WPAC: Tropical Depression 16W

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WPAC: Tropical Depression 16W

#1 Postby euro6208 » Sun Jul 29, 2018 7:00 am

90W INVEST 180729 1200 27.4N 151.4E WPAC 15 1006
Last edited by euro6208 on Mon Jul 30, 2018 4:59 pm, edited 1 time in total.
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Re: WPAC: INVEST 90W

#2 Postby euro6208 » Sun Jul 29, 2018 7:00 am

AN AREA OF CONVECTION (INVEST 90W) HAS PERSISTED NEAR
27.5N 148.9E, APPROXIMATELY 437 NM EAST-NORTHEAST OF IWO TO, JAPAN.
ANIMATED MULTISPECTRAL IMAGERY AND A 282332Z MHS METOP-B 89GHZ
PARTIAL IMAGE DEPICT A POORLY-ORGANIZED LOW LEVEL CIRCULATION (LLC)
WITH FLARING DEEP CONVECTION. UPPER LEVEL ANALYSIS INDICATES A
MARGINALLY FAVORABLE ENVIRONMENT WITH LOW (10-15 KNOT) VERTICAL WIND
SHEAR AND FAIR OUTFLOW ALOFT. A RECENT ASCAT PASS REVEALS SEVERAL 15-
20 KNOT WIND BARBS LOCATED ALONG THE SOUTHEAST PORTION OF THE LLC.
WARM SEA SURFACE TEMPERATURES (28-30 CELSIUS) IN THE SURROUNDING
AREA WILL BE SUPPORTIVE OF FUTURE DEVELOPMENT. GLOBAL MODELS SHOW
90W WILL INTENSIFY SLOWLY OVER THE NEXT 36-48 HOURS, BUT VARY ON
TIMING AND INTENSITY. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED
AT 10 TO 15 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE
NEAR 1006 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT
TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS LOW.
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Re: WPAC: INVEST 90W

#3 Postby euro6208 » Sun Jul 29, 2018 7:01 am

Image
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Re: WPAC: INVEST 90W

#4 Postby euro6208 » Sun Jul 29, 2018 4:40 pm

Image

WTPN21 PGTW 292100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN
155 NM EITHER SIDE OF A LINE FROM 26.2N 152.9E TO 32.9N 153.0E
WITHIN THE NEXT 12 TO 24 HOURS. AVAILABLE DATA DOES NOT JUSTIFY
ISSUANCE OF NUMBERED TROPICAL CYCLONE WARNINGS AT THIS TIME. WINDS
IN THE AREA ARE ESTIMATED TO BE 15 TO 20 KNOTS. METSAT IMAGERY AT
291900Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 27.2N
153.0E. THE SYSTEM IS MOVING EAST-NORTHEASTWARD AT 07 KNOTS.
2. REMARKS:
AN AREA OF CONVECTION (INVEST 90W) PREVIOUSLY LOCATED NEAR 27.5N
148.9E, IS NOW LOCATED NEAR 27.2N 153.0E, APPROXIMATELY 850 NM EAST-
SOUTHEAST OF TOKYO, JAPAN. ANIMATED ENHANCED INFRARED IMAGERY
REVEALS THERE IS WEAK CONVECTION ON THE EASTERN PERIPHERY WHICH IS
BEGINNING TO WRAP INTO AN ILL-DEFINED LOW LEVEL CIRCULATION CENTER
(LLCC). THERE IS HIGH UNCERTAINTY WITH THE SYSTEM'S INITIAL
POSITION DUE TO A POORLY DEFINED LLCC AND LACK OF VISIBLE IMAGERY. A
281741Z 91GHZ SSMIS MICROWAVE IMAGE SUPPORTS SATELLITE IMAGERY WITH
DEPICTING THE WEAK CONVECTION ON THE EASTERN SIDE AND A DISORGANIZED
LLCC. UPPER LEVEL ANALYSIS INDICATES A MARGINALLY FAVORABLE
ENVIRONMENT WITH MODERATE (10-20 KTS) VERTICAL WIND SHEAR, GOOD
POLEWARD OUTFLOW, AND WARM SEA SURFACE TEMPERATURES (28-30 CELSIUS).
GLOBAL MODELS ALL DISPLAY DEVELOPMENT OF THE SYSTEM BUT DIFFER ON
TIMING. NAVGEM AND GFS ARE THE MORE AGGRESSIVE MODELS WITH
DEVELOPMENT OCCURRING WITHIN THE NEXT 24 HOURS WITH JGSM, ECMWF, AND
UKMET SHOWING DEVELOPMENT BEYOND 24 HOURS. MAXIMUM SUSTAINED SURFACE
WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS
ESTIMATED TO BE NEAR 1007 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A
SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY
302100Z.//

NNNN
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Re: WPAC: INVEST 90W

#5 Postby euro6208 » Sun Jul 29, 2018 10:00 pm

TPPN10 PGTW 300027

A. TROPICAL DISTURBANCE 90W (NE OF IWO TO)

B. 30/0000Z

C. 26.69N

D. 152.57E

E. FIVE/HMWRI8

F. ST1.5/1.5

G. IR/EIR/VIS/MSI

H. REMARKS: 63A/PBO PRLY ORGNZD LLCC/ANMTN. SUBTROPICAL METHOD
YIELDS 1.5 (25-30 KTS).

I. ADDITIONAL POSITIONS:
29/1931Z 26.97N 153.05E SSMS
29/2054Z 27.63N 152.77E SSMS


ZOUFALY
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Re: WPAC: INVEST 90W

#6 Postby euro6208 » Mon Jul 30, 2018 4:59 pm

Image

WDPN31 PGTW 302100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/PROGNOSTIC REASONING FOR TROPICAL DEPRESSION 16W (SIXTEEN)
WARNING NR 02//
RMKS/
1. FOR METEOROLOGISTS.
2. 6 HOUR SUMMARY AND ANALYSIS.
TROPICAL DEPRESSION 16W (SIXTEEN), LOCATED APPROXIMATELY 311 NM
NORTH-NORTHWEST OF MINAMI TORI SHIMA, HAS TRACKED NORTHWARD AT 09
KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED SATELLITE
IMAGERY DEPICTS A PARTIALLY-EXPOSED, BROAD LOW-LEVEL CIRCULATION
CENTER (LLCC) WITH DEEP CONVECTION DISPLACED OVER THE EASTERN
SEMICIRCLE AND STARTING TO WRAP AROUND TO THE NORTH OF THE LOW
LEVEL CIRCULATION CENTER (LLCC). THE INITIAL POSITION IS PLACED
WITH FAIR CONFIDENCE BASED ON A 301616Z GMI 37 GHZ IMAGE DEPICTING
BANDING CONVECTION PARTIALLY WRAPPING AROUND A FAIRLY BROAD LLCC. A
301107Z PARTIAL METOP-A ASCAT IMAGE SHOWS A REGION OF 30 KNOT WINDS
DISPLACED ABOUT 70 NM TO THE NORTHEAST OF THE LLCC. THE CURRENT
INTENSITY IS ASSESSED AT 30 KNOTS, HEDGED SLIGHTLY ABOVE THE PGTW
DVORAK ESTIMATE OF T1.5 (25 KNOTS) BASED ON THE ASCAT DATA. TD 16W
IS LOCATED UNDER THE SOUTHEASTERN PERIPHERY OF AN UPPER LOW WITH
MODERATE TO STRONG VWS (15-20 KNOTS) OFFSET BY GOOD POLEWARD
OUTFLOW. SEA SURFACE TEMPERATURE VALUES OF 28C ALSO SUPPORT
INTENSIFICATION. TD 16W IS TRACKING NORTHWARD ALONG THE WESTERN
PERIPHERY OF A NORTH-SOUTH ORIENTED SUBTROPICAL RIDGE (STR) LOCATED
TO THE EAST.
3. FORECAST REASONING.
A. THERE IS NO CHANGE TO THE FORECAST PHILOSOPHY SINCE THE
PREVIOUS PROGNOSTIC REASONING MESSAGE.
B. TD 16W IS FORECAST TO CONTINUE TRACKING NORTH-NORTHWESTWARD
TO NORTHWARD THROUGH TAU 24 WHEN IT ROUNDS THE STR AXIS AND BEGINS
GRADUALLY TURNING TOWARD THE NORTHEAST. EXTRA-TROPICAL TRANSITION
(ETT) SHOULD BEGIN NEAR TAU 36 AS THE SYSTEM IS ROUNDING THE RIDGE
AXIS AND BEGINS TO INTERACT WITH A MIDLATITUDE SHORTWAVE TROUGH. BY
TAU 72, TD 16W WILL COMPLETE ETT WHEN IT BECOMES FULLY EMBEDDED
WITHIN THE MIDLATITUDE WESTERLIES AND EXHIBITS FRONTAL
CHARACTERISTICS. ENVIRONMENTAL CONDITIONS SHOULD REMAIN MARGINALLY
FAVORABLE AND TD 16W SHOULD SLOWLY INTENSIFY TO A PEAK OF 45 KNOTS
AT TAU 48. DYNAMIC MODEL GUIDANCE IS IN GOOD AGREEMENT THROUGH TAU
72, THEREFORE, THERE IS HIGH CONFIDENCE IN THE FORECAST TRACK,
WHICH IS POSITIONED CLOSE TO THE MULTI-MODEL CONSENSUS.//
NNNN
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Re: WPAC: Tropical Depression 16W

#7 Postby Alyono » Mon Jul 30, 2018 7:53 pm

SCATSAT indicates this has become a subtropical storm
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Re: WPAC: Tropical Depression 16W

#8 Postby euro6208 » Mon Jul 30, 2018 8:35 pm

TPPN10 PGTW 310024

A. TROPICAL DEPRESSION 16W (ESE OF JAPAN)

B. 31/0000Z

C. 30.58N

D. 152.45E

E. FIVE/HMWRI8

F. ST1.5/1.5

G. IR/EIR/VIS/MSI

H. REMARKS: 63A/PBO PRLY ORGNZD LLCC/ANMTN.

I. ADDITIONAL POSITIONS: NONE


DAVIS
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Re: WPAC: Tropical Depression 16W

#9 Postby euro6208 » Mon Jul 30, 2018 8:37 pm

TXPQ27 KNES 302058
TCSWNP

A. 16W (NONAME)

B. 30/2030Z

C. 28.7N

D. 152.2E

E. THREE/HIMAWARI-8

F. T1.0/1.0/D1.0/24HRS

G. IR/EIR/VIS

H. REMARKS...THIS INTENSITY ESTIMATE WAS DERIVED USING 4 KM IR
DATA. CIRCULARLY DEFINED CLOUD LINES LOCATED GREATER THAN 1.25 DEG FROM
SMALL OVERCAST RESULTS IN DT=1.0. MET=1.0 AND PT=1.0. FT IS BASED ON DT.

I. ADDL POSITIONS

NIL


...BOLL
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Re: WPAC: Tropical Depression 16W

#10 Postby euro6208 » Mon Jul 30, 2018 10:07 pm

WDPN31 PGTW 310300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/PROGNOSTIC REASONING FOR TROPICAL DEPRESSION 16W (SIXTEEN)
WARNING NR 03//
RMKS/
1. FOR METEOROLOGISTS.
2. 6 HOUR SUMMARY AND ANALYSIS.
TROPICAL DEPRESSION 16W (SIXTEEN), LOCATED APPROXIMATELY 386 NM
NORTH-NORTHWEST OF MINAMI TORI SHIMA, HAS TRACKED NORTHWARD AT 13
KNOTS OVER THE PAST SIX HOURS. THE INITIAL POSITION IS PLACED WITH
FAIR CONFIDENCE BASED ON ANIMATED MULTISPECTRAL SATELLITE IMAGERY
(MSI) WHICH DEPICTS A PARTIALLY-EXPOSED, BROAD LOW-LEVEL CIRCULATION
CENTER (LLCC) WITH DEEP CONVECTION TO THE NORTH AND EAST OF THE
LLCC. A 302217Z SCATSAT IMAGE SHOWS A LARGE REGION OF 30 KNOT WINDS
ABOUT 70-150 NM TO THE NORTHEAST OF THE LLCC. THE CURRENT INTENSITY
IS ASSESSED AT 30 KNOTS, HEDGED SLIGHTLY ABOVE THE PGTW DVORAK
ESTIMATE OF T1.5 (25 KNOTS) BASED ON THE SCATSAT DATA. TD 16W IS
LOCATED UNDER THE SOUTHEASTERN PERIPHERY OF AN UPPER LOW WITH
MODERATE VWS (10-15 KNOTS) AND GOOD POLEWARD OUTFLOW. SEA SURFACE
TEMPERATURE VALUES OF 28C ALSO SUPPORT INTENSIFICATION. THE
DISPLACEMENT OF THE PEAK WINDS FROM THE LLCC AND ORIENTATION OF THE
DEEP CONVECTION SUGGEST THE SYSTEM IS SUBTROPICAL. TD 16W IS
TRACKING NORTHWARD ALONG THE WESTERN PERIPHERY OF A NORTH-SOUTH
ORIENTED SUBTROPICAL RIDGE (STR) LOCATED TO THE EAST.
3. FORECAST REASONING.
A. THERE IS NO CHANGE TO THE FORECAST PHILOSOPHY SINCE THE
PREVIOUS PROGNOSTIC REASONING MESSAGE.
B. TD 16W IS FORECAST TO CONTINUE TRACKING NORTH-NORTHWESTWARD TO
NORTHWARD THROUGH TAU 24 WHEN IT ROUNDS THE STR AXIS AND BEGINS
GRADUALLY TURNING TOWARD THE NORTHEAST. EXTRATROPICAL TRANSITION
(ETT) SHOULD BEGIN BY TAU 36 AS THE SYSTEM IS ROUNDING THE RIDGE
AXIS, TRACKING OVER COLDER WATER (SST OF ABOUT 24C), AND BEGINNING
TO INTERACT WITH A MIDLATITUDE SHORTWAVE TROUGH. BY TAU 72, TD 16W
WILL COMPLETE ETT AS IT BECOMES FULLY EMBEDDED WITHIN THE
MIDLATITUDE WESTERLIES AND SHOULD EXHIBIT FRONTAL CHARACTERISTICS.
ENVIRONMENTAL CONDITIONS SHOULD REMAIN MARGINALLY FAVORABLE AND TD
16W SHOULD SLOWLY INTENSIFY TO A PEAK OF 40 KNOTS AT TAU 48. DYNAMIC
MODEL GUIDANCE IS IN GOOD AGREEMENT THROUGH TAU 72, THEREFORE, THERE
IS HIGH CONFIDENCE IN THE FORECAST TRACK, WHICH IS POSITIONED CLOSE
TO THE MULTI-MODEL CONSENSUS.//
NNNN
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Re: WPAC: Tropical Depression 16W

#11 Postby euro6208 » Tue Jul 31, 2018 4:47 am

Image

WDPN31 PGTW 310900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/PROGNOSTIC REASONING FOR TROPICAL DEPRESSION 16W (SIXTEEN)
WARNING NR 04//
RMKS/
1. FOR METEOROLOGISTS.
2. 6 HOUR SUMMARY AND ANALYSIS.
TROPICAL DEPRESSION 16W (SIXTEEN), LOCATED APPROXIMATELY 483 NM
NORTH-NORTHWEST OF MINAMI TORI SHIMA, HAS TRACKED NORTHWESTWARD
AT 18 KNOTS OVER THE PAST SIX HOURS. THE INITIAL POSITION IS PLACED
WITH FAIR CONFIDENCE BASED ON ANIMATED MULTISPECTRAL SATELLITE
IMAGERY (MSI) WHICH DEPICTS A PARTIALLY EXPOSED, BROAD LOW-LEVEL
CIRCULATION CENTER (LLCC) WITH A BROAD OUTFLOW TAIL. A PARTIAL
310447Z SSMIS 91GHZ MICROWAVE IMAGE SHOWS THE MAJORITY OF THE DEEP
CONVECTION IS DISPLACED TO THE NORTH OF THE LLCC. THE CURRENT
INTENSITY IS ASSESSED AT 30 KNOTS, HEDGED SLIGHTLY ABOVE THE PGTW
DVORAK ESTIMATE OF T1.5 (25 KNOTS) BASED ON IMPROVING CONVECTION TO
THE NORTH OF THE LLCC. TD 16W IS LOCATED TO THE EAST OF AN UPPER
LEVEL LOW WITH MODERATE VWS (10-15 KNOTS) AND GOOD SINGLE CHANNEL
OUTFLOW, AND SEA SURFACE TEMPERATURES ARE STILL WARM (27-28C). THE
ASYMMETRIC CONVECTION SUGGESTS THE SYSTEM IS SUBTROPICAL, THOUGH A
310500Z AMSU CROSS-SECTION SHOWS THAT 16W STILL HAS A WARM-CORE
ANOMALY AT ALL LEVELS.
TD 16W HAS JOGGED NORTHWESTWARD AND
ACCELERATED OVER THE PAST 6 HOURS ALONG THE WESTERN PERIPHERY OF THE
SUBTROPICAL RIDGE TO THE EAST.
3. FORECAST REASONING.
A. THERE IS NO CHANGE TO THE FORECAST PHILOSOPHY SINCE THE
PREVIOUS PROGNOSTIC REASONING MESSAGE.
B. TD 16W IS FORECAST TO CONTINUE TRACKING NORTH-NORTHWESTWARD TO
NORTHWARD THROUGH TAU 24 AND WILL SLOW SLIGHTLY AS IT ROUNDS THE STR
AXIS, THEN WILL GRADUALLY TURN TOWARD THE NORTHEAST. EXTRATROPICAL
TRANSITION (ETT) SHOULD BEGIN BY TAU 36 AS THE SYSTEM WILL BE
LOCATED NORTH OF THE STR AXIS, TRACKING OVER COLDER WATER (SSTS
BELOW 22C), AND BEGINNING TO INTERACT WITH A MIDLATITUDE SHORTWAVE
TROUGH MOVING FROM WEST TO EAST. BY TAU 72, TD 16W WILL COMPLETE ETT
AS IT BECOMES FULLY EMBEDDED WITHIN THE MIDLATITUDE WESTERLIES AND
BAROCLINIC ZONE, THE WIND FIELD BECOMES EVEN MORE EXPANSIVE AND
ASYMMETRIC, AND ACCELERATES TO THE NORTHEAST. ENVIRONMENTAL
CONDITIONS SHOULD REMAIN MARGINALLY FAVORABLE AND TD 16W SHOULD
SLIGHTLY INTENSIFY TO A PEAK OF 35 KNOTS AT TAU 24. HOWEVER, DRY AIR
WRAPPING IN FROM THE UPPER LEVEL LOW AND DECREASING SSTS WILL LIMIT
SIGNIFICANT INTENSIFICATION. DYNAMIC MODEL GUIDANCE IS IN GOOD
AGREEMENT THROUGH TAU 72. THEREFORE, THERE IS HIGH CONFIDENCE IN THE
FORECAST TRACK, WHICH IS POSITIONED SLIGHTLY AHEAD OF THE MULTI-
MODEL CONSENSUS TO ACCOUNT FOR RECENT ACCELERATION.//
NNNN
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Re: WPAC: Tropical Depression 16W

#12 Postby euro6208 » Tue Jul 31, 2018 4:49 am

TPPN10 PGTW 310858

A. TROPICAL DEPRESSION 16W (ESE OF JAPAN)

B. 31/0830Z

C. 31.91N

D. 151.02E

E. THREE/HMWRI8

F. ST1.5/1.5

G. IR/EIR/VIS/MSI

H. REMARKS: 19A/PBO XPSD LLCC/ANMTN. THE SUBTROPICAL METHOD
YIELDS AN INTENSITY OF ST1.5/1.5.

I. ADDITIONAL POSITIONS:
31/0800Z 31.65N 150.95E SSMS


LEMBKE

TXPQ27 KNES 310931
TCSWNP

A. 16W (NONAME)

B. 31/0830Z

C. 32.0N

D. 150.8E

E. FIVE/HIMAWARI-8

F. T1.5/1.5/D1.0/24HRS

G. IR/EIR/SWIR/VIS

H. REMARKS...THIS INTENSITY ESTIMATE WAS DERIVED USING 4 KM IR
DATA. 2.5/10 BANDING IS OBTAINED FROM 0800Z SSMIS MW PASS. DT IS 1.5. MET
AND PT ARE 1.5. FT IS BASED ON DT.

I. ADDL POSITIONS

NIL


...ZHU
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Re: WPAC: Tropical Depression 16W

#13 Postby euro6208 » Tue Jul 31, 2018 4:51 am

Image
Image
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Re: WPAC: Tropical Depression 16W

#14 Postby euro6208 » Tue Jul 31, 2018 4:53 am

UW - CIMSS
ADVANCED DVORAK TECHNIQUE
ADT-Version 9.0
Tropical Cyclone Intensity Algorithm

----- Current Analysis -----
Date : 31 JUL 2018 Time : 091000 UTC
Lat : 32:25:55 N Lon : 150:40:57 E


CI# /Pressure/ Vmax
2.2 / 995.3mb/ 32.0kt


Final T# Adj T# Raw T#
2.2 2.5 2.5

Center Temp : +19.7C Cloud Region Temp : 2.4C

Scene Type : SHEAR (0.27^ TO DG)

Subtropical Adjustment : OFF

Extratropical Adjustment : OFF

Positioning Method : FORECAST INTERPOLATION

Ocean Basin : WEST PACIFIC
Dvorak CI > MSLP Conversion Used : CKZ Method

Tno/CI Rules : Constraint Limits : NO LIMIT
Weakening Flag : OFF
Rapid Dissipation Flag : OFF

C/K/Z MSLP Estimate Inputs :
- Average 34 knot radii : N/A
- Environmental MSLP : 1006mb

Satellite Name : HIM-8
Satellite Viewing Angle : 39.2 degrees

****************************************************
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Re: WPAC: Tropical Depression 16W

#15 Postby euro6208 » Tue Jul 31, 2018 4:54 am

Alyono wrote:SCATSAT indicates this has become a subtropical storm


I wonder why JTWC and JMA doesn't upgrade these kind of systems over here? If the Atlantic can then we should too. Named and ACE included in the season total.
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Re: WPAC: Tropical Depression 16W

#16 Postby euro6208 » Tue Jul 31, 2018 6:46 pm

Image

WTPN31 PGTW 312100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL DEPRESSION 16W (SIXTEEN) WARNING NR 006
02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
311800Z --- NEAR 34.1N 150.1E
MOVEMENT PAST SIX HOURS - 340 DEGREES AT 16 KTS
POSITION ACCURATE TO WITHIN 015 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
SUBTROPICAL
REPEAT POSIT: 34.1N 150.1E
---
FORECASTS:
12 HRS, VALID AT:
010600Z --- 36.0N 150.1E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
SUBTROPICAL
VECTOR TO 24 HR POSIT: 030 DEG/ 14 KTS
---
24 HRS, VALID AT:
011800Z --- 38.4N 152.0E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
SUBTROPICAL
---
REMARKS:
312100Z POSITION NEAR 34.6N 150.1E.
TROPICAL DEPRESSION 16W (SIXTEEN), LOCATED APPROXIMATELY 568 NM
SOUTHEAST OF MISAWA, JAPAN, HAS TRACKED NORTH-NORTHWESTWARD AT 16
KNOTS OVER THE PAST SIX HOURS. THE CYCLONE HAS FULLY TRANSFORMED
INTO A SUBTROPICAL SYSTEM CHARACTERIZED BY AN EXPANSIVE WIND FIELD
WITH THE STRONGEST WINDS AWAY FROM THE CENTER, UPPER LEVEL LOW
DIRECTLY OVERHEAD, ABSENCE OF A WARM ANOMALY AT THE CORE, AND COLD
DRY AIR INTRUSION FROM THE NORTHWEST. THIS IS THE FINAL WARNING ON
THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM
WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 311800Z IS 13 FEET. REFER TO TROPICAL
DEPRESSION 15W (JONGDARI) WARNINGS (WTPN35 PGTW) FOR SIX-HOURLY
UPDATES.//
NNNN
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Alyono
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Re: WPAC: Tropical Depression 16W

#17 Postby Alyono » Tue Jul 31, 2018 8:12 pm

satellite data conclusively indicates that this is still a subtropical storm
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euro6208
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Re: WPAC: Tropical Depression 16W

#18 Postby euro6208 » Wed Aug 01, 2018 8:07 pm

Image

16W SIXTEEN
As of 00:00 UTC Aug 02, 2018:

Location: 37.0°N 151.9°E
Maximum Winds: 25 kt
Minimum Central Pressure: 1004 mb
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