Written by Rob Gutro
NASA’s Goddard Space Flight Center
Greenbelt, MD – At 6:00pm CDT Friday, August 25th, 2017, the National Hurricane Center famous that Harvey had strengthened to a Category four Hurricane on the Saffir-Simpson Hurricane Wind Scale. Harvey’s winds had elevated to 130 mph (215 kph).
At 7:00pm CDT (7:00pm CDT), the NHC stated that the attention of Category four Harvey was approaching the coast between Port Aransas and Port O’Connor, Texas and that “catastrophic flooding anticipated on account of heavy rainfall and storm surge.”
At 7:55pm CDT when Harvey’s massive eye was on the coast between Port Aransas and Port O’Connor, NOAA’s GOES East satellite tv for pc supplied an infrared image of the large storm. The eye appeared clear within the picture created at NASA/NOAA GOES Project at NASA’s Goddard Space Flight Center, Greenbelt, Maryland.
A Storm Surge Warning is in impact for Port Mansfield to High Island Texas, a Hurricane Warning is in impact for Port Mansfield to Sargent, Texas, and a Tropical Storm Warning is in impact from north of Sargent to High Island, Texas.
At 7:00pm CDT (0000 UTC) the National Hurricane Center stated the attention of Hurricane Harvey was situated by reconnaissance plane and NOAA Doppler radar close to latitude 27.eight North, longitude 96.eight West.
Harvey is transferring towards the northwest close to eight mph (13 km/h), however its ahead velocity is anticipated to lower in the course of the subsequent couple of days. On the forecast monitor, Harvey will make landfall on the center Texas coast in the course of the subsequent a number of hours. Harvey is then more likely to meander close to or simply inland of the center Texas coast via the weekend.
Reports from an Air Force Reserve Hurricane Hunter plane point out that most sustained winds stay close to 130 mph (215 km/h) with greater gusts. Harvey is a class four hurricane on the Saffir-Simpson Hurricane Wind Scale. Little change in energy is probably going earlier than landfall. Weakening is then anticipated over the weekend whereas the middle strikes inland over Texas.
Hurricane-force winds prolong outward as much as 35 miles (55 km) from the middle, and tropical-storm-force winds prolong outward as much as 140 miles (220 km). A Texas Coastal Ocean Observing Network station at Aransas Pass lately reported sustained winds of 79 mph (128 km/h) and a wind gust of 101 mph (163 km/h).
Following is the NHC’s forecast as of seven:00pm CDT:
Harvey is anticipated to supply whole rain accumulations of 15 to 30 inches and remoted most quantities of 40 inches over the center and higher Texas coast via subsequent Wednesday. During the identical time interval Harvey is anticipated to supply whole rain accumulations of 5 to 15 inches in far south Texas and the Texas Hill Country over via southwest and central Louisiana. Rainfall of this magnitude will trigger catastrophic and life-threatening flooding.
The mixture of a harmful storm surge and the tide will trigger usually dry areas close to the coast to be flooded by rising waters transferring inland from the shoreline. The water is anticipated to achieve the next heights above floor if the height surge happens on the time of excessive tide…
Port Aransas to Port O’Connor…9 to 13 ft
Elsewhere N Entrance Padre Island Natl Seashore to Sargent…6 to 12 ft
Sargent to Jamaica Beach…5 to eight ft
Port Mansfield to N Entrance Padre Island Natl Seashore…three to five ft
Jamaica Beach to High Island…2 to four ft
Mouth of the Rio Grande to Port Mansfield…1 to three ft
High Island to Morgan City…1 to three ft
The deepest water will happen alongside the instant coast close to and to the northeast of the landfall location, the place the surge will probably be accompanied by massive and damaging waves. Surge-related flooding depends upon the relative timing of the surge and the tidal cycle, and may range vastly over quick distances.
Hurricane circumstances are occuring alongside the coast within the Port Aransas space and will unfold over different parts of the hurricane warning space in the course of the subsequent a number of hours. Tropical storm circumstances are occurring in different parts of the hurricane and tropical storm warning areas. Tropical storm circumstances are more likely to persist alongside parts of the coast via at the very least Sunday.
Swells generated by Harvey are affecting the Texas, Louisiana, and northeast Mexico coasts. These swells are more likely to trigger life-threatening surf and rip present circumstances. Please seek the advice of merchandise out of your native climate workplace.
Just a few tornadoes are attainable via Saturday close to the center and higher Texas coast into far southwestern Louisiana.
NHC’s longer forecast says: Based on the forecast monitor, Harvey is anticipated to make landfall alongside the center Texas coast tonight. After that, the monitor fashions insist that the hurricane will decelerate significantly in the course of the subsequent 24 hours, and it’s more likely to transfer little or no between 36 and 120 hours.
For forecast updates, go to: www.nhc.noaa.gov #HurricaneHarvey
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NASA observes Hurricane Harvey now class four Near the Texas Coastline by: Elie Abi Younes published: