Hurricane Mekunu, the 2nd cyclone in less than a week, formed in the western Arabian Sea early on May 22, 2018 and is approaching a landfall in Oman. NASA satellites offered an infrared, night-time and rainfall analysis of the storm.
The International Rainfall Measurement objective or GPM core observatory satellite flew above cyclone Mekunu in the Arabian Sea on Might 22, 2018 at 2: 06 p.m. EDT (1806 UTC). GPM’s Microwave Imager (GMI) and Double Frequency Rainfall Radar (DPR) instruments gathered information that revealed the strength and place of rainfall within the magnifying cyclone. This GPM pass revealed that Mekunu was ending up being well arranged with optimal continual wind speeds higher than 45 knots (52 miles per hour). GPM revealed that very heavy rains lay southwest of the center of flow. GPM’s radar (DPR Ku Band) determined rainfall that was falling at a rate of nearly 180 mm (7.1 inches) in a couple of effective convective storms.
At NASA’s Goddard Space Flight Center in Greenbelt, Maryland, the GPM satellite’s radar (DPR Ku Band) information were utilized to develop a 3-D structure of rainfall within Mekunu. The 3-D cross-section view of the cyclone’s rainfall exposed that effective convective storms southwest of Mekunu’s center were reaching heights of about 16 km (9.9 miles). GPM’s DPR revealed that some heavy rainstorms were returning radar reflectivity worths higher than 59 dBZ to the satellite. GPM is a joint objective in between NASA and the Japan Aerospace Expedition Firm, JAXA.
At about 5: 33 p.m. EDT (2133 Z) on Might 23, NASA-NOAA’s Suomi NPP satellite flew over Mekunu. Infrared information revealed extreme convection and tropospheric gravity waves. In addition, the First Quarter moon (54% Lighting) offered sufficient side lighting to reveal the extreme convection to the east of Socotra Island, in addition to some tropospheric gravity waves near the eye. In the night-time image, lightning streaks were likewise seen around the storm.
Infrared information from the Noticeable Infrared Imaging Radiometer Suite (VIIRS) instrument aboard NASA-NOAA’s Suomi NPP satellite revealed cloud leading temperature levels as cold as or chillier than 210 Kelvin (minus 63.1 degrees Celsius/minus 81.6 degrees Fahrenheit) in storms around Mekunu’s eye. NASA research study has actually revealed that storms with cloud tops that cold have the possible to produce heavy rains.
At 11 a.m. EDT (1500 UTC) the Joint Tropical Cyclone Caution Center (JTWC) kept in mind that Hurricane Mekunu’s optimum sustained winds were near 86 miles per hour (75 knots/139 kph). The storm is anticipated enhance to 85 knots prior to compromising once again. Mekunu was focused near 14.6 degrees north latitude and 55.3 degrees east longitude. That’s roughly 179 nautical miles south-southeast of Salalah, Oman. Mekunu has actually tracked northward at 6.9 miles per hour (6 knots/11 kph).
William K. Straka III, a scientist at the University of Wisconsin-Madison stated “the last cyclone with a hurricane-equivalent strength to track near southwestern Oman remained in Might 1959, inning accordance with NOAA’s historic database. And there is no record in NOAA’s database of a Classification 2 storm making landfall in Oman and Yemen. So, this is a possibly lethal storm, bringing extreme rains to this typically dry area.” Straka developed the Suomi NPP satellite images.
The India Meteorological Department (RSMC New Delhi), Earth System Science Company kept in mind on Might 24 at 5 a.m. EDT (0900 UTC), “Mekunu is highly likely to magnify even more into an Incredibly Extreme Cyclonic Storm throughout next 24 hours. It is highly likely to move almost northwards throughout next 24 hours and after that north-northwestwards and cross south Oman – southeast Yemen coasts as an Incredibly Extreme Cyclonic Storm with wind speed of 160-170 kph [99-105 mph] gusting to 190 kph [118 mph] in between 53 0 degrees east and 55 0 degrees east near to Salalah,” around the early morning of Might 26, 2018.
Cyclone Mekunu follows on the heels of damaging and lethal Hurricane Sagar that made landfall over northwestern Somalia a couple of days back.
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