** WTAU05 APRF 061903 *** IDW23100 40:3:1:24:20S115E999:11:00 SECURITE HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH AT 1857UTC 6 APRIL 2006 STORM WARNING FOR THE WESTERN AREA Please be aware, wind gusts can be a further 40 percent stronger than the averages given here, and maximum waves may be up to twice the height. SITUATION At 1800 UTC Tropical Cyclone Hubert located within 30 nautical miles of Latitude nineteen decimal seven degrees South [19.7S] Longitude one hundred and fifteen decimal zero degrees East [115.0E] Recent movement : south southwest at 7 knots. Maximum winds : 50 knots. Central pressure: 975hPa. AREA AFFECTED Within 60 nautical miles of the centre in northern quadrants, extending to within 100 nautical miles in southern quadrants. FORECAST Within 30 nautical miles of the centre extending to 50 nautical miles in southern quadrants: 45/55 knot winds with high to very high seas and moderate swell. Within 60 nautical miles of the centre in northern quadrants, extending to within 100 nautical miles in southern quadrants: Clockwise winds 30/45 knots with rough to very rough seas and moderate swell. At 0600 UTC 07 April: Within 50 nautical miles of 21.0 South 114.7 East Central pressure 970 hPa. Winds to 55 knots near centre. At 1800 UTC 07 April: Within 70 nautical miles of 21.9 South 114.4 East Central pressure 975 hPa. Winds to 50 knots near centre. Next warning issued by 0100 UTC 07 April 2006. WEATHER PERTH ** WTAU05 APRF 061903 *** IDW23100 40:3:1:24:20S115E999:11:00 SECURITE HIGH SEAS WEATHER WARNING FOR METAREA 10 ISSUED BY THE AUSTRALIAN BUREAU OF METEOROLOGY TROPICAL CYCLONE WARNING CENTRE PERTH AT 1857UTC 6 APRIL 2006 STORM WARNING FOR THE WESTERN AREA Please be aware, wind gusts can be a further 40 percent stronger than the averages given here, and maximum waves may be up to twice the height. SITUATION At 1800 UTC Tropical Cyclone Hubert located within 30 nautical miles of Latitude nineteen decimal seven degrees South [19.7S] Longitude one hundred and fifteen decimal zero degrees East [115.0E] Recent movement : south southwest at 7 knots. Maximum winds : 50 knots. Central pressure: 975hPa. AREA AFFECTED Within 60 nautical miles of the centre in northern quadrants, extending to within 100 nautical miles in southern quadrants. FORECAST Within 30 nautical miles of the centre extending to 50 nautical miles in southern quadrants: 45/55 knot winds with high to very high seas and moderate swell. Within 60 nautical miles of the centre in northern quadrants, extending to within 100 nautical miles in southern quadrants: Clockwise winds 30/45 knots with rough to very rough seas and moderate swell. At 0600 UTC 07 April: Within 50 nautical miles of 21.0 South 114.7 East Central pressure 970 hPa. Winds to 55 knots near centre. At 1800 UTC 07 April: Within 70 nautical miles of 21.9 South 114.4 East Central pressure 975 hPa. Winds to 50 knots near centre. Next warning issued by 0100 UTC 07 April 2006. WEATHER PERTH ** WTXS31 PGTW 062100 *** MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC// SUBJ/TROPICAL CYCLONE WARNING// 1. TROPICAL CYCLONE 21S (HUBERT) WARNING NR 007 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 061800Z --- NEAR 19.7S 115.2E MOVEMENT PAST SIX HOURS - 200 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 025 NM SOUTHWEST QUADRANT 015 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT 095 NM SOUTHEAST QUADRANT OVER WATER 105 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT REPEAT POSIT: 19.7S 115.2E --- FORECASTS: 12 HRS, VALID AT: 070600Z --- 21.1S 114.9E MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT RADIUS OF 050 KT WINDS - 015 NM NORTHEAST QUADRANT 020 NM SOUTHEAST QUADRANT 020 NM SOUTHWEST QUADRANT 010 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT 065 NM SOUTHEAST QUADRANT OVER WATER 070 NM SOUTHWEST QUADRANT OVER WATER 055 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 180 DEG/ 06 KTS --- 24 HRS, VALID AT: 071800Z --- 22.4S 114.9E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND VECTOR TO 36 HR POSIT: 170 DEG/ 05 KTS --- 36 HRS, VALID AT: 080600Z --- 23.3S 115.1E MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND --- REMARKS: 062100Z POSITION NEAR 20.0S 115.1E. TROPICAL CYCLONE (TC) 21S (HUBERT), LOCATED APPROXIMATELY 160 NM NORTH-NORTHEAST OF LEARMONTH, AUSTRALIA, HAS TRACKED SOUTH- SOUTHWESTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. TC 21S CONTINUES TO TRACK POLEWARD ALONG THE WESTERN PERIPHERY OF A NORTH-SOUTH ORIENTED STEERING RIDGE OVER CENTRAL AUSTRALIA. THE SYSTEM SHOULD MAINTAIN ITS CURRENT INTENSITY OVER THE NEXT 06 TO 12 HOURS. THE STORM WILL THEN WEAKEN DUE TO LAND INTERACTION AND AN INCREASED VERTICAL WIND SHEAR ENVIRONMENT. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 061800Z IS 20 FEET. NEXT WARNINGS AT 070300Z, 070900Z, 071500Z AND 072100Z.//