Clarity Brings Confidence

In California, accurate water year precipitation forecasts give customers the power to make operational decisions with certainty.
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Unanticipated precipitation extremes cost California businesses billions of dollars annually. Most operational decisions related to precipitation cannot be made based on a short-term, 7-day forecast. The most impactful ones require a lead time of months.

The Weather Tools California Annual Precipitation (CAP) report is issued with nearly 12 months of lead time. This specific and actionable water year precipitation forecast enables businesses and individuals to plan effectively, make informed decisions, and mitigate risks.

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Accurate Forecasts Seven Years and Counting

Product

CAP's water year precipitation forecast answers the question "will California be wet or dry this year?" as well as providing a specific range of expected precipitation.

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Benefits

The CAP forecast brings a new level of certainty to an uncertain process. Predictability to the unpredictable.

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Success Stories

The CAP forecast can benefit decision-making, operations, and profitability in ways that no other forecasting tool has.

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Accurate & Actionable Water Year Precipitation Forecasts

Weather Tools’ California Annual Precipitation (CAP) product forecasts the total water year (Oct 1-Sept 30) precipitation in 20% ranges relative to normal.

For example, the 2021-22 forecast was 20-40% below normal; the 2022-23 was 20-40% above normal and both successfully verified. Issued the first week of November, customers know what to expect 11 months ahead of time!

Rather than planning for many different precipitation-related scenarios, the CAP forecast allows customers to narrow the scope of possibilities and manage a set of likely outcomes.

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7 Years of Accurate Annual Forecasts

Practical Applications in Critical Sectors

Imagine what you could do with an accurate water year precipitation forecast. Rather than planning for many different precipitation-related scenarios, the CAP forecast allows customers to narrow the scope of possibilities and manage a set of likely outcomes. With this knowledge, improvements can be made in:

  • Business Operations
  • Asset Protection
  • Risk Mitigation
  • Claims Validation
  • Resource Allocation
  • Infrastructure Investments
  • Emergency Services
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The Weather Tools Difference

Timing

The CAP forecast is issued a full year ahead of time, dramatically extending the lead-time to make strategic decisions. No more “wait and see.”

One & Done

Unlike the Climate Prediction Center’s seasonal outlooks that are updated and adjusted every month, the Weather Tools CAP forecast is issued once and doesn’t change.

Clarity & Confidence

The forecast does not give probabilities or likelihoods that are difficult to interpret and even harder to act upon. CAP offers a specific, clear prediction of the expected precipitation amount.

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