** WTSR20 WSSS 261800 *** NO STORM WARNING= ** WTJP21 RJTD 270000 *** WARNING 270000. WARNING VALID 280000. WARNING IS UPDATED EVERY 6 HOURS. STORM WARNING. SEVERE TROPICAL STORM 0503 SONCA (0503) 980 HPA AT 25.5N 142.7E SOUTH OF CHICHIJIMA MOVING EASTNORTHEAST 24 KNOTS. POSITION FAIR. MAX WINDS 55 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 40 MILES. RADIUS OF OVER 30 KNOT WINDS 180 MILES SOUTHEAST SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 271200UTC AT 28.2N 149.1E WITH 60 MILE RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 45 KNOTS. FORECAST POSITION FOR 280000UTC AT 29.2N 155.6E WITH 100 MILE RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA, MAX WINDS 40 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.= ** WTPQ20 RJTD 270000 *** RSMC TROPICAL CYCLONE ADVISORY NAME STS 0503 SONCA (0503) ANALYSIS PSTN 270000UTC 25.5N 142.7E FAIR MOVE ENE 24KT PRES 980HPA MXWD 055KT 50KT 40NM 30KT 180NM SOUTHEAST 120NM NORTHWEST FORECAST 24HF 280000UTC 29.2N 155.6E 100NM 70% EXTRATROPICAL LOW = ** WTPQ20 BABJ 270000 *** SUBJECTIVE FORECAST STS SONCA 0503 (0503) INITIAL TIME 270000 UTC 00HR 25.5N 142.8E 980HPA 30M/S 30KTS 350KM 50KTS 90KM P12HR NE 50KM/H P+24HR 29.5N 155.0E 990HPA 23M/S= ** WTKO20 RKSL 270000 *** KMA TROPICAL CYCLONE ADVISORY NO. 5 NAME STS 0503 SONCA ANALYSIS POSITION 270000UTC 25.6N 142.8E MOVEMENT ENE 24KT PRES/VMAX 980HPA 54KT FORECAST 12HR POSITION 271200UTC 26.9N 148.4E WITHIN 80NM PRES/VMAX 990HPA 45KT 24HR POSITION 280000UTC 28.2N 154.9E WITHIN 135NM PRES/VMAX 998HPA 33KT KOREA METEOROLOGICAL ADMINISTRATION. ** WTPQ30 RJTD 270000 *** RSMC TROPICAL CYCLONE PROGNOSTIC REASONING REASONING NO.11 FOR STS 0503 SONCA (0503) 1.GENERAL COMMENTS REASONING OF PROGNOSIS THIS TIME IS SIMILAR TO PREVIOUS ONE. POSITION FORECAST IS MAINLY BASED ON NWP AND PERSISTENCY. 2.SYNOPTIC SITUATION NOTHING PARTICULAR TO EXPLAIN. 3.MOTION FORECAST POSITION ACCURACY AT 270000 UTC IS FAIR. STS WILL ACCELERATE FOR THE NEXT 12 HOURS. STS WILL MOVE EAST-NORTHEAST FOR THE NEXT 12 HOURS THEN MOVE TO EAS T. 4.INTENSITY FORECAST STS WILL BE GRADED DOWN TO TS WITHIN 12 HOURS. STS WILL WEAKEN BECAUSE ACTIVE CONVECTIVE CLOUD CLUSTER HAS SEPARAT ED FROM LOW LEVEL CIRCURATION CENTER AND CYCLONE WILL CONTINUE TO STAY IN LOW SST AREA. STS WILL BE TRANSFORMED TO EXTRATROPICAL CYCLONE WITHIN 24 HOURS.= ** WTFJ11 NFFN 270100 *** CREX Cyclone Message CREX++ VERSION: T000101 DATA Category - Synoptic Feature: A007 Storm Analysis Sequence D16026++ Identification of Originating Centre (Nadi = 071): 071 Storm Identifier:14F WMO Storm Name (8 character word)://// Year:2005 Month:04 Day (UTC):27 Hour (UTC):00 Minute (UTC):00 POSITION Latitude (100 x decimal degrees) (negative for South): -1500 Longitude (100 x decimal degrees) (negative for West):-17500 Manual Method for estimating reports related to synoptic features: 00 TC intensity (1=Depression 2=Gale 3=Storm 4=Hurricane):01 Radius of 1000hPa isobar at MSL in km://// Movement in degrees:000 Speed of Movement (in m/s x 100):00000 ENVIRONMENTAL DATA Storm Depth (1=Shallow 2=Medium 3=Deep):1 Storm centre: 01 Central pressure (hPa x 10):10080 Outer Limit edge of feature: 02 Pressure of outermost closed isobar (hPa x 10):10100 Radius of outermost isobar (km):0060 Location of maximum winds: 03 Time Averaged: 02 10-Minute Average Data: 10 Maximum wind speed (m/s x 10):0000 Radius of Maximum winds (km):0060 Winds in Sector 1 (northeast sector - 360 to 090): 36000 09000 Maximum wind speed threshold (25 m/s): 025 Radius of 25 m/s wind (km x 10)://// Maximum wind speed threshold (15 m/s): 015 Radius of 15 m/s wind (km x 10)://// Winds in Sector 2 (southeast sector - 090 to 180): 09000 18000 Maximum wind speed threshold (25 m/s): 025 Radius of 25 m/s wind (km x 10)://// Maximum wind speed threshold (15 m/s): 015 Radius of 15 m/s wind (km x 10)://// Winds in Sector 3 (southwest sector - 180 to 270): 18000 27000 Maximum wind speed threshold (25 m/s): 025 Radius of 25 m/s wind (km x 10)://// Maximum wind speed threshold (15 m/s): 015 Radius of 15 m/s wind (km x 10)://// Winds in Sector 4 (northwest sector - 270 to 360): 27000 36000 Maximum wind speed threshold (25 m/s): 025 Radius of 25 m/s wind (km x 10)://// Maximum wind speed threshold (15 m/s): 015 Radius of 15 m/s wind (km x 10):////++ End Code 7777 ** WTJP31 RJTD 270300 *** WARNING 270300. WARNING VALID 280300. STORM WARNING. SEVERE TROPICAL STORM 0503 SONCA (0503) 980 HPA AT 26.2N 144.0E SOUTHEAST OF CHICHIJIMA MOVING EASTNORTHEAST 25 KNOTS. POSITION FAIR. MAX WINDS 55 KNOTS NEAR CENTER. RADIUS OF OVER 50 KNOT WINDS 40 MILES. RADIUS OF OVER 30 KNOT WINDS 180 MILES SOUTHEAST SEMICIRCLE AND 120 MILES ELSEWHERE. FORECAST POSITION FOR 271500UTC AT 28.4N 150.5E WITH 60 MILE RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 990 HPA, MAX WINDS 45 KNOTS. FORECAST POSITION FOR 280300UTC AT 29.3N 157.3E WITH 100 MILE RADIUS OF 70 PERCENT PROBABILITY CIRCLE. 996 HPA, MAX WINDS 40 KNOTS. BECOMING EXTRATROPICAL LOW. JAPAN METEOROLOGICAL AGENCY.= ** WTPQ20 RJTD 270300 *** RSMC TROPICAL CYCLONE ADVISORY NAME STS 0503 SONCA (0503) ANALYSIS PSTN 270300UTC 26.2N 144.0E FAIR MOVE ENE 25KT PRES 980HPA MXWD 055KT 50KT 40NM 30KT 180NM SOUTHEAST 120NM NORTHWEST FORECAST 24HF 280300UTC 29.3N 157.3E 100NM 70% EXTRATROPICAL LOW =