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Roslyn Rapidly Intensifies to a Major Hurricane

Hurricane Roslyn rapidly intensified to a major hurricane over the Eastern North Pacific Ocean near the west coast of Mexico during Friday night. At 8:00 a.m. EDT on Saturday the center of Hurricane Roslyn was located at latitude 17.6°N and longitude 106.3°W which put it about 200 miles (320 km) south-southwest of Cabo Corrientes, Mexico. Roslyn was moving toward the northwest at 7 m.p.h. (11 km/h). The maximum sustained wind speed was 120 m.p.h. (195 km/h) and there were wind gusts to 150 m.p.h. (240 km/h). The minimum surface pressure was 960 mb.

A Hurricane Warning was in effect for Las Islas Marias. A Hurricane Warning was also in effect for the portion of the coast from Playa Perula to El Roblito, Mexico. The Hurricane Warning included Puerto Vallarta. A Hurricane Watch was in effect for the portion of the coast from El Roblito to Mazatlan, Mexico. Tropical Storm Warnings were in effect for the portions of the coast from Manzanillo to Playa Perula, Mexico and from El Roblito to Mazatlan, Mexico.

Hurricane Roslyn rapidly intensified to a major hurricane during Friday night. A circular eye with a diameter of 12 miles (19 km) was at the center of Roslyn’s circulation. The eye was surrounded by a ring of strong thunderstorms and the strongest winds were occurring in that ring of storms. Bands of showers and thunderstorms were revolving around the core of Hurricane Roslyn. Storms near the core generated upper level divergence that pumped mass away from the hurricane.

The circulation around Hurricane Roslyn was small. Winds to hurricane force extended out 25 miles (40 km) from the center of Roslyn’s circulation. Winds to tropical storm force extended out 80 miles from the center of circulation. The Hurricane Intensity Index (HII) was 22.1. The Hurricane Size Index (HSI) was 7.0 and the Hurricane Wind Intensity Size Index (HWISI) was 29.1. Hurricane Roslyn was capable of causing localized major damage.

Hurricane Roslyn will move through an environment favorable for intensification during the next 12 hours. Roslyn will move over water where the Sea Surface Temperatures are near 29˚C. It will move under the axis on an upper level ridge over the Eastern North Pacific. The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear. Hurricane Roslyn is likely to intensify during the next 12 hours. Roslyn could intensify rapidly for a few more hours. Hurricane Roslyn could strengthen to a Category 4 hurricane on the Saffir-Simpson Scale. An upper level trough west of Baja California will produce southwesterly winds on Saturday night that will blow toward the top of Roslyn’s circulation. Those winds will cause the wind shear to increase. Hurricane Roslyn could start to weaken when the wind shear increases.

Hurricane Roslyn will move around the western side of a surface high pressure system centered over northern Mexico during the next 12 hours. The high pressure system will steer Roslyn toward the north. The upper level trough west of Baja California will steer Hurricane Roslyn toward the northeast on Saturday night and Sunday. The center of Roslyn is likely to pass just to the west of Cabo Corrientes during Friday night. On its anticipated track Hurricane Roslyn could make landfall on the west coast of Mexico near San Blas on Sunday morning. Roslyn will bring strong gusty winds and locally heavy rain to Nayarit. Heavy rain could cause flash floods in some locations. Hurricane Roslyn could cause a storm surge of up to 13 feet (4 meters) along the coast. Hurricane Roslyn will be capable of causing localized major damage.

Roslyn Intensifies to a Hurricane; Mexico Issues Warnings

Former Tropical Storm Roslyn intensified to a hurricane over the Eastern North Pacific Ocean on Friday night and the government of Mexico issued Hurricane Warnings and Tropical Storm Warnings for portions of the coast. At 11:00 p.m. EDT on Friday the center of Hurricane Roslyn was located at latitude 16.7°N and longitude 105.6°W which put it about 255 miles (410 km) south of Cabo Corrientes, Mexico. Roslyn was moving toward the west-northwest at 7 m.p.h. (11 km/h). The maximum sustained wind speed was 85 m.p.h. (135 km/h) and there were wind gusts to 100 m.p.h. (160 km/h). The minimum surface pressure was 982 mb.

A Hurricane Warning was in effect for Las Islas Marias. A Hurricane Warning was also in effect for the portion of the coast from Playa Perula to El Roblito, Mexico. The Hurricane Warning included Puerto Vallarta. A Hurricane Watch was in effect for the portion of the coast from El Roblito to Mazatlan, Mexico. A Tropical Storm Warning was in effect for the portion of the coast from Manzanillo to Playa Perula, Mexico.

Former Tropical Storm Roslyn intensified to a hurricane on Friday night near the west coast of Mexico. A small circular eye formed at the center of Hurricane Roslyn’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 Roslyn. Storm near the core generated upper level divergence that pumped mass away from the hurricane. The circulation around Hurricane Roslyn was small. Winds to hurricane force extended out 20 miles on the norther side of Roslyn’s circulation. Winds to tropical storm force extended out 70 miles from the center of circulation.

Hurricane Roslyn will move through an environment favorable for intensification during the next 24 hours. Roslyn will move over water where the Sea Surface Temperatures are near 29˚C. It will move under the axis on an upper level ridge over the Eastern North Pacific. The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear. Hurricane Roslyn will intensify during the next 24 hours. Roslyn could intensify rapidly at times. Hurricane Roslyn could strengthen to a major hurricane.

Hurricane Roslyn will move around the western side of a surface high pressure system centered over northern Mexico on Saturday. The high pressure system will steer Roslyn toward the north on Saturday. An upper level trough west of Baja California will steer Hurricane Roslyn toward the northeast on Saturday night and Sunday. On its anticipated track Hurricane Roslyn could make landfall on the west coast of Mexico near San Blas on Sunday morning. Roslyn will bring strong gusty winds and locally heavy rain to the coast. Heavy rain could cause flash floods in some locations.

Hurricane Orlene Brings Wind and Rain to Las Islas Marias

Hurricane Orlene brought wind and rain to Las Islas Marias, Mexico on Sunday night. At 11:00 p.m. EDT on Sunday the center of Hurricane Orlene was located at latitude 21.4°N and longitude 106.5°W which put it about 10 miles (15 km) southwest of Las Islas Marias, Mexico. Orlene was moving toward the north-northeast at 8 m.p.h. (13 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 976 mb.

A Hurricane Warning was in effect for Las Islas Marias. A Hurricane Warning was in effect for the portion of the coast from San Blas to Mazatlan, Mexico. A Hurricane Watch was in effect for the portion of the coast from Playa Perula to San Blas, Mexico. A Hurricane Watch was in effect for the portion of the coast from Mazatlan to Bahia Tempehuaya, Mexico. A Tropical Storm Warning was in effect for the portion of the coast from Playa Perula to San Blas, Mexico. A Tropical Storm Watch was in effect for the portion of the coast from Manzanillo to Playa Perula, Mexico.

Hurricane Orlene weakened gradually on Sunday afternoon after it rapidly intensified to Category 4 on the Saffir-Simpson Scale earlier in the day. A circular eye with a diameter of 12 miles (19 km) was still present at the center of Hurricane Orlene. The eye was surrounded by a ring of strong thunderstorms and the strongest winds were occurring in that ring of storms. Bands of showers and thunderstorms were revolving around core of Orlene’s circulation. Storms near the core generated upper level divergence that pumped mass away to the northeast of the hurricane.

The circulation around Hurricane Orlene was small. Winds to hurricane force extended out 20 miles (30 km) from the center of Orlene. Winds to tropical storm force extended out 80 miles (130 km) from the center of circulation. The Hurricane Intensity Index (HII) was 17.8. The Hurricane Size Index (HSI) was 6.8 and the Hurricane Wind Intensity Size Index (HWISI) was 24.6. Hurricane Orlene was capable of causing localized serious damage.

Hurricane Orlene will move through an environment unfavorable for intensification during the next 24 hours. Orlene will move over water where the Sea Surface Temperatures are near 29˚C. However, an upper level trough over northwestern Mexico will produce southwesterly winds that will blow toward the top of Orlene’s circulation. Those winds will cause the vertical wind shear to increase. Stronger vertical wind shear will cause Hurricane Orlene to continue to weaken during Monday.

Hurricane Orlene will move around the western end of a high pressure system over Mexico. The upper level trough over northwestern Mexico will steer Hurricane Orlene toward the north-northeast during Sunday night and Monday. Orlene will bring strong, gusty winds and locally heavy rain to Las Islas Marias. Locally heavy rain could cause flash floods in some locations. Hurricane Orlene could cause a storm surge of up to 10 feet (3 meters) in parts of Las Islas Marias. Orlene could cause serious damage in Las Islas Marias. On its anticipated track Hurricane Orlene is likely to make landfall on the west coast of Mexico between San Blas and Mazatlan on Monday afternoon. Orlene will bring strong gusty winds and locally heavy rain to the coast. Heavy rain could cause flash floods in parts of Nayarit and southern Sinaloa. Hurricane Orlene could produce storm surge of up to 7 feet (2 meters) along the coast.

Hurricane Orlene Rapidly Intensifies to Cat. 4

Hurricane Orlene rapidly intensified to Category 4 on the Saffir-Simpson Scale over the Eastern North Pacific Ocean southwest of Mexico on Saturday night. At 8:00 a.m. EDT on Sunday the center of Hurricane Orlene was located at latitude 19.3°N and longitude 106.8°W which put it about 105 miles (165 km) southwest of Cabo Corrientes, Mexico. Orlene was moving toward the north at 7 m.p.h. (11 km/h). The maximum sustained wind speed was 130 m.p.h. (210 km/h) and there were wind gusts to 150 m.p.h. (240 km/h). The minimum surface pressure was 949 mb.

A Hurricane Warning was in effect for Las Islas Marias. A Hurricane Warning was in effect for the portion of the coast from San Blas to Mazatlan, Mexico. A Hurricane Watch was in effect for the portion of the coast from Playa Perula to San Blas, Mexico. A Hurricane Watch was in effect for the portion of the coast from Mazatlan to Bahia Tempehuaya, Mexico. A Tropical Storm Warning was in effect for the portion of the coast from Playa Perula to San Blas, Mexico. A Tropical Storm Watch was in effect for the portion of the coast from Manzanillo to Playa Perula, Mexico.

Hurricane Orlene rapidly intensified to Category 4 during Saturday night. A circular eye with a diameter of 12 miles (19 km) was at the center of Hurricane Orlene. The eye was surrounded by a ring of strong thunderstorms and the strongest winds were occurring in that ring of storms. Bands of showers and thunderstorms were revolving around core of Orlene’s circulation. Storms near the core generated strong upper level divergence that pumped mass away from the hurricane.

The circulation around Hurricane Orlene was small. Winds to hurricane force extended out 15 miles (25 km) from the center of Orlene. Winds to tropical storm force extended out 60 miles (95 km) from the center of circulation. The Hurricane Intensity Index (HII) was 25.1. The Hurricane Size Index (HSI) was 5.3 and the Hurricane Wind Intensity Size Index (HWISI) was 30.4. Hurricane Orlene was capable of causing localized severe damage.

Hurricane Orlene will move through an environment favorable for intensification during the next few hours. Orlene will move over water where the Sea Surface Temperatures are near 29˚C. Orlene will move through a region where the upper level winds are weak and there will be little vertical wind shear. Hurricane Orlene could intensify during the next few hours. An upper level trough over northwestern Mexico will produce southwesterly winds that will blow toward the top of Orlene’s circulation later on Sunday. Those winds will cause the vertical wind shear to increase. Hurricane Orlene is likely to weaken when the wind shear increases.

Hurricane Orlene will move around the western end of a high pressure system over Mexico. The high pressure system will steer Orlene toward the north during the next 12 hours. The upper level trough over northwestern Mexico will steer Hurricane Orlene toward the north-northeast on Sunday night and Monday. On its anticipated track, Hurricane Orlene will hit Las Islas Marias early on Monday morning. Orlene will bring strong, gusty winds and locally heavy rain to Las Islas Marias. Locally heavy rain could cause flash floods in some location. Hurricane Orlene could cuase major damage in Las Islas Marias. Orlene is likely to make landfall on the west coast of Mexico on Monday afternoon.

Hurricane Orlene Rapidly Intensifies to Cat. 2

Hurricane Orlene rapidly intensified to Category 2 on the Saffir-Simpson Scale over the Eastern North Pacific Ocean southwest of Mexico on Saturday night. At 11:00 p.m. EDT on Saturday the center of Hurricane Orlene was located at latitude 18.4°N and longitude 106.9°W which put it about 160 miles (255 km) south-southwest of Cabo Corrientes, Mexico. Orlene was moving toward the north at 5 m.p.h. (8 km/h). The maximum sustained wind speed was 110 m.p.h. (175 km/h) and there were wind gusts to 130 m.p.h. (210 km/h). The minimum surface pressure was 966 mb.

A Hurricane Warning was in effect for Las Islas Marias. A Hurricane Warning was in effect for the portion of the coast from San Blas to Mazatlan, Mexico. A Hurricane Watch was in effect for the portion of the coast from Playa Perula to San Blas, Mexico. A Hurricane Watch was in effect for the portion of the coast from Mazatlan to Bahia Tempehuaya, Mexico. A Tropical Storm Warning was in effect for the portion of the coast from Playa Perula to San Blas, Mexico. A Tropical Storm Watch was in effect for the portion of the coast from Manzanillo to Playa Perula, Mexico.

Hurricane Orlene rapidly intensified on Saturday night. A circular eye with a diameter of 13 miles (20 km) was at the center of Hurricane Orlene. The eye was surrounded by a ring of strong thunderstorms and the strongest winds were occurring in that ring of storms. Bands of showers and thunderstorms were revolving around core of Orlene’s circulation. Storms near the core generated strong upper level divergence that pumped mass away from the hurricane.

The circulation around Hurricane Orlene was small. Winds to hurricane force extended out 15 miles (25 km) from the center of Orlene. Winds to tropical storm force extended out 60 miles (95 km) from the center of circulation. The Hurricane Intensity Index (HII) was 19.2. The Hurricane Size Index (HSI) was 5.3 and the Hurricane Wind Intensity Size Index (HWISI) was 24.5. Hurricane Orlene was capable of causing localized serious damage.

Hurricane Orlene will move through an environment favorable for intensification during the next 12 hours. Orlene will move over water where the Sea Surface Temperatures are near 29˚C. Orlene will move through a region where the upper level winds are weak and there will be little vertical wind shear. Hurricane Orlene is likely to intensify during the next 12 hours. Orlene could continue to intensify rapidly. Hurricane Orlene is likely to strengthen to a major hurrican by Sunday morning. An upper level trough over northwestern Mexico will produce southwesterly winds that will blow toward the top of Orlene’s circulation later on Sunday. Those winds will cause the vertical wind shear to increase. Hurricane Orlene is likely to weaken when the wind shear increases.

Hurricane Orlene will move around the western end of a high pressure system over Mexico. The high pressure system will steer Orlene toward the north during the next 18 hours. The upper level trough over northwestern Mexico will steer Hurricane Orlene toward the north-northeast on Sunday night and Monday. On its anticipated track, Hurricane Orlene will hit Las Islas Marias early on Monday morning. Orlene is likely to make landfall on the west coast of Mexico on Monday afternoon.

Orlene Strengthens to a Hurricane Southwest of Mexico

Former Tropical Storm Orlene strengthened to a hurricane over the Eastern North Pacific Ocean southwest of Mexico on Saturday morning. At 2:00 p.m. EDT on Saturday the center of Hurricane Orlene was located at latitude 17.8°N and longitude 107.0°W which put it about 200 miles (320 km) south-southwest of Cabo Corrientes, Mexico. Orlene was moving toward the north at 5 m.p.h. (8 km/h). The maximum sustained wind speed was 75 m.p.h. (120 km/h) and there were wind gusts to 90 m.p.h. (145 km/h). The minimum surface pressure was 989 mb.

A Hurricane Warning was in effect for Las Islas Marias. A Hurricane Watch was in effect for the portion of the coast from San Blas to Bahia Tempehuaya, Mexico. A Tropical Storm Warning was in effect for the portion of the coast from Playa Perula to San Blas, Mexico. A Tropical Storm Watch was in effect for the portion of the coast from Manzanillo to Playa Perula, Mexico.

Former Tropical Storm Orlene strengthened to a hurricane on Saturday morning. A small eye formed at the center of Hurricane Orlene. The eye was surrounded by a ring of strong thunderstorms and the strongest winds were occurring in that ring of storms. Bands of showers and thunderstorms were revolving around core of Orlene’s circulation. Storms near the core generated upper level divergence that pumped mass away from the hurricane.

The circulation around Hurricane Orlene was small. Winds to hurricane force extended out 15 miles (25 km) in the northeastern quadrant of Orlene. Winds to tropical storm force extended out 45 miles (75 km) from the center of circulation.

Hurricane Orlene will move through an environment favorable for intensification during the next 24 hours. Orlene will move over water where the Sea Surface Temperatures are near 29˚C. Orlene will move through a region where the upper level winds are weak and there will be little vertical wind shear. Hurricane Orlene will intensify during the next 24 hours. Orlene could intensify rapidly now that an inner core with an eye and an eyewall has formed. An upper level trough over northwestern Mexico will produce southwesterly winds that will blow toward the top of Orlene’s circulation later on Sunday. Those winds will cause the vertical wind shear to increase. Hurricane Orlene is likely to weaken when the wind shear increases.

Hurricane Orlene will move around the western end of a high pressure system over Mexico. The high pressure system will steer Orlene toward the north during the next 24 hours. The upper level trough over northwestern Mexico will steer Hurricane Orlene toward the north-northeast on Sunday night and Monday. On its anticipated track, Hurricane Orlene will hit Las Islas Marias early on Monday morning. Orlene is likely to make landfall on the west coast of Mexico on Monday afternoon.

Mexico Issues Hurricane Warning for Enrique

The government of Mexico issued a Hurricane Warning for a portion of the west coast of Mexico on Sunday afternoon because of the potential effects of Hurricane Enrique. At 5:00 p.m. EDT on Sunday the center of Hurricane Enrique was located at latitude 19.0°N and longitude 105.7°W which put it about 95 miles (155 km) south of Cabo Corrietnes, Mexico. Enrique was moving toward the north at 8 m.p.h. (13 km/h). The maximum sustained wind speed was 90 m.p.h. (145 km/h) and there were wind gusts to 110 m.p.h. (175 km/h). The minimum surface pressure was 977 mb.

A Hurricane Warning was issued for the portion of the coast from Playa Perula to Cabo Corrientes, Mexico. A Hurricane Watch was in effect for the portion of the coast from Manzanillo to Play Perula, Mexico. A Tropical Storm Warning was in effect for the portions of the coast from Punta San Telmo to Playa Perula and from Cabo Corrientes to Punta Mita, Mexico. A Tropical Storm Watch was in effect for the portion of the coast from Punta Mita to San Blas, Mexico.

A small eye appeared intermittently at the center of Hurricane Enrique on visible satellite images on Sunday. High clouds from a ring of thunderstorms around the eye obscured the eye at other times. The strongest winds were occurring in the ring of storms around the eye. Bands of showers and thunderstorms were revolving around the core of Enrique. Storms near the core generated upper level divergence that pumped mass away from the hurricane. Winds to hurricane force extended out 25 miles (40 km) from the center of Hurricane Enrique. Winds to tropical storm force extended out 110 miles (175 km) from the center of circulation.

Hurricane Enrique will move through an environment that will be mostly favorable for intensification during the next 24 hours. Enrique will move over water where the Sea Surface Temperatures are near 29°C. It will move through an area where the upper level winds are weak and there will be little vertical wind shear. The circulation on the eastern side of Hurricane Enrique will draw in some drier air from over Mexico. The drier air could limit the formation of thunderstorms in the eastern half of Enrique. Hurricane Enrique could get a little stronger during the next 24 hours. However, if drier air makes it to the core of Enrique, it could weaken the hurricane.

Hurricane Enrique will move around the western side of a surface high pressure system during the next few hours. The high will steer Enrique toward the north during that time period. On its anticipated track the core of Enrique is forecast to pass just to the west of Cabo Corrientes during the first half of Monday. The core of Hurricane Enrique with the strongest winds is forecast to pass just west of the coast. However, the eastern side of Enrique will bring gusty winds and locally heavy rain to portions of Jalisco around Cabo Corrientes.

A second, smaller high pressure system is forecast to form northeast of Hurricane Enrique on Monday. The second high will steer Enrique toward the northwest on Monday. On its anticipated track Hurricane Enrique could approach the southern end of Baja California on Wednesday.