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Weekend Weather & Tropical Outlook, 8.16-8.17


By Patrick J. Pearson

It's August in NOLA which means lots of heat, and a chance of storms, but this weekend is looking fairly tame. The southerly flow returns today as we say adios to the lower dewpoint's. A chance of afternoon showers and thunderstorms are forecasted but none are expected to be severe in nature. Highs are predicted to be around 90F area wide. Details follow.


NOLA Weekend Weather, TS Bertha Update


by Patrick J. Pearson

A frontal boundary has stalled across the forecast area. The front is draped along a line from near Baton Rouge southward to the coast. Dewpoints east of the boundary are quite dry, in the middle to upper 60s. West of the front, they are in the middle 70s. Saturday will be similar to Friday but with more showers spreading further east to include the south shore of Lake Pontchartrain and Mississippi coast. Sunday will continue cloudy to partly cloudy with a 50 percent chance of daytime rain.


Atlantic Disturbance Has High Chance of Tropical Development


Weather watchers are keeping an eye on an area of storm activity over the Atlantic that looks to have a high chance of developing into a tropical storm. As of Tuesday morning, the National Hurricane Center gave the low pressure area a high chance of developing into a tropical depression as early as Tuesday afternoon.


NOLA Weather Week: July 28-Aug. 1


by Patrick J. Pearson
We see another July Front sweeping into the forecast area Monday afternoon, bringing a 40 percent chance of some Thunderstorms with the frontal passage. Tuesday and Wednesday are expected to remain dry with only a 10 percent chance of widely scattered showers in the afternoon. Come late Thursday into Friday, the Frontal Boundary retreats North to increase our Rain chances.  Overall, a pleasant week for the last week of July. Full forecast and tropical outlook:


NOLA Weekend Weather:


By Patrick J. Pearson

The next few ddays will feature a typical summertime pattern with afternoon rain chances 20-30 percent. This is a good weekend to make sure your Hurricane Preps and supplies are in order as we will be moving into the meat of the Hurricane Season. What you do now, will keep you ahead of the game when and If a threat develops.


NOLA Weather Week: July 21-25


by Patrick J. Pearson

It's summer in New Orleans! So, expect the usual mix of Hot! with a chance of rain. Drier air moves into the area as a ridge of high pressure builds over The Four Corners. As the ridge builds out west so digs the trough in the east Continental U.S.. our area remains on the east side of the ridge. A weakness will allow deeper moisture to return and bring morning coastal convection and afternoon inland convection back to the area by Wednesday persisting through Friday.


Storms Continue, Flood Alert Issued


Heavey thunderstorms appeared again today as flooding was reported across Orleans Parish. Heavy showers began around 11 a.m. this morning and are predicted to continue throughout the afternoon. The National Weather Service has issued a flood alert for the Parish. 


NOLA Weather Week: July 14-18


by Patrick J. Pearson

As we move into tomorrow and the rest of the week, our weather will  be driven by a rare July cold front moving into the area. Models continue to indicate that the front will make it into the area and  stall out over US for Wednesday and Thursday.


Weekend Weather & Tropical Update


by Patrick J. Pearson

A surface high located well north of the area is pushing in and will continue to do so through today and tomorrow. This will keep drier air in place but only about to the coastline. Thus the gradient between SW Mississippi and coastal waters will be about 10 degrees for the dewpoints. Model soundings show a very dry layer of air moving into the area which will drop precipitation water values bottoming out well below 1 inch Saturday. Subsequently...most of the County Warning Area will not be seeing any rain for this 4th of July Holiday other than south of Interstate 10 and certainly no activity inland on Saturday. 


Tropical Update: TS Arthur Forms in Atlantic


by Patrick J. Pearson

The storms hovering off the coast of Florida for the last several days weren't just going through a bad patch. Overnight, the system slid into depression. By Tuesday morning, the system was called Arthur. According to the National Hurricane Center, the formation of the first named storm of the season could lead to the Atlantic Ocean's first hurricane of 2014. But Arthur isn't cause for concern on the Gulf Coast at this time. Here's the full outlook, from NHC Forecaster Stacy Stewart:


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