The launch of the Pixel Tablet and Fold additionally brings a Material You redesign of Google Weather. This revamp, which can later come to different units, options “Google Nowcast” for extra correct rain, hail, and snow predictions.
Google confirmed to us at the moment that it’ll deliver the brand new Weather expertise to extra units sooner or later however has no particulars about timing simply but. At the second, it’s taking in consumer suggestions from the revamp’s preliminary launch on the Pixel Tablet and Fold to refine the design. On these two units, it’s accessible in 26 languages.
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Google Nowcast
Besides the brand new design for Weather, one main addition is “Google Nowcast” for extra exact predictions about rain, hail, and snow taking place within the subsequent 12 hours.
These short-term forecasts are primarily based on Multi-Radar/Multi-Sensor System (MRMS) and High-Resolution Rapid Refresh (HRRR) information from the National Oceanic and Atmospheric Administration, in addition to different sources. This Nowcast information is refreshed a number of instances per hour.
When there’s an lively or upcoming steady precipitation occasion, Google will present a brand new part above the hourly forecast carousel. In the instance beneath, the “Rain starting soon” card notes, “Light to heavy rain from 8:32 AM to 12:36 PM.” The card additionally features a timeline exhibiting whether or not it will likely be gentle, medium, or heavy.
Google gained’t floor Nowcast if there’s no rain, hail, or snow within the forecast, or if there’s uncertainty. For longer-term forecasts, Google remains to be utilizing information from climate.com.
Google Nowcast is obtainable when looking for climate within the continental US (English solely) from a cell system, together with the brand new Weather expertise on the Pixel Tablet and Fold, in addition to the online.
This is considerably harking back to Dark Sky and now Apple Weather offering “minute-by-minute precipitation intensity over the next hour.” However, Google’s as much as 12-hour forecasts may provide a marked enchancment.
In 2020, the corporate detailed its ML analysis on “nowcasting” to raised forecast localized rain storms and different short-term climate occasions that aren’t well-served by earlier strategies.
Google’s strategy makes use of radar information and treats climate prediction as a pc imaginative and prescient downside. Neural community find out about “atmospheric physics from the training examples alone, not by incorporating a priori knowledge of how the atmosphere actually works.”
One of the benefits of the ML methodology is that predictions are successfully instantaneous, that means that our forecasts are primarily based on contemporary information, whereas HRRR is hindered by computational latency of 1-3 hours. This results in higher forecasts for pc imaginative and prescient strategies for very quick time period forecasting.
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