Philippines/ Pacific Ocean: Tropical Storm BAVI / BETTY(1503) 170600Z nr 15.3N 135.4E, moving WNW at 13 knots (JMA) – Updated 170315 0820z (GMT/UTC)

Tropical Storm Bavi (1503)(03W)/ “BETTY” in Philippines

…BAVI IS
EXPECTED TO WEAKEN OVER THE NEXT 24 HOURS…AND COULD BE DOWNGRADED
TO A TROPICAL DEPRESSION BY LATE TONIGHT….NWS GUAM

(Image: wunderground.com) 5 day forecast

(Image: wunderground.com) 5 day forecast

wp201503_sat_anim BAVI 17

(Image: wunderground.com) Satellite

Japan Meteorological agency

1503-00 BAVI 17

Unit:
1KT(knot) = 1.852 km/h = 0.5144 m/s
1NM(nautical mile) = 1.852 km

15031709

TS 1503 (BAVI)
Issued at 06:45 UTC, 17 March 2015

<Analyses at 17/06 UTC>
Scale –
Intensity –
Center position N15°20′(15.3°)
E135°25′(135.4°)
Direction and speed of movement WNW 25km/h(13kt)
Central pressure 998hPa
Maximum wind speed near the center 18m/s(35kt)
Maximum wind gust speed 25m/s(50kt)
Area of 30kt winds or more NW280km(150NM)
SE170km(90NM)
<Forecast for 17/18 UTC>
Intensity –
Center position of probability circle N15°35′(15.6°)
E133°40′(133.7°)
Direction and speed of movement W 15km/h(8kt)
Central pressure 1000hPa
Maximum wind speed near the center 18m/s(35kt)
Maximum wind gust speed 25m/s(50kt)
Radius of probability circle 90km(50NM)
<Forecast for 18/06 UTC>
Intensity –
Center position of probability circle N16°05′(16.1°)
E131°55′(131.9°)
Direction and speed of movement WNW 15km/h(9kt)
Central pressure 1000hPa
Maximum wind speed near the center 18m/s(35kt)
Maximum wind gust speed 25m/s(50kt)
Radius of probability circle 130km(70NM)
<Forecast for 19/06 UTC>
Intensity –
TD
Center position of probability circle N16°30′(16.5°)
E129°05′(129.1°)
Direction and speed of movement W 15km/h(7kt)

PAGASA Track as of 8 a.m., 17 March 2015 Satellite Image 
betty 15031700 bettysat 15031700

SEVERE WEATHER BULLETIN NUMBER ONE
TROPICAL CYCLONE ALERT: TROPICAL STORM “BETTY” (BAVI)
Issued at 11:00 a.m., Tuesday, 17 March 2015

The Tropical Storm {BAVI} east of Bicol Region will enter The Philippine Area Of Responsibility (PAR) this afternoon and will be named “BETTY”.

Location of Center:
(as of 10:00 a.m.)
1,530 km East of Casiguran, Aurora
Coordinates: 15.4°N, 136.4°E
Strength: Maximum sustained winds of 65 kph near the center and gustiness of up to 80 kph.
Movement: Forecast to move West Northwest at 20 kph.
Forecast Positions/Outlook: 24 hour (Tomorrow morning):
1,030 km East Northeast of Casiguran.
48 hour (Thursday morning):
640 km East Northeast of Casiguran.
72 hour (Friday morning):
270 km East Northeast of Casiguran.
No Public Storm Warning Signal

Estimated rainfall amount is from 2.5 – 7.5 mm per hour (light – moderate) within the 500 km diameter of the Tropical Storm.

The Tropical Storm is expected to weaken into a Tropical Depression within the next 24-36 hours.

The public and the disaster risk reduction and management council concerned are advised to take appropriate actions and watch for the next bulletin to be issued at 11PM today.

 11  a.m. Weather Bulletin in pdf 

National Weather Service Forecast OfficeWFO Guam

errorTrack1 BAVI 17
000
WTPQ31 PGUM 170235
TCPPQ1

BULLETIN
TROPICAL STORM BAVI (03W) ADVISORY NUMBER 23
NATIONAL WEATHER SERVICE TIYAN GU WP032015
200 PM CHST TUE MAR 17 2015

…TROPICAL STORM BAVI WEAKENING…

WATCHES AND WARNINGS
——————–
NONE.

SUMMARY OF 100 PM CHST…0300 UTC…INFORMATION
———————————————–
LOCATION…15.3N 135.8E

ABOUT 430 MILES NORTH OF YAP
ABOUT 660 MILES WEST OF SAIPAN
ABOUT 650 MILES WEST OF TINIAN
ABOUT 630 MILES WEST OF ROTA AND
ABOUT 610 MILES WEST-NORTHWEST OF GUAM

MAXIMUM SUSTAINED WINDS…40 MPH
PRESENT MOVEMENT…WEST-NORTHWEST…290 DEGREES AT 17 MPH

DISCUSSION AND OUTLOOK
———————-
AT 100 PM CHST…0300 UTC…THE CENTER OF TROPICAL STORM BAVI WAS
LOCATED NEAR LATITUDE 15.3 NORTH AND LONGITUDE 135.8 EAST…MOVING
WEST-NORTHWEST AT 17 MPH. BAVI IS EXPECTED TO CURVE WESTWARD THROUGH
WEDNESDAY MORNING WITH LITTLE CHANGE IN FORWARD SPEED.

MAXIMUM SUSTAINED WINDS HAVE DECREASED TO 40 MPH. SATELLITE DATA
INDICATES THAT TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 120
MILES…MAINLY NORTHWEST THROUGH NORTHEAST OF THE CENTER. BAVI IS
EXPECTED TO WEAKEN OVER THE NEXT 24 HOURS…AND COULD BE DOWNGRADED
TO A TROPICAL DEPRESSION BY LATE TONIGHT.

NEXT ADVISORY
————-
THE NEXT SCHEDULED ADVISORY WILL BE ISSUED BY THE NATIONAL WEATHER
SERVICE AT 800 PM THIS EVENING.

$$

ZIOBRO

Joint Typhoon Warning Center (JTWC)

wp0315 BAVI 17

https://i1.wp.com/www.usno.navy.mil/NOOC/nmfc-ph/RSS/jtwc/satshots/03W_162332sams.jpg

WTPN31 PGTW 170300

MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL STORM 03W (BAVI) WARNING NR 023
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY

WARNING POSITION:
170000Z — NEAR 15.2N 136.3E
MOVEMENT PAST SIX HOURS – 290 DEGREES AT 15 KTS
POSITION ACCURATE TO WITHIN 035 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS – 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 15.2N 136.3E

FORECASTS:
12 HRS, VALID AT:
171200Z — 15.6N 134.2E
MAX SUSTAINED WINDS – 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 24 HR POSIT: 275 DEG/ 09 KTS

24 HRS, VALID AT:
180000Z — 15.8N 132.4E
MAX SUSTAINED WINDS – 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 36 HR POSIT: 275 DEG/ 10 KTS

36 HRS, VALID AT:
181200Z — 16.0N 130.4E
MAX SUSTAINED WINDS – 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 48 HR POSIT: 270 DEG/ 10 KTS

EXTENDED OUTLOOK:
48 HRS, VALID AT:
190000Z — 16.0N 128.3E
MAX SUSTAINED WINDS – 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
VECTOR TO 72 HR POSIT: 270 DEG/ 07 KTS

72 HRS, VALID AT:
200000Z — 15.9N 125.5E
MAX SUSTAINED WINDS – 020 KT, GUSTS 030 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER

REMARKS:
170300Z POSITION NEAR 15.3N 135.8E.
TROPICAL STORM 03W (BAVI), LOCATED APPROXIMATELY 358 NM NORTH-
NORTHWEST OF YAP, HAS TRACKED WEST-NORTHWESTWARD AT 15 KNOTS OVER
THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 170000Z IS 16 FEET. NEXT
WARNINGS AT 170900Z, 171500Z, 172100Z AND 180300Z.
//
NNNN

MARITIME/ SHIPPING

METAREA11 / TYPHOON_WARNING_JAPAN / 170600

WTJP21 RJTD 170600
WARNING 170600.
WARNING VALID 180600.
WARNING IS UPDATED EVERY 6 HOURS.
GALE WARNING.
TROPICAL STORM 1503 BAVI (1503) 998 HPA
AT 15.3N 135.4E SEA EAST OF PHILIPPINES MOVING WESTNORTHWEST 13
KNOTS.
POSITION FAIR.
MAX WINDS 35 KNOTS NEAR CENTER.
RADIUS OF OVER 30 KNOT WINDS 150 MILES NORTHWEST SEMICIRCLE AND 90
MILES ELSEWHERE.
FORECAST POSITION FOR 171800UTC AT 15.6N 133.7E WITH 50 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1000 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
FORECAST POSITION FOR 180600UTC AT 16.1N 131.9E WITH 70 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1000 HPA, MAX WINDS 35 KNOTS NEAR CENTER.
EXTENDED OUTLOOK.
FORECAST POSITION FOR 190600UTC AT 16.5N 129.1E WITH 110 MILES RADIUS
OF 70 PERCENT PROBABILITY CIRCLE.
1006 HPA.
BECOMING TROPICAL DEPRESSION.

JAPAN METEOROLOGICAL AGENCY.=

WTPH RPMM 170000
TTT GALE WARNING 01

AT 0000 17 MARCH TROPICAL STORM [BAVI] {1503} WAS ESTIMATED BASED ON ALL AVAILABLE DATA AT ONE FIVE POINT TWO NORTH ONE THREE SIX POINT FIVE EAST FORECAST TO MOVE WEST NORTHWEST AT ZERO FIVE METERS PER SECOND ROUGH TO VERY ROUGH SEAS WITHIN TWO FIVE ZERO KILOMETER RADIUS FROM THE CENTER ESTIMATED CENTRAL PRESSURE NINE NINE SEVEN HECTOPASCALS MAXIMUM WINDS ONE EIGHT METERS PER SECOND NEAR THE CENTER ONE THREE METERS PER SECOND WITHIN TWO FIVE ZERO KILOMETER RADIUS FROM THE CENTER FORECAST POSITIONS AT 180000 ONE SIX POINT EIGHT NORTH ONE THREE ONE POINT EIGHT EAST AT 190000 ONE SEVEN POINT ONE NORTH ONE TWO EIGHT POINT ONE EAST AND AT 200000 ONE SEVEN POINT ONE NORTH ONE TWO FOUR POINT FIVE EAST ALL SHIPS WITHIN STORM AREA ARE REQUESTED TO SEND THREE HOURLY WEATHER REPORT TO PHILIPPINE ATMOSPHERIC GEOPHYSICAL AND ASTRONOMICAL SERVICES ADMINISTRATION PD

PAGASA

Further warnings here: METAREA XI

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