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October 2009
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September 2009 Archives


Mark your Calendars

2:51 PM Wed, Sep 30, 2009 |
Carl Arredondo


The Ponchartrain Astronomy Society October Meeting will be held at the UNO Lakefront Campus Science Building, Room 1001. The meeting begins at 7:30 PM on the night of the 2nd. Barry Simon will present "Celestial Showpieces For Binoculars & Small Telescopes." Barry will also give a short overview of the 2009 Deep South Regional Stargaze. I again urge new and old members to attend this event. This is your home field star gaze and I hope e...



One More Pretty One!

6:20 AM Wed, Sep 30, 2009 |
Jonathan Myers

An autumnal area of high pressure will remain overhead today. This means lots of sunshine, low humidity, and highs only around 80. Enjoy it while we've got it, though, because humdity will slowly creep back in tonight. This will be followed by a muggier day on Thursday. As moisture increases Thursday, so will the clouds, but we still should remain rain-free. A cold front will quickly roll in on Friday and with lots of humidity around, sho...



Fall is Here!

3:40 PM Tue, Sep 29, 2009 |
Carl Arredondo

It will remain very nice for another day and half before humidity starts to increase on Thursday ahead of a strong front on Friday. Some strong thunderstorms are possible on Friday.

Cool lows overnight north of the lake with low to mid 50s. South of the lake in the low to mid 60s. Nice sunshine and low 80s Wednesday afternoon.

Same for Thursday morning, 50s north and 60s south. Highs in the mid 80s with more humidi...



Absolutely Beautiful Couple Of Days Coming Up

6:32 AM Tue, Sep 29, 2009 |
Jonathan Myers

Dry, cooler air will continue to pile-drive in from the north as a strong cold front moves well off the coast. Today and tomorrow, expect lots of sunshine, mixed with a few patchy clouds, accompanied by low humidity and comfortable temperatures. Highs through Wednesday afternoon should only get up into the lower 80's and in fact, Wednesday, and even Thursday, morning temperatures should start off only in the 50's on the Northshore and 60's ...



Time For A Cool Change

6:30 AM Mon, Sep 28, 2009 |
Jonathan Myers

After a hot and humid, but rain-free, Sunday we're going to do it all over again for our first day of the new workweek. Today should be the end of the 90's and stickiness though! A cold front will swing through later today, ushering in much cooler and drier weather by tonight and tomorrow. Lows tonight under clearing skies and free-falling humidity levels should reach near 70 in the city and along the coast, with generally 60's elsewhere, a...



Mark Your Calendars

3:27 PM Fri, Sep 25, 2009 |
Carl Arredondo


The Ponchartrain Astronomy Society October Meeting will be held at the UNO Lakefront Campus Science Building, Room 1001. The meeting begins at 7:30 PM on the night of the 2nd. Barry Simon will present "Celestial Showpieces For Binoculars & Small Telescopes." Barry will also give a short overview of the 2009 Deep South Regional Stargaze. I again urge new and old members to attend this event. This is your home field star gaze and I hope e...



A Tale Of Three Cold Fronts

6:20 AM Fri, Sep 25, 2009 |
Jonathan Myers

Over the next few days, after peaking on Saturday, rain chances and discomfort levels should on the decrease. One cold front has turned stationary nearly overhead, not making much difference in our weather, except providing an increased 40% chance of showers and thunderstorms today. Saturday, as our next front approaches from the north and west, the chance of rain will increase to 50%, along with continued warmth and humidity. This front sh...



Humid, but not for long!

4:12 PM Thu, Sep 24, 2009 |
Carl Arredondo


Friday's rain chance will increase to 40% with a few scattered showers or thunderstorms. Some downpours are possible with the amount of moisture in the air. Highs will be close to 90. Saturday's rain chance will be higher at least 50% for more scattered showers or thunderstorms. Highs in the upper 80s. A weak front will squeak through late Saturday.

Sunday will be not as humid with a 20% chance for a shower or thunderstorm....



Rain chance going down, but up for weekend

9:44 PM Wed, Sep 23, 2009 |
Carl Arredondo


Rain chances for Thursday will be lower than Monday & Tuesday. About a 30% chance for spotty showers or thunderstorms and hot. Highs will be around 90. An increase on Friday to 40% will be followed by 50% over weekend.

Some drier and slightly cooler air will make it's way for Monday & Tuesday.

...



Rain Chances Still Around, But No Fall

3:40 PM Tue, Sep 22, 2009 |
Carl Arredondo


Scattered thunderstorms on Tuesday will diminish slightly Wednesday. A 40% chance for a few scattered thunderstorms Wednesday with plenty of humidity and highs approaching 90.

30% on Thursday with highs around 90. Rain chances go up again Friday through Weekend at 40-50%. Drier air may reach the area on Tuesday.

Tropics remain quiet.

...



Fall Weather Delayed

3:39 PM Mon, Sep 21, 2009 |
Carl Arredondo


Fall begins Tuesday at 4:18pm, but it won't feel like fall with plenty of humidity and rain chances. Tuesday's rain chance will be at 50% for scattered showers or thunderstorms..some downpours possible. Highs will be in the upper 80s.

Rain chances will continue all week with highs in the upper 80s to around 90. A front will stall to our west this week and not push through. There are signs that maybe by next Monday, some drie...



Becoming More Unsettled Again!

6:26 PM Sun, Sep 20, 2009 |
Jonathan Myers

After a relatively rain-free weekend spent in-between slow-moving systems, rain chances will ramp up again during the new workweek. Monday may be the one last relatively dry day as a cold front slowly edges in with a 40% chance of showers and storms by the second half of the day. Otherwise, for the very beginning of the week, expect partial sun, with humidity, and highs near 90.

The sluggish front moving in from the west will finally...



Don't Get Too Used To The Drier Weather

7:21 PM Sat, Sep 19, 2009 |
Jonathan Myers

Sunday is looking like a carbon-copy of Saturday with partial sunshine and just a 30% chance of a spotty shower or thunderstorm, as we remain in between systems. The same regime will hold for Monday, as well, with a reduced chance of rain and some sunshine. Tuesday, our next slow-moving system will move in from the west, making for an unsettled middle and end portion of the workweek. With lots of humidity, highs each day should make 85 to ar...



Spotty Very Warm Weekend

9:52 PM Fri, Sep 18, 2009 |
Carl Arredondo


Spotty showers or thunderstorms will be expected over the weekend. Rain chances around 30% with highs in the upper 80s to around 90. Humidity will be high as well.

Spotty thunderstorms may be around in the afternoon in Baton Rouge for tailgating. Kickoff's rain chance around 20%. Game will start in the low to mid 80s then fall into the upper 70s around 4th quarter.

An area of low pressure in the central Atlantic will...



Better Chance Of Rain To End The Workweek

5:53 AM Fri, Sep 18, 2009 |
Jonathan Myers

As our stalled out storm system slowly slides nearby our neighborhood today, the chance of scattered showers and thunderstorms will creep up to 50%. With lots of moisture around, we'll see a good chance of a few downpours, especially during the midday and afternoon. With extra clouds and extra rain, temperatures should be capped in the mid and upper 80's. During the weekend, our storm will slowly weaken and begin to limp off to our east, us...



One More Day...

8:18 PM Thu, Sep 17, 2009 |
Carl Arredondo


One more day of expected rain chances to be up. The computer models have been trying to produce scattered thunderstorms for the past 3 days and has not handled the dry air that has been in place in the mid to upper levels. It appears that on Thursday, the dry air has moved out a bit and isolated shower or thunderstorms persisted after dark on Thursday.

Friday morning will have a 30% chance for spotty showers or thunderstorms...



Some Wet Weather Continues For Now

6:27 AM Thu, Sep 17, 2009 |
Jonathan Myers

A storm system remains stalled out to our northwest, drawing in plenty of Gulf moisture and warmth for the next couple of days. This should kick our chance of showers and thunderstorms up to about 40% to 50% through Friday. Skies will feature partial sun today and mostly cloudy skies tomorrow with highs both days 85 to 90. Finally, our system may creep off to our east by the weekend, drawing in somewhat drier air which will lower our rain c...



A Not-Too-Wet Wednesday

5:41 AM Wed, Sep 16, 2009 |
Jonathan Myers

As a storm continues to spin just out to our west, we will sit in a bit of a dry slot today, just like we did yesterday. By no means will this entail a totally dry day everywhere, but thunderstorm coverage should be limited to only 30% during the day. With some sunshine, temperatures should again vault to near the sticky 90-degree-mark.

The storm will approach a bit closer Thursday and Friday. This means an increase in clouds and a ...



Not A Whole Lot Of Change!

5:55 AM Tue, Sep 15, 2009 |
Jonathan Myers

Today will be almost a carbon copy of yesterday. With a storm nearly stalled out just to our west, expect extra clouds and a continued chance of showers and storms popping up (about a 40% chance of rain). In fact, rain chances may increase for Wednesday and Thursday as the storm slowly plods in our direction. Finally, toward the end of the week, the storm may slug far enough east of us to bring, again, only about a 40% chance of rain. Duri...



Rain Rain Go Away...

3:19 PM Mon, Sep 14, 2009 |
Carl Arredondo


A persistant upper low over Texas and a surface low over east Texas continues to pump moisture and disturbances through our area. Rain chances for Tuesday will run about 40% and 50% Wednesday & Thursday. Each day heavy downpours are possible. Some slightly drier air may move in for Friday & Saturday when rain chances drop to 20%.

Tropics are quiet.

...



Cut Off Low Means More Rain

8:50 AM Mon, Sep 14, 2009 |
Jonathan Myers

An area of low pressure continues to swirl over us, cut off from the main highway of air that would typically take the storm quickly away. This means today as well as tomorrow will include about a 50% chance of rain. The storm may bobble east of us on Wednesday leaving us with a bit more sun and a 40% chance of showers and storms, but rain chances look to creep back up to 50% again by Thursday. The storm should finally pick up anchor and mo...



Storm Reports For Sunday

3:47 PM Sun, Sep 13, 2009 |
Carl Arredondo


PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
112 PM CDT SUN SEP 13 2009

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1146 AM TSTM WND GST NEW ORLEANS 29.97N 90.08W
09/13/2009 M51.00 MPH ORLEANS ...



Flooding Threat

12:52 PM Sun, Sep 13, 2009 |
Carl Arredondo


A Flash Flood Warning is in effect until 3pm for Jefferson, Orleans, St Bernard, and upper Plaquemines. Heavy thunderstorms will continue to produce heavy rain that may cause street flooding.

An Urban Flood Advisory is in effect until 2:15pm for St Helena, Livingston, E. Baton Rouge, Tangipahoa, Washington, and St Tammany parishes. Heavy thunderstorms moving from the southshore across northshore may produce street flooding. >> Continue reading: Flooding Threat



Flash Flood Watch Canceled

9:42 PM Sat, Sep 12, 2009 |
Carl Arredondo


The Flash Flood Watch has been canceled. Rainfall amounts on Saturday were 1-3" across the area. Rain chance through Sunday will be about 50% for more scattered showers or thunderstorms with some heavy downpours.

Fred was downgraded to a depression in the Atlantic and no further advisories will be issued by the Tropical Prediction Center.

...



Flash Flood Watch Continues

12:37 PM Sat, Sep 12, 2009 |
Carl Arredondo


Today's rain chance is 70% for additional showers or thunderstorms. Some of the rain may still be heavy. There is a break south of the lake as of the noon hour, but showers & thunderstorms along lower Lafourche and Terrebonne parishes are expected to move north-northeast toward metro New Orleans later today.

Rain also expected for the LSU and Southern games in Baton Rouge.

...



Flash Flood Watch/Coastal Flood Statement

4:37 PM Fri, Sep 11, 2009 |
Carl Arredondo


A Flash Flood Watch is in effect from Baton Rouge to St Tammany parish and all areas south to the coast. This includes New Orleans and southshore. Rainfall amounts between now and Sunday evening when the Watch expires could reach 4-6". Street flooding will be a threat all weekend.

An area of low pressure developing along the Texas coast will move north towards the Upper Texas coast and keep rain chances high for Saturday at l...



Urban Flood Advisory

1:28 PM Fri, Sep 11, 2009 |
Carl Arredondo

Until 4pm, there is an Urban Flood Advisory for all parishes south of the lake and the river parishes as well. A large area of rain and heavy rain covers most of SE Louisiana. Street flooding is possible in many locations today. The parishes included are Assumption, Jefferson, Lafourche, Orleans, Plaquemines, St Bernard, St Charles, St James, St John, and Terrebonne.

...



Very Wet Weekend...Get Ready!

8:18 AM Fri, Sep 11, 2009 |
Laura Buchtel

Rain, rain, and more rain expected this weekend! Periods of rain will continue for your Friday, although so far they have been moving, so no street flooding. What we'll have to watch for this weekend are "training cells" that follow one behind another and create lots of rain in a short time. Most of us will see on/off rain each day this weekend, so outdoor plans need to be re-evaluated. If you're headed to the LSU game (at Tiger Stadium, 6pm S...



Wet with Heavy Rain...Fred Continues to Weaken

3:41 PM Thu, Sep 10, 2009 |
Carl Arredondo


Rain chances remain high. On Thursday, Grand Isle had over 3.5" of rain. This trend is expected to continue Friday, Saturday, and Sunday. An area of low pressure is expected to develop in the western Gulf and move towards the LA coast on Saturday. At this point, it appears that the highest rain chance will be on Saturday. Heavy downpours are possible through Sunday. Highs will remain in the 80s.

Fred at 10pm Thursday has w...



More Thunderstorms...Fred No Longer Major Hurricane

3:50 PM Wed, Sep 09, 2009 |
Carl Arredondo


Thunderstorms on Wednesday spawned heavy downpours. Rainfall amounts in parts of New Orleans were estimated up to 3".

More of the same expected Thursday & Friday with rain chances around 50% and highs in the upper 80s.

Fred is now a Category 2 hurricane as winds have weakened at 10pm to 105 mph. It is still no threat to any land area. See our Hurricane page for more information.

...



Fred Now Cat 3 Hurricane...Also, Wet Weekend For Us?

11:04 AM Wed, Sep 09, 2009 |
Laura Buchtel

Fred is now a major hurricane, but still no threat to land. Fred is almost 4000 miles from New Orleans, and is expected to stay in the Atlantic and gradually weaken over the next week.

This weekend is looking more and more wet as tropical moisture moves in from the Gulf. A trough (weakness) will set up along the Gulf, and feed moisture into LA. A few models forecast a weak low to form along that trough and enhance the rainfall for us. ...



Fred Still No Threat to U.S.

4:57 AM Wed, Sep 09, 2009 |
Laura Buchtel

Fred has strengthened into a Category 2 hurricane, but it is still no threat to the U.S. or any other land area. The track will take Fred Northward, into the cooler waters of the Atlantic. Fred will then start to dissipate.

...



Spotty T'Storms to Continue..Fred Gets Stronger

3:36 PM Tue, Sep 08, 2009 |
Carl Arredondo


Spotty T'storms to continue for Wednesday & Thursday. Rain chances increase Friday to 40% and 50% on Saturday. Sunday & Monday's rain chances go to 60%. Highs most of the rest of the week will be in the upper 80s to around 90.

Fred continues to strengthen. Winds at 10pm are 75 mph and is a category 1hurricane. Fred should remain in the Atlantic.

...



T.S. Fred

9:18 AM Tue, Sep 08, 2009 |
Laura Buchtel

Fred is a tropical storm this morning, well over 4000 miles from New Orleans. The expected track is Northwest, which would keep it out to sea and away from any land areas. Fred may briefly become a hurricane, as it heads into the Atlantic. No threat here from Fred.

...



Spotty T'Storms...Tropical Storm Fred

3:35 PM Mon, Sep 07, 2009 |
Carl Arredondo

Rain chances for the next couple of days will be about 30% for spotty showers or thunderstorms. Highs will be in the upper 80s to around 90. Rain chances will again increase towards the weekend.

At 10pm Labor Day, tropical depression #7 is upgraded to tropical storm Fred. It ls 245 miles S/SW of the Cape Verde Islands. Winds are at 40 mph and this is expected to strengthen more. See our hurricane page for more information...



Labor Day Not Looking Quite As Wet

6:47 PM Sun, Sep 06, 2009 |
Jonathan Myers

As the disturbance and moisture feed that pasted us with plenty of heavy rain on Sunday slugs off to our east, we'll see rain chances on Monday drop back to 30%. This looks a bit more conducive for outdoor plans than the most recent forecasts for Labor Day.

Any significant chances of rain over 40% should actually stay away all week as an area of fair-weather high pressure tries to establish some influence over our area. By next weeke...



Rain Increasing Through Sunday, Still Wet For Labor Day

6:32 PM Sat, Sep 05, 2009 |
Jonathan Myers

As a disturbance slowly slides through and the Gulf opens up for the remainder of the holiday weekend, expect lots of clouds and also a better chance of some rain and thunderstorms. For Sunday, expect a 70% chance of rain, and Labor Day, a 50% chance of rain. With the extra moisture, temperatures will have a tough time crawling out of the tolerable, but muggy, middle and upper 80's. Having some alternate indoor weekend plans handy certainl...



A Wet Labor Day Weekend

4:28 PM Fri, Sep 04, 2009 |
Jonathan Myers

Rain chances will be on the rise for the Labor Day Holiday Weekend. As the area of fair-weather high pressure that's been protecting us from rain and humidity lately continues to trek north and east, away from us, expect a 50% chance of showers and storms to return by Saturday, followed by a 70% chance of rain and thunderstorms Sunday, and a 60% chance of more of the same for Labor Day Monday. As the Gulf really opens up, especially by Sunda...



Rain Chances Increasing...Erika Weakens More

3:29 PM Thu, Sep 03, 2009 |
Carl Arredondo


Humid conditions for Friday and Holiday Weekend. Rain chances 20% Friday, 50% Saturday, 70% Sunday, and 60% Labor Day. Highs will be in the 80s each day. Some downpours possible over the weekend.

Erika continues to weaken as it moves towards the W/NW. At 10pm, Erika is now a remnant low pressure area and could weaken to a tropical wave. It is no threat to the Gulf of Mexico. For more information go to our hurricane page at...



Humidity will return and chance for rain...Erika weakening

3:59 PM Wed, Sep 02, 2009 |
Carl Arredondo


Humidity will be a bit higher Thursday, but not too bad yet.

Morning lows on Thursday still 60s north of the lake and mostly 70s south. Highs in upper 80s to around 90. There is a 10% chance for rain Thursday.

Friday's chance is 30% for spotty thunderstorms and more humid. lows in the 70s. Highs in the upper 80s.

Rain chances up for Holiday weekend....50% Saturday, 60% Sunday (downpours possible), and 50% L...



TS Erika Nearly Stationary

12:02 PM Wed, Sep 02, 2009 |
Laura Buchtel

The tropical storm is not moving much this morning, and therefore the future track still remains uncertain. The movement is thought to be toward the WNW, but we'll need to monitor the are further. Right now the storm is no threat to the Gulf, but of course we'll keep you updated.

...



Dry Air...Erika Gets Stronger

4:12 PM Tue, Sep 01, 2009 |
Carl Arredondo


Dry air continues to move in. Nice overnight lows in the low 60s north of the lake and upper 60s to low 70s south for Wednesday morning. Lots of sunshine and highs in the upper 80s.

A slight increase in humidity and a 10% chance for rain on Thursday.

Rain chances higher over the Holiday Weekend.

Tropical Storm Erika at 10pm has strengthened to 60 mph sustained winds. It is about 365 miles northeast of the Le...