Snow Tonight – Tomorrow; Winter Storm Warnings Issued

Snow remains likely across Southeast Louisiana, South Mississippi, and parts of South and Central Alabama tonight through tomorrow. Additionally, snow is likely across a portion of South Texas tonight (which we noted in a Facebook post earlier this afternoon).

Southeast Louisiana, South Mississippi, South/Central Alabama:

Graphic showing Winter Weather Advisories and Winter Storm Warnings in place.

WINTER STORM WARNING: A Winter Storm Warning has been issued for portions of Southeast Mississippi and Southwest Alabama; it goes into effect at 9:00 PM CST tonight and expires at 12:00 PM CST tomorrow.

WINTER WEATHER ADVISORY: A Winter Weather Advisory was issued for parts of Southeast Louisiana, South Mississippi, and South and Central Alabama this morning; it also goes into effect at 9:00 PM CST tonight and expires at noon (CST) tomorrow.

Timing: A mix of rain, snow, and potentially some sleet will begin across Southeast Louisiana and Southern Mississippi around midnight tonight. This mix will then expand north and east into South and Central Alabama between 2:00 AM CST and 5:00 AM CST.

A change over to completely to snow should occur between 8:00 AM CST and 10:00 AM CST tomorrow morning for most.

The event should come to an end from west to east tomorrow by tomorrow afternoon, as precipitation moves out.

Forecast snowfall accumulations through tomorrow night from NOAA’s Weather Prediction Center. (Graphic courtesy of Weather.us)

Placement and amounts: Generally light accumulations between 0.1″ to 0.25″ are still expected (in locations under a Winter Weather Advisory), with accumulations around 1″ likely in grassy and elevated areas. Accumulations up to 1 – 3″ will be possible within the Winter Storm Warning area.

Impacts: No significant impacts are expected from the snowfall itself. However, roads could be rather slick tomorrow morning in areas where temperatures drop below freezing. The same will be the case tomorrow night into Saturday morning.

South Texas:

Graphic showing Winter Weather Advisories and Winter Storm Warnings in place.

WINTER STORM WARNING: A Winter Storm Warning was issued this afternoon for parts of South Texas, including Corpus Christi; it goes into effect at midnight (CST) tonight, and expires at 8:00 AM CST tomorrow morning.

WINTER WEATHER ADVISORY: A Winter Weather Advisory was also issued this afternoon for parts of South Texas; it is currently in effect, and expires at midnight (CST) tonight).

Timing: A mix of rain and snow will begin at around midnight tonight, with a change over to mostly snow likely by 1:00 AM CST to 2:00 AM CST. Snow should then come to an end from west to east tomorrow morning as precipitation pushes off east, into the Gulf.

Forecast snowfall accumulations through tomorrow night from NOAA’s Weather Prediction Center. (Graphic courtesy of Weather.us)

Placement and amounts: A dusting of snow with little to no accumulation will occur in areas under a Winter Weather Advisory, with accumulations up to 1 – 3″ in the Winter Storm Warning area.

Impacts: No significant impacts are expected from the snowfall itself. However, roads could be rather slick tomorrow morning, and tomorrow night into Saturday night, in areas where temperatures drop below freezing.

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A few key notes: 

  • Not everyone under a Winter Weather Advisory will see accumulating snow.
  • The heaviest accumulations will occur in the Winter Storm Warned areas.
  • Overall, significant impacts are not expected.

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