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Are you interested in what happened during a recent event? Check out the report below.
 
Heavy Rain Then Springlike on December 23-26, 2016
 
The WSR-88D (Doppler Weather Radar) showed areas of heavy rain across portions of central and southern Arkansas at 500 am CST on 12/24/2016. The rain was along a front, with mild temperatures (dashed white lines) south of the front (in the 60s), and cooler conditions farther north (in the 40s).
In the picture: The WSR-88D (Doppler Weather Radar) showed areas of heavy rain across portions of central and southern Arkansas at 500 am CST on 12/24/2016. The rain was along a front, with mild temperatures (dashed white lines) south of the front (in the 60s), and cooler conditions farther north (in the 40s).
 

Snow was not in the air during the holiday season in Arkansas. It was too mild for anything but rain. Showers and scattered thunderstorms began developing in southern sections of the state during the evening of December 23rd. Areas of rain (heavy at times) continued in central and southern sections of the state through the 24th.

 

Forty eight hour rainfall through 600 am CST on 12/25/2016.
In the picture: Forty eight hour rainfall through 600 am CST on 12/25/2016.
 

By 600 am CST on the 25th, two to more than four inches of liquid was measured from Texarkana (Miller County) to Little Rock (Pulaski County) and West Memphis (Crittenden County). At Antoine (Pike County), 5.48 inches fell, with 5.39 inches at Arkadelphia (Clark County), 4.56 inches at Malvern (Hot Spring County), 4.38 inches at Texarkana (Clark County), 3.63 inches at Keo (Lonoke County), 3.55 inches at Sparkman (Dallas County), and 3.40 inches at Pine Bluff (Jefferson County).

 

In the video: Precipitable water values increased markedly (exceeding 1.5 inches in dark blue) across southern Arkansas on December 23-24, 2016. Precipitable water, or water vapor contained in a vertical column of the atmosphere, is normally around .50" in late December. These values were tripled during this event..
 

The atmosphere was primed for heavy rain given abundant moisture in place. The precipitable water value at North Little Rock (Pulaski County) was 1.42 inches at 600 am CST on the 24th. This is close to triple the normal amount.

 

 

A nearly stationary front lifted to the north of Arkansas, with a storm system ("L") gathering strength from the central Rockies to the northern Plains in the twenty four hour period ending at 600 pm CST on 12/25/2016. A mild southerly flow ushered in springlike air locally, and there were chances for showers and thunderstorms. Snow (and blizzard conditions in some cases) was well to the north in the Dakotas and northern Minnesota.
Surface Map (600 pm CST 12/24)  |  Surface Map (600 am CST 12/25)
Surface Map (600 pm CST 12/25)
In the pictures: A nearly stationary front lifted to the north of Arkansas, with a storm system ("L") gathering strength from the central Rockies to the northern Plains in the twenty four hour period ending at 600 pm CST on 12/25/2016. A mild southerly flow ushered in springlike air locally, and there were chances for showers and thunderstorms. Snow (and blizzard conditions in some cases) was well to the north in the Dakotas and northern Minnesota.
 

A very intense storm system headed from the Rockies in the Plains on the 25th. Ahead of the system, temperatures in Arkansas climbed into the 60s and 70s. It was 75 degrees at El Dorado (Union County) and Monticello (Drew County), and 73 degrees at Fort Smith (Sebastian County), Pine Bluff (Jefferson County), and Texarkana (Miller County). 

 

Weather headlines were posted to the north and west of Arkansas at 1100 am CST on 12/25/2016. Blizzard and Winter Storm Warnings were in effect across portions of the Dakotas and northern Minnesota. There was a Severe Thunderstorm Watch in Kansas, and High Wind Warnings from western Nebraska to the Texas panhandle.
In the picture: Weather headlines were posted to the north and west of Arkansas at 1100 am CST on 12/25/2016. Blizzard and Winter Storm Warnings were in effect across portions of the Dakotas and northern Minnesota. There was a Severe Thunderstorm Watch in Kansas, and High Wind Warnings from western Nebraska to the Texas panhandle.
 

The system dragged a new cold front toward the region, and this brought chances of showers and thunderstorms after sunset and into the 26th. North and west of the system, blizzard conditions were noted from the Dakotas to northern Minnesota.

 

The WSR-88D (Doppler Weather Radar) showed that showers and thunderstorms did not progress much to the southeast from 100 pm to 500 pm CST on 12/26/2016. Satellite showed an unsettled environment locally (lots of clouds bubbling up), with clearing slow to get here from the northwest. Because precipitation was slow to exit Arkansas, there was a band of one to three inch rainfall totals from the southwest corner to the northeast corner of the state.
Radar at 100 pm CST (12/26)  |  Radar at 500 pm CST (12/26)
Satellite at 245 pm CST (12/26)  |  24 Hour Rain Through 1200 am CST (12/27)
In the pictures: The WSR-88D (Doppler Weather Radar) showed that showers and thunderstorms did not progress much to the southeast from 100 pm to 500 pm CST on 12/26/2016. Satellite showed an unsettled environment locally (lots of clouds bubbling up), with clearing slow to get here from the northwest. Because precipitation was slow to exit Arkansas, there was a band of one to three inch rainfall totals from the southwest corner to the northeast corner of the state.
 

The new front was a slow mover, so springlike conditions continued in the southeast half of the state on the 26th. Behind the front, it was slightly cooler (50s/60s) in the northwest. A few storms along the front became intense. One storm had brief rotation about 10 miles west of Searcy (White County), with a Tornado Warning issued shortly before 500 pm CST. After dark, 3.19 inches of rain dumped at El Dorado (Union County) between 1053 pm and 153 am CST on the 27th.