Author Archives: AWXVTEC FEED
Storms this afternoon/tonight
A strong cold front will move southward today, moving through Alabama tonight. Out ahead of it, SW flow will bring in warm, moist air. Upper-level dynamics will not be all that strong, but models do indicate a weak wind speed … Continue reading
Severe Weather?
The 00 UTC model runs have come in a little drier again, indicating rain amounts in BHM with the next big system only around 0.25″. But, with some unstable air and the chance of thunderstorms thrown in, some spots could … Continue reading
System next week
Latest GFS and GEM models indicate that the system will slow down, but then get kicked through here by another system late Wednesday or Wednesday night, with a little bit of rain. But, the best dynamics look further north. Hopefully, … Continue reading
Sonic boom physics
Sound travels about 330 m/s (740 mph) in the atmosphere. When an object is travelling slower than the speed of the sound waves being generated, the sound waves radiate out in all directions, as shown below. But, when an object … Continue reading
Sonic boom
OK. Sonic boom in Trussville at 1152 am CST. It sounded like someone was walking on the roof, like cleaning out the gutters, except they took one or two big steps. Anyone who heard something similar…please comment and tell us … Continue reading
WeatherBrains 93
WeatherBrains Episode 93 is now online (November 5, 2007). This is THE netcast audio program for people who love everything weather. Where will television weather be in 5 or 10 years. We’ll roll that question around while talking some about … Continue reading
Cold air
The cold front is on its way. It is from near Louisville to Little Rock now, and will come through BHM early tomorrow morning. As James points out, this is the coldest air so far this season. Even with sunshine, … Continue reading
Get ready!
Arctic air in November? It has happened before, and it looks like it will happen again, starting next week. It dropped to 21 degrees on November 5, 1991, and then snow flurries occurred on Nov. 8. In 2000, 5 cold … Continue reading
A widespread freeze next week?
As James mentions in the video from Tuesday afternoon, it looks like the next couple of weeks may be colder than normal. Not that it wasn’t cold Tuesday morning…many valley locations recieved frost. Very cold air is starting to pool … Continue reading
Brr
It’s a chilly early morning across central Alabama. Light easterly winds are trying to keep things stirred up a little in some places, but winds are staying light or calm in most spots due to the stable temperature inversion in … Continue reading
