Tue, 22 Jul 2014
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SA REGIONAL




INFORMATION




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CAPE TOWN

South Easter Info
The South Easter, or better known as the Cape Doctor, blows mainly during the summer months and makes its first appearance during early spring during the months of August and September and usually lasts until late Summer and early autumn during the months of March and April. Read up about shallow, deep and the black south easter formations.

Coastal Lows
A coastal low is a shallow low pressure system limited to the lower layers of the atmosphere and is formed when the wind blows from theland TO the sea, usually during bergwinds.

Bergwind Info
Bergwind is the South African name for fohn wind or mountain wind. It is a hot, dry wind that blows from the interior of South Africa to the coast and usually is blustery.

Winter rainfall differences around CT
Rainfall around the Cape Peninsula and the Boland varies greatly in space. Newlands is one of the wettest suburbs in the country with an annual rainfall of well over 2000mm (80 inches) while only 30km (18mi) away within view the Cape Flats (Airport) only receives about 550mm (22 inches). So what causes these great differences in the rainfall?

Summer Sea temperature differences around CT
Ever wondered why the ocean temperatures are so cold at Clifton and the Atlantic coastline beaches in summer, while at the same time the waters in False Bay are warm in comparison?

Inversion layers
Weather you live in Cape Town or Joahnnesburg, you will have seen how inversion layers trap smoke, fog and smog near the ground in winter, but did you know it also is one of the causes of the howling SE winds over the Peninsula and determines whether or not the famous "Table Cloth" will form on Table Mountain.


GENERAL

Cold Front Info
Cold fronts are mid-latitude phenomena - meaning they are not tropical in nature and occur mostly south of 25S or north of 25N....find out more of these rainbearers....

The Synoptic Chart
Since we started offering you the synoptic charts from the South African Weather Service there have been many queries regarding what all those lines and "H"s and "L"s mean.

The Station Model
The "station" what ? Since we started offering you the synoptic charts from the South African Weather Service there have been many queries regarding what all those lines and black circles with lines sticking into them and those numbers mean.

Tephigrams
A "tephi" what ? If you are a pilot or a meteorologist, you are about the only people on this planet able to decipher this very useful chart. Click on the link to find out more !

El Nino information (SAWS)

Weather Glossary
A comprehensive list of weather terms


INTERNATIONAL

Meteorology (About.com)
Involves many features - articles, chat, bulletin boards, netlinks, and personal responses to inquiries.

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Goodstuff



Goodstuff
ALEXANDER BAY 19/10
ALLDAYS 22/06
BEAUFORT WEST 17/06
BELA-BELA 21/06
BETHLEHEM 16/00
BISHO 24/08
BLOEMFONTEIN 17/03
CALVINIA 17/06
CAPE ST LUCIA 24/16
CAPE TOWN 16/10
CLANWILLIAM 17/08
DE AAR 18/04
DURBAN 22/15
EAST LONDON 23/14
ERMELO 17/02
FAURESMITH 18/04
FICKSBURG 15/-2
GEORGE 20/08
GRAAF-REINETT 17/05
GRAHAMSTOWN 23/10
HERMANUS 17/09
JOHANNESBURG 18/03
JOUBERTINA 19/11
KIMBERLEY 22/06
KLERKSDORP 19/05
KOMATIPOORT 23/10
KROONSTAD 17/03
LADYSMITH 19/01
LANGEBAAN 18/11
LEPHALALE 20/07
LYDENBURG 20/04
MAFIKENG 20/06
MUSINA 24/09
NELSPRUIT 20/05
NEWCASTLE 19/05
OUDTSHOORN 19/08
PAARL 17/04
PHALABORWA 25/11
PIETERMARITZBURG 21/06
PLETTENBERG BAY 19/13
POLOKWANE 21/05
PORT ALFRED 23/13
PORT ELIZABETH 22/14
PORT ST JOHNS 23/11
POTCHEFSTROOM 19/04
PRETORIA 19/04
QUEENSTOWN 18/04
RICHARDS BAY 24/17
ROBERTSON 17/04
RUSTENBURG 18/04
SASOLBURG 19/03
SKUKUZA 23/09
SOWETO 18/03
SPRINGBOK 19/05
STILBAAI 18/11
SUTHERLAND 16/05
TZANEEN 22/05
ULUNDI 24/10
UMTATA 22/05
UPINGTON 23/08
VEREENIGING 18/04
VREDENDAL 17/08
VRYBURG 20/07
WELKOM 19/03
WITBANK 19/05
WORCESTER 17/04

 

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