Weather

18
Jun 2024
10:16 UTC

Americas Tactical: Potential Tropical Cyclone 1 triggers red alerts for rains, floods regionwide as of June 18; remain cognizant of authorities’ updates

Current Situation

  • Multiple meteorological agencies and concerned authorities regionwide have issued warnings and implemented preventative measures due to a low-pressure system and the formation of Potential Tropical Cyclone 1 over the Gulf of Mexico. An intertropical convergence zone and depression field are forecast over Central America.
  • In El Salvador, the Ministerio de Medio Ambiente y Recursos Naturales (MARN) on June 17 issued red alerts, the highest on a four-tier scale, for heavy rainfall, strong winds, and storms, with potential for floods and landslides nationwide through June 20. Additionally, the Sistema Nacional de Proteccion Civil on June 17 reported the activation of 34 of 117 shelters nationwide amid increased rainfall.
  • In Guatemala, the Instituto Nacional de Sismologia, Vulcanologia, Meteorologia e Hidrologia (INSIVUMEH) has forecasted rains and strong winds between June 18-22, with severe local storms predicted in parts of the Motagua Valley and along the Caribbean coast. Additionally, the Ministerio de Educacion (MINEDUC) has temporarily suspended face-to-face classes at educational institutions across 14 departments, including Alta Verapaz, Baja Verapaz, Chiquimula, Escuintla, Guatemala, Huehuetango, Jutiapa, Peten, Quetzaltenango, Retalhuleu, San Marcos, Santa Rosa, Solola and Suchitepequez.
  • In Honduras, the Secretaria de Gestion de Riesgos y Contingencias Nacionales (COPECO) issued a red alert, the highest on a three-tier scale, for heavy rainfall and thunderstorms for Alianza in Valle department as of June 18.
  • In Mexico, the Servicio Meteorologico Nacional (SMN) has forecasted that the potential tropical cyclone will make landfall in the San Fernando and Soto la Marina districts of Tamaulipas on June 19-20. SMN issued a tropical storm watch for Campeche, with heavy rainfall potentially causing flash flooding in Campeche city. Heavy rainfall in Chetumal, Yucatan since June 15 reportedly necessitated authorities to initiate search-and-rescue operations for at least 1,546 confined individuals. Per June 18 reports, heavy rainfall in Chetumal is expected to persist through June 20.
  • The US National Weather Service (NWS) has issued a coastal flood warning and dangerous rip currents along coastlines in Louisiana and Texas until June 19 amid the potential tropical cyclone over the Gulf of Mexico. The National Hurricane Center (NHC) forecasts strong winds, heavy rainfall causing flash and urban flooding, alongside potential river flooding from at least June 19-20.

Recommendations

Those residing or operating in El Salvador, Guatemala, Honduras, Mexico, and the USA on June 18 and in the coming days are advised to remain cognizant of authorities’ updates regarding weather-related risks.

AFFECTED AREA Americas
INCIDENT RISK LEVEL Medium
STRENGTH OF SOURCE Confirmed

Current Situation

  • Multiple meteorological agencies and concerned authorities regionwide have issued warnings and implemented preventative measures due to a low-pressure system and the formation of Potential Tropical Cyclone 1 over the Gulf of Mexico. An intertropical convergence zone and depression field are forecast over Central America.
  • In El Salvador, the Ministerio de Medio Ambiente y Recursos Naturales (MARN) on June 17 issued red alerts, the highest on a four-tier scale, for heavy rainfall, strong winds, and storms, with potential for floods and landslides nationwide through June 20. Additionally, the Sistema Nacional de Proteccion Civil on June 17 reported the activation of 34 of 117 shelters nationwide amid increased rainfall.
  • In Guatemala, the Instituto Nacional de Sismologia, Vulcanologia, Meteorologia e Hidrologia (INSIVUMEH) has forecasted rains and strong winds between June 18-22, with severe local storms predicted in parts of the Motagua Valley and along the Caribbean coast. Additionally, the Ministerio de Educacion (MINEDUC) has temporarily suspended face-to-face classes at educational institutions across 14 departments, including Alta Verapaz, Baja Verapaz, Chiquimula, Escuintla, Guatemala, Huehuetango, Jutiapa, Peten, Quetzaltenango, Retalhuleu, San Marcos, Santa Rosa, Solola and Suchitepequez.
  • In Honduras, the Secretaria de Gestion de Riesgos y Contingencias Nacionales (COPECO) issued a red alert, the highest on a three-tier scale, for heavy rainfall and thunderstorms for Alianza in Valle department as of June 18.
  • In Mexico, the Servicio Meteorologico Nacional (SMN) has forecasted that the potential tropical cyclone will make landfall in the San Fernando and Soto la Marina districts of Tamaulipas on June 19-20. SMN issued a tropical storm watch for Campeche, with heavy rainfall potentially causing flash flooding in Campeche city. Heavy rainfall in Chetumal, Yucatan since June 15 reportedly necessitated authorities to initiate search-and-rescue operations for at least 1,546 confined individuals. Per June 18 reports, heavy rainfall in Chetumal is expected to persist through June 20.
  • The US National Weather Service (NWS) has issued a coastal flood warning and dangerous rip currents along coastlines in Louisiana and Texas until June 19 amid the potential tropical cyclone over the Gulf of Mexico. The National Hurricane Center (NHC) forecasts strong winds, heavy rainfall causing flash and urban flooding, alongside potential river flooding from at least June 19-20.

Recommendations

Those residing or operating in El Salvador, Guatemala, Honduras, Mexico, and the USA on June 18 and in the coming days are advised to remain cognizant of authorities’ updates regarding weather-related risks.

AFFECTED AREA Americas
INCIDENT RISK LEVEL Medium
STRENGTH OF SOURCE Confirmed