Thursday, February 26, 2009

Thursday/Early Morning

Quick update here...

Showers and even a few embedded thunderstorms are now moving from the southwest to the northeast across the region. None of these are severe, however a few lightning strikes are showing up so please be aware of that if outside.

The main area of rain and thunderstorms will pivot through the region tonight. I am not expecting any severe weather. In fact the SPC continues to push the SLIGHT RISK for severe weather further to our west...

The weekend system is looking more interesting. Two very popular models (EURO, GFS) now have a closed low moving just to the east of the Apps. If we see this consistency continue, Saturday night could get interesting, especially for those of you in Kentucky. Here is the latest AFD (Area Forecast Discussion) from the National Weather Service in Louisville...

AS MENTIONED ABOVE...MODEL SOLUTIONS INCLUDING THE ENSEMBLES SEEM TO BE COMING INTO BETTER AGREEMENT WITH A STORM SYSTEM DEVELOPING ACROSS THE DEEP SOUTH AND THEN MOVING NE AND UP THE EASTERN U.S. COAST. DEEP H5 CLOSED LOW IS PROGGED TO MOVE SE FROM THE PLAINS INTO THE DEEP SOUTH. AS THIS OCCURS SFC LOW QUICKLY POPS UP ACROSS MS/AL AND THEN HEADS OFF TO THE NE. THE 00Z GFS IS A BIT FURTHER SOUTH THAN THE 00Z EURO SOLUTION...BUT BOTH BRING A DECENT AMOUNT OF PRECIPITATION TO THE REGION. A DETAILED LOOK AT THE 00Z GFS ENSEMBLES SHOW INCREASING PROBABILITIES OF PRECIPITATION ACROSS THE REGION SATURDAY AND SATURDAY NIGHT. GIVEN THE PLACEMENT OF THE SFC LOW IN THE ENSEMBLE DATA...STRONG NE LOW-LEVEL FLOW WILL LIKELY KEEP TEMPS DOWN WELL BELOW THE MOS GUIDANCE. THIS IS BACKED UP BY THE INCREASING 850 MB NE WIND ANOMALIES FROM CLIMO. WHEN THESE SHOW UP...TWO THINGS USUALLY OCCUR...FIRST THE 850MB NE FLOW KEEPS OUR TEMPERATURES COLD AND PREVENTS WAA FROM GETTING IN HERE. SECOND...THE 850MB FLOW USUALLY INCREASES THE BAROCLINIC FORCING FOR LIFT AND LOW-LEVEL FRONTOGENESIS INCREASES. THIS WAS ESPECIALLY TRUE IN THE MARCH 2008 SNOWSTORM FROM LAST YEAR. IT SHOULD BE NOTED THAT BOTH THE 00Z GFS AND EURO SHOW A NICE DEFORMATION BAND OF SNOW SETTING UP ACROSS THE REGION SAT AFTERNOON AND EVENING. THIS WILL BE SOMETHING TO WATCH OVER THE NEXT FEW DAYS.

Wednesday, February 25, 2009

Wednesday/Late Evening

WEATHER CODE: GREEN ***No hazardous weather overnight***



Ok first off I have had some comments and or emails about video blogging. The input I have recieved leads me to believe that a video may be something that would hamper the speed of those of you that have dial-up. Not only that, but it sounds like it takes time, and quite a bit of money. So, for now we will leave the videos alone, and continue with the weather information/maps that I have been giving for about a year now. Also, many of you have asked for me to continue to update on a more daily basis. I will admit I do have problems updating this everyday, however I plan to change that. So PLEASE continue to come back and give me a kick once in a while if you see me slacking!

OK now some weather...

It was a nice day today with warm temperatures, however the blustery winds and clouds kept the feel like temperature a little on the cool side. Most of tomorrow will be a mainly dry and mild day. Temperatures will soar into the lower 60's. If you see sun tomorrow, your temperature will come close to 70. A rather potent cold front will move through the region tomorrow night. This will spark a line of showers and or thunderstorms.

The Storm Prediction Center has placed areas just to our west under a SLIGHT RISK for severe weather...

SEVERE WEATHER OUTLOOK



SEVERE WEATHER PROBABILITY



These storms will be coming in at a time the atmosphere is cooling, so I am not expecting any severe weather at this time. However, any thunderstorm that does develop tomorrow will have the potential to produce heavy rain and vivid cloud to ground lightning. Please be mindful of this if traveling tomorrow night.

Colder weather will return for the weekend with temperatures in the lower and middle 30's. A couple of model runs were showing the potential for an accumulating snow Saturday night, however the latest model analysis is not connecting the northern and southern branches, at least not in time to give us a good storm. However, we should still see some snow flurries/showers Saturday night into early Sunday morning. We'll keep an eye on this one and have more tomorrow...

Have a great night!

Wednesday/Mid Afternoon

Still working on getting a video up. We will see how things go...

OK, the blog is back for a while. I have had some problems with logging in and my computer was down for about a week.

My first actual detailed post will be later this evening, and here is what we will be discussing...

-Colder weather on the way

-Severe weather for tomorrow?

-Snow for the weekend?

-When will spring officially show its true colors?

All of that and more this evening...stay tuned!

Monday, February 23, 2009

BLOG WILL CONTINUE...NEED HELP/ADVICE

OK, everyone. I have been working on some things and I am trying to figure a couple of things out to increase the quality of this blog.

Many of you know I do very long weather discussions when it comes to the weather. However, many people do not like to read such a long description of the weather, but would rather watch it visually. I have already contacted a couple of people about how to do video blogging, but I want your advice as well! My hope is by mid to late March I will be able to do a shorter weather discussion and show it to you visually by a interactive video with me talking and you seeing what I am looking at right before your eyes!

PLEASE GIVE ME YOUR ADVICE....THANKS!

Tuesday, February 10, 2009

Tuesday/Mid Evening

WEATHER CODE: RED ***High winds NOT associated with thunderstorms, then the potential for a severe weather outbreak tomorrow***



I decided to go with a code RED, due to the potential for a widespread severe weather event, and already high winds that will be associated out ahead of any thunderstorm activity...

A very active day on tap for tomorrow. A very strong 70 knot jet stream will be planted across the region, and this will give way to very high winds beginning late morning and continuing through tomorrow evening. The entire region has been placed under a HIGH WIND WARNING. Wind gusts as high as 60 MPH will be possible tomorrow with sustained winds around 40 MPH, and again this is NOT associated with thunderstorm activity. These winds may very well cause some major problems across the entire region. With the ice storm a couple of weeks ago, power grids are just now beginning to recover, and are still weak at this time. With the wet ground and the already weak power grids, we may be looking at several power outages tomorrow. This will be due to mainly tree limbs or whole trees falling into these powerlines. All in all a very dangerous situation setting up tomorrow as the NON-thunderstorm wind gusts push through the region.

Now, if this isn't enough, we have to talk about the potential for a severe weather outbreak...

Here are the latest risk/probability maps from the Storm Prediction Center

RISK MAP



PROBABILISTIC MAP



LATEST SPC DISCUSSION FOR DAY 2: FORECAST SOUNDINGS SUGGEST THUNDERSTORMS THAT DEVELOP AHEAD OF STRONG COLD FRONT WILL MOVE RAPIDLY NEWD...SPEEDS IN EXCESS OF 50KT...ENHANCING THE THREAT FOR DAMAGING WINDS. IN ALL LIKELIHOOD AN ELONGATED SQUALL LINE WILL EMERGE ALONG SHARP BOUNDARY FROM IL INTO WRN TN EARLY...THEN MOVE RAPIDLY NEWD ACROSS THE OH/TN VALLEY REGION BY LATE AFTERNOON INTO WRN PA DURING THE EVENING HOURS.

MY CURRENT THINKING: The Storm Prediction Center had a 45% area with the morning update from the Ohio River and on south into Tennessee. Now with today's afternoon update, they cut back a bit and went back to a 30% for the entire region. I really think the SPC may be downplaying the severe weather threat for tomorrow. We have an unusually warm air mass with the best atmospheric dynamics I've seen for the month of Febuary. Instability may be the only problem, but that is even starting to look like it will also be in the game. I think parts of the area will be upgraded to a moderate risk with the morning update. A dry slot is really beginning to show up on the latest model trends for tomorrow morning. This may allow for a few hours of sunshine in the morning, and if this does happen...get ready folks it's going to be a rough one! It would not suprise me to see some storms have winds in excess of 80 MPH. Even without the sunshine, a nasty line of thunderstorms will still form, but the severe weather may not be as widespread. However, with the area already suffering from high non-thunderstorm when gusts tomorrow...any severe weather would not aid to our already wind savaged/ice savaged area. Please keep it tuned here tomorrow, as I will be doing as many updates as time allows. STAY TUNED!

Monday, February 9, 2009

Monday/Early Morning

Sorry I didn't post yesterday. It has been very busy with getting college stuff ready. I am trying to get it done sooner, so I won't be as stressed out when I began to move away from my hometown.

Anyhow, we have a very interesting/potentially dangerous situation setting up for Wednesday afternoon and evening.

The Storm Prediction Center has placed the entire area in a SLIGHT RISK for severe weather. The main action will be to our west Wednesday morning, but as time wears on thunderstorms will begin to intensify rapidly as they move into Illinois by afternoon/evening. The main question is instability and how far north will the stream of unstable air make it. This is why the Storm Prediction Center is holding back a bit on higher percentages for the DAY 3 outlook. Yesterday we were placed in the 30% risk area and now it has been lowered a bit. After looking at latest model analysis, we shouldn't have any problems with instability. Dew points in the middle 50's to near 60 will stretch as far north as Indianapolis, and potentially even further north from their. In conclusion, I believe we are dealing with a potentially widespread damaging wind event beginning Wednesday afternoon and continuing through Wednesday night across the entire Ohio Valley Region. If any discrete cells can develop ahead of the front, isolated tornadoes will also be a possibility. We have unusually warm air for this time of year combined with a very strong jet stream and I believe enough instability will be available to get things going. I would not be suprised to see a MODERATE RISK placed across some part of our region either later tomorrow or on Wednesday. The latest maps and SPC severe weather discussion for Wednesday are below...

STORM PREDICTION CENTER SEVERE WEATHER DISCUSSION FOR DAY 3-Wednesday

GIVEN THE STRENGTH OF EXPECTED FORCING THROUGH THE OHIO AND TENNESSEE VALLEYS...AND THE STRENGTH OF THE LOW-LEVEL AND DEEP LAYER SHEAR THROUGH MUCH OF THE EASTERN U.S...THE MAGNITUDE OF WARM SECTOR DESTABILIZATION APPEARS TO BE THE MAIN UNCERTAINTY CONCERNING THE POTENTIAL FOR A MUCH MORE SIGNIFICANT SEVERE CONVECTIVE EVENT. FORECAST SOUNDINGS INDICATE THE NORTHEASTWARD ADVECTION OF AN ELEVATED MIXED LAYER ACROSS THE WARM SECTOR THAT COULD PRECLUDE...OR AT LEAST LIMIT...PRE-FRONTAL STORM DEVELOPMENT ...AND ALLOW FOR THE REALIZATION OF ONLY VERY WEAK CAPE--ON THE ORDER OF A FEW HUNDRED J/KG--WHERE THE FRONT STRONGLY FORCES CONVECTIVE DEVELOPMENT. WHILE THIS COULD MINIMIZE POTENTIAL FOR HAIL...AND PERHAPS THE RISK FOR TORNADOES...AN APPRECIABLE RISK FOR DAMAGING WIND GUSTS APPEARS TO EXIST WITH AN ANTICIPATED FRONTAL SQUALL LINE WEDNESDAY...PARTICULARLY ACROSS KENTUCKY/TENNESSEE...PARTS OF INDIANA AND OHIO.

(CLICK ON ANY IMAGE FOR LARGER VIEW)

SEVERE WEATHER OUTLOOK



SEVERE WEATHER PROBABILITY



Also this is the 06Z GFS for hour 66. Take a look at that 988 MB low! Wow! This is a very strong storm system indeed! Stay tuned!

Saturday, February 7, 2009

Saturday/Early Afternoon

WEATHER CODE: GREEN ***No hazardous weather expected***



Focus will be on potential for severe weather outbreak Tuesday/Wednesday...

What a beautiful day it is today! Not to much sunshine, but the very mild temperatures are such a relief after the bitterly cold weather we had last week!

Cooler weather will return tomorrow with highs in the lower and middle 40's as the jet stream sags a bit more south. The jet stream will pull back north Monday through Wednesday with highs all three days hovering in the upper 50's to lower 60's.

Briefly wanted to discuss the potential for a severe weather event for the Tuesday night and Wednesday time frame. A very potent cold front will be placed to our west Tuesday night. On Wednesday the Gulf of Mexico will be wide open as the cold front slides through the region Wednesday afternoon/evening. This will feed the already powerful front.

All in all the potential for a significant severe weather event is beginning to increase. Their are still alot of variables that need to be worked out including: amount of instability, timing, and the exact atmospheric dynamics that will be present during the event. This would be devastating not only to those without power, but for everyone that dealt with the winter storm a little over a week ago. I will have a more detailed explanation of what we could be dealing with later this evening...STAY TUNED!

Friday, February 6, 2009

Friday/Mid Afternoon

Sorry I haven't updated in a few days, but I have been busy filling some college stuff out. I will explain more of that below.

I just got my acceptance letter from Vincennes University a couple of days ago. Plans are to get a associates in broadcasting then transfer to a 4 year college to obtain a bachelors in meteorology. My hope is that most of my credits will transfer from Vincennes to where ever I decide to go next, then it would only take 2 more years after Vincennes to obtain my bachelors. Just wanted to update you on where I am heading. I have loved the weather since a tornado plucked tree by tree and house by house when I was 4 years old. Ever since then I have had a passion for weather and God has placed this deep within me. I have know idea why, but God has gifted me with the talent of forecasting the weather. You guys can judge how well I have done, and please post COMMENTS letting me know what you think of my forecasts. My feelings aren't hurt easily and I would love to hear about what you guys think. If you have advice, then please feel free to comment on my blog or email me at pateo90@hotmail.com

I will be updating later today. To say the least we have a WILD roller coaster weather pattern coming up in the next 2 weeks...stay tuned!

Tuesday, February 3, 2009

Tuesday/Late Evening

WEATHER CODE: YELLOW ***Blowing and drifting snow possible along with frigid temperatures***



I apologize for the late post. It has been a busy day...

Well the snow did come and it was very heavy at times across the entire region. Most areas ended up with 2-3 inches with isolated areas picking up 4-6 inches with some of the heavier prolonged bands.

For more on how much snowfall fell in your area click HERE for the updated snow totals from the NWS in Indianapolis. If you live in the Louisville's NWS forecast area click HERE for the updated snowfall totals for today.

Due to the very cold temperatures today a very dry fluffy snow fell. Not only did this increase snow ratios, but has caused some considerable blowing and drifting. Highway officials in Jackson County have reported snow drifts as high as 2 feet! Even though winds will calm slightly overnight, blowing and drifting will still be a problem so use extra caution if driving tonight. Temperatures will also bottom out in the single digits and with winds gusting to 15 MPH, wind chills will go below zero! Bundle up if your heading out overnight!

One more cold day for tomorrow with temperatures in the upper teen's and lower 20's across the region. After that a warm up is on the way beginning Thursday. With the warmer temperatures will come the potential for heavy rain later this week into early next week. I will have more on that in tomorrow's post...

Everyone have a great night!

Monday, February 2, 2009

Monday/Late Afternoon

WEATHER CODE: YELLOW ***Snow later tonight into tomorrow***



Very complex weather situation setting up tonight. A upper level disturbance showing up well in Nebraska on the latest Satellite imagery will move through Kentuckiana beginning well after midnight. This system wouldn't be to much of an issue, however temperatures tonight will dip into the upper teens and lower 20's. This will make for rather high snow ratios across the entire region. Right now were looking at a 15:1 snow ratio rate. What this means is for every 1 inch of moisture we would get 15 inches of snow. Now tonight we will NOT be looking at this much QPF developing across the region as this is a rather weak system. However, snow ratios will be higher than usual so a 1-3 or 2-3 inch snowfall is looking rather probable. I would not be suprised to see isolated areas pick up 4 inches of snow especially across Southeast Indiana where the greatest lift will be. The National Weather Service in Lousville has issued a WINTER WEATHER ADVISORY beginning at 4 AM tonight and continuing through 7 PM tomorrow. Slick roads will likely develop later tonight through tomorrow as air and road temperatures will be well below the freezing mark. The map below is from the NWS in Louisville and they seem to have a good handle on snowfall amounts. For those of you that live in the Indianapolis viewing area, I have no idea why a winter weather advisory has not been posted. Snowfall amounts will be the same in this area so I don't see why an advisory would not be needed. Please imply your winter driving skills tomorrow as roads will become slick and hazardous. STAY TUNED!

Sunday, February 1, 2009

Sunday/Late Morning

WEATHER CODE: YELLOW ***Continued power outages and falling ice throughout Kentuckiana***



Power outages continue to be a problem, but full restoration of power in Indiana should be soon with most of the power outages only located in Evansville. A majority of people in Kentucky are still without power, especially south of Louisville. Also be aware of falling ice today as temperatures warm above freezing. Just a few quick weather notes below then I have to get ready for work...

-Monday system still looks EAST of us, but it will be close enough for the potential for a few snow flurries.

-Cool down for early next week before warming up by late week.

-Potential for a huge system by late next week into early next week. I have the latest GFS below which is 228 hours out. Right now it looks like a rainstorm, but lots can change. STAY TUNED!
More later...