リッキー・カーマイケルのインスタグラム(rickycarmichael) - 9月7日 03時05分

Prepare now #Repost @noaasatellites
GOES-16 captured this visible-infrared "sandwich" animation of Hurricane Irma closing in on the Virgin Islands earlier today, September 6, 2017.

According to the latest information from NOAA's National Hurricane Center (issued at 11:00 am eastern), Irma was located about 65 miles east-southeast of St. Thomas (about 140 miles east of San Juan Puerto Rico) and moving toward the west-northwest near 16 miles per hour. This general motion is expected to continue for the next couple of days. As for the forecast, the extremely dangerous core of Irma is expected to move over portions of the northern Virgin Islands soon, pass near or just north of Puerto Rico this afternoon or tonight, pass near or just north of the coast of the Dominican Republic Thursday (9/7), and be near the Turks and Caicos, and southeastern Bahamas late Thursday.

Irma, a category 5 storm, has maximum sustained winds near 185 mph with higher gusts. Although some fluctuations in intensity are likely during the next day or two, Irma is forecast to remain a powerful category 4 or 5 hurricane during the next couple of days.

Created by our partners at the Cooperative Institute for Research in the Atmosphere, this kind of imagery is known as a "sandwich product" because it combines imagery from two of the the 16 spectral channels offered by GOES-16's Advanced Baseline Imager: Band 2 (a visible band) and Band 13 (an infrared band). During processing, the transparency of the infrared band is increased and laid on top of the visible band. The result, as seen here, is imagery that offers spectacular views of storm attributes in rich detail. For example, the green, yellow, and red areas in this animation show the temperatures of cloud tops within the hurricane. The brighter colors indicate colder cloud tops, which indicate areas of greater storm intensity.Please note: GOES-16 data are currently experimental and under-going testing and hence should not be used operationally.

For the latest information on Hurricane Irma, including storm-related hazards likely to affect land, visit the National Hurricane Center's website at www.nhc.noaa.gov. #NOAA #NOAASatellites #Irma

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