Climate and Weather Kalshi July 22, 2026
Tropical Storm Bertha forms in Gulf, heads for southeast Louisiana
Hurricane Bertha category?
Kalshi prices this Category 1 or above at 11%. The reporting broadly agrees.
Tropical Storm Bertha has formed in the Gulf of Mexico and is heading for southeast Louisiana, bringing heavy rain and strong winds. The storm is currently a tropical storm, with maximum sustained winds of 40-50 mph. Traders put the crowd's probability of Bertha reaching category 1 or above at 11%, even though the reporting suggests the storm is lopsided and messy, which could impact its strength. Over the past 24 hours, the crowd's confidence in Bertha reaching category 1 or above has increased, with a +7 pts move in the odds. The market is lightly traded, with a total of $14K dollars traded so far.
Background
Bertha is the third named storm of the 2026 Atlantic hurricane season. The National Hurricane Center is tracking the storm, which is expected to bring heavy rain and strong winds to the Gulf Coast. The storm's formation comes as the region is already experiencing heavy rainfall and flash flooding. Bertha is expected to make landfall in the next few days, with the National Hurricane Center predicting a category 1 or above storm. The market resolves on December 1, 2026, and is currently trading at a low volume.
The precedent
- The Atlantic hurricane season typically peaks in September, with the majority of storms forming in the Gulf of Mexico
Context compiled by Crowdtells from the public record — verify before relying on it.
What the coverage agrees on
- Bertha has formed in the Gulf of Mexico
- The storm is currently a tropical storm
- Bertha is expected to bring heavy rain and strong winds to the Gulf Coast
- The National Hurricane Center is tracking the storm
How outlets frame it
- NOLA.com: emphasizes the potential impact of Bertha on the region's infrastructure and economy
- USA Today: highlights the storm's lopsided and messy nature, which could impact its strength
What to watch
The next few days will be crucial in determining the strength and trajectory of Bertha. The National Hurricane Center will continue to track the storm and provide updates on its progress. A shift in the storm's track or intensity could impact the market's confidence in Bertha reaching category 1 or above.
The numbers behind this
Kalshi prices this Category 1 or above at 11%.
24h +7.0 pts
$14K traded · $12.1K in the last day · $9.7K open interest
Resolves on: If Bertha reaches maximum sustained winds of greater than or equal to 74 mph according to the NOAA's National Hurricane Center, then the market resolves to Yes.
Pricing Kalshi 11%
Sources
- National Hurricane Center tracking Tropical Storm Bertha, 3 tropical waves tallahassee.com
- Ask the Meteorologist: How does current storm in the Gulf differ from Bertha of 1996? wral.com
- Tropical Storm Bertha forms in Gulf, heads for southeast Louisiana nola.com
- Tropical Storm Bertha is messy and lopsided. That's important. usatoday.com
- Tropical Storm Bertha makes landfall but damage appears limited npr.org
Frequently asked questions
Hurricane Bertha category?
Kalshi prices this Category 1 or above at 11%. The reporting broadly agrees.
What do the sources agree on?
Bertha has formed in the Gulf of Mexico The storm is currently a tropical storm Bertha is expected to bring heavy rain and strong winds to the Gulf Coast The National Hurricane Center is tracking the storm
When does this market resolve?
This market resolves on: If Bertha reaches maximum sustained winds of greater than or equal to 74 mph according to the NOAA's National Hurricane Center, then the market resolves to Yes.
How are these odds set?
Prediction-market odds are prices set by people trading real money on the outcome, so the price reads as the crowd’s implied probability — not a guarantee or financial advice.
AI-written briefing grounded in 5 sources and the live market, edited by Samuel Jo. Odds are crowd probabilities, not advice — how this works.