
WPAC: CHAN-HOM - Post-Tropical
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- cycloneye
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Re: WPAC: CHAN-HOM - Severe Tropical Storm
Peak is now up to 130kts.


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Wind shear is evident indeed. Still has a long, long way to go though...
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Re: WPAC: CHAN-HOM - Severe Tropical Storm
Lowest pressure recorded in Chuuk...
1000mb 23 mph gusting to 30 mph as it passed to the north of the island about 6 hours ago...
1000mb 23 mph gusting to 30 mph as it passed to the north of the island about 6 hours ago...
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Re: WPAC: CHAN-HOM - Severe Tropical Storm
000
WTPQ31 PGUM 020904
TCPPQ1
BULLETIN
TROPICAL STORM CHAN-HOM (09W) ADVISORY NUMBER 8
NATIONAL WEATHER SERVICE TIYAN GU WP092015
800 PM CHST THU JUL 2 2015
...CHAN-HOM QUICKLY MOVING WEST-SOUTHWEST...
CHANGES WITH THIS ADVISORY
--------------------------
NONE
WATCHES AND WARNINGS
--------------------
A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM...ROTA...TINIAN AND
SAIPAN. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR MORE...
ARE POSSIBLE WITHIN 48 HOURS.
SUMMARY OF 700 PM CHST...0900 UTC...INFORMATION
-----------------------------------------------
LOCATION...10.7N 150.0E
ABOUT 255 MILES NORTH-NORTHWEST OF CHUUK
ABOUT 400 MILES EAST-SOUTHEAST OF GUAM AND ROTA
ABOUT 420 MILES SOUTHEAST OF SAIPAN AND TINIAN
MAXIMUM SUSTAINED WINDS...65 MPH
PRESENT MOVEMENT...WEST-SOUTHWEST...255 DEGREES AT 23 MPH
DISCUSSION AND OUTLOOK
----------------------
AT 700 PM CHST...0900 UTC...THE CENTER OF TROPICAL STORM CHAN-HOM IS
LOCATED NEAR LATITUDE 10.7 DEGREES NORTH AND LONGITUDE 150.0 DEGREES
EAST. CHAN-HOM IS MOVING WEST-SOUTHWEST AT 23 MPH. CHAN-HOM IS
EXPECTED TO CONTINUE WESTWARD THROUGH FRIDAY WITH A DECREASE IN
FORWARD SPEED FRIDAY MORNING. CHAN-HOM IS EXPECTED TO TURN TOWARD
THE NORTHWEST FRIDAY NIGHT ON A TRACK THAT WOULD BRING IT THROUGH
THE MARIANAS SATURDAY NIGHT.
MAXIMUM SUSTAINED WINDS REMAIN AT 65 MPH. TROPICAL STORM WINDS
EXTEND OUTWARD UP TO 85 MILES FROM THE CENTER. TROPICAL STORM
CHAN-HOM IS EXPECTED TO CONTINUE INTENSIFYING OVER THE NEXT SEVERAL
DAYS...AND IS EXPECTED TO BECOME A TYPHOON FRIDAY MORNING.
NEXT ADVISORY
-------------
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE AT 1100 PM TONIGHT FOLLOWED BY THE NEXT SCHEDULED ADVISORY
AT 200 AM FRIDAY MORNING.
$$
ZIOBRO
WTPQ31 PGUM 020904
TCPPQ1
BULLETIN
TROPICAL STORM CHAN-HOM (09W) ADVISORY NUMBER 8
NATIONAL WEATHER SERVICE TIYAN GU WP092015
800 PM CHST THU JUL 2 2015
...CHAN-HOM QUICKLY MOVING WEST-SOUTHWEST...
CHANGES WITH THIS ADVISORY
--------------------------
NONE
WATCHES AND WARNINGS
--------------------
A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM...ROTA...TINIAN AND
SAIPAN. TYPHOON CONDITIONS...INCLUDING WINDS OF 74 MPH OR MORE...
ARE POSSIBLE WITHIN 48 HOURS.
SUMMARY OF 700 PM CHST...0900 UTC...INFORMATION
-----------------------------------------------
LOCATION...10.7N 150.0E
ABOUT 255 MILES NORTH-NORTHWEST OF CHUUK
ABOUT 400 MILES EAST-SOUTHEAST OF GUAM AND ROTA
ABOUT 420 MILES SOUTHEAST OF SAIPAN AND TINIAN
MAXIMUM SUSTAINED WINDS...65 MPH
PRESENT MOVEMENT...WEST-SOUTHWEST...255 DEGREES AT 23 MPH
DISCUSSION AND OUTLOOK
----------------------
AT 700 PM CHST...0900 UTC...THE CENTER OF TROPICAL STORM CHAN-HOM IS
LOCATED NEAR LATITUDE 10.7 DEGREES NORTH AND LONGITUDE 150.0 DEGREES
EAST. CHAN-HOM IS MOVING WEST-SOUTHWEST AT 23 MPH. CHAN-HOM IS
EXPECTED TO CONTINUE WESTWARD THROUGH FRIDAY WITH A DECREASE IN
FORWARD SPEED FRIDAY MORNING. CHAN-HOM IS EXPECTED TO TURN TOWARD
THE NORTHWEST FRIDAY NIGHT ON A TRACK THAT WOULD BRING IT THROUGH
THE MARIANAS SATURDAY NIGHT.
MAXIMUM SUSTAINED WINDS REMAIN AT 65 MPH. TROPICAL STORM WINDS
EXTEND OUTWARD UP TO 85 MILES FROM THE CENTER. TROPICAL STORM
CHAN-HOM IS EXPECTED TO CONTINUE INTENSIFYING OVER THE NEXT SEVERAL
DAYS...AND IS EXPECTED TO BECOME A TYPHOON FRIDAY MORNING.
NEXT ADVISORY
-------------
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE AT 1100 PM TONIGHT FOLLOWED BY THE NEXT SCHEDULED ADVISORY
AT 200 AM FRIDAY MORNING.
$$
ZIOBRO
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Re: WPAC: CHAN-HOM - Severe Tropical Storm
Expected arrival is pushed back...around 4 am Sunday morning...
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Re: WPAC: CHAN-HOM - Severe Tropical Storm
WDPN31 PGTW 020900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/PROGNOSTIC REASONING FOR TROPICAL STORM 09W (CHAN-HOM) WARNING
NR 08//
RMKS//
1. FOR METEOROLOGISTS.
2. 6 HOUR SUMMARY AND ANALYSIS.
TROPICAL STORM (TS) 09W (CHAN-HOM), LOCATED APPROXIMATELY 374 NM
EAST-SOUTHEAST OF ANDERSEN AFB, GUAM, HAS TRACKED WEST-SOUTHWESTWARD
AT 20 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE
IMAGERY SHOWS THE SYSTEM HAS MAINTAINED A CENTRAL DENSE OVERCAST
FEATURE THAT IS OBSCURING THE LOW LEVEL CIRCULATION CENTER (LLCC).
THE INITIAL POSITION IS BASED ON A LOW REFLECTIVITY LLCC FEATURE ON
THE 020455Z F15 85GHZ MICROWAVE IMAGE WITH GOOD CONFIDENCE. THE
INITIAL INTENSITY OF 55 KNOTS IS BASED ON CONGRUENT DVORAK ESTIMATES
OF T3.5 FROM RJTD AND PGTW. UPPER LEVEL ANALYSIS INDICATES THAT THE
SYSTEM IS LOCATED IN A MARGINALLY FAVORABLE ENVIRONMENT WITH LOW TO
MODERATE (10 TO 20 KNOT) VERTICAL WIND SHEAR (VWS) AND EXCELLENT
DIFFLUENT OUTFLOW ALOFT. TS 09W IS CURRENTLY TRACKING ALONG THE
SOUTHERN PERIPHERY OF A SUB-TROPICAL RIDGE (STR) TO THE NORTH.
3. FORECAST REASONING.
A. NO CHANGE TO THE FORECAST PHILOSOPHY SINCE THE PREVIOUS
PROGNOSTIC REASONING MESSAGE.
B. TS 09W WILL MAINTAIN A GENERALLY WESTWARD TRAJECTORY THROUGH
TAU 24 UNDER THE INFLUENCE OF THE STEERING STR. AFTERWARDS, IT WILL
TURN TO THE NORTHWEST TOWARDS A BREAK IN THE STR. AS THE SYSTEM GAINS
LATITUDE, VWS WILL DECREASE AND OUTFLOW WILL IMPROVE. THIS WILL
PROMOTE STEADY INTENSIFICATION, REACHING 100 KNOTS BY TAU 72. MODEL
GUIDANCE ARE SIGNIFICANTLY SPREAD DURING THE FIRST 24-36 HOURS AS THE
SYSTEM MAKES THE TURN, RENDERING THIS PORTION OF THE FORECAST WITH
LOW CONFIDENCE.
C. TS CHAN-HOM WILL CONTINUE TO TRACK NORTHWESTWARD AND INTENSIFY
AS FAVORABLE ENVIRONMENTAL CONDITIONS PREVAIL REACHING SUPER TYPHOON
INTENSITY BY END OF FORECAST. MODEL GUIDANCE FOR THIS PORTION OF THE
FORECAST CONTINUES TO BE IN EXCELLENT AGREEMENT LENDING HIGH
CONFIDENCE TO THE EXTENDED PORTION OF THE JTWC TRACK FORECAST.//
NNNN
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/PROGNOSTIC REASONING FOR TROPICAL STORM 09W (CHAN-HOM) WARNING
NR 08//
RMKS//
1. FOR METEOROLOGISTS.
2. 6 HOUR SUMMARY AND ANALYSIS.
TROPICAL STORM (TS) 09W (CHAN-HOM), LOCATED APPROXIMATELY 374 NM
EAST-SOUTHEAST OF ANDERSEN AFB, GUAM, HAS TRACKED WEST-SOUTHWESTWARD
AT 20 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE
IMAGERY SHOWS THE SYSTEM HAS MAINTAINED A CENTRAL DENSE OVERCAST
FEATURE THAT IS OBSCURING THE LOW LEVEL CIRCULATION CENTER (LLCC).
THE INITIAL POSITION IS BASED ON A LOW REFLECTIVITY LLCC FEATURE ON
THE 020455Z F15 85GHZ MICROWAVE IMAGE WITH GOOD CONFIDENCE. THE
INITIAL INTENSITY OF 55 KNOTS IS BASED ON CONGRUENT DVORAK ESTIMATES
OF T3.5 FROM RJTD AND PGTW. UPPER LEVEL ANALYSIS INDICATES THAT THE
SYSTEM IS LOCATED IN A MARGINALLY FAVORABLE ENVIRONMENT WITH LOW TO
MODERATE (10 TO 20 KNOT) VERTICAL WIND SHEAR (VWS) AND EXCELLENT
DIFFLUENT OUTFLOW ALOFT. TS 09W IS CURRENTLY TRACKING ALONG THE
SOUTHERN PERIPHERY OF A SUB-TROPICAL RIDGE (STR) TO THE NORTH.
3. FORECAST REASONING.
A. NO CHANGE TO THE FORECAST PHILOSOPHY SINCE THE PREVIOUS
PROGNOSTIC REASONING MESSAGE.
B. TS 09W WILL MAINTAIN A GENERALLY WESTWARD TRAJECTORY THROUGH
TAU 24 UNDER THE INFLUENCE OF THE STEERING STR. AFTERWARDS, IT WILL
TURN TO THE NORTHWEST TOWARDS A BREAK IN THE STR. AS THE SYSTEM GAINS
LATITUDE, VWS WILL DECREASE AND OUTFLOW WILL IMPROVE. THIS WILL
PROMOTE STEADY INTENSIFICATION, REACHING 100 KNOTS BY TAU 72. MODEL
GUIDANCE ARE SIGNIFICANTLY SPREAD DURING THE FIRST 24-36 HOURS AS THE
SYSTEM MAKES THE TURN, RENDERING THIS PORTION OF THE FORECAST WITH
LOW CONFIDENCE.
C. TS CHAN-HOM WILL CONTINUE TO TRACK NORTHWESTWARD AND INTENSIFY
AS FAVORABLE ENVIRONMENTAL CONDITIONS PREVAIL REACHING SUPER TYPHOON
INTENSITY BY END OF FORECAST. MODEL GUIDANCE FOR THIS PORTION OF THE
FORECAST CONTINUES TO BE IN EXCELLENT AGREEMENT LENDING HIGH
CONFIDENCE TO THE EXTENDED PORTION OF THE JTWC TRACK FORECAST.//
NNNN
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Re: WPAC: CHAN-HOM - Severe Tropical Storm
Getting the first major rain showers over here...
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Re: WPAC: CHAN-HOM - Severe Tropical Storm
Eye?




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Re: WPAC: CHAN-HOM - Severe Tropical Storm

UW - CIMSS
ADVANCED DVORAK TECHNIQUE
ADT-Version 8.2.1
Tropical Cyclone Intensity Algorithm
----- Current Analysis -----
Date : 02 JUL 2015 Time : 090000 UTC
Lat : 10:41:59 N Lon : 149:59:49 E
CI# /Pressure/ Vmax
2.6 /1005.9mb/ 37.0kt
Final T# Adj T# Raw T#
2.6 2.9 3.2
Center Temp : -78.5C Cloud Region Temp : -66.4C
Scene Type : IRREGULAR CDO*
Positioning Method : FORECAST INTERPOLATION
Ocean Basin : WEST PACIFIC
Dvorak CI > MSLP Conversion Used : PACIFIC
Tno/CI Rules : Constraint Limits : 0.5T/hour
Weakening Flag : OFF
Rapid Dissipation Flag : OFF
C/K/Z MSLP Estimate Inputs :
- Average 34 knot radii : 71km
- Environmental MSLP : 1009mb
Satellite Name : MTSAT2
Satellite Viewing Angle : 13.8 degrees
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Re: WPAC: CHAN-HOM - Severe Tropical Storm
AT 4 PM THE CENTER OF TS CHAN-HOM WAS LOCATED BY
SATELLITE ABOUT 415 MILES EAST-SOUTHEAST OF GUAM NEAR 10.9N AND
150.3E...MOVING WEST AT 18 MPH. CHAN-HOM IS STILL BEING
SHEARED...WITH MOST OF THE CLOUDS AND RAIN OVER THE WESTERN HALF OF
THE CIRCULATION. THE CURRENT VISIBLE SATELLITE LOOP SHOWS CHAN-HOM
MOVING WESTWARD AT A BRISK 18 MPH...BUT MODEL GUIDANCE SHOWS A
DRASTIC SLOW-DOWN OVERNIGHT AS CHAN-HOM VIRTUALLY STALLS A COUPLE OF
HUNDRED MILES SOUTHEAST OF GUAM FRIDAY BEFORE TURNING NORTHWEST
SATURDAY AND MOVING THROUGH THE MARIANAS SATURDAY NIGHT. THE JTWC
FORECAST TRACK IS A GOOD REPRESENTATION OF THIS GENERAL
SCENARIO...BUT THERE IS MUCH UNCERTAINY REGARDING THE TIMING OF THE
ANTICIPATED TRACK CHANGE...AND JUST HOW MUCH THE DIRECTION OF MOTION
WILL CHANGE. IF CHAN-HOM IS INDEED GOING TO SLOW DOWN IT SHOULD
BECOME EVIDENT TONIGHT.
NOT ONLY THE WIND FORECAST...BUT ALSO THE RAIN FORECAST HINGES ON
CHAN-HOM'S TRACK. THE CURRENT FORECAST HOLDS OFF HEAVY RAIN UNTIL
SATURDAY...BUT THAT IS BASED ON THE STORM HAVING STALLED MOST OF
FRIDAY. IF THE ANTICIPATED STALL FAILS TO MATERIALIZE OR IF IT TAKES
PLACE LATER THAN EXPECTED...WIND AND HEAVY RAIN COULD ARRIVE SOONER
THAN FORECAST. THOSE PREPARING FOR THE STORM'S ARRIVAL SHOULD BEAR
ALL THIS IN MIND...AND PREPARE EARLY.
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- xtyphooncyclonex
- Category 5
- Posts: 3857
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- Joined: Sat Dec 08, 2012 9:07 am
- Location: Cebu City
- Contact:
JTWC now has the season's 6th typhoon
09W CHAN-HOM 150702 1200 10.1N 148.6E WPAC 65 974
09W CHAN-HOM 150702 1200 10.1N 148.6E WPAC 65 974
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- cycloneye
- Admin
- Posts: 143863
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: WPAC: CHAN-HOM - Severe Tropical Storm

WDPN31 PGTW 021500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/PROGNOSTIC REASONING FOR TYPHOON 09W (CHAN-HOM) WARNING NR 09//
RMKS//
1. FOR METEOROLOGISTS.
2. 6 HOUR SUMMARY AND ANALYSIS.
TYPHOON (TY) 09W (CHAN-HOM), LOCATED APPROXIMATELY 306 NM
SOUTHEAST OF ANDERSEN AFB, GUAM, HAS TRACKED WEST-SOUTHWESTWARD AT 20
KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED SATELLITE
IMAGERY SHOWS THE SYSTEM HAS MAINTAINED A CENTRAL DENSE OVERCAST
FEATURE THAT HAS DEEPENED AND EXPANDED BUT CONTINUES TO OBSCURE THE
LOW LEVEL CIRCULATION CENTER (LLCC). THE INITIAL POSITION IS BASED ON
A LOW REFLECTIVITY LLCC FEATURE ON THE 020856Z F18 36GHZ MICROWAVE
IMAGE WITH HIGH CONFIDENCE. THE INITIAL INTENSITY OF 65 KNOTS IS
BASED ON THE DVORAK ESTIMATE OF T4.0 FROM PGTW AND REFLECTS THE
DEEPENED CONVECTION. UPPER LEVEL ANALYSIS INDICATES THAT THE SYSTEM
IS LOCATED IN A MARGINALLY FAVORABLE ENVIRONMENT WITH LOW TO MODERATE
(10 TO 20 KNOT) VERTICAL WIND SHEAR (VWS) AND EXCELLENT DIFFLUENT
OUTFLOW ALOFT. TY 09W IS CURRENTLY TRACKING ALONG THE SOUTHERN
PERIPHERY OF A SUB-TROPICAL RIDGE (STR) TO THE NORTH.
3. FORECAST REASONING.
A. THERE IS NO CHANGE TO THE FORECAST PHILOSOPHY SINCE THE
PREVIOUS PROGNOSTIC REASONING MESSAGE.
B. TY 09W WILL MAINTAIN A GENERALLY WESTWARD TRAJECTORY THROUGH
TAU 24 UNDER THE INFLUENCE OF THE STEERING STR. AFTERWARDS, IT WILL
TURN TO THE NORTHWEST TOWARDS A BREAK IN THE STR. AS THE SYSTEM GAINS
LATITUDE, VWS WILL DECREASE AND OUTFLOW WILL IMPROVE. THIS WILL
PROMOTE STEADY INTENSIFICATION, REACHING 100 KNOTS BY TAU 72. MODEL
GUIDANCE SIGNIFICANTLY DIFFER IN LATERAL SPEED DURING THE FIRST 24-36
HOURS AS THE SYSTEM MAKES THE TURN, RENDERING THIS PORTION OF THE
FORECAST WITH LOW CONFIDENCE.
C. TY CHAN-HOM WILL CONTINUE TO TRACK NORTHWESTWARD AND INTENSIFY
AS FAVORABLE ENVIRONMENTAL CONDITIONS PREVAIL REACHING SUPER TYPHOON
INTENSITY BY END OF FORECAST. MODEL GUIDANCE FOR THIS PORTION OF THE
FORECAST CONTINUES TO BE IN EXCELLENT AGREEMENT LENDING HIGH
CONFIDENCE TO THE EXTENDED PORTION OF THE JTWC TRACK FORECAST.//
NNNN
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Re: WPAC: CHAN-HOM - Severe Tropical Storm
Seems to me threat of a direct hit to Okinawa is increasing.
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The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products.
The posts in this forum are NOT official forecast and should not be used as such. They are just the opinion of the poster and may or may not be backed by sound meteorological data. They are NOT endorsed by any professional institution or storm2k.org. For official information, please refer to the NHC and NWS products.
- xtyphooncyclonex
- Category 5
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Track bending to the west now
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- cycloneye
- Admin
- Posts: 143863
- Age: 68
- Joined: Thu Oct 10, 2002 10:54 am
- Location: San Juan, Puerto Rico
Re: WPAC: CHAN-HOM - Typhoon
JMA upgrades to Typhoon.
TY 1509 (CHAN-HOM)
Issued at 15:45 UTC, 2 July 2015
<Analyses at 02/15 UTC>
Scale -
Intensity Strong
Center position N10°05'(10.1°)
E148°35'(148.6°)
Direction and speed of movement W 20km/h(10kt)
Central pressure 975hPa
Maximum wind speed near the center 35m/s(65kt)
Maximum wind gust speed 50m/s(95kt)
Area of 50kt winds or more ALL110km(60NM)
Area of 30kt winds or more ALL330km(180NM)
<Forecast for 03/15 UTC>
Intensity Very Strong
Center position of probability circle N11°30'(11.5°)
E148°00'(148.0°)
Direction and speed of movement N 10km/h(6kt)
Central pressure 955hPa
Maximum wind speed near the center 45m/s(85kt)
Maximum wind gust speed 60m/s(120kt)
Radius of probability circle 130km(70NM)
Storm warning area ALL280km(150NM)
<Forecast for 04/12 UTC>
Intensity Very Strong
Center position of probability circle N14°05'(14.1°)
E146°20'(146.3°)
Direction and speed of movement NNW 15km/h(9kt)
Central pressure 950hPa
Maximum wind speed near the center 45m/s(85kt)
Maximum wind gust speed 60m/s(120kt)
Radius of probability circle 200km(110NM)
Storm warning area ALL350km(190NM)
<Forecast for 05/12 UTC>
Intensity Very Strong
Center position of probability circle N16°35'(16.6°)
E143°40'(143.7°)
Direction and speed of movement NW 15km/h(9kt)
Central pressure 935hPa
Maximum wind speed near the center 50m/s(95kt)
Maximum wind gust speed 70m/s(135kt)
Radius of probability circle 300km(160NM)
Storm warning area ALL480km(260NM)
<Forecast for 06/12 UTC>
Center position of probability circle N20°05'(20.1°)
E140°05'(140.1°)
Direction and speed of movement NW 20km/h(12kt)
Radius of probability circle 440km(240NM)
<Forecast for 07/12 UTC>
Center position of probability circle N23°55'(23.9°)
E135°40'(135.7°)
Direction and speed of movement NW 25km/h(14kt)
Radius of probability circle 560km(300NM)
TY 1509 (CHAN-HOM)
Issued at 15:45 UTC, 2 July 2015
<Analyses at 02/15 UTC>
Scale -
Intensity Strong
Center position N10°05'(10.1°)
E148°35'(148.6°)
Direction and speed of movement W 20km/h(10kt)
Central pressure 975hPa
Maximum wind speed near the center 35m/s(65kt)
Maximum wind gust speed 50m/s(95kt)
Area of 50kt winds or more ALL110km(60NM)
Area of 30kt winds or more ALL330km(180NM)
<Forecast for 03/15 UTC>
Intensity Very Strong
Center position of probability circle N11°30'(11.5°)
E148°00'(148.0°)
Direction and speed of movement N 10km/h(6kt)
Central pressure 955hPa
Maximum wind speed near the center 45m/s(85kt)
Maximum wind gust speed 60m/s(120kt)
Radius of probability circle 130km(70NM)
Storm warning area ALL280km(150NM)
<Forecast for 04/12 UTC>
Intensity Very Strong
Center position of probability circle N14°05'(14.1°)
E146°20'(146.3°)
Direction and speed of movement NNW 15km/h(9kt)
Central pressure 950hPa
Maximum wind speed near the center 45m/s(85kt)
Maximum wind gust speed 60m/s(120kt)
Radius of probability circle 200km(110NM)
Storm warning area ALL350km(190NM)
<Forecast for 05/12 UTC>
Intensity Very Strong
Center position of probability circle N16°35'(16.6°)
E143°40'(143.7°)
Direction and speed of movement NW 15km/h(9kt)
Central pressure 935hPa
Maximum wind speed near the center 50m/s(95kt)
Maximum wind gust speed 70m/s(135kt)
Radius of probability circle 300km(160NM)
Storm warning area ALL480km(260NM)
<Forecast for 06/12 UTC>
Center position of probability circle N20°05'(20.1°)
E140°05'(140.1°)
Direction and speed of movement NW 20km/h(12kt)
Radius of probability circle 440km(240NM)
<Forecast for 07/12 UTC>
Center position of probability circle N23°55'(23.9°)
E135°40'(135.7°)
Direction and speed of movement NW 25km/h(14kt)
Radius of probability circle 560km(300NM)
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- wxman57
- Moderator-Pro Met
- Posts: 22950
- Age: 67
- Joined: Sat Jun 21, 2003 8:06 pm
- Location: Houston, TX (southwest)
Re: WPAC: CHAN-HOM - Typhoon
I like JMA's track over JTWC's. I think JTWC's track is too far south, probably following the GFS rather than the Euro, which is about 5 degrees north of the GFS 5-day point. The ECMWF is about 10 degrees north of the GFS at day 7. Too much jumping around by the GFS lately. I'm thinking a southern Japan impact rather than China. Possibly Korea.
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- wxman57
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- Location: Houston, TX (southwest)
Re: WPAC: CHAN-HOM - Typhoon
12Z Euro coming in. It's in between the 00Z Euro and the 12Z GFS, which remains way to the south. It's only in through 156 hrs but appears to be sending the typhoon to southern South Vietnam next Friday.
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Re: WPAC: CHAN-HOM - Typhoon
000
WTPQ31 PGUM 021857
TCPPQ1
BULLETIN
TYPHOON CHAN-HOM (09W) INTERMEDIATE ADVISORY NUMBER 9A
NATIONAL WEATHER SERVICE TIYAN GU WP092015
500 AM CHST FRI JUL 3 2015
...TYPHOON CHAN-HOM SOUTHEAST OF GUAM...
CHANGES WITH THIS ADVISORY
--------------------------
NONE
WATCHES AND WARNINGS
--------------------
A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM...ROTA...TINIAN AND
SAIPAN AND ADJACENT COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING
WINDS OF 74 MPH OR MORE...ARE POSSIBLE WITHIN 48 HOURS.
SUMMARY OF 400 AM CHST...1800 UTC...INFORMATION
-----------------------------------------------
LOCATION...10.1N 148.1E
ABOUT 325 MILES SOUTHEAST OF GUAM
ABOUT 340 MILES SOUTHEAST OF ROTA AND
ABOUT 380 MILES SOUTH-SOUTHEAST OF SAIPAN AND TINIAN
MAXIMUM SUSTAINED WINDS...75 MPH
PRESENT MOVEMENT...WEST-SOUTHWEST...250 DEGREES AT 23 MPH
DISCUSSION AND OUTLOOK
----------------------
AT 400 AM CHST...1800 UTC...THE CENTER OF TYPHOON CHAN-HOM IS
LOCATED NEAR LATITUDE 10.1 DEGREES NORTH AND LONGITUDE 148.1 DEGREES
EAST. CHAN-HOM IS MOVING WEST-SOUTHWEST AT 23 MPH. CHAN-HOM IS
EXPECTED TO CONTINUE WESTWARD THROUGH THE DAY WITH A DECREASE IN
FORWARD SPEED THIS MORNING. CHAN-HOM IS EXPECTED TO TURN TOWARD THE
NORTHWEST TONIGHT ON A TRACK THAT WOULD BRING IT THROUGH THE
MARIANAS SATURDAY NIGHT.
MAXIMUM SUSTAINED WIND REMAINS NEAR 75 MPH. TROPICAL STORM WINDS
EXTEND OUTWARD UP TO 110 MILES FROM THE CENTER. TYPHOON CHAN-HOM IS
EXPECTED TO CONTINUE INTENSIFYING OVER THE NEXT SEVERAL DAYS.
NEXT ADVISORY
-------------
THE NEXT SCHEDULED ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE AT 800 AM THIS MORNING FOLLOWED BY AN INTERMEDIATE ADVISORY
AT 1100 AM.
$$
ZIOBRO
000
WTPQ81 PGUM 021651
HLSPQ1
URGENT - IMMEDIATE BROADCAST REQUESTED
TYPHOON CHAN-HOM (09W) LOCAL STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
251 AM CHST FRI JUL 3 2015
...CHAN-HOM BECOMES A TYPHOON...
.NEW INFORMATION...
NONE
.AREAS AFFECTED...
THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS
FOR PEOPLE IN THE MARIANA ISLANDS AND SURROUNDING WATERS.
.WATCHES/WARNINGS...
A TYPHOON WATCH CONTINUES FOR THE FOLLOWING LOCATIONS...GUAM...
ROTA...TINIAN...SAIPAN AND ADJACENT COASTAL WATERS.
.STORM INFORMATION...
AT 2 AM CHST...THE CENTER OF TYPHOON CHAN-HOM (09W) WAS LOCATED
NEAR LATITUDE 10.1N...LONGITUDE 148.3E. THIS WAS ABOUT 350 MILES
SOUTHEAST OF GUAM. STORM MOTION WAS WEST-SOUTHWEST. STORM
INTENSITY WAS 75 MPH.
.SITUATION OVERVIEW...
TROPICAL STORM CHAN-HOM IS EXPECTED TO CONTINUE WESTWARD THROUGH
THE DAY WITH A DECREASE IN FORWARD SPEED LATER THIS MORNING.
CHAN-HOM IS EXPECTED TO THEN TURN TOWARD THE NORTHWEST TONIGHT ON
A TRACK THAT WOULD BRING IT THROUGH THE MARIANAS SATURDAY NIGHT
AND SUNDAY. ADDITIONAL INTENSIFICATION IS EXPECTED...WITH CHAN-
HOM BECOMING A TYPHOON AS EARLY AS FRIDAY MORNING.
.PRECAUTIONARY/PREPAREDNESS ACTIONS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE TO PUT YOUR DISASTER PREPAREDNESS PLAN INTO ACTION. MAKE
SURE YOU HAVE ENOUGH FOOD AND WATER FOR A FEW DAYS...AS WELL AS
FUEL FOR VEHICLES AND GENERATORS. BEGIN PREPARING YOUR PROPERTY
FOR TYPHOON CONDITIONS..POSSIBLE AS EARLY AS SATURDAY. FOLLOW
INSTRUCTIONS FROM YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS. THE
CURRENT FORECAST BRINGS THE CENTER OF CHAN-HOM NEAR GUAM AND ROTA
EARLY SUNDAY MORNING...BUT MUCH UNCERTAINTY REMAINS IN THE TIMING
AND THE FORECAST TRACK...AND TYPHOON CONDITIONS COULD OCCUR ON
ANY OF THE ISLANDS.
FOR MARINERS...IF YOU LIVE ON A BOAT...BEGIN TO SAFELY SECURE
YOUR CRAFT AND MAKE PLANS TO LEAVE IT FOR ADEQUATE LAND BASED
SHELTER. LISTEN FOR POSSIBLE WARNINGS. SMALL CRAFT SHOULD RETURN
TO PORT.
CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS
FOR OFFICIAL STORM INFORMATION. BECAUSE SMALL ADJUSTMENTS IN
FORECAST TRACK ARE EXPECTED...LISTEN FOR UPDATED FORECAST
INFORMATION.
&&
.NEXT UPDATE...
THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE IN TIYAN AROUND 9 AM CHST...OR SOONER IF CONDITIONS
WARRANT.
GUZ001>004-PMZ151>154-030100-
/O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
GUAM-ROTA-TINIAN-SAIPAN-GUAM COASTAL WATERS-ROTA COASTAL WATERS-
TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
251 AM CHST FRI JUL 3 2015
...TYPHOON WATCH REMAINS IN EFFECT...
...WINDS AND SEAS...
TROPICAL STORM FORCE WINDS ARE POSSIBLE BY SATURDAY AFTERNOON...
AND COULD LAST UNTIL AROUND SUNDAY EVENING. TYPHOON FORCE WINDS
ARE ALSO POSSIBLE LATE SATURDAY.
...STORM SURGE AND STORM TIDE...
SEAS OF 8 TO 12 FEET FRIDAY WILL BUILD THROUGH FRIDAY NIGHT AS
CHAN-HOM NEARS AND COULD REACH UP TO 23 FEET SATURDAY NIGHT AND
SUNDAY MORNING NEAR THE CENTER.
HAZARDOUS SURF OF 10 TO 15 FEET FRIDAY WILL BUILD TO DANGEROUS
LEVELS OF 17 TO 22 FEET SATURDAY EVENING. DANGEROUS SURF WILL
CONTINUE THROUGH SUNDAY NIGHT BEFORE SUBSIDING BY MONDAY MORNING.
COASTAL INUNDATION OF 2 TO 4 FEET IS EXPECTED ALONG EAST FACING
SHORES AS CHAN-HOM APPROACHES.
...FLASH FLOODING... RAINFALL TOTALS OF 8 TO 12 INCHES ARE
POSSIBLE THROUGH MONDAY MORNING WHICH CAN CAUSE FLASH FLOODING.
$$
ZIOBRO
WTPQ31 PGUM 021857
TCPPQ1
BULLETIN
TYPHOON CHAN-HOM (09W) INTERMEDIATE ADVISORY NUMBER 9A
NATIONAL WEATHER SERVICE TIYAN GU WP092015
500 AM CHST FRI JUL 3 2015
...TYPHOON CHAN-HOM SOUTHEAST OF GUAM...
CHANGES WITH THIS ADVISORY
--------------------------
NONE
WATCHES AND WARNINGS
--------------------
A TYPHOON WATCH REMAINS IN EFFECT FOR GUAM...ROTA...TINIAN AND
SAIPAN AND ADJACENT COASTAL WATERS. TYPHOON CONDITIONS...INCLUDING
WINDS OF 74 MPH OR MORE...ARE POSSIBLE WITHIN 48 HOURS.
SUMMARY OF 400 AM CHST...1800 UTC...INFORMATION
-----------------------------------------------
LOCATION...10.1N 148.1E
ABOUT 325 MILES SOUTHEAST OF GUAM
ABOUT 340 MILES SOUTHEAST OF ROTA AND
ABOUT 380 MILES SOUTH-SOUTHEAST OF SAIPAN AND TINIAN
MAXIMUM SUSTAINED WINDS...75 MPH
PRESENT MOVEMENT...WEST-SOUTHWEST...250 DEGREES AT 23 MPH
DISCUSSION AND OUTLOOK
----------------------
AT 400 AM CHST...1800 UTC...THE CENTER OF TYPHOON CHAN-HOM IS
LOCATED NEAR LATITUDE 10.1 DEGREES NORTH AND LONGITUDE 148.1 DEGREES
EAST. CHAN-HOM IS MOVING WEST-SOUTHWEST AT 23 MPH. CHAN-HOM IS
EXPECTED TO CONTINUE WESTWARD THROUGH THE DAY WITH A DECREASE IN
FORWARD SPEED THIS MORNING. CHAN-HOM IS EXPECTED TO TURN TOWARD THE
NORTHWEST TONIGHT ON A TRACK THAT WOULD BRING IT THROUGH THE
MARIANAS SATURDAY NIGHT.
MAXIMUM SUSTAINED WIND REMAINS NEAR 75 MPH. TROPICAL STORM WINDS
EXTEND OUTWARD UP TO 110 MILES FROM THE CENTER. TYPHOON CHAN-HOM IS
EXPECTED TO CONTINUE INTENSIFYING OVER THE NEXT SEVERAL DAYS.
NEXT ADVISORY
-------------
THE NEXT SCHEDULED ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE AT 800 AM THIS MORNING FOLLOWED BY AN INTERMEDIATE ADVISORY
AT 1100 AM.
$$
ZIOBRO
000
WTPQ81 PGUM 021651
HLSPQ1
URGENT - IMMEDIATE BROADCAST REQUESTED
TYPHOON CHAN-HOM (09W) LOCAL STATEMENT
NATIONAL WEATHER SERVICE TIYAN GU
251 AM CHST FRI JUL 3 2015
...CHAN-HOM BECOMES A TYPHOON...
.NEW INFORMATION...
NONE
.AREAS AFFECTED...
THIS LOCAL STATEMENT PROVIDES INFORMATION AND RECOMMENDED ACTIONS
FOR PEOPLE IN THE MARIANA ISLANDS AND SURROUNDING WATERS.
.WATCHES/WARNINGS...
A TYPHOON WATCH CONTINUES FOR THE FOLLOWING LOCATIONS...GUAM...
ROTA...TINIAN...SAIPAN AND ADJACENT COASTAL WATERS.
.STORM INFORMATION...
AT 2 AM CHST...THE CENTER OF TYPHOON CHAN-HOM (09W) WAS LOCATED
NEAR LATITUDE 10.1N...LONGITUDE 148.3E. THIS WAS ABOUT 350 MILES
SOUTHEAST OF GUAM. STORM MOTION WAS WEST-SOUTHWEST. STORM
INTENSITY WAS 75 MPH.
.SITUATION OVERVIEW...
TROPICAL STORM CHAN-HOM IS EXPECTED TO CONTINUE WESTWARD THROUGH
THE DAY WITH A DECREASE IN FORWARD SPEED LATER THIS MORNING.
CHAN-HOM IS EXPECTED TO THEN TURN TOWARD THE NORTHWEST TONIGHT ON
A TRACK THAT WOULD BRING IT THROUGH THE MARIANAS SATURDAY NIGHT
AND SUNDAY. ADDITIONAL INTENSIFICATION IS EXPECTED...WITH CHAN-
HOM BECOMING A TYPHOON AS EARLY AS FRIDAY MORNING.
.PRECAUTIONARY/PREPAREDNESS ACTIONS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE TO PUT YOUR DISASTER PREPAREDNESS PLAN INTO ACTION. MAKE
SURE YOU HAVE ENOUGH FOOD AND WATER FOR A FEW DAYS...AS WELL AS
FUEL FOR VEHICLES AND GENERATORS. BEGIN PREPARING YOUR PROPERTY
FOR TYPHOON CONDITIONS..POSSIBLE AS EARLY AS SATURDAY. FOLLOW
INSTRUCTIONS FROM YOUR LOCAL EMERGENCY MANAGEMENT OFFICIALS. THE
CURRENT FORECAST BRINGS THE CENTER OF CHAN-HOM NEAR GUAM AND ROTA
EARLY SUNDAY MORNING...BUT MUCH UNCERTAINTY REMAINS IN THE TIMING
AND THE FORECAST TRACK...AND TYPHOON CONDITIONS COULD OCCUR ON
ANY OF THE ISLANDS.
FOR MARINERS...IF YOU LIVE ON A BOAT...BEGIN TO SAFELY SECURE
YOUR CRAFT AND MAKE PLANS TO LEAVE IT FOR ADEQUATE LAND BASED
SHELTER. LISTEN FOR POSSIBLE WARNINGS. SMALL CRAFT SHOULD RETURN
TO PORT.
CLOSELY MONITOR NOAA WEATHER RADIO OR OTHER LOCAL NEWS OUTLETS
FOR OFFICIAL STORM INFORMATION. BECAUSE SMALL ADJUSTMENTS IN
FORECAST TRACK ARE EXPECTED...LISTEN FOR UPDATED FORECAST
INFORMATION.
&&
.NEXT UPDATE...
THE NEXT LOCAL STATEMENT WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE IN TIYAN AROUND 9 AM CHST...OR SOONER IF CONDITIONS
WARRANT.
GUZ001>004-PMZ151>154-030100-
/O.CON.PGUM.TY.A.0003.000000T0000Z-000000T0000Z/
GUAM-ROTA-TINIAN-SAIPAN-GUAM COASTAL WATERS-ROTA COASTAL WATERS-
TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
251 AM CHST FRI JUL 3 2015
...TYPHOON WATCH REMAINS IN EFFECT...
...WINDS AND SEAS...
TROPICAL STORM FORCE WINDS ARE POSSIBLE BY SATURDAY AFTERNOON...
AND COULD LAST UNTIL AROUND SUNDAY EVENING. TYPHOON FORCE WINDS
ARE ALSO POSSIBLE LATE SATURDAY.
...STORM SURGE AND STORM TIDE...
SEAS OF 8 TO 12 FEET FRIDAY WILL BUILD THROUGH FRIDAY NIGHT AS
CHAN-HOM NEARS AND COULD REACH UP TO 23 FEET SATURDAY NIGHT AND
SUNDAY MORNING NEAR THE CENTER.
HAZARDOUS SURF OF 10 TO 15 FEET FRIDAY WILL BUILD TO DANGEROUS
LEVELS OF 17 TO 22 FEET SATURDAY EVENING. DANGEROUS SURF WILL
CONTINUE THROUGH SUNDAY NIGHT BEFORE SUBSIDING BY MONDAY MORNING.
COASTAL INUNDATION OF 2 TO 4 FEET IS EXPECTED ALONG EAST FACING
SHORES AS CHAN-HOM APPROACHES.
...FLASH FLOODING... RAINFALL TOTALS OF 8 TO 12 INCHES ARE
POSSIBLE THROUGH MONDAY MORNING WHICH CAN CAUSE FLASH FLOODING.
$$
ZIOBRO
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Remember, all of my post aren't official. For official warnings and discussions, Please refer to your local NWS products...
NWS for the Western Pacific
https://www.weather.gov/gum/
NWS for the Western Pacific
https://www.weather.gov/gum/
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