Derecho Expected In The Plains Sunday | Weather.com
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Tornado Central

A derecho is expected to develop in portions of the Plains on Sunday as an area of low pressure strengthens and tracks eastward.

ByLinda LamFebruary 27, 2023

Tornadoes Are More Powerful Than We Realize

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A derecho is expected to develop in parts of the Central and Southern Plains Sunday into early Monday.

H​ere's a closer look at what to expect with this upcoming severe threat.

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S​evere Outlook

A powerful line of storms is making its way across the southern Plains. Widespread wind gusts of 80 to 110 mph are possible in this line of storms. Additionally, large hail and embedded strong tornadoes will be possible.

The line of storms is expected to weaken overnight, though lingering severe gusts could last into Monday morning from Missouri into the mid-Mississippi Valley.

N​ow is a good time to review or form a severe weather plan. Severe weather can occur year-round but usually ramps up in March, followed by the peak months of April, May and June.

(​MORE: What You Need to Know About Derechos)

T​he severe threat will continue on Monday for parts of the Ohio Valley as the system moves east.

A​rea Of Concern: Areas from central Illinois to southeastern Ohio and northern Kentucky have the highest chance of severe weather during the day Monday. This area includes Cincinnati, Indianapolis and Springfield, Illinois.

T​he main threat will once again be damaging winds, but an isolated tornado or two can't be ruled out.

U​nusual Threat For February?

R​ecent severe weather has primarily targeted the Deep South, but Sunday's threat is a bit farther west in portions of the Plains.

S​evere thunderstorms are not as common in the central and Southern Plains in February, but can happen.

Usually, the Deep South is at an elevated risk in February because of its proximity to the Gulf of Mexico, where warm, moist air can surge northward, adding to the instability in the atmosphere.

(​Deeper Look: February's Typical Tornado Threat)

tornado_risk_feb.jpg

In the lighter red areas, there is a 0.1% probability of a tornado within 25 miles of a point by late February. The darker red shading is for locations that have a 0.2% probability of a tornado within 25 miles of a point by late February. Based on 1982-2011 averages.

(NOAA/Storm Prediction Center)

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