National Weather Service United States Department of Commerce

Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >

* AT 1220 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM...CAPABLE OF PRODUCING BASEBALL SIZE HAIL AND
DESTRUCTIVE 70 MPH WINDS...14 MILES SOUTH OF SAN YGNACIO...MOVING
EAST AT 50 MPH.

This is the reason we issued the warning.

The time we detected a severe thunderstorm on radar or someone reported a severe thunderstorm.

What makes the storm dangerous or damaging? is it wind or hail, a tornado? How big is the hail. All of this will be here.

Where is the storm? What direction is it moving?

Sometimes there may be a combination of reports from earlier with this storm and where it is currently located, using radar.

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