People wait in a long line to buy groceries at H-E-B on South Congress Avenue during an extreme cold snap and widespread power outage on Tuesday, Feb. 16, 2021, in Austin, Texas. (Jay Janner/Austin American-Statesman via AP)
AUSTIN, Texas, EE.UU. (AP) — Una fuerte tormenta invernal azotaba el miércoles el centro de Estados Unidos con temperaturas gélidas, dejando a millones de personas sin electricidad y revelando que las redes eléctricas del país no están equipadas ante la realidad del cambio climático.
Al menos 20 personas han fallecido, incluso algunos que murieron de frío dentro de sus propias viviendas. En la zona de Houston, una familia pereció intoxicada por el gas emanado por su automóvil en su garaje. Otra murió cuando el fuego de su chimenea provocó un incendio.
Las temperaturas inusualmente bajas se deben al inusual fenómeno climático llamado vórtice polar, que usualmente se queda en el Ártico y que en años recientes se ha desplazado al sur y ha permanecido allí por períodos extensos. Los expertos advierten que el calentamiento global causado por la actividad humana está haciendo que el vórtice polar se desplace hacia el sur en estadías cada vez más prolongadas y frecuentes.
Más de 100 millones de personas habitan las regiones estadounidenses afectadas por el fenómeno meteorológico, incluso Texas y otros estados que albergan las planicies del sur-centro del país.
Las empresas eléctricas desde Minnesota hasta Texas y Mississippi aplicaban interrupciones rotativas de suministro a fin de adaptarse a la inusitada demanda de electricidad y calefacción. México también impuso apagones rotativos luego que las tormentas en Texas entorpecieron la capacidad del estado de enviar gas natural a su vecino del sur.
Casi 3 millones de habitantes se quedaron sin electricidad en Texas, Luisiana y Mississippi, otros 200.000 en otros cuatro estados del sur y cerca de la misma cantidad en los estados del noroeste, según el portal poweroutage.us, que monitorea los apagones en Estados Unidos.
Los expertos pronosticaron que la tormenta más reciente traerá nieve y hielo al este de Texas, Arkansas y Mississippi antes de desplazarse hacia el noreste el jueves. Se emitieron alertas a la ciudadanía desde Baltimore a Boston y en Texas se anticipaba más lluvia helada y nieve.
“Realmente, no parecen acabar los problemas para los habitantes de toda esa región”, expresó Bob Oravec, director de pronósticos del Servicio Nacional de Meteorología.
La tormenta, por otra parte, está entorpeciendo el lanzamiento de la campaña nacional de vacunación contra el COVID-19. El gobierno ha advertido que es probable que haya demoras en los envíos de las dosis.
De lejos, los peores apagones fueron en Texas, donde las autoridades locales solicitaron 60 generadores a la Agencia Nacional de Manejo de Emergencias a fin de ayudar a hospitales y hogares de ancianos. Las autoridades allí abrieron 35 albergues para alojar a unas 1.000 personas amenazas por las gélidas temperaturas, informó la agencia.
Galería de tormenta invernal en EEUU:
A homeless man Tuesday, Feb. 16, 2021, sleeps at the Chicago Transit Authority’s Clark & Dearborn bus station, the morning after a snowstorm dumped up to 18 inches in the greater Chicago area. (AP Photo/Charles Rex Arbogast)
People wait in a long line to buy groceries at H-E-B on South Congress Avenue during an extreme cold snap and widespread power outage on Tuesday, Feb. 16, 2021, in Austin, Texas. (Jay Janner/Austin American-Statesman via AP)
People line up to enter Costco in Pflugerville, Texas, Tuesday morning, Feb 16, 2021. Anger over Texas’ power grid failing in the face of a record winter freeze mounted Tuesday as millions of residents in the energy capital of the U.S. remained shivering with no assurances that their electricity and heat — out for 36 hours or longer in many homes — would return soon or stay on once it finally does. (Ricardo B. Brazziell/Austin American-Statesman via AP)
Christine Chapman, center, sets down an empty canister to exchange for a full propane tank from Robert Webster, left, outside a grocery store Tuesday, Feb. 16, 2021, in Dallas. Even though the store lost power, it was open for cash only sales. Chapman said she has been without power for two nights and is using the propane to keep warm. (AP Photo/LM Otero)
Pastor Gavin Rogers, left, tries to convince people to come to his warming shelter to escape sub-freezing temperatures, Tuesday, Feb. 16, 2021, in San Antonio. (AP Photo/Eric Gay)
People seeking shelter from below freezing temperatures rest inside a church warming center Tuesday, Feb. 16, 2021, in Houston. More than 4 million people in Texas still had no power a full day after historic snowfall and single-digit temperatures created a surge of demand for electricity to warm up homes unaccustomed to such extreme lows, buckling the state’s power grid and causing widespread blackouts. (AP Photo/David J. Phillip)
A man seeking shelter from the cold embraces his dog Dittle D Bear while resting at a warming shelter, Tuesday, Feb. 16, 2021, in Odessa, Texas. The man who declined to give his real name was a traveler that arrived the night before and stated he was in Odessa this time last year. (Eli Hartman/Odessa American via AP)
Howard and Nena Mamu eat dinner at their home in the Glenwood neighborhood in Hutto, Texas, Tuesday, Feb 16, 2021. Anger over Texas’ power grid failing in the face of a record winter freeze mounted Tuesday as millions of residents in the energy capital of the U.S. remained shivering with no assurances that their electricity and heat — out for 36 hours or longer in many homes — would return soon or stay on once it finally does. (Ricardo B. Brazziell/Austin American-Statesman via AP)
Ivan Gonzales, left, works with his brother-in-law Gabriel Martinez to assist a motorist using a carpet up a hill along the snow-covered Cherrywood Road in Austin, Texas, on Tuesday, Feb. 16, 2021. The statewide freeze has resulted in many roads to become layered with ice and snow making several impassible and hazardous to both drivers and pedestrians.. (Bronte Wittpenn/Austin American-Statesman via AP)
City of Richardson worker Kaleb Love breaks ice on a frozen fountain Tuesday, Feb. 16, 2021, in Richardson, Texas. Temperatures dropped into the single digits as snow shut down air travel and grocery stores. (AP Photo/LM Otero)
Brett Archibad tries to entertain his family as they attempt to stay warm in their home the BlackHawk neighborhood in Pflugerville, Texas, Tuesday, Feb 16, 2021. Anger over Texas’ power grid failing in the face of a record winter freeze mounted Tuesday as millions of residents in the energy capital of the U.S. remained shivering with no assurances that their electricity and heat — out for 36 hours or longer in many homes — would return soon or stay on once it finally does. (Ricardo B. Brazziell/Austin American-Statesman via AP)
Crews with Tupelo Public Works begin to clear the intersection of South Green and Eason Blvd., Monday night, Feb. 15, 2021, as they work through the night to make the roads safe for travel in Tupelo, Miss. (Thomas Wells/The Northeast Mississippi Daily Journal via AP)
This aerial photo shows the devastation Tuesday Feb. 16, 2021, in the Ocean Ridge Plantation area of Brunswick County, N.C. following a tornado. (Ken Blevins/The Star-News via AP)
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