Tropical
Cyclones
[Index] |
Tropical Cyclone 199737 [Australian Region][South Indian Ocean][South Pacific Ocean][Southern Hemisphere] |
WTPS21 PGTW 970527 14:00z SUBJ/TROPICAL CYCLONE FORMATION ALERT 271355Z MAY 97// RMKS/ 1. IMMEDIATE DELIVERY REQ TO AMEMBASSY SUVA 2. IMMEDIATE DELIVERY REQ TO AMEMBASSY PORT MORESBY AND AMEMBASSY HONIARA SOLOMON ISLANDS 3. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN A 350 NM RADIUS OF 12.0S3 168.8E3 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 25 TO 25 KNOTS. METSAT IMAGERY AT 271030Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 12.1S4 168.8E3. THE SYSTEM IS MOVING SOUTHWARD AT 01 KNOTS. 4. REMARKS: A TROPICAL DISTURBANCE HAS FORMED SOUTHEAST OF THE SOLOMON ISLANDS IN RESPONSE TO STRONG WESTERLY WINDS ALONG THE EQUATOR. CONVECTION REMAINS DISORGANIZED, HOWEVER SYNOPTIC DATA INDICATES THE PRESENCE OF A LOW LEVEL CIRCULATION CENTER. THE DISTURBANCE HAS REMAINED QUASI-STATIONARY. 5. THIS ALERT VALID UNTIL 281400Z5.// ========================================================================= WTPS31 PGTW 970528 09:00z IMMEDIATE DELIVERY REQ TO AMEMBASSY SUVA AMEMBASSY SUVA REQ PASS TO USAID OFDA ADVISOR IMMEDIATE DELIVERY REQ TO AMEMBASSY PORT MORESBY 1. TROPICAL CYCLONE 37P WARNING NR 001 01 ACTIVE TROPICAL CYCLONE IN SOUTHERN HEMISPHERE MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 280600Z6 --- 14.3S8 167.3E7 MOVEMENT PAST SIX HOURS - 170 DEGREES AT 06 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT REPEAT POSIT: 14.3S8 167.3E7 --- FORECASTS: 12 HRS, VALID AT: 281800Z9 --- 15.6S2 167.6E0 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 24 HR POSIT: 160 DEG/ 09 KTS --- 24 HRS, VALID AT: 290600Z7 --- 17.2S0 168.2E7 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT RADIUS OF 035 KT WINDS - 040 NM NORTHEAST SEMICIRCLE 025 NM ELSEWHERE VECTOR TO 36 HR POSIT: 150 DEG/ 10 KTS --- 36 HRS, VALID AT: 291800Z0 --- 18.9S8 169.2E8 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 48 HR POSIT: 140 DEG/ 12 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 300600Z9 --- 20.7S9 170.8E6 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT BECOMING EXTRATROPICAL --- REMARKS: 280900Z9 POSITION 14.6S1 167.4E8 TROPICAL CYCLONE 37P (TC 37P) HAS FORMED NORTHEAST OF ESPIRITU SANTU ISLAND AND IS MOVING SOUTHWARD AT 6 KNOTS. THE WARNING POSITION IS BASED ON 280530Z VISIBLE SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON 280425Z VISIBLE AND INFRARED SATELLITE IMAGERY. TC 37P IS FORECAST TO GRADUALLY TURN EASTWARD AND ACCELERATE IN STEERING FLOW BETWEEN A MID-LEVEL RIDGE TO THE NORTHEAST AND A MID-LEVEL TROUGH TO THE SOUTHWEST. TC 37P IS FORECAST TO INTENSIFY THROUGH 24 HOURS, THEN WEAKEN AFTER IT ENCOUNTERS STRONGER VERTICAL WIND SHEAR. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 280600Z IS 11 FEET. NEXT WARNINGS AT 282100Z3 (DTG 281951Z6) AND 290900Z0 (DTG 290751Z4). THIS WARNING SUPERSEDES AND CANCELS NAVPACMETOCCEN WEST GU 271355Z MAY 97 TROPICAL CYCLONE FORMATION ALERT (WTPS21 PGTW 271400).// ========================================================================= WTPS31 PGTW 970528 21:00z IMMEDIATE DELIVERY REQ TO AMEMBASSY SUVA AMEMBASSY SUVA REQ PASS TO USAID OFDA ADVISOR IMMEDIATE DELIVERY REQ TO AMEMBASSY PORT MORESBY 1. TROPICAL CYCLONE 37P WARNING NR 002 01 ACTIVE TROPICAL CYCLONE IN SOUTHERN HEMISPHERE MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 281800Z9 --- 15.9S5 167.7E1 MOVEMENT PAST SIX HOURS - 165 DEGREES AT 07 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT REPEAT POSIT: 15.9S5 167.7E1 --- FORECASTS: 12 HRS, VALID AT: 290600Z7 --- 17.4S2 168.1E6 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 24 HR POSIT: 160 DEG/ 07 KTS --- 24 HRS, VALID AT: 291800Z0 --- 18.8S7 168.6E1 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT RADIUS OF 035 KT WINDS - 040 NM NORTHEAST SEMICIRCLE 025 NM ELSEWHERE VECTOR TO 36 HR POSIT: 150 DEG/ 08 KTS --- 36 HRS, VALID AT: 300600Z9 --- 20.2S4 169.4E0 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 48 HR POSIT: 130 DEG/ 08 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 301800Z2 --- 21.3S6 170.7E5 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT --- REMARKS: 282100Z3 POSITION 16.3S0 167.8E2 TROPICAL CYCLONE 37P IS MOVING SOUTH-SOUTHEASTWARD AT 7 KNOTS. THE SYSTEM IS FORECAST TO PEAK WITHIN THE NEXT 24 HOURS FOLLOWED BY RAPID WEAKENING AND EXTRATROPICAL TRANSITION AS IT ENCOUNTERS STRONG VERTICAL WIND SHEAR SOUTH OF THE SUBTROPICAL RIDGE. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 281800Z9 IS 11 FEET. NEXT WARNINGS AT 290900Z0 (DTG 290755Z8) AND 292100Z4 (DTG 291955Z1).// ========================================================================= WTPS31 PGTW 970529 09:00z IMMEDIATE DELIVERY REQ TO AMEMBASSY SUVA AMEMBASSY SUVA REQ PASS TO USAID OFDA ADVISOR 1. TROPICAL CYCLONE 37P WARNING NR 003 01 ACTIVE TROPICAL CYCLONE IN SOUTHERN HEMISPHERE MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 290600Z7 --- 16.7S4 168.1E6 MOVEMENT PAST SIX HOURS - 160 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT REPEAT POSIT: 16.7S4 168.1E6 --- FORECASTS: 12 HRS, VALID AT: 291800Z0 --- 17.8S6 168.6E1 MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT RADIUS OF 035 KT WINDS - 040 NM NORTHEAST SEMICIRCLE 025 NM ELSEWHERE OVER WATER VECTOR TO 24 HR POSIT: 155 DEG/ 05 KTS --- 24 HRS, VALID AT: 300600Z9 --- 18.7S6 169.0E6 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 36 HR POSIT: 155 DEG/ 05 KTS --- 36 HRS, VALID AT: 301800Z2 --- 19.6S6 169.4E0 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 48 HR POSIT: 140 DEG/ 06 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 310600Z0 --- 20.5S7 170.2E0 MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 290900Z0 POSITION 17.0S8 168.2E7 TROPICAL CYCLONE 37P IS TRACKING SOUTH-SOUTHEASTWARD AT 8 KNOTS. THE SYSTEM IS EXPECTED TO INTENSIFY THROUGH THE 12-HOUR FORECAST POSITION AND TO WEAKEN BEYOND THE 24- HOUR FORECAST POSITION AS THE SYSTEM ENCOUNTERS STRONG VERTICAL WIND SHEAR. THE SYSTEM IS FORECAST TO BE DISSIPATED BY THE 48-HOUR FORECAST POSITION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 290600Z IS 12 FEET. NEXT WARNINGS AT 292100Z4 (DTG 291955Z1) AND 300900Z2 (DTG 300755Z0).// ========================================================================= WTPS31 PGTW 970529 21:00z IMMEDIATE DELIVERY REQ TO AMEMBASSY SUVA AMEMBASSY SUVA REQ PASS TO USAID OFDA ADVISOR 1. TROPICAL CYCLONE 37P WARNING NR 004 01 ACTIVE TROPICAL CYCLONE IN SOUTHERN HEMISPHERE MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 291800Z0 --- 18.0S9 170.0E8 MOVEMENT PAST SIX HOURS - 125 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT REPEAT POSIT: 18.0S9 170.0E8 --- FORECASTS: 12 HRS, VALID AT: 300600Z9 --- 19.5S5 171.7E6 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT VECTOR TO 24 HR POSIT: 135 DEG/ 09 KTS --- 24 HRS, VALID AT: 301800Z2 --- 20.8S0 173.0E1 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 36 HR POSIT: 145 DEG/ 08 KTS --- 36 HRS, VALID AT: 310600Z0 --- 22.1S5 173.9E0 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 292100Z4 POSITION 18.4S3 170.4E2 TROPICAL CYCLONE 37P IS MOVING SOUTHEASTWARD AT 12 KNOTS. WE EXPECT TC 37P TO CONTINUE SOUTHEASTWARD AND TO DISSIPATE AS A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 36 HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 291800Z0 IS 12 FEET. NEXT WARNINGS AT 300900Z2 (DTG 300755Z0) AND 302100Z6 (DTG 301955Z3).// ========================================================================= WTPS31 PGTW 970530 09:00z IMMEDIATE DELIVERY REQ TO AMEMBASSY SUVA AMEMBASSY SUVA REQ PASS TO USAID OFDA ADVISOR 1. TROPICAL CYCLONE 37P WARNING NR 005 01 ACTIVE TROPICAL CYCLONE IN SOUTHERN HEMISPHERE MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 300600Z9 --- 18.9S8 172.3E3 MOVEMENT PAST SIX HOURS - 120 DEGREES AT 11 KTS POSITION ACCURATE TO WITHIN 100 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND EXTRAPOLATION PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER REPEAT POSIT: 18.9S8 172.3E3 --- FORECASTS: 12 HRS, VALID AT: 301800Z2 --- 20.0S2 174.2E4 MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 300900Z2 POSITION 19.2S2 172.8E8 TROPICAL CYCLONE 37P (TC 37P) HAS WEAKENED RAPIDLY AS IT MOVES OVER COOLER WATERS AND ENCOUNTERS STRONGER VERTICAL WIND SHEAR. TC 37P HAS DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 300600Z IS 9 FEET. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WARNING CENTER (NAVPACMETOCCEN WEST GU). THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION.//
Document: 199737.htm
Updated: 26th December 2006 |
[Australian Severe Weather index] [Copyright Notice] [Email Contacts] [Search This Site] |