hurricane douglas 2020 update

NASA’s expertise in space and scientific exploration contributes to essential services provided to the American people by other federal agencies, such as hurricane weather forecasting. Recent microwave images confirm that the cyclone is tilted to the north with height, due to southerly vertical wind shear. Hurricane Douglas is a major hurricane tracking through the Central Pacific Ocean on a forecast track to Hawaii. On the forecast track, Hurricane Douglas will pass dangerously close to the main Hawaiian Islands later today.”. NOAA’s CPHC said, “Large seas and swells generated by Douglas will impact portions of the Papahanaumokuakea Marine National Monument west of Maro Reef through Wednesday. On July 21 at 6 a.m. a.m. EDT (1000 UTC), the Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA’s Aqua satellite analyzed Douglas’ cloud tops in infrared light. For updated forecasts. Another is that this path mostly put the island chain near the southwest quadrant of the storm, which is often less destructive than the northeast and the right side of a hurricane's eye, Lau said. CNN meteorologist Tom Sater has the latest update. Douglas quickly moving away from state as stubborn Cat 1 hurricane Kauai spared a direct hit from Douglas, but some areas feeling effects By HNN Staff | July 20, 2020 at 5:31 PM HST - … Hurricane Douglas arrived in the Central Pacific basin July 24 as a Category 4 major hurricane with maximum sustained wind of 130 mph (209 kph). Each level needs to be stacked on top each other vertically in order for the storm to maintain strength or intensify. A police officer uses a plywood board to push beach debris off the road in Kaaawa, Hawaii, on July 26, 2020, ahead of Hurricane Douglas, which was causing ocean swells in certain areas around Oahu with water washing up on some roads. Each level needs to be stacked on top each other vertically in order for the storm to maintain strength or intensify. Note that former tropical cyclones that have become fully extratropical… as well as remnant lows…are two classes of post-tropical cyclones. The estimated minimum central pressure was 967 millibars. Tropical cyclones are like rotating cylinders of winds. On July 30 at  0105 UTC  (July 29 at 9:05 p.m. EDT), the Moderate Resolution Imaging Spectroradiometer or MODIS instrument that flies aboard NASA’s Aqua satellite gathered infrared data on Douglas that confirmed wind shear had reduced the storm to a post-tropical low pressure area. Rainfall was expected to be between 3 to 6 inches, with locally higher amounts possible. Up Next. Forecasters said a hurricane warning was canceled for Oahu but remained in effect for Kauai County, including the islands of Kauai and Niihau, which could still be hit by the system with strong wind gusts and rough surf. The estimated minimum central pressure is 954 millibars. For updated forecasts, visit: www.nhc.noaa.gov. Hurricane Douglas Hawaii - Sunday Morning 5 a.m. Update (July 26, 2020) Watch later. On July 26, NOAA’s Central Pacific Hurricane Center or CPHC warned that “Dangerous Hurricane Douglas is closing in on the Hawaiian Islands.”. UPDATE: The latest information on Douglas (BIVN) – Hurricane Douglas is 280 miles east of Hilo, moving west northwest at 16 mph. "Maui has skirted so many hurricanes," she said. What little dry air there was, stretched across the northern portion of the circulation, which was limiting the amount of deep convection wrapping around that part of the eye. Douglas is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. A Tropical Storm Warning is in effect for Hawaii County, Maui County, including the islands of Maui, Lanai, Molokai and Kahoolawe. This was supported by the Advanced Microwave Scanning Radiometer 2 (AMSR2) instrument (that also flies aboard Suomi NPP) data taken roughly 20 minutes earlier, which also seemed to show an exposed circulation on the southeast side.”, CPHC Hurricane forecaster Thomas Birchard said in the July 26 discussion, “Worth noting is that the data also indicate that the low-level center is south of the center that is seen in conventional satellite imagery. For updated forecasts, visit: www.nhc.noaa.gov, For past NASA updates on Douglas visit: https://blogs.nasa.gov/hurricanes/tag/douglas-2020/. © 2020 The Associated Press. The estimated minimum central pressure is 998 millibars. Updated 11 p.m.: Hurricane Douglas now 100 miles northwest of Honolulu Hurricane warnings lifted for Oahu, Maui County Local News. Forecasters noted that Douglas’ overall appearance has changed little over the early morning hours on July 22. Updated 1:28 PM ET, Thu July 23, 2020 (CNN) Douglas has rapidly intensified into a Category 3 hurricane on Thursday with wind speeds of 120 mph. The strong wind shear that weakened Douglas to a tropical storm early on July 29 has further weakened it to a post-tropical low-pressure area. NOAA’s National Hurricane Center defines a post-tropical cyclone as a former tropical cyclone. Douglas has not intensified to hurricane status because dry air is affecting the eastern portion of the cyclone’s circulation and preventing thunderstorm development. It was centered near latitude 24.7 degrees north and longitude 175.4 degrees west. Hurricane Douglas strengthened to a Category 4 storm as the tropical cyclone neared the Central Pacific Thursday evening. On July 24 at 6:30 a.m. EDT (1030 UTC), the Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA’s Aqua satellite gathered temperature information about Hurricane Douglas’ cloud tops. Additional strengthening is forecast during the next several days, and Douglas could become a hurricane later today. visit: www.nhc.noaa.gov, By Rob Gutro UPDATE - 5 p.m. July 25 Hurricane Douglas continues to move west-northwest toward Hawaii. NASA’s Goddard Space Flight Center. Post-tropical cyclones can continue carrying heavy rains and high winds. The VIIRS instrument cloud top temperatures around the eye were as cold as 210 Kelvin (minus 81.6 degrees Fahrenheit (minus 63.1 Celsius), indicating powerful storms. Copyright © 2020 CBS Interactive Inc. All rights reserved. A Tropical Storm Warning has been issued for Kaua'i County. NASA’s Aqua satellite uses infrared light to analyze the strength of storms by providing temperature information about the system’s clouds. That is about 485 miles (780 km) east of Hilo, Hawaii. Be in the know. "I've seen a lot worse," said Stevens, who's lived on Maui since 1987. 500 AM HST Fri Jul 24 2020 Douglas remains a powerful hurricane early this morning, although the satellite presentation has degraded quite a bit since last evening, with eye of the tropical cyclone now nearly completely cloud filled. Hurricane Douglas is quickly approaching Hawaii. On July 29, a Tropical Storm Warning is in effect for portions of the Papahanaumokuakea Marine National Monument from Maro Reef to Lisianski. NASA’s Terra satellite uses infrared light to analyze the strength of storms by providing temperature information about the system’s clouds. The estimated minimum central pressure is 1010 millibars. At 5 a.m. EDT (0900 UTC) on July 29/11 p.m. HST on July 28, NOAA’s Central Pacific Hurricane Center (CPHC) in Honolulu, Hawaii noted, “Due to persistent southerly vertical wind shear, Douglas has been devoid of deep convection for nearly 24 hours, and it appears that it will soon be a post-tropical remnant low.”. Satellite imagery also shows the low-level circulation center became exposed. If it makes landfall as a hurricane, it will be only the third hurricane to make landfall in Hawaii. The National Hurricane Center’s key about Douglas is that the storm is expected to move near or over portions of the Hawaiian Islands this weekend, and there is an increasing chance that strong winds, dangerous surf, and heavy rainfall could affect portions of the state beginning Saturday night or Sunday. On July 28, NOAA’s Central Pacific Hurricane Center (CPHC) continued posting warnings and watches. The 2020 Atlantic and Pacific hurricane seasons, at least technically, came to an end Nov. 30, and what a season it was. NOAA’s Central Pacific Hurricane Center (CPHC) issued the final advisory on Douglas on July 29 at 11 a.m. EDT (5 a.m. HST/1500 UTC). Strong wind shear has been the undoing of Tropical Storm Douglas. Hawaiian Airlines canceled all Sunday flights between Hawaii and the U.S. mainland and also between the islands. Share. UPDATE: 8 PM HST Friday, July 24, 2020 Major Hurricane Douglas is still moving toward Hawai‘i and is about 610 miles east-southeast of Hilo. Tropical Depression 8E developed on July 20 and quickly organized into a tropical storm. Maximum sustained winds are near 90 mph (150 kph) with higher gusts. Maximum sustained winds are near 90 mph (150 kph) with higher gusts. Lau said Douglas would have been a lot worse had its track been 20 or 30 miles to the south. A tropical cyclone consists of hundreds of thunderstorms. Warnings in Effect for Douglas on July 28. Imagery from NASA’s Terra satellite was used to create an animation showing Douglas’ movement past the Hawaiian Islands. NASA brings together technology, science, and unique global Earth observations to provide societal benefits and strengthen our nation. Jul 25, 2020 Forecasters expect the storm to … The strongest thunderstorms that reach high into the atmosphere have the coldest cloud top temperatures. A Tropical Storm Watch is in effect for portions of the Papahanaumokuakea Marine National Monument from Nihoa to French Frigate Shoals. That is what wind shear does. Cloud top temperatures that cold indicate strong storms with the potential to generate heavy rainfall. Despite the dangers, surfers rode waves and residents took selfies at a lookout point next to the ocean. At 1100 AM HST (2100 UTC), the center of Hurricane Douglas was located near latitude 17.0 North, longitude 143.5 West. When outside winds batter a storm, it can change the storm’s shape and push much of the associated clouds and rain to one side of it. Honolulu — Hurricane Douglas gained some strength and began to spin away from many of the Hawaiian Islands as it skirted the state late Sunday. NASA’s Goddard Space Flight Center. On Sunday, July 26, 2020 warnings and watches pepper Hawaii as Hurricane Douglas approaches. NASA’s Terra satellite provided infrared data to find that the strongest storms were displaced from the center as the storm weakens. A surfer hits the waves in Hauula, Hawaii, on July 26, 2020, before the expected arrival of Hurricane Douglas. Hurricanes/tropical cyclones are the most powerful weather events on Earth. Douglas is moving toward the west-northwest near 16 mph (26 kph), and this general motion is expected to continue for the next couple of days. This material may not be published, broadcast, rewritten, or redistributed. On July 25 at 5 a.m. EDT (0900 UTC) Hurricane Douglas was a strong Category 2 storm with winds near 110 mph. People will have to wear face coverings to be admitted, and will have to wear them unless they are eating, drinking or sleeping. Douglas is moving toward the west-northwest near 18 mph (30 kph), and this motion is expected to continue for the next few days with a gradual decrease in forward speed and a slight turn toward the west. At 8 a.m. EDT (2 a.m. HST/1200 UTC), the center of Tropical Storm Douglas was located near latitude 24.7 degrees north and longitude 174.3 degrees west. NASA’s Terra Satellite Reveals Effects of Wind Shear. Wind shear had sapped the strength of the storm and prevented strong thunderstorms from forming. The estimated minimum central pressure is 983 millibars. Interests in the Hawaiian Islands should monitor the progress of Douglas. Douglas is moving toward the west-northwest near 18 mph (30 km/h). Gradual weakening is forecast to begin by early Friday. Douglas is moving toward the west-northwest near 17 mph (28 kph), and this general motion will continue the next couple of days, with a slight turn toward the west. At 5:54 p.m. EDT (2154 UTC), the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument aboard Suomi NPP revealed that the storm developed an eye. MODIS found powerful thunderstorms where temperatures were as cold as or colder than minus 70 degrees Fahrenheit (minus 56.6 Celsius) around the center and in a thick band of thunderstorms north of the center. Douglas is moving toward the west near 15 mph (24 km/h). July 26, 2020. Maximum sustained winds are near 35 mph (55 kph) with higher gusts. Douglas was a Category 4 hurricane on July 24. Infrared data provides temperature information, and the strongest thunderstorms that reach high into the atmosphere have the coldest cloud top temperatures. Status of Tropical Storm Douglas on July 28, 2020. “There continued to be no mesospheric waves, which is not surprising given the gradual degradation of the storm,” said William Straka III, Researcher at the University of Wisconsin – Madison, Space Science and Engineering Center (SSEC), Cooperative Institute for Meteorological Satellite Studies (CIMSS). Infrared NASA satellite imagery revealed that Tropical Storm Douglas contained strong storms and showed banding of thunderstorms around its center. So we want people to really remain vigilant and stay prepared, at least for tonight," Eric Lau, a meteorologist with the National Weather Service in Honolulu said Sunday. A turn toward the west-northwest along with an increase in forward speed is forecast to occur by late Wednesday. Hurricane-force winds extend outward up to 30 miles (45 km) from the center and tropical-storm-force winds extend outward up to 90 miles (150 km). Info. Status of Tropical Storm Douglas on July 28, 2020 At 8 a.m. EDT (2 a.m. HST/1200 UTC), the center of Tropical Storm Douglas was located near latitude 23.8 degrees north and longitude 165.7 degrees west. Antonia Hall, of Kihei, in west Maui, said the storm avoided her area, although she and others were prepared for the worst. A Hurricane Warning is in effect for portions of the Papahanaumokuakea Marine National Monument from Nihoa to French Frigate Shoals. "We were really playing with a really fine line, a razor thin line between what we've experienced today compared to what we could have experienced," he said. "It's still not out of the realm of possibilities. The is a previous version of our forecast for Hurricane Douglas. At NASA’s Goddard Space Flight Center in Greenbelt, Md. In the nighttime view, the waxing crescent moon (27% illumination) was still low enough with the features in the Suomi NPP Day Night Band were illuminated by airglow. This generic term describes a cyclone that no longer possesses sufficient tropical characteristics to be considered a tropical cyclone. West of the dateline is the western Pacific Ocean. A Tropical Storm Warning is in effect for portions of the Papahanaumokuakea Marine National Monument from French Frigate Shoals to Maro Reef. NOAA’s Central Pacific Hurricane Center (CPHC) posted several updates to the warnings on July 27. On the forecast track, Douglas will be near the main Hawaiian Islands Saturday night through Sunday night. That is about 40 miles (60 km) east of French Frigate Shoals, and about 525 miles (845 km) west-northwest of Honolulu, Hawaii. using the NASA Worldview platform, an animation was created to show Douglas over four days. That puts Douglas’ center about 190 miles (300 km) east of Kahului, Hawaii and 285 miles (460 km) east of Honolulu, Hawaii. Every one of those indicated they would shelter-in-place and not seek refuge at a hurricane shelter. Maximum sustained winds have increased to near 65 mph (100 kph) with higher gusts. Visible satellite image of Hurricane Douglas (top left) northwest of Hawaii at 1600Z (8 a.m. Hawaii Standard Time) on Monday, July 27, 2020. By Rob Gutro Copy link. Maximum sustained winds are near 110 mph (175 kph) with higher gusts. First published on July 27, 2020 / 2:34 AM. Progressives see chance to rebalance courts with Biden in White House. Gradual weakening is expected to begin today, July 24, and continue through the weekend. Douglas was moving toward the west near 23 mph (37 km/h), and this general motion is expected to continue until Douglas crosses the International Date Line in about 24 hours. At 5 a.m. HST on Friday, July 24, 2020, the center of Hurricane Douglas was located 895 miles ESE of Hilo, Hawaiʻi (near latitude 16.4 North, longitude 141.9 West). Established in 1884, the International Date Line passes through the mid-Pacific Ocean and generally follows a 180 degrees longitude north-south line on the Earth. The estimated minimum central pressure is 973 millibars. Early on July 22, Douglas was still a tropical storm. NASA’s Terra satellite imagery showed the storm’s track as it moved just north of the islands. At 8 a.m. EDT (2 a.m.’s/1200 UTC), on July 25, NOAA’s Central Pacific Hurricane Center said the center of Hurricane Douglas was located near latitude 18.7 degrees north and longitude 147.7 degrees west. California to impose regional stay-at-home orders amid virus surge, Georgia couple facing eviction as housing protections set to expire, California Privacy/Information We Collect. However, Douglas is still forecast to be near hurricane strength when it nears the islands. By 11 a.m. EDT (1500 UTC) it had strengthened into a hurricane. By July 23 at 5 a.m. EDT (0900 UTC), Douglas had rapidly intensified into a major hurricane. https://www.cbsnews.com/news/hurricane-douglas-hawaii-miss-oahu For three consecutive days through Saturday, Hawaii reported record highs of newly confirmed cases. Those storms had cloud top temperatures as cold as minus 50 degrees Fahrenheit (minus 45.5 Celsius). Beyond 36 hours, the combination of cooler SSTs and dry air should cause Douglas to slowly weaken.”. Strengthening is forecast during the next couple of days, and Douglas is expected to become a hurricane on Wednesday, July 23. Douglas is moving toward the west-southwest near 15 mph (24 kph). Tropical cyclones are made up of hundreds of thunderstorms, and when there are no strong storms present in satellite imagery, it is a sure sign of weakening. The Central Pacific Hurricane Center has posted warnings for Douglas. Tap to unmute. Wind shear occurs when outside winds batter a storm and change the storm’s shape pusing much of the associated clouds and rain to one side of it. Using visible imagery from the Visible Infrared Imaging Radiometer Suite (VIIRS) instrument aboard NASA-NOAA’s Suomi NPP satellite, an animation shows the intensification and movement of Hurricane Douglas from July 20 to July 24 in the Eastern Pacific Ocean. Can your employer force you to get a COVID-19 vaccine? Aqua found several areas of strong storms around the center of Douglas’ circulation and in broken bands of thunderstorms wrapping into that low-level center. NOAA’s CPHC noted at 8 a.m. EDT (2 a.m. HST/1200 UTC) on July 26, the center of Hurricane Douglas was located by Hurricane Hunter aircraft near latitude 20.5 north, longitude 153.6 west. At 10 a.m. EDT (1500 UTC), the center of Tropical Storm Douglas was located near latitude 12.4 degrees north and longitude 124.2 degrees west. The storm is now a Category 2 hurricane and warnings were posted on July 25, 2020 as the storm approaches. The west-northwestward motion is forecast to continue at least through Saturday. Persistent south to southwest vertical wind shear showed strongest storms were pushed north and northeast of the center. A Hurricane Hunter aircraft, which is currently flying in Douglas, indicated it had intensified slightly earlier this evening. A Hurricane Watch is in effect for Hawaii County, Maui County, including the islands of Maui, Lanai, Molokai and Kahoolawe and Oahu. Rainfall associated with Douglas will impact portions of the Papahanaumokuakea Marine National Monument west of Maro Reef through Wednesday.”. Infrared data provides temperature information, and the strongest thunderstorms that reach high into the atmosphere have the coldest cloud top temperatures. For more than five decades, NASA has used the vantage point of space to understand and explore our home planet, improve lives and safeguard our future. Andrew Latto, hurricane specialist at NOAA’s National Hurricane Center noted, “Douglas continues to look impressive in satellite images, with a clear eye and symmetric convection in all quadrants.”. NOAA’s CPHC forecast calls for “Some slow weakening is forecast during the next 48 hours, but Douglas is expected to remain near hurricane intensity as it passes near, or over, the islands. Straka provided the nighttime and infrared images. The National Hurricane Center (NHC) noted that Douglas’ center is also now embedded beneath a central dense overcast (a large central area of thunderstorms surrounding its circulation center) in infrared imagery, near an area of cold overshooting cloud tops. NASA’s Aqua satellite used infrared light to identify strongest storms and coldest cloud top temperatures and found them surrounding the eyewall of the powerful hurricane. Southwesterly wind shear was pushing the bulk of Douglas’ clouds to the north-northeast of the center. NHC forecaster Robbie Berg said, “The low-[wind]shear, warm sea surface temperature environment within which Douglas is moving is a recipe for continued strengthening, potentially at a rapid rate, for the next 48 hours.”. Maximum sustained winds are near 130 mph (215 kph) with higher gusts. The shape of a tropical cyclone provides forecasters with an idea of its organization and strength. NHC forecasters note that some additional strengthening is possible on Thursday. That is about 1,470 miles (2,365 km) east-southeast of Hilo, Hawaii. July 26, 2020. Those storms had cloud top temperatures as cold as minus 50 degrees Fahrenheit (minus 45.5 Celsius). This motion is expected to continue through Saturday, followed by a slight decrease in forward speed and a turn toward the west. Within 12 hours, 8E had strengthened into a tropical storm and was renamed Douglas. There … NASA-NOAA’s Suomi NPP satellite provided forecasters with various nighttime views of Hurricane Douglas as it approaches Hawaii. Share. Bands of thunderstorms were spiraling into the low-level center from the northern and southern quadrants. If playback doesn't begin shortly, try restarting your device. Infrared data from NASA’s Terra satellite showed that dry air around Tropical Storm Douglas has been inhibiting it from strengthening into a hurricane.

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