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Admiralty Lists of Radio Signals - The Tyneside Nautical Charts ...

Admiralty Lists of Radio Signals - The Tyneside Nautical Charts ...

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VI<br />

Thickness / GPH analysis 1900(12)<br />

24 hour significant winds 0712(00) 1912(12)<br />

48 hour surface prognosis 0724(00) 1924(12)<br />

72 hour surface prognosis 0736(00) 1936(12)<br />

96 hour surface prognosis 0748(00) 1948(12)<br />

120 hour surface prognosis 0800(00) 2012(12)<br />

Thickness / GPH analysis 0812(00)<br />

48 hour significant winds 0824(00) 2024(12)<br />

72 hour significant winds 0836(00) 2036(12)<br />

96 hour significant winds 0848(00) 2048(12)<br />

Surface analysis 0900(06) 2100(18)<br />

Thickness / GPH analysis 0912(00) 2112(12)<br />

24 hour thickness / GPH prognosis 0924(00) 2124(12)<br />

24 hour 850 hPa spot winds 0936(00) 2136(12)<br />

24 hour 700 hPa spot winds 0948(00) 2148(12)<br />

Surface analysis 1000(06) 2200(18)<br />

24 hour surface prognosis 1012(06) 2212(18)<br />

24 hour reduced visibility 1024(06) 2224(18)<br />

24 hour 850 hPa WBPT / PPTN 1036(06) 2236(18)<br />

24 hour OAT / TD contour 1048(06) 2248(18)<br />

Surface analysis 1100(06)<br />

24 hour surface prognosis 1112(06)<br />

24 hour sea and swell 1124(06) 2336(18)<br />

24 hour thickness / GPH prognosis 1136(00)<br />

Abbreviations used above:<br />

GPH Geopotential Height<br />

OAT Outside Air Temperature<br />

PPTN Precipitation<br />

SCEXAS TAFS South Coast Exercise Areas Terminal Aerodrome Forecasts<br />

TD Dewpoint Temperature<br />

WBPT Wet Bulb Potential Temperature<br />

120/576<br />

(former update 49/11)<br />

Joint Operational Meteorology and Oceanography Centre, Northwood (RSDRA2012000135748) 30/12<br />

RADIO WEATHER SERVICES AND NAVIGATIONAL WARNINGS<br />

PAGE 163, SOUTH AFRICA, CAPE TOWN, Weather Bulletins and Navigational Warnings sections.<br />

Delete and replace by:<br />

Weather Bulletins<br />

1015 1815 Storm, gale and cyclone warnings, weather synopsis and forecast for Sea Areas 3-5, 11, 12, 14 and 15.<br />

1333 Coastal weather reports comprising 1200 UTC observations from various stations combined and presented as one broadcast.<br />

On request<br />

High seas weather forecasts.<br />

Navigational Warnings<br />

On receipt on Ch 16 & 2182<br />

Storm warnings.<br />

kHz<br />

On receipt<br />

1015 1815<br />

Coastal warnings.<br />

(after weather bulletin)<br />

NOTE: VHF broadcasts are announced simultaneously through VHF Ch 16 before being broadcast through the allocated remote transmitter site(s).<br />

South Africa Navarea VII 152/12 (RSDRA2012000129378) 30/12<br />

Wk30/12<br />

6.7

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