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Isolated Severe Storms/Turning Colder on March 30-31, 2021
 
The forecast map showed a couple cold fronts riding a northwest wind flow aloft toward Arkansas on 03/30/2021.
In the picture: The forecast map showed a couple cold fronts riding a northwest wind flow aloft toward Arkansas on 03/30/2021.
 

March did not exactly go out like a lamb. While there was not an outbreak of severe weather, it was not tranquil either. A couple of cold fronts barreled into Arkansas from the north by the 30th, and showers/isolated thunderstorms developed.

 

In the video: The WSR-88D (Doppler Weather Radar) showed showers and thunderstorms over central and southern Arkansas during the early morning hours of 03/31/2021.
 

A few storms in southern sections of the state managed to produce hail during the predawn hours of the 31st. At Monticello (Drew County), for example, there was golf ball size hail.

 

Twenty four hour rainfall exceeded an inch in parts of southern and eastern Arkansas in the twenty four hour period ending at 700 am CDT on 03/31/2021. Rain was even heavier to the east, with amounts over three inches in portions of Alabama, Mississippi, and Tennessee. In these areas, ten to fifteen inches of precipitation dumped in March.
24-Hour Rain Through 700 am CDT (03/31)  |  Monthly Rain (March)
In the pictures: Twenty four hour rainfall exceeded an inch in parts of southern and eastern Arkansas in the twenty four hour period ending at 700 am CDT on 03/31/2021. Rain was even heavier to the east, with amounts over three inches in portions of Alabama, Mississippi, and Tennessee. In these areas, ten to fifteen inches of precipitation dumped in March.
 

Parts of the south/east had one to more than two inches of rain in the twenty four hour period ending at 700 am CDT on the 31st. Marianna (Lee County) had 1.95 inches, with 1.67 inches at Blytheville (Mississippi County), 1.35 inches at Jonesboro (Craighead County), 1.23 inches at Cane Creek State Park (Lincoln County), 1.21 inches at Portland (Ashley County), and 1.10 inches at El Dorado (Union County).

 

Very dry air followed a cold front early on 03/31/2021, with dewpoints dropping into the teens and 20s across northern and central Arkansas.
In the picture: Very dry air followed a cold front early on 03/31/2021, with dewpoints dropping into the teens and 20s across northern and central Arkansas.
 

By the morning of the 31st, temperatures behind the front dropped into the 40s across the northern and central counties. Meanwhile, dewpoints fell into the teens and 20s (very dry). Leftover rain falling into this dry air created additional cooling (through evaporation), and sleet pellets formed in some locations. In the higher elevations of the north, there were a few snowflakes reported.

 

A freeze and widespread frost were expected in parts of northern and central Arkansas with low temperatures in the 20s/30s to begin April, 2021.
In the picture: A freeze and widespread frost were expected in parts of northern and central Arkansas with low temperatures in the 20s/30s to begin April, 2021.
 

Heading into the the first couple of days of April, at or slightly below freezing temperatures were in the forecast. Widespread frost was also expected.

 

Storm Reports
Preliminary reports of severe weather in the Little Rock County Warning Area on March 31, 2021 (in red).
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There were isolated reports of large hail early on March 31st. For a look at the reports, click here.
 
Link of Interest
Plot Reports
In the picture: Preliminary reports of severe weather in the Little Rock County Warning Area on March 31, 2021 (in red).