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Tópico em 'Tempo Tropical' iniciado por luismeteo3 22 Fev 2019 às 15:59.
Landfall do Tufão Kammuri nas Filipinas...
Japan Meteorological Agency
Tropical Cyclone Advisory #63 - 15:00 PM JST December 3 2019
TYPHOON KAMMURI (T1928)
Luzon region (Oriental Mindoro province)
At 6:00 AM UTC, Typhoon Kammuri (975 hPa) located at 13.3N 120.8E has 10 minute sustained winds of 70 knots with gusts of 100 knots. The cyclone is reported as moving west at 13 knots.
Storm Force Winds
60 nm from the center
Gale Force Winds
240 nm from the center in northwestern quadrant
150 nm from the center in southeastern quadrant
Dvorak Intensity: T4.5-
Forecast and Intensity
24 HRS: 14.9N 117.1E - 65 knots (CAT 3/Strong Typhoon) South China Sea
48 HRS: 15.0N 114.5E - 50 knots (CAT 2/Severe Tropical Storm) South China Sea
72 HRS: 10.9N 113.7E - Tropical Depression in South China Sea
O Furacão Kammuri começa a deixar as Filipinas...
Kammuri produces the coldest cloud-top temperature on record
Kammuri may have earned a distinctive place in tropical cyclone history—not because of its impacts in the Philippines, but from its behavior several days earlier. While still a Category 1 typhoon well east of the Philippines, Kammuri was generating exceptionally strong convection, with storms extending high enough in the atmosphere to produce extremely cold cloud tops. At 0420Z on Saturday, November 30, the Visible Infrared Imaging Radiometer Suite (VIIRS) aboard the NOAA-20 satellite detected a cloud-top infrared brightness temperature just west of Kammuri’s center of –109.4°C (–164.9°F). According to Mark Lander (University of Guam), this appears to be the only cloud-top temperature on record known to exceed by a wide margin the world record reported by Elizabeth Ebert and Greg Holland in 1992 of–102.2°C (–148°F) from Tropical Cyclone Hilda east of Australia in 1990.
Severe thunderstorms can also push cloud tops to extremely high, cold levels. Bachmeier reported in November 2008 that a thunderstorm complex on the north coast of Australia had produced an apparent infrared temperature of –102.9°C (–152°F), rivaling or perhaps slightly besting the record from Hilda.