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BajaStorms

Tormenta pasada

Ciclón postropical Boris

Actualización final/remanente

Boris alcanzó fuerza de tormenta tropical con vientos máximos sostenidos de 40 kt. El aviso final del NHC informó que Boris se había debilitado hasta convertirse en una baja remanente sobre el sur de México con 25 kt el 9 de junio de 2026, mientras continuaban las preocupaciones por lluvias intensas e inundaciones.

Aviso de Boris actualizado:

Fuente: NOAA / National Hurricane Center (NHC)

Datos clave

Tipo
Postropical
Viento máximo sostenido
46 km/h
Presión mínima
1004 mb
Movimiento
NW 11 km/h

Posición oficial final

BorisTipoPostropicalViento máximo sostenido46 km/h

Posición final mostrada con datos oficiales de NOAA / National Hurricane Center (NHC).

Gráficos oficiales

Cono y trayectoria oficial del National Hurricane Center a 5 días para el ciclón postropical Boris, aviso final.
Cono y trayectoria oficial del NHC (aviso final).NHC
Trayectorias de modelos8 jun, 11:00 p.m. GMT-7
10°N15°N20°N25°N115°W110°W105°W100°W95°W
GFSGFS ensemble meanHAFS-AHAFS-BHMONHCCA consensus
Gráfico de BajaStormsFuente: NOAA/NHC ATCF A-deck

Guía construida: No es el pronóstico oficial del NHC

Cronología de avisos

  1. Cronología de avisos #10

    Boris se debilita hasta convertirse en una baja remanente sobre el sur de México. Se pronostica que la amenaza de inundaciones repentinas continúe durante el día.

    Texto oficial del aviso del NHC
    ZCZC MIATCPEP2 ALL
    TTAA00 KNHC DDHHMM
     
    BULLETIN
    Post-Tropical Cyclone Boris Advisory Number  10
    NWS National Hurricane Center Miami FL       EP022026
    900 AM CST Tue Jun 09 2026
     
    ...BORIS DECAYS TO A REMNANT LOW OVER SOUTHERN MEXICO...
    ...FLASH FLOODING THREAT FORECAST TO CONTINUE THROUGH TODAY...
     
     
    SUMMARY OF 900 AM CST...1500 UTC...INFORMATION
    ----------------------------------------------
    LOCATION...16.9N 98.9W
    ABOUT 65 MI...105 KM E OF ACAPULCO MEXICO
    ABOUT 45 MI...75 KM NNW OF PUNTA MALDONADO MEXICO
    MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
    PRESENT MOVEMENT...NW OR 305 DEGREES AT 7 MPH...11 KM/H
    MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES
     
     
    WATCHES AND WARNINGS
    --------------------
    There are no coastal watches or warnings in effect.
     
     
    DISCUSSION AND OUTLOOK
    ----------------------
    At 900 AM CST (1500 UTC), the center of Post-Tropical Cyclone Boris
    was located near latitude 16.9 North, longitude 98.9 West. The
    post-tropical cyclone is moving toward the northwest near 7 mph (11
    km/h), and a west-northwestward motion is expected to continue 
    today.
     
    Maximum sustained winds are now near 30 mph (45 km/h) with higher 
    gusts.  Boris is forecast to dissipate over the mountains of 
    southern Mexico later today or tonight.
    
    The estimated minimum central pressure is 1004 mb (29.65 inches).
     
     
    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for Boris can be found in the Tropical Cyclone
    Discussion under AWIPS header MIATCDEP2 and WMO header WTPZ42 KNHC.
     
    RAINFALL: The remnants of Boris are expected to produce additional 
    rainfall totals of 1 to 4 inches across coastal portions of the 
    Mexican states of Guerrero and Oaxaca today. Some risk of additional 
    flooding and mudslides continues this morning, especially in areas 
    of steep terrain.
    
    For a complete depiction of forecast rainfall associated with 
    Tropical Storm Boris, please see the National Weather Service Storm 
    Total Rainfall Graphic available at 
    hurricanes.gov/graphics_ep2.shtml?rainqpf
     
    WIND: Wind gusts to tropical-storm force will continue along
    portions of the coast of southern Mexico for a few more hours.
     
     
    NEXT ADVISORY
    -------------
    This is the last public advisory issued by the National Hurricane
    Center on this system. For information regarding the ongoing threat 
    of heavy rainfall, please see forecasts and warnings from the 
    Meteorological Service of Mexico.
     
    $$
    Forecaster Beven
     
    NNNN

    Fuente: NOAA / NHC

  2. Cronología de avisos #9

    Boris avanza tierra adentro sobre el sur de México. Se pronostica que la amenaza de inundaciones repentinas continúe durante el día.

    Texto oficial del aviso del NHC
    ZCZC MIATCPEP2 ALL
    TTAA00 KNHC DDHHMM
     
    BULLETIN
    Tropical Storm Boris Advisory Number   9
    NWS National Hurricane Center Miami FL       EP022026
    300 AM CST Tue Jun 09 2026
     
    ...BORIS MOVES INLAND OVER SOUTHERN MEXICO...
    ...FLASH FLOODING THREAT FORECAST TO CONTINUE THROUGH TODAY...
     
     
    SUMMARY OF 300 AM CST...0900 UTC...INFORMATION
    ----------------------------------------------
    LOCATION...16.4N 98.4W
    ABOUT 105 MI...170 KM ESE OF ACAPULCO MEXICO
    ABOUT 15 MI...25 KM ENE OF PUNTA MALDONADO MEXICO
    MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
    PRESENT MOVEMENT...NNW OR 340 DEGREES AT 6 MPH...9 KM/H
    MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES
     
     
    WATCHES AND WARNINGS
    --------------------
    CHANGES WITH THIS ADVISORY:
     
    None.
     
    SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
     
    A Tropical Storm Warning is in effect for...
    * Laguna de Chacahua to Tecpan de Galeana
     
    A Tropical Storm Warning means that tropical storm conditions are
    expected somewhere within the warning area.
     
    For storm information specific to your area, please monitor
    products issued by your national meteorological service.
     
     
    DISCUSSION AND OUTLOOK
    ----------------------
    At 300 AM CST (0900 UTC), the center of Tropical Storm Boris was
    located near latitude 16.4 North, longitude 98.4 West. Boris is
    moving toward the north-northwest near 6 mph (9 km/h). A turn toward 
    the northwest and an increase in forward speed is expected early 
    this morning. On the forecast track, the center of Boris will move 
    farther inland over eastern Guerrero this morning.
     
    Maximum sustained winds are near 40 mph (65 km/h) with higher gusts.
    Rapid weakening is expected, and Boris is forecast to dissipate 
    this afternoon.
     
    Tropical-storm-force winds extend outward up to 60 miles (95 km)
    from the center.
     
    The estimated minimum central pressure is 1003 mb (29.62 inches).
     
     
    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for Boris can be found in the Tropical Cyclone
    Discussion under AWIPS header MIATCDEP2 and WMO header WTPZ42 KNHC.
     
    RAINFALL: Boris is expected to produce additional rainfall totals of 
    1 to 4 inches across coastal portions of the Mexican states of 
    Guerrero and Oaxaca today. Some risk of additional flooding and 
    mudslides continues this morning, especially in areas of steep 
    terrain.
     
    For a complete depiction of forecast rainfall associated with
    Tropical Storm Boris, please see the National Weather Service Storm
    Total Rainfall Graphic available at
    hurricanes.gov/graphics_ep2.shtml?rainqpf
     
    WIND: Tropical storm conditions are likely occurring along the
    coast in the warning area and will continue through early this
    morning.
     
     
    NEXT ADVISORY
    -------------
    Next intermediate advisory at 600 AM CST.
    Next complete advisory at 900 AM CST.
     
    $$
    Forecaster Hagen
     
    NNNN

    Fuente: NOAA / NHC

  3. Cronología de avisos #8

    Boris se acerca a la costa sur de México. Es probable que produzca inundaciones repentinas potencialmente mortales hasta el martes.

    Texto oficial del aviso del NHC
    ZCZC MIATCPEP2 ALL
    TTAA00 KNHC DDHHMM
     
    BULLETIN
    Tropical Storm Boris Advisory Number   8
    NWS National Hurricane Center Miami FL       EP022026
    900 PM CST Mon Jun 08 2026
     
    ...BORIS CLOSING IN ON THE SOUTHERN MEXICAN COASTLINE...
    ...LIKELY TO PRODUCE LIFE-THREATENING FLASH FLOODING THROUGH
    TUESDAY...
     
     
    SUMMARY OF 900 PM CST...0300 UTC...INFORMATION
    ----------------------------------------------
    LOCATION...16.0N 98.3W
    ABOUT 125 MI...200 KM ESE OF ACAPULCO MEXICO
    ABOUT 30 MI...45 KM SE OF PUNTA MALDONADO MEXICO
    MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
    PRESENT MOVEMENT...N OR 360 DEGREES AT 2 MPH...4 KM/H
    MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES
     
     
    WATCHES AND WARNINGS
    --------------------
    CHANGES WITH THIS ADVISORY:
     
    None.
     
    SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
     
    A Tropical Storm Warning is in effect for...
    * Laguna de Chacahua to Tecpan de Galeana
     
    A Tropical Storm Warning means that tropical storm conditions are
    expected somewhere within the warning area, in this case over the
    next 12 hours.
     
    For storm information specific to your area, please monitor
    products issued by your national meteorological service.
     
     
    DISCUSSION AND OUTLOOK
    ----------------------
    At 900 PM CST (0300 UTC), the center of Tropical Storm Boris was
    located near latitude 16.0 North, longitude 98.3 West. Boris is
    moving toward the north near 2 mph (4 km/h), and a turn toward the 
    northwest and an increase in forward speed is expected overnight. On 
    the forecast track, the center of Boris should reach the coast of 
    Oaxaca and Guerrero, Mexico, late tonight into Tuesday morning. 
     
    Maximum sustained winds are near 45 mph (75 km/h) with higher gusts.
    Little change in strength is forecast until landfall. Rapid 
    weakening will occur after the center crosses the coast of southern 
    Mexico. 
     
    Tropical-storm-force winds extend outward up to 60 miles (95 km)
    from the center.
     
    The estimated minimum central pressure is 1001 mb (29.56 inches).
     
     
    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for Boris can be found in the Tropical Cyclone
    Discussion under AWIPS header MIATCDEP2 and WMO header WTPZ42 KNHC.
     
    RAINFALL: Boris is expected to produce additional rainfall totals of
    3 to 6 inches, with maximum totals of 8 inches possible across
    coastal portions of the Mexican states of Guerrero and Oaxaca
    through Tuesday. This rainfall may produce life-threatening flooding
    and mudslides, especially in areas of steep terrain.
     
    For a complete depiction of forecast rainfall associated with 
    Tropical Storm Boris, please see the National Weather Service Storm 
    Total Rainfall Graphic available at 
    hurricanes.gov/graphics_ep2.shtml?rainqpf
     
    WIND:  Tropical storm conditions are likely occurring along the
    coast in the warning area and will continue into early Tuesday.
     
     
    NEXT ADVISORY
    -------------
    Next intermediate advisory at 1200 AM CST.
    Next complete advisory at 300 AM CST.
     
    $$
    Forecaster Adams/Papin
     
    NNNN

    Fuente: NOAA / NHC

  4. Cronología de avisos #7

    Boris lleva lluvias que causan inundaciones a partes del sur de México.

    Texto oficial del aviso del NHC
    ZCZC MIATCPEP2 ALL
    TTAA00 KNHC DDHHMM
     
    BULLETIN
    Tropical Storm Boris Advisory Number   7
    NWS National Hurricane Center Miami FL       EP022026
    300 PM CST Mon Jun 08 2026
     
    ...BORIS BRINGING FLOODING RAINS TO PORTIONS OF SOUTHERN MEXICO...
     
     
    SUMMARY OF 300 PM CST...2100 UTC...INFORMATION
    ----------------------------------------------
    LOCATION...15.5N 99.0W
    ABOUT 115 MI...185 KM SSE OF ACAPULCO MEXICO
    ABOUT 60 MI...100 KM SSW OF PUNTA MALDONADO MEXICO
    MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
    PRESENT MOVEMENT...NE OR 50 DEGREES AT 3 MPH...6 KM/H
    MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES
     
     
    WATCHES AND WARNINGS
    --------------------
    CHANGES WITH THIS ADVISORY:
     
    None.
     
    SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
     
    A Tropical Storm Warning is in effect for...
    * Laguna de Chacahua to Tecpan de Galeana
     
    A Tropical Storm Warning means that tropical storm conditions are
    expected somewhere within the warning area, in this case within 12
    to 24 hours.
     
    For storm information specific to your area, please monitor
    products issued by your national meteorological service.
     
     
    DISCUSSION AND OUTLOOK
    ----------------------
    At 300 PM CST (2100 UTC), the center of Tropical Storm Boris was
    located near latitude 15.5 North, longitude 99.0 West.  Boris is
    moving toward the northeast near 3 mph (6 km/h) and a turn toward 
    the north is expected later today followed by a turn to the 
    northwest on Tuesday.  On the forecast track, the center of Boris 
    should reach the coast of Guerrero, Mexico, by early Tuesday.
     
    Maximum sustained winds are near 45 mph (75 km/h) with higher gusts.
    Little change in strength is forecast until landfall.  Rapid 
    weakening will occur after the center crosses the coast of southern 
    Mexico.
     
    Tropical-storm-force winds extend outward up to 60 miles (95 km)
    from the center.
     
    The estimated minimum central pressure is 1001 mb (29.56 inches).
     
     
    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for Boris can be found in the Tropical Cyclone
    Discussion under AWIPS header MIATCDEP2 and WMO header WTPZ42 KNHC.
     
    RAINFALL: Boris is expected to produce additional rainfall totals of 
    3 to 6 inches, with maximum totals of 8 inches possible across 
    coastal portions of the Mexican states of Guerrero and Oaxaca 
    through Tuesday.  This rainfall may produce life-threatening 
    flooding and mudslides, especially in areas of steep terrain.
     
    For a complete depiction of forecast rainfall associated with
    Boris, please see the National Weather Service Storm Total Rainfall
    Graphic available at hurricanes.gov/graphics_ep2.shtml?rainqpf
     
    WIND:  Tropical storm conditions are expected to begin along the
    coast within the warning area tonight or early Tuesday.
     
     
    NEXT ADVISORY
    -------------
    Next intermediate advisory at 600 PM CST.
    Next complete advisory at 900 PM CST.
     
    $$
    Forecaster Pasch
     
    NNNN

    Fuente: NOAA / NHC

  5. Cronología de avisos #6

    El centro de Boris está más al sur de lo estimado anteriormente. Ahora se espera que toque tierra el martes.

    Texto oficial del aviso del NHC
    ZCZC MIATCPEP2 ALL
    TTAA00 KNHC DDHHMM
     
    BULLETIN
    Tropical Storm Boris Special Advisory Number   6
    NWS National Hurricane Center Miami FL       EP022026
    1200 PM CST Mon Jun 08 2026
     
    ...CENTER OF BORIS IS FARTHER SOUTH THAN PREVIOUSLY ESTIMATED...
    ...NOW EXPECTED TO MAKE LANDFALL ON TUESDAY... 
     
     
    SUMMARY OF 1200 PM CST...1800 UTC...INFORMATION
    -----------------------------------------------
    LOCATION...15.3N 99.2W
    ABOUT 120 MI...195 KM SSE OF ACAPULCO MEXICO
    ABOUT 80 MI...130 KM SSW OF PUNTA MALDONADO MEXICO
    MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
    PRESENT MOVEMENT...ENE OR 60 DEGREES AT 3 MPH...6 KM/H
    MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES
     
     
    WATCHES AND WARNINGS
    --------------------
    CHANGES WITH THIS ADVISORY:
     
    None.
     
    SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
     
    A Tropical Storm Warning is in effect for...
    * Laguna de Chacahua to Tecpan de Galeana
     
    A Tropical Storm Warning means that tropical storm conditions are
    expected somewhere within the warning area, in this case within 12
    to 24 hours.
     
    For storm information specific to your area, please monitor
    products issued by your national meteorological service.
     
     
    DISCUSSION AND OUTLOOK
    ----------------------
    At 1200 PM CST (1800 UTC), the center of Tropical Storm Boris was
    located near latitude 15.3 North, longitude 99.2 West.  Boris is
    moving toward the east-northeast near 3 mph (6 km/h) and a turn 
    toward the north is expected later today followed by a turn to 
    the northwest on Tuesday.  On the forecast track, the center of 
    Boris should reach the coast of Guerrero, Mexico, on Tuesday.
     
    Maximum sustained winds are near 45 mph (75 km/h) with higher gusts.
    Little change in strength is forecast until landfall.  Rapid 
    weakening will occur after the center crosses the coast of southern 
    Mexico.
     
    Tropical-storm-force winds extend outward up to 35 miles (55 km)
    from the center.
     
    The estimated minimum central pressure is 1001 mb (29.56 inches).
     
     
    HAZARDS AFFECTING LAND
    ----------------------
    Key messages for Boris can be found in the Tropical Cyclone
    Discussion under AWIPS header MIATCDEP2 and WMO header WTPZ42 KNHC.
     
    RAINFALL: Boris is expected to produce additional rainfall totals of
    4 to 8 inches, with maximum totals of 12 inches possible across
    coastal portions of the Mexican states of Guerrero and Oaxaca
    through Tuesday. This rainfall may produce life-threatening flooding
    and mudslides, especially in areas of steep terrain.
     
    For a complete depiction of forecast rainfall associated with
    Boris, please see the National Weather Service Storm Total Rainfall
    Graphic available at hurricanes.gov/graphics_ep2.shtml?rainqpf
     
    WIND:  Tropical storm conditions are expected to begin along the 
    coast within the warning area tonight or early Tuesday.
     
     
    NEXT ADVISORY
    -------------
    Next intermediate advisory at 1200 PM CST.
    Next complete advisory at 300 PM CST.
     
    $$
    Forecaster Pasch
     
    NNNN

    Fuente: NOAA / NHC