Fri, 19 Dec 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 22/12
ALLDAYS 29/20
BEAUFORT WEST 28/14
BELA-BELA 29/17
BETHLEHEM 27/14
BISHO 22/15
BLOEMFONTEIN 32/13
CALVINIA 26/10
CAPE ST LUCIA 26/22
CAPE TOWN 22/14
CLANWILLIAM 28/12
DE AAR 31/15
DURBAN 23/19
EAST LONDON 21/17
ERMELO 26/12
FAURESMITH 33/14
FICKSBURG 27/13
GEORGE 20/16
GRAAF-REINETT 28/12
GRAHAMSTOWN 23/13
HERMANUS 20/12
JOHANNESBURG 28/14
JOUBERTINA 20/11
KIMBERLEY 35/18
KLERKSDORP 31/16
KOMATIPOORT 31/20
KROONSTAD 33/15
LADYSMITH 30/15
LANGEBAAN 20/13
LEPHALALE 30/19
LYDENBURG 27/16
MAFIKENG 30/15
MUSINA 30/22
NELSPRUIT 27/16
NEWCASTLE 30/13
OUDTSHOORN 27/13
PAARL 22/11
PHALABORWA 30/20
PIETERMARITZBURG 21/13
PLETTENBERG BAY 19/16
POLOKWANE 25/17
PORT ALFRED 22/15
PORT ELIZABETH 20/17
PORT ST JOHNS 21/18
POTCHEFSTROOM 29/16
PRETORIA 29/16
QUEENSTOWN 23/12
RICHARDS BAY 28/20
ROBERTSON 25/12
RUSTENBURG 29/16
SASOLBURG 30/15
SKUKUZA 31/20
SOWETO 28/14
SPRINGBOK 28/15
STILBAAI 21/15
SUTHERLAND 24/08
TZANEEN 28/17
ULUNDI 27/17
UMTATA 18/13
UPINGTON 34/18
VEREENIGING 30/15
VREDENDAL 21/11
VRYBURG 34/16
WELKOM 33/15
WITBANK 26/12
WORCESTER 25/11

 

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