WeatherPower Severe Center
Official SPC outlooks, NWS alerts, Day 1–8 risk maps, and hazard-specific views.
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Checking the latest SPC outlook areas for your location.
This module blends SPC outlook areas with NWS forecast wording, precipitation chances, wind/gust guidance, and active local alerts.
Storm Ingredients
Potential Impacts
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    Storm Risk Timeline — 72 Hours
    Composite severe signal SPC risk levels blended with NWS forecast data and live model CAPE / shear / SRH.
    Forecast Controls
    Forecast Day
    Outlook Type
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    HAZARD SUMMARY
    Forecast Day
    Outlook Type
    Map View
    Live outlook preview — generating the current SPC image now.
    Flat national map view
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    WHAT THIS SHOWS

    This page displays severe weather outlooks from the NOAA Storm Prediction Center (SPC) for Days 1 through 8. These outlooks show the risk of severe thunderstorms including tornadoes, large hail, and damaging winds across the contiguous United States.

    The map visualizations and images are generated for easy viewing and sharing. All data comes directly from official SPC products.

    OFFICIAL SPC DATA

    SPC Outlook Polygons
    The raw SPC outlook exactly as they publish it. Uses official SPC colors, labels, and probability percentages. Best for users who are familiar with SPC products.

    OUTLOOK TYPES

    Overview / Categorical (Days 1–3)
    The overall severe weather risk for the day. In SPC Official view this includes categories like Marginal, Slight, Enhanced, Moderate, and High.
    Tornado / Hail / Wind (Days 1–2)
    Hazard-specific outlooks that show where each threat is favored. Each hazard has its own percentage areas and supporting discussion.
    Conditional Intensity Guidance (Days 1–2)
    Shows where SPC conditional intensity guidance is available inside hazard-probability outlooks.
    Extended Range (Days 4–8)
    Used when severe weather is possible several days out. These outlooks are less detailed because confidence is lower at longer lead time.

    SPC UPDATE SCHEDULE

    OutlookUpdate Times (Z)
    Day 101Z, 06Z, 13Z, 1630Z, 20Z
    Day 206Z, 17Z
    Day 30730Z
    Days 4–809Z
    OFFICIAL SOURCES

    Always check official NWS/SPC products for life-safety decisions.

    SPC Outlooks SPC Mesoscale Discussions Storm Prediction Center weather.gov