NEW YORK, July 15 (Reuters) – Meteorologists are bracing for a “brutal” heat wave next week, with forecasts showing temperatures exceeding 45°C in parts of the United States. Some experts have admitted to seeing “unmentionable” values in their models, values they are reluctant to disclose publicly.
The core seed term, aviso de calor, is a life-threatening alert. This is not a routine summer spike. The data suggests a potential “heat apocalypse” for large swaths of the country.
The Two Models Disagree on Details, But Agree on Danger
The two major weather models do not agree on the exact trajectory of the heat dome. One predicts a western focus; the other pushes it further east. Both, however, confirm the US will be hit directly.
The mechanism is a stalled high-pressure system. It traps hot air, compresses it, and prevents cooling. This creates a heat dome. Vulnerable regions in the Southwest and Southern Plains could see highs breach 45°C (113°F).
‘Unmentionable’ Predictions: What Experts Are Too Afraid to Say
Sources like Xataka report experts referencing “otros valores que no me atrevo a mencionar.” These unspoken figures likely include localized readings above 50°C in urban heat islands. Overnight lows may also fail to drop below 32°C, offering no relief.
Jorge Rey, a controversial forecaster, described the summer as “apoteósico” (apocalyptic) to El Confidencial. The Spanish state agency AEMET uses more cautious language. This tension reflects the models’ uncertainty and the severity of the third heat wave.
Geographic Hotspots: Ground Zero
Analogous patterns from Spanish heat waves, as reported by Tiempo.com, highlight the “Mediterranean communities.” In the US, this translates to:
| Region | Likely Impact |
|---|---|
| Southwest (AZ, NV) | Phoenix, Las Vegas: prolonged 45°C+ days. |
| Southern Plains (TX, OK) | Dallas, Oklahoma City: humidity will raise heat index. |
| Midwest | St. Louis, Chicago: risk of infrastructure strain. |
La canícula (dog days) begin this week. Tiempo.com noted “pintan bastos” (things look tough) for Mediterranean regions. The same duration is expected here: weeks of oppressive heat.
Health and Infrastructure Collapse
The real-world impact at 45°C+ is rapid. Heatstroke cases will overwhelm emergency rooms. Power grids will face peak demand, risking brownouts. Rail lines can buckle; asphalt can melt.
Vulnerable populations—the elderly, homeless, and those without AC—face the highest mortality risk. This is the core of the aviso de calor.
Expert Voices: Jorge Rey vs. AEMET
Rey’s claim that “Junio ha sido apoteósico y el verano va a ser apoteósico” from El Confidencial is stark. AEMET’s official stance is more restrained, focusing on maximums of 44°C. The public should prioritize the most conservative, life-saving guidance.
Historical Context
This event is being compared to the 2021 Pacific Northwest heat dome, which killed hundreds. The 2023 southern US heat wave lasted weeks. This one may be more intense, as suggested by the “pintan bastos” reference from Tiempo.com.
Actionable Preparedness
Monitor local aviso de calor alerts. Install AC or locate public cooling centers. Avoid outdoor activity between 10 a.m. and 4 p.m. Know the signs of heat exhaustion (heavy sweating, weakness) vs. heat stroke (hot, dry skin, confusion).
💡 Frequently Asked Questions (FAQ)
- Q: What is an aviso de calor?
- A: An aviso de calor is a life-threatening heat alert, warning of extreme temperatures that can pose serious health risks.
- Q: Why are experts afraid to disclose certain predictions?
- A: Some model values show localized readings above 50°C and overnight lows above 32°C, which are considered ‘unmentionable’ due to their severity and potential to cause panic.
- Q: Which regions in the US will be most affected?
- A: The Southwest and Southern Plains are most vulnerable, with highs potentially breaching 45°C (113°F) under a stalled high-pressure system creating a heat dome.
Extended Reading
For further details on the model disagreement and expert quotes, refer to Xataka’s report on the “brutal” forecast. For Jorge Rey’s “apoteósico” prediction and AEMET’s response, see El Confidencial. For the onset of la canícula, consult Tiempo.com. These sources provide the raw data behind the warnings.