Sunday, March 20, 2005

Quick Afternoon Update

* Still refining our forecast for the severe weather event tomorrow night into Tuesday. Here's my latest thinking on how things will unfold:

Supercells form in eastern Texas/northern Louisiana/southern Arkansas. These cells move east throughout the afternoon tomorrow. They will likely be severe, with tornadoes a distinct possibility. Much of our day tomorrow should be dry though, with the action off to our west. The SPC has issued a "Moderate Risk" for parts of western Mississippi, Arkansas, and Louisiana, and we are included in a "Slight Risk":

SPC Day 2 Outlook

The supercells then slowly merge into a line of broken supercells. Large hail and high winds will be present in many of these storms, with isolated tornadoes also possible.

The line moves in to Alabama early Tuesday morning. By early Tuesday afternoon, we see more thunderstorms develop over central Mississippi. These will also probably be severe, with large hail, damaging winds, and isolated tornadoes possible - especially in west Alabama, where the atmosphere will have more time destabilize before the storms arrive.

* Derek will be along later this evening to update things. Again, let me reiterate that NOW is the time to review your severe weather safety plan.

2 Comments:

At 5:23 PM, Anonymous Anonymous said...

So are you thinking it could get pretty bad here in merdian? We are ready at my house. Have new batterys in our new NOAA weather radio. It could be active start to the week.

Matt

 
At 6:39 PM, Anonymous Anonymous said...

Hi Matt,


I am a meteorology student and will be chasing the storms tomorrow afternoon. My feeling like Josh said is that the round of storms Meridian will see over night will likely be in the form of a squall line with damaging winds and hail being the main threat, of course isolated tornadoes cannot be ruled out. Tuesday afternoon looks interesting, however, as the models are showing sunshine which allows the atmosphere to destablize and can make things active once again. As Josh mentioned, the largest risk for tornadoes on Tuesday appears to be in Alabama, but with any storm in a severe weather situation, tornadic activity can not be ruled out. The best thing to do is keep that NOAA radio ready to go and have your severe weather safety plans ready to go. Better to be safe and prepared!!!

Have a great day!

Renny

 

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