A significant late-season winter storm will bring an expanding area of heavy snow, sleet, and freezing rain to the Northern Plains and Upper Midwest. Further south, severe thunderstorms are expected from the southern Plains into the southern Great Lakes. A multi-day excessive rain and flooding event will impact the Ozarks into the Ohio Valley through Saturday. Read More >
Fort Worth/Dallas, TX
Weather Forecast Office
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4 Panel Display | Animated Loop CIN The image is a surface based measurement of Convective INhibition (CIN) or what is sometimes more commonly referred to as the strength of the cap. The value is capped off at 500 J/KG. In cases where there is no surface based CAPE available this parameter is set to 500 J/KG. The yellow contours are the Lid Strength Index (LSI). This is another measure of how strong the cap is. It shows the thermal difference between a lifted surface parcel and the warmest part of the cap. Higher values indicate a more stable layer. In general, the Cap is said to be breakable when CIN is 30 J/Kg or less and/or the LSI is 2 degrees or less. A negative LSI is rare, but is indicative of freely buoyant low level instability. |
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