Thursday Morning 9 AM Update:
As widespread heavy rain begins to leave the state, the Flash Flood Watch has been cancelled for all of Central Arkansas, but it remains in far South Arkansas.
Severe Weather will be possible this afternoon as a cold front slowly slides through the state. Thunderstorms will develop in advance of the storm. However, the overall area coverage of the severe storms may be minimal.
The tornado threat is low, but not zero. Damaging wind is the main concern. Some 1″ hail could happen.
Thursday Morning 3 AM Update:
Severe weather remains possible Thursday. The highest probability is in East Arkansas. Afternoon heating may lead to severe thunderstorm development ahead of a a cold front. These storms will most likely form in small lines or bands and pose a damaging wind and hail threat. There is a possibility of tornadoes, but it is low. If any individual or discrete cells form they will pose a tornado and hail threat.
So, while there is a chance some tornadoes develop Thursday afternoon, damaging wind and Flash Flooding will be our main threat. A Flash Flood Watch is in effect in Central and South Arkansas until 1 PM. Far Southeast Arkansas is under a Flash Flood Watch until 7 PM. In and around Little Rock a half inch to one inch of rain can be expected. In Southeast Arkansas an addition 2-4″ of rain will be possible.
Wednesday evening update:
SLIGHT (15%) risk of severe weather overnight for the southeast half of Arkansas
SLIGHT (15%) risk of severe weather Thursday for the southeast 2/3 of Arkansas.
-Damaging winds and large hail will be the main threats.
A FLASH FLOOD WATCH is in effect through early Thursday afternoon for all but north Arkansas
A strong storm system will push through the Mid South overnight through Thursday.
Another round of showers and thunderstorms, a few possibly severe, is likely later tonight through Thursday morning.
As the cold front crosses the state Thursday afternoon scattered showers and thunderstorms, a couple possibly severe, are possible. Heavy rain is going to be a concern later tonight through the morning rush hour with addition rainfall totals of 1-3″ possible.
Flash flooding of poor drainage areas, roads, and creeks and streams is likely in some areas.
Wednesday afternoon update:
LITTLE ROCK, Ark. – A Flash Flood Watch is in effect for large portions of Arkansas until 7 a.m. Thursday.
The Little Rock Metro is included in the watch area.
Thunderstorms moving across the region bring the potential for flash flooding, along with damaging winds, large hail, and tornadoes.
Rainfall amounts of 2 to 4 inches are expected through midday Thursday across the watch area, with locally higher amounts possible in southern sections of the state.
In southwest Arkansas, a Tornado Watch is in effect until 11 p.m. Wednesday.
The main threats for tonight will be excessive rainfall, strong wind gusts, and even some large hail. The tornado threat is lower but not zero. The main threats will be the same for Thursday.