i ended up with just on 40mm from that system,,fantastic. health of plantlife around my joint really hanging on. hows some joint in portugal today , 610mm in last 24 hrs , gotta be getting damp underfoot there.
Not exactly SE QLD related...but I wanted to share.
My Astronomy colleague gave me permission to share some pictures of the Sun he took today , optical telescope using special light filters.
Awesome pics @Rays74 ... love it. I've always been curious though, are they from the astronomy section from USQ? I used to study on campus there awhile back and astronomy was also one of my subjects.
On the subject of sun-related things, I saw some nice iridescence in the clouds as the sun was starting to set so I took these pics just before. Not the best examples but was still nice to look at.
I am somewhat perplexed by the himawari satellite water vapour image in first pic below which is 1800 AEST time today (0800 UTC). I interpret it as showing some moisture above SEQ and to the south west of us.
Second pic below is the EC 00z forecast total precipitable water for the same time - it shows dry air.
Third pic show GFS integrated water vapour transport 00z forecast for 4pm today - it shows not much moisture feed into our region or west of us.
It makes me wonder if the WV image has some bias from cold air, or is showing cold air that may be colder than the forecasts?
Thanks Ken. Very informative explanation.That's simply because moisture in mid to upper levels tends to show up a lot better on water vapour imagery than lower down. WV imagery essentially picks up the temps around the tops of layers of moisture so if that moisture's up high like it is now (or there's tall convection), it'll show up really well due to it being cold up there. Even just a limited amount of moisture within a thin layer in the upper levels shows up well.
But because the upper moisture at the moment is only in a thin layer and the rest of the atmospheric column is really dry, it makes little difference to the precipitable water values which apply to the entire atmospheric column or the IVT values which also apply to a big depth of the atmosphere.
That also makes me wonder about emerging technologies for detecting precipitable water at lower levels in real time. I have seen some scientific literature in recent years about processing of GPS signal transmissionsThat's simply because moisture in mid to upper levels tends to show up a lot better on water vapour imagery than lower down. WV imagery essentially picks up the temps around the tops of layers of moisture so if that moisture's up high like it is now (or there's tall convection), it'll show up really well due to it being cold up there. Even just a limited amount of moisture within a thin layer in the upper levels shows up well.
That also makes me wonder about emerging technologies for detecting precipitable water at lower levels in real time. I have seen some scientific literature in recent years about processing of GPS signal transmissions
to estimate TPW but I can’t recall reading details of specific strengths and weaknesses of GPS methods at different levels.
If satellite can provide a reasonable estimate of high moisture and other technology could provide reasonable estimates of lower moisture it may provide an opportunity for hybrid weather monitoring technology to be a better source of intelligence?
I see some chat about usa having a brutal winter now Argentina and Brazil just had a freeze.
Is Australia next for a huge cold blast
Models again showing some rain for Friday? @WarwickEye2Sky would probably be best placed to give you the report, but a lot of farmers need some dryer weather for a while around Warwick. Speaking to a bloke on Friday who couldn't get into his paddock to plant his onions!! The Condamine was definitely up yesterday.
Quart Pot Creek was swollen. Great to go to sleep with the sound of it running. Neg 1.1 min at my place this morning.Great pic Sandbank. Yes, I have heard that from several people here that we need to dry out a bit. Even firewood is in short supply as the paddocks are too wet to access the wood. Looks like 10-20mm here for Friday. After that, we may get a couple of weeks to dry out as it looks like we will be in mostly a zonal flow. I think Ken might have alluded to this a short time ago.
Love 9 news head line
MAJOR RAIN EVENT SET TO HIT QLD AND NSW
Really like WTF. Media are numptys arnt they
How to detect fake weather news:HaHa the media are full of it.Do they not look at the latest forecast from the BOM.Idiots come to mind
looks like Sydney might cop a hammering - keep everybody indoors?
Been getting some drizzly showers here.
1st image - Multimodel wind gusts for Brisbane over the next few days. The W to SW flow could become quite gusty at times by the middle of the day on Saturday but how strong will depend on how the behaviour of the low that’s expected to form and rapidly intensify off the NSW coast.
2nd image – EC/GFS/ICON consensus map for greater than 25mm of rainfall within the next 5 days.
3rd image – GEFS probability of precip map for Friday (between 4am Fri and 4am Sat in this case due to datafeed problems with the 3-hourly data).
4th image – GFS accumulating rainfall amounts for 5 x 5 gridpoints (total of 25) within a box surrounding Brisbane, lagged over the past 4 runs. This equates to a total of 100 individual forecasts in that area for the next couple of days.
5th image – EC precip and wind animation.
I have been aware of the term north west cloud band for several years, and it being the probably the more common form of atmospheric river for Australia. They typically help rainfall in southern areas and not consistent for our region. But in the last year or so I have observed their orientation coming more up our way.
Check out the orientation of this GFS forecast moisture feed (IVT) for about a week away.
if this sort thing happens more often they may need to form a new term “west cloud band”