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Episode 1

U.S. Heat Wave June 2025

A look at the 2025 hurricane season outlook, forecast updates, safety tips, and new improvements in storm prediction tools.

6/1/25
13 min

Summary

In this episode of WxWaves, we break down the record-shattering heat wave that swept across the United States in June 2025. From soaring temperatures to dangerous humidity, we explore how this extreme event unfolded, which regions were hardest hit, and the science behind the persistent heat dome that fueled it. Drawing from iAlert, NOAA, NASA, and NCEI data, the episode discusses how climate patterns, ocean temperatures, and atmospheric circulation contributed to the crisis. We also highlight real-world impacts on public health, infrastructure, and emergency response, and share practical heat safety guidance to help you stay prepared in a warming world.

Timeline

00:00–02:00 Weather trends, expert takes, and the truth behind the data, plus an introduction to today's episode covering extreme heat and survival tips.
02:00–04:00 Review of global climate data from May 2025; NOAA's temperature records show a persistent warming trend and likelihood of 2025 being among the top 5 warmest years.
04:00–06:00 Regional heat extremes in UAE, Iceland, France, and UK, highlighting new national records and widespread marine heatwaves.
06:00–08:00 Details on the U.S. June 2025 heat dome: how it formed, who it affected, and the role of the heat index in communicating risk.
08:00–10:00 Precipitation extremes: global wettest May on record alongside localized droughts, showing climate variability and disruption.
10:00–12:00 Flood case studies: devastating rainfall in Haiti, Algeria, and Argentina; contrast with dry zones like Mexico, UK, and Germany.
12:00–14:00 Heat safety tips: hydration, clothing, adjusting outdoor activity, and the dangers of hot vehicles and surfaces.
14:00–16:04 Recognizing and responding to heat exhaustion vs. heat stroke, plus a call to community care and climate adaptation.

Sources

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