Severe Weather Risk And Wintry Weather Update 1/19/22

Southeast Louisiana and Southern Mississippi partners

Changes from the previous update:

Addition of winter weather variables and a *Winter Weather Advisory may be issued later today*

WHAT: MARGINAL RISK of Severe Weather and WINTRY MIX of sleet and freezing rain possible.

WHEN: Marginal risk for severe weather mainly starting after 6 pm today through 3 am Thursday morning. Wintry mix could start late Thursday evening and remain through Friday morning.

WHERE: Marginal risk for severe weather mainly over sections of southwest Mississippi and near the Baton Rouge metro area. A freezing rain, sleet mix could develop mainly along and north of the Interstate 10/12 corridor, while freezing rain is not expected south of this line, sleet could fall in these areas.

CONFIDENCE: Moderate confidence in severe storms. Moderate confidence in the potential for winter weather, the largest uncertainty of the winter event is the areal extent.

Impacts:

The main threats associated with any severe storms will be:

Damaging Winds:

Locally strong, possibly damaging winds.

Hail:

Hail to 1" possible.

Tornadoes:

An isolated tornado will be possible.

Winter weather:

Areas that receive freezing rain could see up to .10" of icing on some roadways especially elevated roadways and structures. A winter weather advisory may be issued for these areas later today.

The attached graphics highlight the severe weather threats associated with this system.

marginal risk for severe weather slide

The 2 graphics below highlight the winter weather threats for Thursday night/Friday morning.

wintery precipitation weather slide

total ice accumulation weather slide

Additional Information and Resources:

NWS New Orleans Website: www.weather.gov/neworleans

NWS New Orleans DSS Website: http://www.weather.gov/lix/embrief

River Gauges and Forecasts: http://water.weather.gov/ahps2/index.php?wfo=lix

NWS New Orleans Facebook: www.facebook.com/NWSNewOrleans

NWS New Orleans Twitter: https://twitter.com/NWSNewOrleans

Online Severe Weather Reporting: https://www.weather.gov/lix/submit_storm_report

Storm Prediction Center: www.spc.noaa.gov

Next Update and Contact Information:

The next update will be at the 2 pm webinar today. If you have any questions in the interim or need additional information, please do not hesitate to contact us. We can be reached by phone at 504-522-7330 or 985-649-0429. Use extension 4 to speak with a forecaster. Alternatively, you can reach us by email by replying to this message or sending an email to sr-lix.forecasters@noaa.gov. Both methods will be delivered to the forecasters on shift at the office.

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News & Updates for Tangipahoa Parish

Severe Weather Risk And Wintry Weather Update 1/19/22

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