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Dobrá díla jsou plodem dobrého charakteru a protože je chvályhodnější příčina než následek, chval více dobrý charakter bez vzdělání než vzdělance bez charakteru.

Leonardo da Vinci

Polní laboratoř

NASA Catches Short-Lived Tropical Storm Ivanoe

Tropical Storm Ivanoe formed in the Southern Indian Ocean on April 5 and didn't last more than a day, but NASA's Tropical Rainfall Measuring Mission captured rainfall data on the short-lived storm. Within 24 hours the tropical storm transitioned into an extra-tropical storm. On April 5 at 1500 UTC/11 a.m. EDT, Ivanoe's maximum sustained winds were near 40 knots/46.3 mph/74.0 kph. The Joint Typhoon Warning Center placed the center of Ivanoe near 21.3 south and 83.3 east, about 960 nautical miles southwest of Cocos Island. Ivanoe tracked south-southeastward at 18 knots/20.7 mph/33.3 kph. Animated multispectral satellite imagery on April 5 showed that the majority of Ivanoe's strongest thunderstorms were being pushed or sheared to the southeast from strong northwesterly wind shear. The U.S. Naval Research Laboratory combined rainfall data from NASA's Tropical Rainfall Measuring Mission satellite known as TRMM with infrared cloud data from the METEO-7 satellite. METEO-7 is managed by EUMETSAT, the European Organization for the Exploitation of Meteorological Satellites. The combination satellite image from April 5 at 2031 UTC/4:31 p.m. EDT showed rain near 1 inch/25 mm per hour east and south of the center. The rainfall data was overlaid on infrared data from the METEO-7 satellite depicting the clouds associated with the tropical storm. The Joint Typhoon Warning Center issued its fifth and final warning on Ivanoe on April 6 at 1500 UTC. At that time, Ivanoe was centered near 30.3S south and 88.7 east, about 1,664 nautical miles south-southeast of Diego Garcia. Ivanoe was speeding to the south-southeast at 28 knots/32.2 mph/51.8 kph and had maximum sustained winds near 40 knots/46.0 mph/74.0 kph. By the end of the day on April 6, Ivanoe became extra-tropical.

NASA Catches Tropical Cyclone Ita Near Papua New Guinea

The twenty-third tropical cyclone of the Southern Pacific tropical cyclone season has developed near the Solomon Islands and strengthened into Tropical Storm Ita on April 5. NASA satellite imagery showed the center of circulation just southwest of Sudest Island. Sudest is a volcanic island within Milne Bay Province of Papua New Guinea. On April 5 at 2100 UTC/5:00 p.m. EDT, Ita formed in the Coral Sea, about 599 nautical miles east-northeast of Cairns, Australia, and was moving to the west-southwestward at 5 knots/5.7 mph/9.2 kph. At that time, maximum sustained winds were near 45 knots/51.7 mph/83 kph. Satellite data on April 5 showed that strong convection (and developing thunderstorms) were along both the southern and eastern quadrants of the newborn storm. On April 6, when NASA's Terra satellite passed over Ita the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument captured a visible image of the storm. The image was created by NASA's MODIS Rapid Response Team at the NASA Goddard Space Flight Center in Greenbelt, Md. The MODIS image showed strong thunderstorms surrounding the tightly-wrapped center of circulation, just southeast of Sudest Island. Bands of thunderstorms were wrapping into the center from the north and east, and from the southwest. At 1200 UTC/8 a.m. EDT/10 p.m. local time (Brisbane/Australia) on April 7, Tropical Cyclone Ita was located over the northern Coral Sea near latitude 12.1 south and longitude 153.4 east, about 532 nautical miles/612.2 miles/985.3 km northeast of Cairns, Queensland. Maximum sustained winds were near 45 knots/51.7 mph/83.3 kph. The Joint Typhoon Warning Center (JTWC) expects Ita to move to the west then southwest over the next several days. JTWC forecasters expect Ita to make landfall in the northeastern Cape York Peninsula of Queensland, Australia around April 11. Currently there are no watches posted yet, but the Australian Bureau of Meteorology noted that Ita could begin affecting the Queensland coast on Wednesday, April 9.

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