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The upper level disturbance did a good job of triggering widespread showers & heavy thunderstorms Wed. midday.  A few trees dropped on homes in & near Ponte Vedra & a 22-yr. old male was struck by lightning but only sustained "minor...

Thunderstorms Mon. evening in Tennessee into Georgia helped develop what's termed a "mesoscale vorticity maximum" -- or, more simply, a weak upper level disturbance.  The disturbance moved into Southeast Ga. during peak heating Tue. triggering numerous...

A very typical mid to late July week of weather ahead for the First Coast.  Late night/early morning temps. will only dip to the low to mid 70s (closer to 80 at the beaches) with midday through early afternoon temps. soaring to near or a little...

Our "swirl" could become a tropical cyclone this weekend as it moves toward the Carolina's.  By late Fri. evening the low had become a tropical depression, & it'll be a close call on whether or not it can become a tropical storm...

Our Eastern Gulf "swirl" has turned into the "First Coast swirl" as the low pressure that had its beginning in the Eastern Gulf then moved across Fl. Wed. now resides near & over the Gulf Stream east of Jax.  Unseasonably cool sea surface temps....

The low pressure system that was west of Tampa & showing true signs of organization Tue. night/early Wed. suddenly "jumped" inland Wed. which pretty much rules out any tropical development.  However, an upper level low is still over the extreme...

Could be a soaker the next couple days.  Weak low pressure is developing over the far Northeast Gulf of Mexico.  This system will pump plenty of moisture northward across the First Coast with on-&-off rain & storms through Thu. that...

Showers & thunderstorms will continue to be active much of this week but much will hinge on possible low pressure developing over the Northeast Gulf of Mexico.In fact, we might need to watch this area for possible tropical development if the low...

Take a look at this beautiful photo sent to me from Josh Smith on Jacksonville's Northside.  Notice the rainbow-effect above the towering cumulus/cumulonimbus cloud which was caused by the sun's rays shooting through high level cirrus clouds made...

Clouds were slow to break up Wed. so storms  were limited.  Warmer temps. aloft (less unstable) will mean storms will be more widely scattered Thu.-Fri. & will allow temps. to soar into the low to mid 90s.  But where storms occur,...

A weak circulation over the extreme Northeast Gulf of Mexico Tue. afternoon -- near the Big Bend -- appears to be a "MCV" -- mesoscale convection voriticity.  In simplest terms it's a weak upper level disturbance or small low pressure.  The...

Classic summertime set-up on the First Coast with afternoon thunderstorms driven by sea breezes & outflows with some occasional "oomph" from a few upper level disturbances.  Check out the photo below from Amanda Seidel of a roll cloud...

It'll be a hot, humid weekend with scattered mainly inland afternoon storms Sat. then storms should be more numerous & possibly reaching all the way to the coast Sunday.So with any luck Cumberland Island in Ga. will get some much needed rain after...

Our 4th of July will feature typical weather conditions for the First Coast: hot & humid with scattered afternoon thunderstorms.  Afternoon temps. will soar to near 90 degrees, but it'll be in the low to mid 80s at the beaches by late afternoon...

The tropics are awakening -- something touched on last week.  The E. Pacific has two named storms -- "Boris" & "Douglas" with another soon to follow just off the coast of Central America.  In the Atlantic Basin, a strong tropical wave...

Our drier pattern has arrived...for awhile.  Any showers & storms will be widely scattered & mostly inland Wed. & Thu.  Deep moisture pushes back into the area by the 4th & into the weekend with an increase in the coverage...

A wet, stormy weekend though with plenty of sun prior to the storm's arrival.  Rainfall on my yard totaled more than 2.5" on the Southside.  Lightning & wind did a number on power lines & a few trees around the First Coast.  A...

It'll be a stormy weekend at times.  Winds aloft & at the surface are from the southwest which will promote the development of thunderstorms by midday from the Northeast Gulf into N. Central Fl. near & north of Lake City.  Storms will...

Check out the photo below sent from viewers Tammy & Doug McFarland, Macclenny, FL. -- a classic shelf cloud on the leading edge (west edge) of a severe thunderstorm complex in Western Nassau & Duval County just to the east of Macclenny. ...

Jacksonville Int'l. Airport had a daily record rainfall Wed. with 2.85" of rain breaking the June 25 record of 2.15" set in 2006.  Storms were not widespread but where the storms occurred, rainfall amounts were very heavy.  JIA also had a...

One of our loyal viewers -- Joanna Touchton from Sanderson, FL in Baker County-- sent me the photo below of a rainbow-colored ring around the sun.  It's faint but visible if you know it's there.  This phenomenon is caused by ice crystals in...

A little bit of a reprieve from widespread showers & storms Tue. & Wed.  We'll still have a few storms, but they'll pretty widely scattered.  Less rain & less cloud cover will mean hotter temps. with afternoon readings reaching...

NOAA: Global Temperature Seventh Warmest for Spring, Eighth Warmest for May The combined average global land and ocean surface temperatures for spring (March-May) ranked seventh warmest, while May was the eighth warmest since worldwide records began...

Our subtle pattern change is taking place with east to southeast winds taking over as the upper level low weakens & loses its influence.  So scattered afternoon storms will still develop Fri.-Sat. but will primarily be inland -- near &...

This morning's "altocu" (altocumulus) clouds were a good clue about today's (Wed.) storms.  Altocumulus clouds -- especially during the spring, summer & early fall -- are good indicators of instability & moisture in the upper levels of...