Discover and read the best of Twitter Threads about #invest96s
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#ExtremeWeather TS #Emnati Update:
After a night of explosive convection and organisation What was #96s #Invest96s or #TD5 is now #TSEmnati - and forecast to become - like #Batsirai an Intense Tropical Cyclone on Sunday packing Cat3 Hurricane intensity winds of 185kmh.
After a night of explosive convection and organisation What was #96s #Invest96s or #TD5 is now #TSEmnati - and forecast to become - like #Batsirai an Intense Tropical Cyclone on Sunday packing Cat3 Hurricane intensity winds of 185kmh.
And the good news is that JTWC - [metoc.navy.mil/jtwc/jtwc.html… website seems to be back online. They were missed. Here is the latest official track forecast issued by JTWC Pearl Harbour this morning at 3:00Z (UTC). This storm can now be considered to be a major threat to Madagascar. 
The forecast track is almost identical to that of #Batsirai, which has left over 120 Malagasy dead, destroyed and damaged 10s of thousands of homes and buildings. Flooded areas have not even drained yet.
#ExtremeWeather Update Thread: Madagascar #Invest96S
The JTWC is now saying there is a "High" probability of #Invest96S will become a TC within the next 24 hours.
The JTWC @USNavy @USNRL website [Here: metoc.navy.mil/jtwc/jtwc.html] remains inaccessible.
The JTWC is now saying there is a "High" probability of #Invest96S will become a TC within the next 24 hours.
The JTWC @USNavy @USNRL website [Here: metoc.navy.mil/jtwc/jtwc.html] remains inaccessible.
@USNavy @USNRL While we do not have a JTWC track forecast yet, we do have a new forecast. the relevant part for #96s is in the 2nd image here and contains reasoning as to why:
"THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO HIGH."
"THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO HIGH."
Here's a current 24h animation of the storm, at the end you see the center of circulation is fully exposed. The storm is moving fairly fast and is being blown westwards by winds which are creating a lot of shear - which prevents development.
This #ExtremeWeather thread on #Invest96s in the Indian Ocean is a weird one.
It began with apparent cancellation of the designation of two colliding tropical disturbances by the #JTWC (Joint Typhoon Warning Center) last night, followed by its re-designation this afternoon.
It began with apparent cancellation of the designation of two colliding tropical disturbances by the #JTWC (Joint Typhoon Warning Center) last night, followed by its re-designation this afternoon.
The re-designation wasn't by JTWC - which is having website outage issues - but rather by the RSMC, the local meteorological authorities in the Reunion & @meteofrance
"***************CORRECTIVE**************
RSMC / TROPICAL CYCLONE CENTER / LA REUNION"
"***************CORRECTIVE**************
RSMC / TROPICAL CYCLONE CENTER / LA REUNION"
If #Invest96s becomes a cyclone and intensifies, models indicate it will become the fourth cyclone to strike Madagascar in two months - possibly as the 2nd major cyclone.
It would follow #StormAna #Batsirai & #Dumako which made landfall in the north of Madagascar today.
It would follow #StormAna #Batsirai & #Dumako which made landfall in the north of Madagascar today.
#ExtremeWeather Update:
The JTWC @USNavy run portal for Global surveillance/tracking of dangerous cyclones - seems to be out of action, inaccessible via the web, again.
Just as a third tropical storm is making landfall on Madagascar in the space of a month. @USNRL @WMO
The JTWC @USNavy run portal for Global surveillance/tracking of dangerous cyclones - seems to be out of action, inaccessible via the web, again.
Just as a third tropical storm is making landfall on Madagascar in the space of a month. @USNRL @WMO
The Joint Typhoon Warning Center website is here >> metoc.navy.mil/jtwc/jtwc.html
It has been unreliable for several months normally it looks like the 2nd image here below (image src: cyclocane.com - which aggregates cylone/storm data)
It has been unreliable for several months normally it looks like the 2nd image here below (image src: cyclocane.com - which aggregates cylone/storm data)
Tropical Depression 96S (see previous tweet) is the storm that is currently forecast by most models to develop into a dangerous cyclone threatening Madagascar and possibly SE Africa.
The storm was removed from the watch list yesterday morning - then reinstated this afternoon.
The storm was removed from the watch list yesterday morning - then reinstated this afternoon.
@VortixWx
Hi. Something seems to be up with the JTWC website and data feed. And without track data, it looks like the floaters are not actually floating on 96s and 97s. 93s appears to have been discontinued.
Hi. Something seems to be up with the JTWC website and data feed. And without track data, it looks like the floaters are not actually floating on 96s and 97s. 93s appears to have been discontinued.
@VortixWx Not only is the JTWC website in accessible - and not just to me (I'm wondering if its a DDOS attack) but it now looks as if the automated data feeds may also be not working.
@VortixWx Hi @zoom_earth, I am trying to track down a possible data outages at JTWC. Previous thread tweet shows the site is not accessible (which is not unusual).
You have no track data for #Invest97s which appears to have developed quite a bit.
You have no track data for #Invest97s which appears to have developed quite a bit.
Madagascar #ExtremeWeather Thread:
Yet another Indian Ocean Tropical Storm, #Dumako is forecast to make landfall in Madagascar in the next 24 hours.
And at around the same time models suggest a more dangerous Tropical Cyclone may form following closely behind.
Yet another Indian Ocean Tropical Storm, #Dumako is forecast to make landfall in Madagascar in the next 24 hours.
And at around the same time models suggest a more dangerous Tropical Cyclone may form following closely behind.
#Dumako is a relatively minor storm and is forecast to weaken on its approach but as you can see here, simulations are pointing to a more dangerous storm following closely in Dumako's wake.
The new cyclone is modelled to form as #Invest93s & #Invest96s merge.
The new cyclone is modelled to form as #Invest93s & #Invest96s merge.
At this stage this formation event is just a possibility, but if it does take place landfall will follow fairly quickly afterwards, and at the moment its track over Madagascar looks very similar to that of #Batsirai which killed over 100 people and destroyed around 100,000 homes.
