 052040
TCMEP3
TROPICAL STORM HENRIETTE FORECAST/ADVISORY NUMBER 7
NWS NATIONAL HURRICANE CENTER MIAMI FL EP082025
2100 UTC TUE AUG 05 2025
TROPICAL STORM CENTER LOCATED NEAR 17.0N 125.6W AT 05/2100Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 14 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT....... 60NE 50SE 50SW 60NW.
4 M SEAS....150NE 60SE 75SW 120NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
REPEAT...CENTER LOCATED NEAR 17.0N 125.6W AT 05/2100Z
AT 05/1800Z CENTER WAS LOCATED NEAR 16.8N 124.9W
FORECAST VALID 06/0600Z 17.4N 127.7W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 50SE 50SW 60NW.
FORECAST VALID 06/1800Z 17.9N 130.4W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 50SE 50SW 60NW.
FORECAST VALID 07/0600Z 18.4N 133.3W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 65NE 40SE 40SW 60NW.
FORECAST VALID 07/1800Z 18.8N 136.3W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 40SE 40SW 60NW.
FORECAST VALID 08/0600Z 19.4N 139.4W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 40SE 40SW 60NW.
FORECAST VALID 08/1800Z 20.1N 142.2W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 40SE 30SW 50NW.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM
ON DAY 4 AND 125 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
OUTLOOK VALID 09/1800Z 22.3N 147.4W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 60NE 40SE 30SW 40NW.
OUTLOOK VALID 10/1800Z 24.5N 152.0W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 60NE 40SE 30SW 40NW.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.0N 125.6W
NEXT ADVISORY AT 06/0300Z
$$
FORECASTER ROBERTS
NHC Webmaster
1 month 1 week ago
000
ABPZ20 KNHC 051725
TWOEP
Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 AM PDT Tue Aug 5 2025
For the eastern and central North Pacific east of 180 longitude:
Active Systems:
The National Hurricane Center is issuing advisories on Tropical
Storm Henriette, located well west-southwest of the Baja California
Peninsula. Henriette is expected to move into the Central Pacific
basin Thursday night or Friday morning.
South of Southern Mexico:
Showers and thunderstorms associated with an area of low pressure
located a couple hundred miles offshore of the coast of Central
America have become a little better organized. Environmental
conditions are conducive for development of this system, and a
tropical depression is likely to form during the next couple of days
while it moves west-northwestward around 15 mph.
* Formation chance through 48 hours...high...70 percent.
* Formation chance through 7 days...high...90 percent.
$$
Forecaster Roberts
NHC Webmaster
Checked
5 years 11 months ago
Active tropical cyclones in the Eastern North Pacific
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