Hey guys,
Just a quick one from me since its after midnight (here in Canada). 15/11 was in the South East Coast and Wide Bay districts of QLD.
In the South East Coast area, supercells developed W of Brisbane and passed over the inner northern suburbs with what has been described as well defined mesocyclone (by the BoM). It caused damage around Ashgrove as the meso passed over that area although the damage was not tornadic, it did indicate winds of up to about 110km/h (an educated guess based on the damage). Hail of up to 4cm was reported from the inner northern suburbs.
In the Wide Bay area, 3 probable supercells developed at or around 6am near Maryborough in a moist, unstable environment along an E-W aligned boundary (possibly a warm front - will discuss more later if anyone is interested?) and produced some nasty wind damage to a farm and reports of cricket-ball sized hail came in from Mundubbera. Photographic evidence indicated the hail was in the 8cm+ range. Again I'd estimate winds of around 110km/h based on the damage at the farm. Later that day (2pm-ish), a large storm formed on the dryline which was situation near Taroom (about 200km inland from the coast at a guess) and moved ENE. I intercepted this storm near Munduberra and chased it briefly before it overtook me and I was blocked by flooded roads. Some fantastic structure was had this day and evening - its just a pity the storms were moving at 70+km/h. Hail up to the size of golf-balls was reported with this storm. Reports from one other storm to the N of this one later in the day indicated possible tornadic activity with a narrow, lengthy path of damage (i'll see if I can dig up the details).
Surface temps were around 30C with DP's around 20-21C and 500mb temps were around -14C I think. In the morning, the lowest 2km of the atmosphere saw 30+knt winds from the NNE, swinging around to 30-40knts at 700mb from the NW and 50-60knts at 500mb from the WNW. As the day moved on and the dryline pushed eastwards (and moreso further S), the low level winds swung more NW'ly (although maintained their strength), thus shear wasn't as good later in the day. This possibly prevented (more) tornadic activity this day as all the other parameters were there.
I'll dig up some more data at some stage over the weekend. The warm front "thing" was of quite a bit of interest as I think it aided in the early morning storm development and also the supercell/s which developed W of, and moved across Brisbane.
Macca
Edit: Here is a picture of one of the cells that evening. Of interest is the inflow band that you can see extending across the full length of the frame JUST above the grass. This went right into the base of the storm. You don't see that too often here in Australia!!
http://macca.bsch.au.com/gallery/album14/IMG_0023
