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Hurricane Polo intensified from tropical storm to Category 5 in under 24 hours.

On Sept. 22, Hurricane Polo intensified from tropical storm to Category 5 within 24 hours, reaching 180 mph before weakening to Category 4.

SourcesBBC17:33 UTCLive Science18:46 UTCSave

Key points

From Live Science’s report
  • Polo exploded from tropical storm to Category 5 in under 24 hours on Sept. 22.
  • Winds reached 180 mph (290 km/h) before Polo was downgraded to Category 4.
  • The storm is off the southwest coast of Mexico and bringing heavy rain.
  • NHC warns of life-threatening flooding, mudslides, and hazardous ocean conditions.
  • Experts attribute the rapid intensification to warm Pacific waters and a super El Niño.

Why it matters. Off southwestern Mexico, Polo is bringing heavy rain, with warnings for life-threatening flooding, mudslides, and hazardous ocean conditions.

What to watch. Monitor rainfall, flood and mudslide warnings, ocean hazards, and further changes in Polo’s strength and track.

Coverage

Oldest first · UTC

“Did El Niño turn Hurricane Polo into the most powerful storm of the season?”

Key points from BBC
  • Hurricane Polo is one of the strongest storms this season in the Pacific.
  • Polo was downgraded to a category 4 hurricane but remains very powerful.
  • It was projected to head toward south-western Mexico's coast with strong winds and rain.
  • The storm is slow-moving and fueled by unusually warm waters linked to El Niño.
  • BBC explains how El Niño contributed to Polo's intensity and impact.
SourceBBCUnited KingdomLeanCenterCredibilityRatings: AllSides, MBFCRead at BBC

“How did Hurricane Polo get so powerful?”

Key points from Live Science
  • Polo exploded from tropical storm to Category 5 in under 24 hours on Sept. 22.
  • Winds reached 180 mph (290 km/h) before Polo was downgraded to Category 4.
  • The storm is off the southwest coast of Mexico and bringing heavy rain.
  • NHC warns of life-threatening flooding, mudslides, and hazardous ocean conditions.
  • Experts attribute the rapid intensification to warm Pacific waters and a super El Niño.
SourceLive ScienceUnited StatesLeanCenterCredibilityRatings: AllSides, MBFCRead at Live Science

Coverage

Oldest first · UTC
SourceBBCUnited KingdomLeanCenterCredibilityRatings: AllSides, MBFCRead at BBC“Did El Niño turn Hurricane Polo into the most powerful storm of the season?”
Key points from BBC
  • Hurricane Polo is one of the strongest storms this season in the Pacific.
  • Polo was downgraded to a category 4 hurricane but remains very powerful.
  • It was projected to head toward south-western Mexico's coast with strong winds and rain.
  • The storm is slow-moving and fueled by unusually warm waters linked to El Niño.
  • BBC explains how El Niño contributed to Polo's intensity and impact.
SourceLive ScienceUnited StatesLeanCenterCredibilityRatings: AllSides, MBFCRead at Live Science“How did Hurricane Polo get so powerful?”
Key points from Live Science
  • Polo exploded from tropical storm to Category 5 in under 24 hours on Sept. 22.
  • Winds reached 180 mph (290 km/h) before Polo was downgraded to Category 4.
  • The storm is off the southwest coast of Mexico and bringing heavy rain.
  • NHC warns of life-threatening flooding, mudslides, and hazardous ocean conditions.
  • Experts attribute the rapid intensification to warm Pacific waters and a super El Niño.

Why it’s in the Brief

Ranked 5th of 10.

Starting score
5.0
Public-interest topic
+1.0
Public-interest terms in the text
+1.25
High-reliability sources
+0.75
Corroboration by independent outlets
+0.8
Score
8.8

The ranking is the same for everyone.

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