Areas of Excessive Rainfall and Severe Thunderstorms for Friday

Heavy to excessive rainfall may produce areas of flooding Friday and Friday night from central Texas into the lower Mississippi Valley. Scattered strong to severe thunderstorms are expected from central Texas to middle Tennessee and central Kentucky Friday afternoon into early Friday night. Large hail and damaging winds are the main threats. Read More >

Getting The Word | Climatology | Winter Storms | Definitions

The National Weather Service uses the following definitions when describing winter weather:

An advance statement that severe winter weather conditions are possible within the next day or two.

An urgent statement that severe winter weather conditions have begun or will begin within about 12 hours.

Advisory

A statement that winter weather conditions are imminent or occurring. These conditions will cause significant inconvenience, and may become hazardous or life-threatening if safety tips are not followed.

Heavy Snow

Snowfall which accumulates to a depth of at least 4 inches in 12 hours or 6 inches in 24 hours.

Sleet

Pellets of ice composed of frozen or mostly frozen raindrops, or snowflakes which have melted and refrozen.

Freezing Rain/Freezing Drizzle

Rain or drizzle which falls as liquid then freezes when it strikes the ground or other surface.

Frost

The formation of thin ice crystals on the ground or other surfaces.

Wind Chill

A cooling effect caused when wind blows across exposed skin.

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Areas of Excessive Rainfall and Severe Thunderstorms for Friday

NWS Ft. Worth