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  2. Apr 30, 2024 · Changes to NWS Forecast & Marine Pages as of April 30. NWS forecast.weather.gov and marine.weather.gov pages moved to the Integrated Dissemination Program (IDP) on April 30, 2024 as referenced in SCN 24-30. Please see below for a detailed list of expected differences, known issues, and resolutions.

  3. Jun 13, 2024 · It’s unlikely, but not impossible, for weak and moderate El Niños to lead to a strong La Niña (Niño 3.4 temperature anomaly of more than 1.5 ˚C below average). Only one of the pink and orange lines gets below that threshold. Meanwhile, 4 of the 6 strong El Niños do evolve into strong La Niñas.

  4. Sep 3, 2015 · OFFICIAL Forecasts: Jul-Aug-Sep 2024 Click here for information about the three-month outlook

  5. Oct 1, 2020 · The CPC issues maps showing the probabilities of temperature, precipitation and sea surface temperatures (SSTs) deviation from normal for the next month and three month periods. These outlooks are issued from 2 weeks to 13 months in advance, for the lower 48 states and Hawaii and other Pacific Islands.

  6. Dec 14, 2005 · Briefing Materials (updated as new information arrives) Official 90-day Outlooks are issued once each month near mid-month at 8:30am Eastern Time. Please consult the schedule of 30 & 90-day outlooks for exact release dates.

  7. Jul 1, 2024 · Visit our Complete Guide to Summer for an in-depth look at the Summer Forecast, tips to plan for it and much more! It feels more like late May or early June across most of Southern Canada as we ...

  8. 12 hours ago · In the United States, as in most other countries, weather forecasts are a freely accessible government amenity. The National Weather Service issues alerts and predictions, warning of hurricanes ...