storms

Storm Development Likely This Afternoon Around WNC

Storms Developing Ahead Of Front

A Strong frontal passage is meandering it’s way towards WNC, and storms will kick up out in front of it today.  On radar currently, you can see these storms currently in East Tennessee, but they should arrive in WNC by the early afternoon. 

10:20am Radar Depiction

10:20am Radar Depiction

Some clearing in front of this system has allowed for it to organize more then I previously expected.  Lightning and heavy rain will be the threat from these storms, so be careful when traveling around Asheville at rush hour.  Below you can see most recent run of the NAM 3km, and it has a strong storm moving through Asheville at approximately 4pm.  

 

12z NAM 3km at 4pm

12z NAM 3km at 4pm

After these storms pass, some lingering shower activity is possible.  Then tomorrow morning I expect there to be spots of heavy fog around the mountains.  We could see a similar situation set up tomorrow, and depending on how much sun we get in the morning, will determine how much storm activity develops in the afternoon. 

 

Cooler Temps In Store

This front will finally push through late Saturday night or early Sunday morning, and temperatures will fall into the upper 50’s for many.  Some isolated locations could even drop into the mid 50’s.  You can see the 6z GFS from today’s morning run shows the AVL Airport at 56 degrees on Sunday morning.  That will feel brisk!  These fronts are typical of fall like weather and should be expected though.  As we progress towards winter, these fronts track farther south, and bring that colder air with them.  We are still a month or so away from that though!  Enjoy the cooler temperatures, and check back soon for more information.

6z GFS Temp Depiction Sunday Morning

6z GFS Temp Depiction Sunday Morning

Wednesday Weather Forecast & A Look Ahead To This Weekend

Wednesday Weather Forecast & A Look Ahead To This Weekend

Pop-Up Thunderstorms are possible this afternoon for many locations around WNC as daytime heating ignites a few updrafts.  Some of these cells could go severe, with gusty winds, and isolated hail.  Below is a radar simulation from the most recent (11z) HRRR run.  You can see that will ample humidity at the surface, various storms develop and move to the Northwest.  These cells do not appear to be long lived, but some locations could see rainfall rates of over 1" per hour.