Tag Archives: Mexico

Tropical Storm Marie Forms South of Baja California

Tropical Storm Marie formed south of Baja California on Tuesday.  At 5:00 p.m. EDT on Tuesday the center of Tropical Storm Marie was located at latitude 13.6°N and longitude 109.5°W which put it about 645 miles (1035 km) south of the southern tip of Baja California.  Marie was moving toward the west at 12 m.p.h. (19 km/h).  The maximum sustained wind speed was 40 m.p.h. (65 km/h) and there were wind gusts to 50 m.p.h. (80 km/h).  The minimum surface pressure was 1005 mb.

More thunderstorms developed near the center of a small low pressure system south of Baja California on Tuesday afternoon and the National Hurricane Center designated the system as Tropical Storm Marie.  The circulation around Marie was still organizing.  More thunderstorms were forming around the center of Tropical Storm Marie.  Bands of showers and thunderstorms were also developing and the bands were revolving around the center of the tropical storm.  Storms near the center of Marie started to generate upper level divergence which began to pump mass away to the west of the tropical storm.  The circulation around the Tropical Storm Marie was small.  Winds to tropical storm force extended out 25 miles (40 km) from the center of circulation.

Tropical Storm Marie will move through an environment favorable for intensification during the next two to three days.  Marie will move over water where the Sea Surface Temperature is near 29°C.  It will move through a region where the upper level winds are weak and there will be little vertical wind shear.  Tropical Storm Marie could intensify into a hurricane within 36 hours.  Marie could strengthen more rapidly once an inner core with an eye and an eyewall forms.  Tropical Storm Marie could intensify into a major hurricane later this week.

Tropical Storm Marie will move south of a ridge of high pressure over the southwestern U.S.  The high will steer Marie toward the west-northwest during the next several days.  On its anticipated track Tropical Storm Marie will move farther away from Baja California.

Tropical Storm Lowell Forms South of Baja California

Tropical Storm Lowell formed south of Baja California on Monday.  At 5:00 p.m. EDT on Monday the center of Tropical Storm Lowell was located at latitude 17.4°N and longitude 113.6°W which put it about 450 miles (725 km) south-southwest of the southern tip of Baja California.  Lowell was moving toward the west-northwest at 16 m.p.h. (26 km/h).  The maximum sustained wind speed was 45 m.p.h. (75 km/h) and there were wind gusts to 60 m.p.h. (95 km/h).  The minimum surface pressure was 1001 mb.

A scatterometer onboard a satellite detected winds to 45 m.p.h. (75 km/h) on the southeast side of former Tropical Depression Seventeen-E on Monday afternoon and the National Hurricane Center upgraded the system to Tropical Storm Lowell.  The circulation around Lowell was not well organized.  The strongest thunderstorms were occurring in bands in the southwestern quadrant of the tropical storm.  Bands in the other parts of Tropical Storm Lowell consisted primarily of showers and lower clouds.  Winds to tropical storm force extended out 85 miles (135 km) on the southern side of Lowell.  Winds on the northern side of the circulation were blowing at less than tropical storm force.

An upper level ridge over the Eastern North Pacific Ocean was producing northeasterly winds which were blowing toward the top of Tropical Storm Lowell.  Those winds were causing moderate vertical wind shear and they were responsible for the stronger thunderstorms being in the southwestern quadrant of Lowell.  The moderate upper level winds also appeared to be tilting the top part of Tropical Storm Lowell toward the southwest of the circulation at the surface.

Tropical Storm Lowell will move over water where the Sea Surface Temperature is near 28°C.  So, there will be sufficient energy in the upper ocean to support intensification.  If the upper level winds weaken, then Lowell could intensify during the next several days.  However, if the upper level winds remain at their current speed, then it will be difficult for the tropical storm to become more organized.  The wind shear is forecast to decrease slowly, which would allow Tropical Storm Lowell to strengthen gradually.

Tropical Storm Lowell will move south of a subtropical high pressure system over the Eastern North Pacific Ocean.  The high is forecast to steer Lowell toward the west during the next few days.  On its anticipated track Tropical Storm Lowell will move farther away from Baja California.

TD 22 Strengthens to Tropical Storm Beta

Former Tropical Depression Twentytwo strengthened into Tropical Storm Beta over the western Gulf of Mexico on Friday afternoon.  At 5:00 p.m. EDT on Friday the center of Tropcial Storm Beta was located at latitude 24.3°N and longitude 93.1°W which put it about 280 miles (450 km) east-southeast of the Mouth of the Rio Grande River.  Beta was moving toward the north-northeast at 9 m.p.h. (15 km/h).  The maximum sustained wind speed was 40 m.p.h. (65 km/h) and there were wind gusts to 50 m.p.h. (80 km/h).  The minimum surface pressure was 1004 mb.

Even though Tropical Storm Beta strengthened on Friday, the circulation was asymmetrical.  An upper level trough over Texas was producing south-southwesterly winds which were blowing toward the top of Beta.  Those winds were causing moderate vertical wind shear.  Because of the wind shear, the stronger thunderstorms were occurring in bands on the northern side of Tropical Storm Beta.  Bands in the southern half of the tropical storm consisted primarily of showers and lower clouds.  Winds to tropical storm force extended out 100 miles (160 km) on the northern side of Beta.  Winds in the southern half of the circulation were blowing at less than tropical storm force.

Tropical Storm Beta will move through an environment somewhat favorable for intensification during the next several days.  Beta will move over water where the Sea Surface Temperature is near 30°C.  The upper level trough over Texas will weaken and gradually move away from Tropical Storm Beta.  When the trough moves away from Beta, the wind shear will decrease and Beta will be able to intensify more easily.  There is a chance Tropical Storm Beta could intensify into a hurricane in two or three days.

The steering pattern around Tropical Storm Beta will be complex.  The upper level trough over Texas is likely to steer Beta toward the north during the next 12 to 24 hours.  Then a large cool high pressure system over the eastern U.S.  will block Tropical Storm Beta from moving any farther to the north.  The high will steer Beta to the west.  On its anticipated track Tropical Storm Beta could approach the coast of Texas by the end of the weekend.  Beta could move more toward the northeast when the high pressure system starts to shift toward the east early next week.

Elsewhere, Hurricane Teddy continued to move toward Bermuda, Subtropical Storm Alpha made landfall in Portugal and Tropical Storm Wilfred developed over the eastern Atlantic Ocean.  At 5:00 p.m. EDT on Friday the center of Hurricane Teddy was located at latitude 23.1°N and longitude 57.0°W which put it about 795 miles (1275 km) southeast of Bermuda.  Teddy was moving toward the northwest at 14 m.p.h. (22 km/h).  The maximum sustained wind speed was 125 m.p.h. (200 km/h) and there were wind gusts to 150 m.p.h. (240 km/h).  The minimum surface pressure was 951 mb.

A Tropical Storm Watch was issued for Bermuda.

At 5:00 p.m. EDT on Friday the center of Subtropical Storm Alpha was located at latitude 40.8°N and longitude 8.4°W which put it about 120 miles (195 km) north-northeast of Lisbon, Portugal.  Alpha was moving toward the northeast at 17 m.p.h. (28 km/h).  The maximum sustained wind speed was 45 m.p.h. (75 km/h) and there were wind gusts to 60 m.p.h. (95 km/h).  The minimum surface pressure was 998 mb.

At 5:00 p.m. EDT on Friday the center of Tropical Storm Wilfred was located at latitude 12.5°N and longitude 34.4°W which put it about 735 miles (1185 km) west-southwest of the Cabo Verde Islands.  Wilfred was moving toward the west-northwest at 10 m.p.h. (16 km/h).  The maximum sustained wind speed was 40 m.p.h. (65 km/h) and there were wind gusts to 50 m.p.h. (80 km/h).  The minimum surface pressure was 1008 mb

TD 22 Forms over Western Gulf of Mexico, Teddy at Cat. 4

Tropical Depression Twentytwo formed over the western Gulf of Mexico on Thursday evening and Hurricane Teddy intensified to Category 4 on the Saffir-Simpson Scale.  At 11:00 p.m. EDT on Thursday the center of Tropical Depression Twentytwo was located at latitude 22.0°N and longitude 94.2°W which put it about 235 miles (380 km) east of Tampico, Mexico.  The depression was moving toward the northeast at 3 m.p.h. (5 km/h).  The maximum sustained wind speed was 35 m.p.h. (55 km/h) and there were wind gusts to 45 m.p.h. (75 km/h).  The minimum surface pressure was 1005 mb.

An Air Force Reserve Hurricane Hunter plane determined that a low level center of circulation was present in a low pressure system over the western Gulf of Mexico on Thursday evening and the National Hurricane Center designated the system as Tropical Depression Twentytwo.  The circulation around the depression was still organizing.  Bands of showers and thunderstorms were developing.  Storms near the center of circulation began to generate upper level divergence which pumped mass away from the tropical depression.

Tropical Depression Twentytwo will move through an environment favorable for intensification during the next several days.  The depression will move over water where the Sea Surface Temperature is near 30°C.  An upper level low near the Rio Grande Valley will produce southerly winds which will blow toward the top of the depression.  Those winds will cause some vertical wind shear.  The shear will inhibit intensification, but the depression is likely to strengthen into a tropical storm.

Tropical Depression Twentytwo will be in an area where the steering currents are weak.  The upper low over the Rio Grande Valley could pull the depression toward the north, but the depression could meander over the western Gulf of Mexico for several days.

Elsewhere, Hurricane Teddy strengthened to Category 4 on the Saffir-Simpson Scale southeast of Bermuda on Thursday evening.  At 11:00 p.m. EDT on Thursday the center of Hurricane Teddy was located at latitude 20.9°N and longitude 54.7°W which put it about 1005 miles (1615 km) southeast of Bermuda.  Teddy was moving toward the northwest at 12 m.p.h. (19 km/h).  The maximum sustained wind speed was 140 m.p.h. (220 km/h) and there were wind gusts to 170 m.p.h. (280 km/h).  The minimum surface pressure was 945 mb.  On its anticipated track Hurricane Teddy could be near Bermuda by Sunday night.

Tropical Storm Karina Forms Southwest of Baja California

Tropical Storm Karina formed southwest of Baja California on Sunday.  At 11:00 a.m. EDT on Sunday the center of Tropical Storm Karina was located at latitude 17.6°N and longitude 114.7°W which put it about 480 miles (775 km) southwest of the southern tip of Baja California.  Karina was moving toward the west-northwest at 10 m.p.h. (16 km/h).  The maximum sustained wind speed was 45 m.p.h. (75 km/h) and there were wind gusts to 60 m.p.h. (95 km/h).  The minimum surface pressure was 1001 mb.

More thunderstorms formed near the center of a low pressure system southwest of Baja California on Sunday and the National Hurricane Center designated the system as Tropical Storm Karina.  The distribution of thunderstorms around Tropical Storm Karina was asymmetrical.  Many of the stronger thunderstorms were occurring in bands in the southwestern part of Karina’s circulation.  Bands in other parts of the tropical storm consisted primarily of showers and lower clouds.  Storms near the center of circulation began to generate upper level divergence which pumped mass away to the west of the tropical storm.  Winds to tropical storm force extended out 90 miles in the southwestern quadrant of Tropical Storm Karina.  Winds in other parts of the circulation were blowing at less than tropical storm force.

Tropical Storm Karina will move through an environment somewhat favorable for intensification during the next 24 hours.  Karina will move over water where the Sea Surface Temperature is near 28°C.  It will move south of an upper level ridge that extends from the southwestern U.S. over the Eastern North Pacific Ocean.  The ridge will produce northeasterly winds which will blow toward the top of Tropical Storm Karina.  Those winds will cause moderate vertical wind shear.  The shear will inhibit intensification, but it will not be strong enough to prevent Karina from intensifying.

Tropical Storm Karina will move south of a subtropical high pressure system over the Eastern North Pacific Ocean.  The high will steer Karina toward the west-northwest during the next several days.  On its anticipated track Tropical Storm Karina will move farther away from Baja California.

Tropical Storm Julio Develops South of Mexico

Tropical Storm Julio developed south of Mexico on Saturday afternoon.  At 5:00 p.m. EDT on Saturday the center of Tropical Storm Julio was located at latitude 16.1°N and longitude 102.7°W which put it about 180 miles (290 km) south-southwest of Zihuatanejo, Mexico.  Julio was moving toward the west-northwest at 20 m.p.h. (32 km/h).  The maximum sustained wind speed was 40 m.p.h. (65 km/h) and there were wind gusts to 50 m.p.h. (80 km/h).  The minimum surface pressure was 1005 mb.

The middle and upper portion of the circulation around former Hurricane Nana moved westward from Guatemala over the Gulf of Tehuantepec south of Mexico.  A surface circulation redeveloped over the Eastern North Pacific Ocean.  More thunderstorms formed near the center of the surface circulation and the National Hurricane Center designated the system as Tropical Storm Julio on Saturday afternoon.

The circulation around Tropical Storm Julio was small.  Winds to tropical storm force only extended out 35 miles from the center of Julio.  The stronger winds were occurring north of the center of circulation.  Thunderstorms continued to form near the center.  Short, narrow bands of showers and thunderstorms were revolving around the center of circulation.

Tropical Storm Julio will move through an environment only marginally favorable for intensification.  Julio will move over water where the Sea Surface Temperature is near 30°C.  So, there is sufficient energy in the upper ocean to support intensification.  However, an upper level ridge over Mexico will produce easterly winds which will blow toward the top of Julio.  Those winds will cause moderate vertical wind shear which will inhibit intensification.  In addition, visible satellite images suggest that there is another small low pressure system about 250 miles (400 km) west of Tropical Storm Julio.  Interaction with the small low pressure system could also disrupt the circulation around Julio.

The ridge over Mexico will steer Tropical Storm Julio toward the west-northwest.  However, interaction with the small low pressure system west of Julio could also affect the track.  On its anticipated track Tropical Storm Julio will move toward a position south of Baja California on Sunday night.

Tropical Storm Nana Strengthens, Hurricane Watch Issued for Belize

Tropical Storm Nana strengthened on Tuesday night and a Hurricane Watch was issued for Belize.  At 11:00 p.m. EDT on Tuesday the center of Tropical Storm Nana was located at latitude 17.0°N and longitude 80.9°W which put it about 485 miles (775 km) east of Belize City, Belize.  Nana was moving toward the west at 18 m.p.h. (30 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 999 mb.

A Hurricane Watch was issued for the entire coast of Belize.  A Tropical Storm Warning was also in effect for Belize.  A Tropical Storm Warning was in effect for the portion of the coast from Puerto Costa Maya to Chetumal, Mexico.  Tropical Storm Watches were in effect for the Caribbean Sea coast of Guatemala and for the north coast of Honduras from Punta Patuca to the border with Guatemala including Roatan Island and the Bay Islands.

Tropical Storm Nana continued to strengthen on Tuesday night.  There were signs that a small eye might be starting to form in the lower levels of the atmosphere.  More thunderstorms formed near the center of circulation.  Storms near the center generated upper level divergence which pumped mass away from the tropical storm.  Winds to tropical storm force extended out 80 miles (130 km) from the center of circulation.

Tropical Storm Nana will move through an environment favorable for intensification during the next 24 hours.  Nana will move over water where the Sea Surface Temperature is near 29.5°C.  It will move through a region where the upper level winds are weak and there will be little vertical wind shear.  Tropical Storm Nana is likely to intensify into a hurricane on Wednesday.

Tropical Storm Nana will move south of a subtropical high pressure system over the Atlantic Ocean.  The high will steer Nana toward the west during the next 24 to 36 hours.  On its anticipated track the center of Tropical Storm Nana will pass north of Honduras.  Nana could approach Belize on Wednesday night.

Elsewhere over the Atlantic Ocean, Tropical Storm Omar continued to move away from North Carolina.  At 11:00 p.m. EDT on Tuesday the center of Tropical Storm Omar was located at latitude 35.8°N and longitude 70.0°W which put it about 310 miles (500 km) east of Cape Hatteras, North Carolina.  Omar was moving toward the east-northeast at 14 m.p.h. (22 km/h).  The maximum sustained wind speed was 40 m.p.h. (65 km/h) and there were wind gusts to 50 m.p.h. (80 km/h).  The minimum surface pressure was 1003 mb.

Tropical Storm Nana Forms South of Jamaica

Tropical Storm Nana formed over the Caribbean Sea south of Jamaica on Tuesday.  At 2:00 p.m. EDT on Tuesday the center of Tropical Storm Nana was located at latitude 16.7°N and longitude 78.4°W which put it about 110 miles (175 km) south of Negril, Jamaica.  Nana was moving toward the west at 18 m.p.h. (30 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 1002 mb.

A Tropical Storm Watch was issued for the entire coast of Belize.  A Tropical Storm Watch was also issued for the north coast of Honduras from Punta Patuca to the border with Guatemala including Roatan Island and the Bay Islands.

An Air Force Reserve Hurricane Hunter flight into a low pressure system south of Jamaica found a defined low level center of circulation and winds to tropical storm force on Tuesday.  Based on data from the reconnaissance aircraft the National Hurricane Center designated the system Tropical Storm Nana.  The circulation around Tropical Storm Nana was organizing quickly.  Thunderstorms were developing near the center of circulation.  Bands of showers and thunderstorms were revolving around the center.  Storms near the center began to generate upper level divergence which was pumping mass away from the tropical storm.  The strongest winds were occurring in the northern half of the circulation.  Winds to tropical storm force extended out 80 miles (130 km) from the center of Nana.

Tropical Storm Nana will move through an environment favorable for intensification during the next 36 hours.  Nana will move over water where the Sea Surface Temperature is near 29.5°C.  It will move through a region where the upper level winds are weak and there will be little vertical wind shear.  Tropical Storm Nana will continue to intensify and it is likely to strengthen to a hurricane within 36 hours.

Tropical Storm Nana will move south of a subtropical high pressure system over the Atlantic Ocean.  The high will steer Nana toward the west during the next day or two.  On its anticipated track the center of Tropical Storm Nana will pass north of Honduras on Wednesday.  Nana could reach Belize on Thursday and it is likely to be a hurricane by that time.

Elsewhere over the Atlantic Ocean, Tropical Depression Fifteen moved away from the East Coast of the U.S.  At 11:00 a.m. EDT on Tuesday the center of Tropical Depression Fifteen was located at latitude 34.7°N and longitude 73.1°W which put it about 140 miles (225 km) east-southeast of Cape Hatteras, North Carolina.  The depression was moving toward the east-northeast at 14 m.p.h. (22 km/h).  The maximum sustained wind speed was 35 m.p.h. (55 km/h) and there were wind gusts to 45 m.p.h. (75 km/h).  The minimum surface pressure was 1008 mb.

Tropical Storms Hernan and Iselle Form West of Mexico

Tropical Storms Hernan and Iselle formed west of Mexico.  At 11:00 a.m. EDT on Thursday the center of Tropical Storm Hernan was located at latitude 19.1°N and longitude 106.2°W which put it about 95 miles (155 km) south-southwest of Cabo Corrientes, Mexico.  Hernan was moving toward the north-northwest at 5 m.p.h. (8 km/h).  The maximum sustained wind speed was 45 m.p.h. (75 km/h) and there were wind gusts to 60 m.p.h. (95 km/h).  The minimum surface pressure was 1001 mb.

The circulation around Tropical Storm Hernan was not well organized.  An upper level ridge over the southwestern U.S. and northern Mexico was producing northeasterly winds which were blowing toward the top of Hernan.  Those winds were causing strong vertical wind shear.  As a result of the shear, the stronger thunderstorms were occurring in bands in the southern part of the circulation.  Bands in the other parts of Tropical Storm Hernan consisted primarily of showers and lower clouds.  Winds to tropical storm force extended out 100 miles in the southern half of Hernan.  Winds in the northern half of the circulation were blowing at less than tropical storm force.

Tropical Storm Hernan will move through an environment unfavorable for intensification during the next several days.  Hernan will move over water where the Sea Surface Temperature is near 29°C.  So, there will be plenty of energy in the upper ocean to support intensification.  However, the upper level ridge will continue to cause strong vertical wind shear, which will inhibit potential intensification.  Tropical Storm Hernan is likely to weaken on Friday when it moves over colder water.  Hernan could approach the southern end of Baja California on Friday.

At 11:00 a.m. EDT on Thursday the center of Tropical Storm Iselle was located at latitude 17.0°N and longitude 115.8°W which put it about 560 miles (900 km) southwest of the southern tip of Baja California.  Iselles was moving toward the northeast at 5 m.p.h. (8 km/h).  The maximum sustained wind speed was 45 m.p.h. (75 km/h) and there were wind gusts to 60 m.p.h. (95 km/h).  The minimum surface pressure was 1001 mb.

The circulation around Tropical Storm Iselle was also not well organized.  It was being sheared by the same upper level ridge that was causing strong vertical wind shear over Tropical Storm Hernan.  Most of the thunderstorms in Iselle were also occurring in the southern half of the circulation.  Tropical storm force winds extended out 100 miles from the center in the southern half of Tropical Storm Iselle.  Iselle will also move through an environment unfavorable for intensification.

TD 14 Strengthens into Tropical Storm Marco

Former Tropical Depression Fourteen strengthened into Tropical Storm Marco over the northwestern Caribbean Sea on Friday night.  At 11:00 p.m. EDT on Friday the center of Tropical Storm Marco was located at latitude 18.7°N and longitude 84.9°W which puts it about 180 miles (290 km) southeast of Cozumel, Mexico.  Marco was moving toward the north-northwest at 13 m.p.h. (20 km/h).  The maximum sustained wind speed was 40 m.p.h. (65 km/h) and there were wind gusts to 50 m.p.h. (80 km/h).  The minimum surface pressure was 1003 mb.

A Hurricane Watch was in effect for the portion of the coast from Punta Herrero to Cancun, Mexico.  A Tropical Storm Warning was in effect for the portion of the coast from Punta Herrero to Dzilam, Mexico.

An Air Force Reserve Hurricane Hunter reconnaissance aircraft found winds to tropical storm force in former Tropical Depression Fourteen and the National Hurricane Center upgraded the system to Tropical Storm Marco.  More thunderstorms developed near the center of Marco.  Many of the thunderstorms were occurring in short bands northeast of the center of circulation.  The strongest winds were occurring in those bands.  Storms near the center were generating upper level divergence which was pumping mass away to the northeast of the tropical storm.  Winds to tropical storm force extended 80 miles (130 km) to the northeast of Marco.  The winds in the other parts of the tropical storm were blowing at less than tropical storm force.

Tropical Storm Marco will move through an environment favorable for intensification during the next 24 hours.  Marco will move over water where the Sea Surface Temperature is near 29°C.  It will move east of a large upper level trough over the Gulf of Mexico.  The trough will produce southwesterly winds which will blow toward the top of Tropical Storm Marco.  Those winds will cause some vertical wind shear, but the shear will not be strong enough to prevent intensification.  Marco will intensify on Saturday and it could strengthen quickly because the circulation is small.  Tropical Storm Marco could also weaken quickly if the center moves over the Yucatan Peninsula.

Tropical Storm Marco will move around the western end of a subtropical high pressure system over the Atlantic Ocean.  The high and the upper level trough will interact to steer Marco toward the northwest during the next 24 to 36 hours.  On its anticipated track the center of Tropical Storm Marco could pass near the northeastern part of the Yucatan Peninsula on Saturday.

Elsewhere over the Atlantic Ocean, disorganized Tropical Storm Laura sped across the northern Leeward Islands on Friday.  At 11:00 p.m. EDT on Friday the center of Tropical Storm Laura was located at latitude 17.0°N and longitude 84.9°W which put it about 195 miles (315 km) east-southeast of San Juan, Puerto Rico.  Laura was moving toward the west-northwest at 18 m.p.h. (30 km/h).  The maximum sustained wind speed was 45 m.p.h. (75 km/h) and there were wind gusts to 60 m.p.h. (95 km/h).  The minimum surface pressure was 1008 mb.

Tropical Storm Warnings were in effect Saba, St. Eustatius, St. Maarten, St. Martin, St. Barthelemy, the British Virgin Islands, the U.S. Virgin Islands, Puerto Rico, Vieques, Culebra, the north coast of HIspaniola from Le Mole St. Nicholas, Haiti to Cabo Engano, Dominican Republic, the Turks and Caicos, the Acklins, Crooked Island, Long Cay, the Inaguas, and the Ragged Islands.  A Tropical Storm Watch was in effect for the Central Bahamas.