Squall line suspected of causing of swath of damage from McCurtain County, Okla., to Hempstead County, Ark.
Brief EF-1 tornado also cut 2.4-mile path in southern Little River County, Ark., NWS storm surveyors say An example of a storm s squall line. (Source: WLBT) By Curtis Heyen | April 10, 2021 at 9:56 PM CDT - Updated April 10 at 9:59 PM
(KSLA) A brief EF-1 tornado cut a path 2.4 miles long in southern Little River County, Ark., late Friday night.
That’s the finding of a National Weather Service survey team that went out to survey damage Saturday, April 10.
The surveyors also suspect that a squall line packing winds of 70-90 mph caused of swath of damage some 40-60 miles from McCurtain County, Okla., to just past Fulton in Hempstead County, Ark.
The following is text directly from the NWS Damage Survey for the January 25th Tornado Event:
Central Alabama was involved within a warm sector area during the night of January 25th, 2021, featuring dew points in the low to mid-60s and surface-based instability reaching as high as 1,200 J/kg. Strong wind shear was in place which, combined with instability, favored a risk for severe storms. Upper-level troughing was displaced well toward the northwest, which helped to limit the number of severe storms, with just one or two occurring in Central Alabama through the event.
The storm that produced the EF-3 tornado was first tracked from near Interstate 55 in Central Mississippi. As the storm moved across Mississippi and into West Alabama it exhibited episodes of rotation, but none were strong enough to produce a tornado. As the storm entered Jefferson County, its structure underwent organization. A rotational signature quickly matured, with an associated BEWR signature on RADAR. A stron