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Hurricane Dora Moves over the Central Pacific

Hurricane Dora moved over the Central Pacific Ocean on Sunday. At 11:00 p.m. EDT on Sunday the center of Hurricane Dora was located at latitude 12.7°N and longitude 144.0°W which put it about 890 miles (1430 km) east-southeast of the South Point, Hawaii. Dora was moving toward the west at 22 m.p.h. (35 km/h). The maximum sustained wind speed was 140 m.p.h. (225 km/h) and there were wind gusts to 165 m.p.h. (270 km/h). The minimum surface pressure was 950 mb.

Hurricane Dora did not change much on Sunday. The structure of Dora continued to be very symmetrical and it had a a shape sometimes called an annular hurricane. An eye with a diameter of 17 miles (28 km) was at the center of Hurricane Dora. The eye was surrounded by a ring of thunderstorms and the strongest winds were occurring in that ring of storms. Short bands of showers and thunderstorms were revolving around the core of Dora’s circulation. Storms near the core generated upper level divergence that pumped mass away from the hurricane.

The circulation around Hurricane Dora was still very small. Winds to hurricane force extended out 25 miles (40 km) from the center of Dora’s circulation. Winds to tropical storm force extended out 70 miles (110 km) from the center of circulation. The Hurricane Intensity Index (HII) was 28.3. The Hurricane Size Index (HSI) was only 7.0 and the Hurricane Wind Intensity Size Index (HWISI) was 35.36. Hurricane Dora was similar in size and intensity to Hurricane Charley when Charley hit southwest Florida in 2004.

Hurricane Dora will move through an environment that will be favorable for a powerful hurricane during the next 24 hours. Dora will move over water where the Sea Surface Temperatures are near 26.5C. It will move through a region where the upper level winds are weak and there will be little vertical wind shear. Hurricane Dora could move into a region where the air is a little drier. The intensity of an annual hurricane usually remains relatively constant. However, since the circulation around Hurricane Dora is so small, any changes in the environment will have large effects on the intensity of Dora. Hurricane Dora could weaken a little during the next 24 hours, if it moves into a region where the air is a little drier.

Hurricane Dora will move south of a subtropical high pressure system over the Eastern North Pacific Ocean. The high pressure system will steer Dora toward the west during the next 24 hours. On its anticipated track, Hurricane Dora will pass south of Hawaii on Tuesday.

Elsewhere over the Eastern North Pacific Ocean, Tropical Storm Eugene moved south of Baja California on Sunday. At 11:00 p.m. EDT on Sunday the center of Tropical Storm Eugene was located at latitude 23.3°N and longitude 115.0°W which put it about 325 miles (525 km) west of the southern tip of Baja California. Eugene was moving toward the west-northwest at 20 m.p.h. (32 km/h). The maximum sustained wind speed was 60 m.p.h. (95 km/h) and there were wind gusts to 75 m.p.h. (120 km/h). The minimum surface pressure was 997 mb. Tropical Storm Eugene will weaken on Monday as it moves over cooler water west of Baja California.

Hurricane Dora Strengthens Back to Cat. 4

Hurricane Dora strengthened back to Category 4 on the Saffir-Simpson Scale on Saturday. At 11:00 p.m. EDT on Saturday the center of Hurricane Dora was located at latitude 13.2°N and longitude 136.5°W which put it about 1335 miles (2145 km) east-southeast of the South Point, Hawaii. Dora was moving toward the west at 18 m.p.h. (30 km/h). The maximum sustained wind speed was 145 m.p.h. (235 km/h) and there were wind gusts to 170 m.p.h. (280 km/h). The minimum surface pressure was 942 mb.

Hurricane Dora strengthened back to a Category 4 hurricane on its way toward the Central Pacific. The structure of Dora was very symmetrical and it had a a shape sometimes called an annular hurricane. An eye with a diameter of 17 miles (28 km) was at the center of Hurricane Dora. The eye was surrounded by a ring of thunderstorms and the strongest winds were occurring in that ring of storms. Short bands of showers and thunderstorms were revolving around the core of Dora’s circulation, Storms near the core generated upper level divergence that pumped mass away from the hurricane.

The circulation around Hurricane Dora was still very small. Winds to hurricane force extended out 25 miles (40 km) from the center of Dora’s circulation. Winds to tropical storm force extended out 60 miles (95 km) from the center of circulation. The Hurricane Intensity Index (HII) was 29.9. The Hurricane Size Index (HSI) was only 6.7 and the Hurricane Wind Intensity Size Index (HWISI) was 36.6. Hurricane Dora was similar in size and intensity to Hurricane Charley when Charley hit southwest Florida in 2004.

Hurricane Dora will move through an environment that will be favorable for a powerful hurricane during the next 24 hours. Dora will move over water where the Sea Surface Temperatures are near 26.5C. It will move through a region where the upper level winds are weak and there will be little vertical wind shear. The intensity of an annual hurricane usually remains relatively constant. However, since the circulation around Hurricane Dora is so small, any changes in the environment will have large effects on the intensity of Dora. The intensity of Hurricane Dora is forecast to remain relatively constant during the next 24 hours.

Hurricane Dora will move south of a subtropical high pressure system over the Eastern North Pacific Ocean. The high pressure system will steer Dora toward the west during the next 24 hours. On its anticipated track, Hurricane Dora will move over the Central Pacific Ocean on Sunday. Dora will pass south of Hawaii early next week.

Elsewhere over the Eastern North Pacific Ocean, Tropical Storm Eugene formed west of Mexico. At 11:00 p.m. EDT on Saturday the center of Tropical Storm Eugene was located at latitude 20.8°N and longitude 108.8°W which put it about 210 miles (340 km) south-southeast of the southern tip of Baja California. Eugene was moving toward the northwest at 15 m.p.h. (24 km/h). The maximum sustained wind speed was 50 m.p.h. (80 km/h) and there were wind gusts to 65 m.p.h. (105 km/h). The minimum surface pressure was 1000 mb. Tropical Storm Eugene will pass south of the southern end of Baja California on Sunday/.

Hurricane Dora Churns Toward the Central Pacific

Hurricane Dora churned toward the Central Pacific Ocean on Friday night. At 11:00 p.m. EDT on Friday the center of Hurricane Dora was located at latitude 13.7°N and longitude 130.1°W which put it about 1735 miles (2790 km) east of the South Point, Hawaii. Dora was moving toward the west at 18 m.p.h. (30 km/h). The maximum sustained wind speed was 105 m.p.h. (165 km/h) and there were wind gusts to 125 m.p.h. (200 km/h). The minimum surface pressure was 972 mb.

Hurricane Dora weakened gradually on Friday as it moved over slightly cooler water. An eye was no longer visible on satellite images at the center of Dora’s circulation. The inner end of a rainband wrapped all the way into the center of circulation. Bands of showers and thunderstorms were revolving around the center of Hurricane Dora. Storms near the center generated upper level divergence that pumped mass away from the hurricane.

The circulation around Hurricane Dora was still very small. Winds to hurricane force extended out 20 miles (30 km) from the center of Dora’s circulation. Winds to tropical storm force extended out 45 miles (75 km) from the center of circulation. The Hurricane Intensity Index (HII) was 17.8. The Hurricane Size Index (HSI) was only 5.4 and the Hurricane Wind Intensity Size Index (HWISI) was 23.2.

Hurricane Dora will move through an environment that will continue to become less favorable for intensification during the next 24 hours. Dora will move over water where the Sea Surface Temperatures are near 26.5C. It will move through a region where the upper level winds are weak and there will be little vertical wind shear. Hurricane Dora is likely to continue to weaken gradually during the next 24 hours. Since the circulation around Hurricane Dora is so small, any changes in the environment will have large effects on the intensity of Dora.

Hurricane Dora will move south of a subtropical high pressure system over the Eastern North Pacific Ocean. The high pressure system will steer Dora toward the west during the next 24 hours. On its anticipated track, Hurricane Dora will move over the Central Pacific Ocean during the weekend. Dora could pass south of Hawaii early next week.

Hurricane Dora Strengthens to Cat. 4

Hurricane Dora strengthened to Category 4 on the Saffir-Simpson Scale over the Eastern North Pacific Ocean on Thursday. At 11:00 p.m. EDT on Thursday the center of Hurricane Dora was located at latitude 14.1°N and longitude 123.4°W which put it about 2160 miles (3480 km) east of the South Point, Hawaii. Dora was moving toward the west at 18 m.p.h. (30 km/h). The maximum sustained wind speed was 140 m.p.h. (225 km/h) and there were wind gusts to 170 m.p.h. (280 km/h). The minimum surface pressure was 950 mb.

Hurricane Dora intensified to Category 4 on the Saffir-Simpson Scale on Thursday. A small circular eye was at the center of Dora’s circulation. The eye was surrounded by a ring of thunderstorms and the strongest winds were occurring in that ring of storms. Bands of showers and thunderstorms were revolving around the core of Hurricane Dora. Storms Near the core generated upper level divergence that pumped mass away from the hurricane.

The circulation around Hurricane Dora remained very small. Winds to hurricane force extended out 20 miles (30 km) from the center of Dora’s circulation. Winds to tropical storm force extended out 45 miles (75 km) from the center of circulation. The Hurricane Intensity Index (HII) was 28.3. The Hurricane Size Index (HSI) was only 5.7 and the Hurricane Wind Intensity Size Index (HWISI) was 34.0. Hurricane Dora was similar in size and intensity to Hurricane Charley when Charley hit Southwest Florida in 2004.

Hurricane Dora will move through an environment that will become slightly less favorable for intensification during the next 24 hours. Dora will move over water where the Sea Surface Temperatures are near 27˚C. It will move through a region where the upper level winds are weak and there will be little vertical wind shear. Hurricane Dora could start to weaken as it moves over slightly cooler water. Dora could also start to weaken if the inner end of a rainband wraps around the existing eye and eyewall. Since the circulation around Hurricane Dora is so small, any changes in the environment will have large effects on the intensity of Dora.

Hurricane Dora will move south of a subtropical high pressure system over the Eastern North Pacific Ocean. The high pressure system will steer Dora toward the west-southwest during the next 24 hours. On its anticipated track, Hurricane Dora could pass south of Hawaii early next week.