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The weather and safety outlook for 11 September 2026.

There is a flying tip and an acronym index at the bottom of the report for those not understanding some of the weather jargon. ;)

11 September 2026

Good morning all you amazing Wild2fly people! :) So a short flying window yesterday at Sedge - a lucky few got into some of the up stuff but not long and everybody got flushed with the drizzle moving in soon after that. Elsewhere, Max flying in Columbia a col 140km triangle https://www.xcontest.org/world/en/flights/detail:judomax625/10.09.2026/14:51 And can you believe only 3 flights over 100km yesterday. Tough day it seems... lol ;) Back to the SA weather where the CF is still influencing the southern parts with low cloud and slight chance of rain while the interior has high bases and chance of CB's over the southern central parts. Base over 15k in Nam along the west coast while a strong convergence line is setting up along the Karoo escarpment of SA - a distinct mostly summer feature. For Wilderness the day starts of with a light SW breeze that will back to the S and even SE at the end of the day. Nothing strong for today with 10knots at a push. Base around 1500ft with super nice thermals. Perhaps a later start due to the wet ground but there should be enough instability to get you going even with the wet ground around. Keep tabs of the clouds and cloud suck otherwise it should be a sweet day. ;) Lekker! High tide is at 15:49 and low tide around 6 hrs either side of that. Sunrise was at 6:35 and setting at 18:18. Daylight of 11 hrs and 44 min! :). Max temps today still a cool 18 degrees C in Wilderness! Have a lekker one everybody and as always, remember to take a moment and reflect on God - that’s really what life is all about. :) (John 10:10. Rom 10:9. Eph 4:31-32.)

Todays flying tip: While ridge soaring, air law stipulates to pass on the ridge side. But in reality, most often that’s not possible. So, what do you do? :)

Map top landing Site briefing here: https://wild2fly.co.za/index.php/weather-wilderness/weather-wilderness-history 

Did you know, we do CAA approved Mustache/Parakite introductions and conversions. :)

SA synoptic at 14:00. :)

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Cloud base for SA at 14:00. :)

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SA rain. ;)

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Convergence today :)

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Vertical velocity and wind at 10k.

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Sedge SkewT :)

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Sedge 3 day Overview. ;)

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Wilderness cloud base :)

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Wilderness wind ;)

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Do you like reading flying related stuff? ;) Check out my old blog for some interesting fun and musings on life and flying around the tropical islands of Seychelles. http://wingsandwhalesharks.blogspot.com/

Wild2Fly weather report Acronym sheet


IOH – Indian Ocean High Pressure System
SAH – Southern Atlantic High Pressure system
LSH - Lesotho High Pressure System
B/S - Boyancy Shear ration
CB - Charlie Bravo, Aviation term for Thunderstorms
CT – Cape Town
CP – Cape Point
CF - Cold Front
CATS - Clear Air Turbulence
CoL - Cut of Low
GR - Garden Route
EL - East London
GE - Great Escarpment
LR – Lapse Rate
LH – Lions Head
SH – Signal Hill
SLP – Sir Lowries Pass
FB – False Bay
FH - Franschoek
RB - Rondebossie
PV – Porterville
PB - Picketberg
SB - Swartberg Pass
CP – CarPark
BH – Beach Hotel
WC – Western Cape
PE – Port Elizabeth
PA – Port Alfred
WWB - Wrong Way Bob
W – West
OD - Over development
Q's - Cumulous clouds
SW – South West
WSW – West South West etc
MIT - Metrology
MET - Meteoroly
VFR - Visual Flight Rules
FVR - For the dislexic - means same as above... :))
WYSIWIG - What You See Is What You Get.
SHPB - Southern High Pressure Belt
PR - Paradise Ridge
If I have missed anything let me know.

;)  

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