Absolutely! Just received a worrying text message from Indwe: 'Hail imminent in JHB (Kyalami)'. I stay in Lonehill and can see Kyalami from my balcony :blueCry:
upper winds at 39 000ft are about 60-65 knots ( 70mph or so), and that is what is pushing the weather rapidly northeasterly, but it is also the cause for the orographic uplift as the unstable weather comes off the flat Freestate and bumps into the highveld, causing it to rise rapidly