Talk:2008–09 Australian region cyclone season/December
- 98P.INVEST - Tropical Low
- Best status from NRL: 30 kts 1000 MB
- Best status from TCWC Darwin: 1000 hPa
- 98P.INVEST first appeared 2008-12-19, 0030z @ 12.1ºS 138.9ºE.
- POOR from ABPW10 2008-12-20, 2100z @ 13.6ºS 139.1ºE.
- FAIR from ABPW10 2008-12-21, 1900z @ 14.5ºS 137.3ºE.
- Tropical Low 03U from TCWC Darwin 2008-12-22, 0200z @ 14.6ºS 137.3ºE.
- Dissipated from ABPW10 2008-12-23, 0600z @ 15.2ºS 130.3ºE.
Darwin TWO
Darwin Tropical Cyclone Warnings (Severe Weather/Coastal)
- 2008-12-22, 0200z // 0600z // 1200z // 1800z
- 2008-12-23, 0000z // 0600z // 1200z // 1800z
- 2008-12-24, 0000z // 0600z (FINAL)
- 05S.BILLY - Category Four Severe Cyclone
- Best status from NRL: 105kts 944 MB
- Best status from Darwin/Perth: 95kts 948 hPa
- 97S.INVEST first appeared 2008-12-15, 1930z @ 11.0ºS 128.0ºE.
- POOR from ABIO10 2008-12-16, 1800z @ 11.7ºS 127.4ºE.
- Tropical Low 04U from TCWC Darwin 2008-12-17, 0600z @ 12.5ºS 127.0ºE.
- TCFA from WTXS21 2008-12-18, 0830z @ 14.2ºS 128.5ºE.
- Tropical Cyclone Billy from TCWC Darwin 2008-12-18, 1200z @ 14.5ºS 128.8ºE.
- JTWC Designates as Tropical Cyclone 05S 2008-12-18, 1500z @ 14.5ºS 128.9ºE
- Category Two Tropical Cyclone Billy from TCWC Darwin 2008-12-19, 0600z @ 14.5ºS 128.7ºE.
- Landfall north of Wyndham 2009-12-19, 2230z @ 14.9ºS 128.0ºE.
- Category One Tropical Cyclone Billy from TCWC Darwin 2008-12-20, 0000z @ 14.9ºS 127.9ºE.
- Tropical Low, Ex Billy from TCWC Darwin 2008-12-20, 0600z @ 15.1ºS 127.3ºE.
- Category One Tropical Cyclone Billy from TCWC Perth 2008-12-22, 0000z @ 15.6ºS 124.3ºE.
- Category Two Tropical Cyclone Billy from TCWC Perth 2008-12-23, 2100z @ 17.8ºS 120.0ºE.
- Category Three Severe Tropical Cyclone Billy from TCWC Perth 2008-12-24, 0300z @ 17.8ºS 119.6ºE.
- Category Four Severe Tropical Cyclone Billy from TCWC Perth 2008-12-24, 0900z @ 17.9ºS 119.0ºE.
- Category Three Severe Tropical Cyclone Billy from TCWC Perth 2008-12-25, 1800z @ 16.6ºS 115.3ºE.
- Category Two Tropical Cyclone Billy from TCWC Perth 2008-12-26, 1800z @ 15.5ºS 113.5ºE.
- Category One Tropical Cyclone Billy from TCWC Perth 2008-12-27, 1200z @ 15.3ºS 112.9ºE.
- Final advisory from JTWC 2008-12-27, 2100z @ 15.0ºS 112.7ºE.
- Tropical Low, Ex Billy from TCWC Perth 2008-12-28, 1200z @ 16.0ºS 112.5ºE.
- Drifted into the Southwestern Indian Ocean and redeveloped. See South-West Indian Ocean logs for its continuation.
Darwin/Perth Tropical Weather Outlook
- 2008-12-15, 0500z
- 2008-12-16, 0500z
- 2008-12-17, 0500z (Refer to Darwin Tropical Cyclone Advices after 17/0500z)
Darwin Tropical Cyclone Advices
Perth Tropical Cyclone Advices
High Sea/Shipping Warnings
- 2008-12-25, 0000z // 0600z // 1200z // 1800z
- 2008-12-26, 0000z // 0600z // 1200z // 1800z
- 2008-12-27, 0000z // 0600z // 1200z // 1800z
- 2008-12-28, 0000z // 0600z // 1200z
Tropical Cyclone Technical Bulletin
- 2008-12-18, 0600z // 1200z // 1800z
- 2008-12-19, 0000z // 0600z // 1200z // 1800z
- 2008-12-20, 0000z // 0600z // 1200z // 1800z
- 2008-12-21, 0000z // 0600z // 1200z // 1800z
- 2008-12-22, 0000z // 0600z // 1200z // 1800z
- 2008-12-23, 0000z // 0600z // 1200z // 1800z
- 2008-12-24, 0000z // 0600z // 1200z // 1800z
- 2008-12-25, 0000z // 0600z // 1200z // 1800z
- 2008-12-26, 0000z // 0600z // 1200z // 1800z
- 2008-12-27, 0000z // 0600z // 1200z // 1800z
- 2008-12-28, 0000z // 0600z // 1200z (Final)
JTWC Tropical Cyclone Warnings
- 90P/93P.INVEST - Tropical Low 05U
- Best status from NRL: 20 knots unknown pressure
- Best status from BoM/PNG:
- 90P.INVEST first appeared 2008-12-23, 1830z @ 9.4ºS 155.8ºE.
- POOR from ABPW10 2008-12-27, 0600z @ 11.8ºS 143.1ºE.
- Dissipated from ABPW10 2008-12-29, 0600z.
Brisbane TWO
- 2008-12-23, 0500z
- 2008-12-24, 0500z
- 2008-12-25, 0500z
- 2008-12-26, 0500z
- 2008-12-27, 0500z
- 2008-12-28, 0500z
- 2008-12-29, 0500z
- 91S.INVEST
- Best status from NRL: 15kts 1010 MB
- Best status from BOM Perth:
- 91S.INVEST first appeared 2008-12-26, 0730z @ 7.2ºS 100.4ºE.