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NZ #ExtremeWeather Update Thread.
What was Tropical #CycloneDovi has fallen apart and is now more like a front. Overnight a lot of rain has fallen over central NZ Sth and Nth islands.
But the rain event will soon come to an end.
IMAGE: IR satellite image of remains of #Dovi.
What was Tropical #CycloneDovi has fallen apart and is now more like a front. Overnight a lot of rain has fallen over central NZ Sth and Nth islands.
But the rain event will soon come to an end.
IMAGE: IR satellite image of remains of #Dovi.
Heavy rain over northern parts of NZ now looks unlikely. This animation shows model predictions (ECMWF model) of rain fall from 6pm last night NZ time through to Monday 6pm.
In this 24 hour @Metservice rain radar animation - from 4pm Saturday through to 4am this morning, a lot of this rain has already fallen. The forecast indicates it will continue to move northwards, but it appears to be weakening.
Tropical Cyclone #Dovi #CycloneDovi has an amazing satellite presentation this morning. This is consistent with the latest JTWC forecasts indicating the cyclone strengthening rapidly over the next 24 hours. 
12 hour satellite animation of Tropical Cyclone Dovi up to 9.20 am this morning.
Quoted thread contains latest updated information on the cyclones track, intensity and impact.
Quoted thread contains latest updated information on the cyclones track, intensity and impact.
A closeup of the last six hours....
#NZ #ExtremeWeather Update thread:
The latest JTWC update has Cyclone Dovi strengthening to 96 knots of sustained winds, putting it on the threshold of Category 3 Hurricane Strength.
The latest JTWC update has Cyclone Dovi strengthening to 96 knots of sustained winds, putting it on the threshold of Category 3 Hurricane Strength.
While #CycloneDOVI is very unlikely to maintain anything close to this all the way to NZ, this is not good news for the Nth Island in rain/flooding terms.
[Image: 24 hour satellite animation of #Dovi featuring New Caledonian radar data showing an intense well formed eyewall.]
[Image: 24 hour satellite animation of #Dovi featuring New Caledonian radar data showing an intense well formed eyewall.]
Outflow of moisture - an atmospheric river - generated by #CycloneDovi is already delivering intense rains in NZ in a band which is steadily moving northwards.
A strengthening #Dovi will increase the amount of moisture in this river.
A strengthening #Dovi will increase the amount of moisture in this river.
#KiwiDeluge Phase 2 begins.
#ExtremeWeather update thread
Cyclone 92p has now formed north east of New Caledonia and here you can see in the satellite imagery how an atmospheric river generated from its outflows is strengthening and heading towards NZ's West Coast.
#ExtremeWeather update thread
Cyclone 92p has now formed north east of New Caledonia and here you can see in the satellite imagery how an atmospheric river generated from its outflows is strengthening and heading towards NZ's West Coast.
Whilst the formation of a Cyclone in this position has been predicted in the models for a long time, its formation is uncertain until it happens, and a critical point in the unfolding story of this #KiwiDeluge.
In this animation you can see the circulation form and its size.
In this animation you can see the circulation form and its size.
Towards the end of the animation you can also see that it has started to move south eastwards, also as predicted.
This animation shows the broader picture across the tropics, an area on the RHT here (roughly over Tonga) is also playing an important role in this.
This animation shows the broader picture across the tropics, an area on the RHT here (roughly over Tonga) is also playing an important role in this.
