Overall Green Tropical Cyclone for KROVANH-26 in Japan from 01 Sep 2026 06:00 UTC to 18:00

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Overall Green Tropical Cyclone for KROVANH-26

in Japan

Global Telecommunication Service

GTS (Global Telecommunication Service) is the official Warning and Alerting channel by the World Meteorological Organization (WMO) adopted by several Warning Organizations. As soon as a new GTS message regarding Tropical Cyclones(WT) or Tsunami(WE) the messages are processed and possibly assigned to the specific event. When a new GTS message is present an new tab in the specific event report page is present.The presence of a GTS message is shown in the homepage with a dedicated icon.

Click on the messages list to visualize on the right the detailed text.

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

01/09 21:28 WTPQ31PGUM012127

01/09 18:41 WTJP22RJTD011800

01/09 15:35 WTPQ31PGUM011534

01/09 12:42 WTJP22RJTD011200

01/09 09:07 WTPQ31PGUM010906

01/09 06:41 WTJP22RJTD010600

01/09 01:16 WTJP22RJTD010000

Original Message :

WTPQ31 PGUM 012127
TCPPQ1

BULLETIN
Tropical Storm Krovanh (22W) Advisory Number 3
National Weather Service Tiyan GU WP222026
727 AM ChST Wed Sep 2 2026

...TROPICAL STORM KROVANH MOVING EAST...

CHANGES WITH THIS ADVISORY
--------------------------
None.

WATCHES AND WARNINGS
--------------------
None.

SUMMARY OF 700 AM CHST...2100 UTC...INFORMATION
-----------------------------------------------
Location...22.2N 133.3E

About 450 miles southeast of Okinawa
About 835 miles west-northwest of Agrihan
About 945 miles west-northwest of Saipan
About 965 miles northwest of Guam

Maximum sustained winds...40 mph
Present movement...east...90 degrees at 7 mph

DISCUSSION AND OUTLOOK
----------------------
At 700 AM CHST...2100 UTC...the center of Tropical Storm Krovanh was
located near Latitude 22.2 degrees North and Longitude 133.3 degrees
East. Krovanh is moving east at 7 mph. It is expected to turn toward
the northwest with a slight increase in forward speed through
Thursday. This general forecast track will keep Krovanh over open
ocean for at least the next few days.

Maximum sustained winds remain at 40 mph. Krovanh is forecast to
maintain this intensity through tonight.

Tropical storm force winds extend outward from the center up to
175 miles to the southwest and up to 140 miles elsewhere.

NEXT ADVISORY
-------------
The next scheduled advisory will be issued by the National
Weather Service at 200 PM ChST.

$$

Stanko

Original Message :

WTJP22 RJTD 011800
WARNING 011800.
WARNING VALID 021800.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2624 KROVANH (2624) 996 HPA
AT 22.5N 131.8E SEA SOUTH OF JAPAN ALMOST STATIONARY.
POSITION FAIR.
MAX WINDS 35 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 300 MILES SOUTH SEMICIRCLE AND 180 MILES
ELSEWHERE.
FORECAST POSITION FOR 021800UTC AT 25.5N 130.7E WITH 57 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 031800UTC AT 28.4N 128.3E WITH 100 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 041800UTC AT 28.6N 128.5E WITH 160 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
996 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 051800UTC AT 27.9N 130.7E WITH 200 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
996 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 061800UTC AT 26.5N 131.6E WITH 250 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
996 HPA, MAX WINDS 35 KNOTS NEAR CENTER.

JAPAN METEOROLOGICAL AGENCY.=

Original Message :

WTPQ31 PGUM 011534
TCPPQ1

BULLETIN
Tropical Storm Krovanh (22W) Advisory Number 2
National Weather Service Tiyan GU WP222026
134 AM ChST Wed Sep 2 2026

...TROPICAL STORM KROVANH MOVING TO THE EAST-SOUTHEAST...

CHANGES WITH THIS ADVISORY
--------------------------
None.

WATCHES AND WARNINGS
--------------------
None.

SUMMARY OF 100 AM CHST...1500 UTC...INFORMATION
-----------------------------------------------
Location...22.1N 132.8E

About 430 miles southeast of Okinawa
About 940 miles north-northwest of Yap
About 970 miles west-northwest of Saipan
About 985 miles northwest of Guam

Maximum sustained winds...40 mph
Present movement...east-southeast...120 degrees at 9 mph

DISCUSSION AND OUTLOOK
----------------------
At 100 AM CHST...1500 UTC...the center of Tropical Storm Krovanh
was located near Latitude 22.1 degrees North and Longitude
132.8 degrees East. Krovanh is moving east-southeast at 9 mph. It
is expected to make a turn toward the north-northwest with a
slight decrease in forward speed through Thursday.

Maximum sustained winds remain at 40 mph. Krovanh is forecast to
maintain this intensity through Thursday.

Tropical storm force winds extend outward from the center up to
175 miles to the southwest and up to 140 miles elsewhere.

NEXT ADVISORY
-------------
The next scheduled advisory will be issued by the National
Weather Service at 800 AM ChST.

$$

JAW

Original Message :

WTJP22 RJTD 011200
WARNING 011200.
WARNING VALID 021200.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2624 KROVANH (2624) 996 HPA
AT 22.4N 131.7E SEA SOUTH OF JAPAN ALMOST STATIONARY.
POSITION FAIR.
MAX WINDS 35 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 300 MILES SOUTH SEMICIRCLE AND 180 MILES
ELSEWHERE.
FORECAST POSITION FOR 021200UTC AT 24.2N 131.7E WITH 50 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 031200UTC AT 27.5N 129.2E WITH 85 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 041200UTC AT 29.7N 129.8E WITH 140 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
996 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 051200UTC AT 29.5N 131.2E WITH 200 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
996 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 061200UTC AT 28.4N 131.3E WITH 250 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
996 HPA, MAX WINDS 35 KNOTS NEAR CENTER.

JAPAN METEOROLOGICAL AGENCY.=

Original Message :

WTPQ31 PGUM 010906
TCPPQ1

BULLETIN
Tropical Storm Krovanh (22W) Advisory Number 1
National Weather Service Tiyan GU WP222026
706 PM ChST Tue Sep 1 2026

...TROPICAL STORM KROVANH NEWLY FORMED SOUTHEAST OF OKINAWA...

CHANGES WITH THIS ADVISORY
--------------------------
None.

WATCHES AND WARNINGS
--------------------
None.

SUMMARY OF 700 PM CHST...0900 UTC...INFORMATION
-----------------------------------------------
Location...22.5N 131.6E

About 355 miles southeast of Okinawa
About 995 miles north-northwest of Yap
About 1055 miles west-northwest of Saipan
About 1065 miles northwest of Guam

Maximum sustained winds...40 mph
Present movement...north...360 degrees at 1 mph

DISCUSSION AND OUTLOOK
----------------------
At 700 PM CHST...0900 UTC...the center of Tropical Storm Krovanh was
located near Latitude 22.5 degrees North and Longitude 131.6 degrees
East. Krovanh is moving north at 1 mph. It is expected to make a slight
turn toward the north-northwest with an increase in forward speed
through Wednesday as it pivots toward the Ryukyu Islands.

Maximum sustained winds are 40 mph. Krovanh is forecast to intensify
through Wednesday, remaining a tropical storm.

Tropical storm force winds extend outward from the center up to 115
miles to the south.

NEXT ADVISORY
-------------
The next scheduled advisory will be issued by the National Weather
Service at 200 AM ChST early Wednesday morning.

$$

Montvila

Original Message :

WTJP22 RJTD 010600
WARNING 010600.
WARNING VALID 020600.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2624 KROVANH (2624) 996 HPA
AT 22.3N 131.4E SEA SOUTH OF JAPAN ALMOST STATIONARY.
POSITION FAIR.
MAX WINDS 35 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 300 MILES SOUTH SEMICIRCLE AND 180 MILES
ELSEWHERE.
FORECAST POSITION FOR 020600UTC AT 24.1N 131.9E WITH 42 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 030600UTC AT 27.3N 129.8E WITH 70 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 040600UTC AT 29.9N 129.8E WITH 100 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 050600UTC AT 29.4N 130.9E WITH 150 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 060600UTC AT 28.8N 131.6E WITH 215 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.

JAPAN METEOROLOGICAL AGENCY.=

Original Message :

WTJP22 RJTD 010000
WARNING 010000.
WARNING VALID 020000.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 2624 KROVANH (2624) UPGRADED FROM TROPICAL DEPRESSION
996 HPA
AT 22.6N 131.9E SEA SOUTH OF JAPAN ALMOST STATIONARY.
POSITION FAIR.
MAX WINDS 35 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 300 MILES SOUTH SEMICIRCLE AND 210 MILES
ELSEWHERE.
FORECAST POSITION FOR 020000UTC AT 23.3N 132.5E WITH 42 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 030000UTC AT 26.6N 130.0E WITH 70 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 040000UTC AT 29.5N 129.3E WITH 100 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 050000UTC AT 29.9N 131.1E WITH 150 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 060000UTC AT 29.4N 131.4E WITH 215 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
994 HPA, MAX WINDS 35 KNOTS NEAR CENTER.

JAPAN METEOROLOGICAL AGENCY.=

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