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Průměrný učitel vypráví. Dobrý učitel vysvětluje. Výborný učitel ukazuje. Nejlepší učitel inspiruje.

Charles Farrar Browne

Polní laboratoř

Tropical Depression 08W - Northwestern Pacific

Infrared satellite data helps identify cloud top and sea-surface temperatures, and the AIRS instrument aboard NASA’s Aqua satellite captured those when it flew over Tropical Depression 08W in the western North Pacific Ocean. Tropical Depression 08W formed east of the Philippines. The Atmospheric Infrared Sounder or AIRS instrument took an image of 08W on July 16 at 04:35 UTC (12:35 a.m. EDT). The AIRS infrared image showed a large area of strong thunderstorms appeared mostly east of the center of 08W’s circulation. Those thunderstorms had cloud top temperatures near 210 K (-81.6 F/-63.1 C). Despite the flaring convection (rising air that form the thunderstorms that make up the tropical cyclone), the low-level circulation center appeared to be struggling to organize. AIRS data also showed sea surface temperatures near 300 K (80.3 F/26.8C) in the vicinity of Tropical Depression 08W. Those temperatures are warm enough to support the depression and help it intensify. On July 16, warnings were in effect as Tropical Depression 08W approached the northern Philippines. The Philippines' public storm warning signal #1 is in effect for the Luzon provinces of Aurora, Quirino, Isabela, Ifugao, Mt. Province, Abra, Kalinga, Apayao, Ilocos Norte and Sur, Cagayan, Calayan and Babuyan Group of Islands and Batanes Group of Islands. At 1500 UTC (11 a.m. EDT) on July 16, Tropical depression 08W, known in the Philippines as “Isang,” had maximum sustained winds near 25 knots (28.7 mph/46.3 kph). 08W’s center was located near 16.8 north latitude and 123.3 east longitude, or 182 miles east-northeast of Manila, Philippines. Tropical Depression 08W is moving to the northwest at 9 knots (10.3 mph/16.6 kph). 08W is expected to intensify into a tropical storm and track to the northwest, through the Strait of Luzon. The depression is expected to graze the northernmost Philippines, track just west of Taiwan and move northward over southeastern China before turning into the Yellow Sea. The depression will bring heavy rains and gusty winds to all of those areas and residents should be on guard for flooding

Heat Wave Building Into the Ohio Valley and Eastern United States

A very anomalous weather pattern is in place over the U.S. for mid-July. Trapped between an upper level ridge centered over the Ohio Valley and the closed upper level low over the Texas/Oklahoma border, atypical hot, muggy air is stifling a broad swath of the eastern U.S. The closed low is expected to drift west toward New Mexico bringing heavy, localized rain to some areas and temperatures running 10-20 degrees below mid-July averages. Across the east, temperatures will warm well into the 90's and stay there through the week. This image was taken by the GOES East satellite at 12:45 p.m. EDT on July 15, 2013.

Proba-2 X-Cam image of Typhoon Soulik

The swirling eye of Typhoon Soulik as it approached Taiwan last Friday is caught by a tiny espresso cup-sized camera on one of ESA’s smallest satellites, Proba-2. This X-Cam image of Typhoon Soulik was acquired on 12 July at 10:14 GMT. Less than a cubic metre in size, Proba-2 focuses on observing solar activity and space weather. But it also keeps a small eye on its homeworld. Among the 17 experimental technologies hosted on Proba-2 is the compact Exploration Camera, X-Cam. Housed on the underside of the satellite, the monochrome X-Cam observes in the visible and infrared with a 100° field of view.

NASA Sees Tropical Storm Cimaron Pass Between Taiwan and the Philippines

The MODIS instrument aboard NASA’s Aqua satellite captured this visible (color-enhanced) image of Tropical Storm Cimaron passing between Taiwan and the Philippines on July 17 at 0522 UTC (1:22 a.m. EDT). Tropical Depression 08W strengthened into a tropical storm and was renamed Cimaron by the morning of July 17. NASA’s Aqua satellite captured the storm is it passed between the northern Philippines and Taiwan.On July 17 at 0900 UTC, Tropical Storm Cimaron was located about 294 nautical miles (338.3 miles/544.5 km) north of Manila, Philippines, near 19.9 north latitude and 120.8 east longitude. Cimaron’s maximum sustained winds increased to 35 knots (40 mph/64 kph) and the tropical storm is moving to the northwest at 18 knots (20.7 mph/33.3 kph). Cimaron is generating 14 foot-high (4.2 meter-high) waves in the South China Sea between southern Taiwan and the northern Philippines. Forecasters at the Joint Typhoon Warning Center expect Cimaron to continue tracking to the northwest and make landfall in southeastern China on July 18. Animated multispectral satellite imagery indicated that the banding of thunderstorms around the center have been improving and have been wrapping more tightly into the center in the morning hours of July 17. The center is becoming more organized, as is evident in visible imagery taken from the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument that flies aboard NASA’s Aqua satellite. MODIS captured a visible image of Tropical Storm Cimaron passing between Taiwan and the Philippines on July 17 at 0522 UTC (1:22 a.m. EDT). The Atmospheric Infrared Sounder or AIRS instrument that flies aboard AIRS showed the southern quadrant of Cimaron skirting northern Luzon. The strongest thunderstorms, however, remained over the South China Sea. Cimaron quickly tracked across the northeastern tip of Luzon, Philippines early on July 17 and is forecast to make landfall in eastern China approximately 200 nautical miles (230 miles/370 km) northeast of Hong Kong.

July 16, 2013 - NASA Sees Newborn Tropical Depression 08W in Infrared

NASA’s AIRS infrared data showed a large area of strong thunderstorms mostly east of the center of 08W’s circulation. Those thunderstorms had cloud top temperatures near -81.6 F. Infrared satellite data helps identify cloud top and sea-surface temperatures, and the AIRS instrument aboard NASA’s Aqua satellite captured those when it flew over Tropical Depression 08W in the western North Pacific Ocean. Tropical Depression 08W formed east of the Philippines. The Atmospheric Infrared Sounder or AIRS instrument took an image of 08W on July 16 at 04:35 UTC (12:35 a.m. EDT). The AIRS infrared image showed a large area of strong thunderstorms appeared mostly east of the center of 08W’s circulation. Those thunderstorms had cloud top temperatures near 210 K (-81.6 F/-63.1 C). Despite the flaring convection (rising air that form the thunderstorms that make up the tropical cyclone), the low-level circulation center appeared to be struggling to organize. AIRS data also showed sea surface temperatures near 300 K (80.3 F/26.8C) in the vicinity of Tropical Depression 08W. Those temperatures are warm enough to support the depression and help it intensify.On July 16, warnings were in effect as Tropical Depression 08W approached the northern Philippines. The Philippines' public storm warning signal #1 is in effect for the Luzon provinces of Aurora, Quirino, Isabela, Ifugao, Mt. Province, Abra, Kalinga, Apayao, Ilocos Norte and Sur, Cagayan, Calayan and Babuyan Group of Islands and Batanes Group of Islands. At 1500 UTC (11 a.m. EDT) on July 16, Tropical depression 08W, known in the Philippines as “Isang,” had maximum sustained winds near 25 knots (28.7 mph/46.3 kph). 08W’s center was located near 16.8 north latitude and 123.3 east longitude, or 182 miles east-northeast of Manila, Philippines. Tropical Depression 08W is moving to the northwest at 9 knots (10.3 mph/16.6 kph). 08W is expected to intensify into a tropical storm and track to the northwest, through the Strait of Luzon. The depression is expected to graze the northernmost Philippines, track just west of Taiwan and move northward over southeastern China before turning into the Yellow Sea. The depression will bring heavy rains and gusty winds to all of those areas and residents should be on guard for flooding.

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