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What is a Derecho and The Southeast Derecho of April 4-5th, 2011

With all the talk about derechos today which frankly is a term that’s been around forever I thought I’d re-share this blog post from a few years back. These types of storms are hard to forecast though you usually know if the set-up is there. The problem is you usually don’t know if they will be classified as a derecho until they start or until they are over. Kinda similar to the F-scale which is a post event determination based on the exact definition below. I should also note no 2 events are ever the exact same and every event should be treated independent of the previous events. Plus remember it’s just a name for a type of storm. The impacts are damaging winds 60-100 mph, flash flooding, large hail and even tornadoes with these storms. That type of damage can come from severe storms even if they are not technically a derecho.

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The Myth of Heat Lightning

There are many weather myths that have been passed down by generations or spread through folklore. Some have a small amount of reality to them most do not. Often times they can be fun and just simply ways to explain weather in terms easier to understand. Though there are some that are deadly and those deal with tornado myths. I might have to break those up into a few posts at a later time. So today lets start with a common myth that is still used today. I originally wrote this last summer but it’s always worth a re-post every summer. Read more

What we can learn from the tornado tragedy in Oklahoma.

It’s been a horrible few weeks in Oklahoma and then today we learned it got even more tragic as we mourn the loss 3 stalwarts in the storm chaser and severe weather research community. These deaths are even more shocking to the meteorology community because Tim Samaras, Paul Samaras and Carl Young were known for their safety and research breakthroughs. Many chasers including experienced chasers got caught off guard by the size of the mesocyclone which rotated vorticies around it. Read more

Record Lake Levels

The recent flooding along the Catawba river chain will go down as one of the top floods along the chain on record. In most cases the lake levels reached this week were the highest or 2nd highest on record. The most recent comparison was in 2004 when the remnants of hurricane Francis came through or the flooding back in 2007 due to days of heavy thunderstorms. Read more

With the Cicadas comes the Cicada killer wasp

I blogged in early April about the return of the 17 year Brood II returning to parts of the North Carolina and the large cities of the east coast. Many people are scared of this large ugly looking insect but they are completely harmless. There is an even scarier insect that feeds on the Cicadas and that is the Cicada Killer Wasp. Read more

Heavy Rainfall Potential This Weekend

Get ready for weekend #2 of heavy rainfall around the Southeast. This time there is more moisture and a saturated ground in place for more widespread flooding. The combination of a cut-off low and a subtropical low over Florida combined with deep tropical moisture could really unload with some heavy rain. Here’s a quick discussion of the set-up with some select model guidance that is all pointing to the same concoction, start building an ARK!

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Wells Fargo Championship Weather

It’s that time of year again and this is the 10th anniversary of the PGA returning to the Queen City. It’s Wells Fargo Championship week at Quail Hollow in South Charlotte. Activities run all week long with practice rounds and the Pro-AM’s starting today. The 4 rounds run from Thursday through Sunday. I have kept a climate record of all 4 rounds of the tournament since it started back in 2003. The weather history of the tournament can be found via the link below. Read more

Quail Hollow Weather Climatology Through 2013

 

Wells Fargo Championship, Formerly, Quail Hollow Championship and Wachovia Championship

2013 become the coldest tournament on record with an average high temperatures of 63°. The final round here in 2013 becomes the coldest round on record with high temperatures of only 57°.

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The 17 Year Cicadas are Returning to Parts of North Carolina

Over the next few weeks you may begin to the see & hear the distinctive sights and sounds of the 17 year Cicadas returning after their hiatus. Now they aren’t returning everywhere in our area just locations from around Lake Norman North.You can’t  miss the sound or miss their appearance once you see them. These little guys are waking up after being in the ground for 17 years. Read more

The cold March of 2013

March is in the books and most people could not be happier since it was the 5th coldest since 1939 in Charlotte. That’s when they moved the official observations to the airport. The average temperature for the month was 46.1° which was 5.1° below the 30 year average. If you go back to 1878 when records began in Charlotte this was the 8th coldest on record. What makes this March seem so much colder is the fact that last March we had the 2nd warmest on record. Read more