Weather

Colder air is here again…

November 25th, 2014 at 7:39 am by under Weather

A strong cold front moved through the Miami Valley yesterday, and our winds were quite gusty! We had two times where the winds really peaked– once during the mid-morning as some thunderstorms moved through. And the second time happened as the cold front moved across the area in the early afternoon:

day wind

Here are some of the highest wind gusts we saw:

gusts

Today will not be as gusty, but it will still be a breezy day. Winds will generally be between 10 and 15mph, adding a wind chill to already cold temperatures. We’ll see highs in the upper 30s, and it will feel like the 20s pretty much all day long. At least we have dry conditions in place for the big travel day on Wednesday. Most regional travel will be  problem-free weather wise.

If you are traveling farther east, that is where you’ll run into some significant problems. Parts of West Virginia, Virginia, Pennsylvania and on into the Northeast will be dealing with a wintry mess.

Here at home, on Thursday, we have the potential to see a few light snow showers through the day, as a reinforcing shot of cold air moves in:

holiday

So while it won’t be the COLDEST Thanksgiving on record, we will be running about 10-degrees below the average temperatures for the holiday. Here is a peek at Thanksgiving climatology:

event

Temperatures will reach their coldest early Friday morning. So if you’re heading out to catch some good deals, be prepared for some frigid conditions, with readings in the upper teens!

Jamie
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A warm but soggy end to the weekend

November 22nd, 2014 at 6:35 pm by under Weather

After a brief period of light freezing rain/showers this morning we quickly warmed up.  Highs today were above normal for the first time in more than ten days.  Just like that the snow pack we once had is now gone.

almanac

It will be above normal for tomorrow and Monday before temperatures drop back into the 30′s for daytime highs.

Tonight we’ll see mostly cloudy skies and there’s a slight chance we may see a few isolated showers.  The best chance will be shortly before sunrise.

Sunday 9am

Look for a mild, mostly cloudy day Sunday.  If you have any outdoor plans the earlier you can do them the better.  A large swath of rain will be heading this way for the afternoon and evening.

Sun 3pm Sun 11pm

The rain will continue through the overnight hours and there’s a chance we may still see some wet spots for the Monday morning commute.

Mon 9am

Rainfall amounts will be close to a half an inch.

Precip Amounts

Temperatures will be above normal for Sunday and Monday but another cold blast will head this way late Monday and into the rest of the holiday week.

850 temps Sun 850 temps Mon

Right now it looks like there’s a chance for a few flurries on Thanksgiving.  Temperatures will be below normal for the late week into next weekend.

Have a great weekend!
Tara
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Today will be the brightest day of the next week…

November 21st, 2014 at 8:59 am by under Weather

High pressure building into the region will bring us bright blue skies today! We’ll pretty much see wall-to-wall sunshine, but it is still cold! We tied the record low for the day:

event

After the frigid start, we’ll continue to run about 20-degrees below normal this afternoon. Then we get into a weekend warm-up!

temp trend

But that warm up will come along with the chance for showers. Most of the precipitation we will see this weekend will be rain, but early Saturday morning it will still be cold enough for some freezing rain. Temperatures will be in the upper 20s, and while there’s not a whole lot of moisture around at that time… there could be a few areas that get a little light freezing rain:

forecast

It doesn’t last long, and by mid-morning we should warm enough for the switch to all rain. Saturday won’t be a wash-out, showers will be scattered on and off. A much better chance of an area-wide rain is Sunday–especially in the afternoon and evening. But we’ll climb into the 50s!

It looks like we’ll stay in the 50s early next week, but we will turn colder as we head towards the Thanksgiving holiday. Enjoy your weekend!

Jamie
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Back in the deep freeze through the end of the week…

November 20th, 2014 at 9:26 am by under Weather

A cold front moved through late Wednesday, and that has opened the door for more cold air to spill into the Miami Valley! Morning temps have been  holding steady in the lower 20s, but it is colder where our winds are coming from:

temps

So that means we will continue a below-normal trend here in Dayton, with highs more than 20-degrees below the normal values. We are forecasting a high of 27. Clouds have been breaking up, but should fill back in through the day, and we can’t rule out a spotty flurry. It will still be breezy today, but High pressure builds right over us tomorrow, allowing winds to relax a bit. Look for plenty of sun on Friday, with highs similar to today–in the upper 20s.

Over the weekend, the high will shift off to the east… and southerly winds develop. You know what that means:

temp trend

Yes… a warming trend! Saturday we expect highs in the 40s, and we should reach the 50s on Sunday! This does come along with the chance for showers, however. And at least initially Saturday morning, it will still be cold enough for a little freezing rain or snow before we change over to all rain. It’s rain showers for Sunday and Monday, too.

But it’s nothing but SNOW in Buffalo, New York. We’ve been sharing images and stories on our newscasts this week about the incredible amount of lake effect snow that has most in that area snowed in! Here are some of my favorite pictures… and some statistics to compare just how much they’ve received to our normal and record snowfall in Dayton:

les   les 5

les 2   les 3

les 4   snow compare

LES happens when cold air moves over long stretches of relatively warm lake water. It picks up moisture here, and the lift is enhanced when that air mass hits land. This leads to narrow but intense bands of snow, that sometimes move very little. Here is the latest on the Lake Effect Snow Warning that is currently valid for the area, as they expect another 2-3 feet of snow:

* IMPACTS...HEAVY LAKE EFFECT SNOW WILL RESULT IN VERY DIFFICULT
  OR NEARLY IMPOSSIBLE TRAVEL AT TIMES IN THE HEAVIEST PORTION
  OF THE BAND. THUNDER AND LIGHTNING WILL ACCOMPANY THE HEAVIEST
  SNOW. IF YOU MUST TRAVEL DURING THE LAKE EFFECT SNOW...EXPECT
  SEVERE WINTER DRIVING CONDITIONS WITH VERY LOW VISIBILITY AND
  DEEP SNOW COVER ON ROADS. SOME ROADS THAT HAVE BEEN CLEARED
  MAY BECOME IMPASSABLE AGAIN. DO NOT TRAVEL IN THE MOST HEAVILY
  AFFECTED AREAS! SNOW LOADS ON BUILDINGS MAY REACH CRITICAL
  LEVELS AND RESULT IN STRUCTURAL FAILURE.

Jamie
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Record breaking cold today…

November 18th, 2014 at 8:00 am by under Weather

After the first significant snowfall of the season on Monday…

snow

…the Miami Valley is firmly in an arctic airmass! Morning lows were bitterly cold, and we officially set a new record:

temps     record

We will also hit a new record LOW high temperature this afternoon… and with this air mass, it won’t be that difficult!

event

We will see a mix of sun and clouds through the afternoon, with the slight chance of a spotty flurry or two. A better chance of scattered snow showers arrives on Wednesday. Winds will increase ahead of the system, and may gust up near 30mph through the day. Snow showers look most likely in the afternoon, and will linger into the evening… but any accumulation looks light:

snow forecast

Thursday and Friday look dry and cold, and then we will warm up over the weekend! We actually have 50-degree highs in the forecast by Sunday, but it will come along with the chance for rain.

Jamie
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Weekend snow showers possible…

November 14th, 2014 at 8:21 am by under Weather

Little has changed over the past 24 hours… except we have gotten a bit COLDER. Here is a look at our morning low temperatures, which have been the coldest of the season so far:

temps

High pressure is building into the region, and it will keep us dry for at least two days. We’ll also get to enjoy more sunshine today than we’ve seen the past two days… but it will still be cold! Highs will only reach up  near freezing… which is actually close to a record!

event

The cold weather will continue into the weekend. Saturday and Sunday will see highs in the mid-30s. It looks like Saturday will start off with plenty of sunshine, and then clouds will thicken in the afternoon hours. The clouds give way to some scattered light snow showers by Saturday night. Here’s a look at the timing of this weekend’s snow:

SATURDAY NIGHT: Light snow showers develop. Parts of the Miami Valley could see some light snow accumulation. Right now it looks like it will amount to less than an inch.

SUNDAY: A few morning show showers… then dry most of the afternoon. A few more snow showers develop late.

SUNDAY NIGHT: Snow showers likely, especially to the south and east of Dayton. More light accumulation is possible here.

So some light snow accumulation could impact the Monday morning drive. Stay tuned through the weekend, as new data comes in, we will continue to tweak the forecast. Behind the weekend systems, it does look like even COLDER air builds in for the first half of next week.

Jamie
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Cold continues, and we’re watching the potential for snow…

November 13th, 2014 at 8:06 am by under Weather

Everyone wants to know why we are so cold. I’ve already heard the phrase “Polar Vortex” thrown around, and it’s not even winter yet! This early arctic blast is NOT the polar vortex moving into the United Sates… that semi-permanent weather feature remains in place over the North Pole. What IS happening, is the jet stream is dipping way south. You can see the set-up on the 500mb chart… there is a big ridge out west (where it’s currently warmer), and the big trough over much of the US:

500

That is allowing the cold blast from Canada to move into the country. We will see our highs each day through the weekend running about 20-degrees below normal:

TEMP TREND

We can’t rule out a few flurries today, with lots of clouds expected to remain in place. Thankfully, we will enjoy increasing sunshine Friday into Saturday… but it will remain cold. Saturday will actually be the nicest day of the next week or more, with mostly sunny skies and highs in the mid-30s. Yes, that’s as good as it gets over the next seven days! Our next storm system will move in on Sunday:

sfc

This will bring scattered snow showers to the area, and they will continue into Monday. This is not a set-up for a big snow, but we could see some light snow accumulation. It’s too early to tell exactly how much that would be or who stands the best shot. We will certainly watch it and keep you updated with the latest information. Behind that storm, next week looks even COLDER, believe it or not!

Jamie
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Colder air is here and will stay for awhile…

November 12th, 2014 at 6:44 am by under Weather

Tuesday was our last mild day for a long time. We again climbed into the 60s, ahead of a cold front. The front brought some light rain to the area, as expected, and Dayton officially picked up .07″ of precipitation. Now that front is off to our east, and with that… it’s cold. Much colder than this same time yesterday:

temp change

This cold air mass is going to stick around for awhile. We could even see a few flurries around parts of the Miami Valley Thursday or Friday. But it’s nothing like they’re experiencing across parts of the western US. That’s where they have sub-zero temperatures and even Winter Weather Advisories/Winter Storm Warnings:

west

Saturday will be chilly with sun, but the next storm system arrives on Sunday. We will see afternoon temps push into the upper 30s ahead of this front. This will be our next chance of showers, and right now it looks like we’ll see scattered snow showers. This disturbance also ushers in a reinforcing shot of cold air, so we will stay well below-normal as we head through next week.

Jamie
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Last nice day before the bottom drops out!

November 11th, 2014 at 10:20 am by under Weather

We have one more nice day before a cold front changes everything for the area. Plenty of sunshine is in the works this morning, and should continue into the early afternoon hours. Clouds will increase during the mid-late afternoon as a cold front moves in:

temps

Ahead of that front, southerly winds will continue to be quite breezy, but will boost temperatures into the low and mid 60s area-wide. There are also showers that will move in with the front. We expect rain chances to be highest after 3 or 4pm today.  Showers will continue into the evening and first part of the overnight:

forecast

As winds shift behind the front, MUCH colder air will move into the region. High temperatures will be chilly on Wednesday, but will run about 20-degrees below normal by the end of the week:

TEMP TREND

As the cold air takes over, we can’t rule out a few flurries. The weekend looks chilly, with another disturbance arriving on Sunday with rain or snow showers. This disturbance also ushers in a reinforcing shot of cold air for early next week! Enjoy this last nice day for awhile!

Jamie
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This week: Mild to start… cold to finish

November 10th, 2014 at 6:44 am by under Weather

High pressure brought us a beautiful and near-normal Sunday afternoon. We enjoyed sunshine, and high temperatures in the lower-50s. This morning, the high has shifted to our east… and this has allowed a southerly breeze to set-up:

temps

Winds increase this afternoon, and will stay up over the next 24-hours. The good news: the south wind will bring in warmer air! We expect highs near 60-degrees both today and Tuesday. HOWEVER, a cold front will approach Tuesday afternoon, bringing some showers to the region:

forecast

The best chance of rain will occur after 3 or 4pm Tuesday. This front will allow MUCH colder weather to build in for the rest of the week:

TEMP TREND

The temperatures above reflect afternoon highs… overnight lows will be down near 20-degrees. A lot of outlying spots could even hit the teens by the end of the week, as we go from short sleeve… to turtleneck weather in a matter of days! And with the cold air moving in, a few flurries will even be possible!

Jamie
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Warm up before a cold blast

November 8th, 2014 at 6:15 pm by under Weather

A cold front is passing through right now bringing low clouds and a few light sprinkles.

SURFACE MAP

Highs today were closer to normal.

almanac

We’ll see clouds through the overnight hours but we’ll break into some sunshine for Sunday.

Sat 11pm Sun 8am

Sun 5p

Temperatures will rise Monday into the upper 50′s near 60 on breezy southwesterly winds.

mONDAY 850 TEMPS

It will be dry with some sunshine to start the work week.

Mon 7am Mon 5p

A cold front will move through Tuesday.  This will bring us a chance for some showers during the afternoon Tuesday.  One thing you’ll notice is the BIG drop in temperature.  A cold blast will envelope most of the country from Wednesday through the end of the week and next weekend.

WEDNESDAY 850 TEMPS

Highs will stay in the 30′s around the Miami Valley and lows will drop in the 20′s.

Stay warm!
Tara
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Chilly weekend, even colder next week!

November 7th, 2014 at 8:10 am by under Weather

High pressure building in from the west will bring a dry, chilly day to the Miami Valley. Ahead of it, it’s a little breezy this morning, and wind chills are in the 20s!

temps  wind chill

At least we will see some sunshine with dry conditions through the day. Temperatures top out about 10-degrees below normal this afternoon, as we hit highs in the mid-40s. High school football playoff games will be dry but cold this evening, with readings dropping back through the 30s.

Another disturbance moves in on Saturday, bringing the chance of a few showers to the area during the afternoon:

forecast

Winds also increase as the disturbance moves through, so it will be a breezy and cool afternoon. Temperatures dip a bit Sunday… come back up Monday… and take a big dive as we head into the middle part of the week! Highs will be in the 30s Wed-Fri, with lows dipping into the lower 20s.

Have a great weekend!
Jamie
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Election day showers…

November 4th, 2014 at 6:08 am by under Weather

We have another nice morning in the works here in the Miami Valley! It is breezy, with a strong southwest wind… and that will continue through the day. But the winds and the clouds we have overhead are helping to hold temperatures UP:

temps

That cold front moves in later this afternoon, and as that happens, our rain chances increase. We expect showers to be around in spots, with the best chance of rain coming after 2pm:

hourbyhour

So the earlier you vote, the better your chances at staying dry! At least we will be mild, with lower 60s for highs today. Things change for the rest of the week, as a gradual cooling trend takes over:

Temp trend

We also expect an active weather pattern right through the first part of the weekend. We may see a few more showers on Wednesday–the best chance will be across the southern Miami Valley later in the day:

forecast

And another disturbance moves in from the west on Thursday, keeping rain chances decent.

Jamie
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Freezing tonight and we’re falling back

November 1st, 2014 at 6:22 pm by under Weather

Halloween was a trick to many of those out getting candy last night.  Rain cold temperatures and then snow developed after 8 p.m. last night.  A few snow showers were also around very early this morning.  Chuck Long took this picture of the snow from Indian Lake.

Chuck Longo Indian Lake

It was a cold, cloudy and windy day around the Miami Valley.  Winds gusted around 30 mph at times today.

Wind gustsalmanac

The clouds are still around right now but sunshine is starting to peek through the clouds.

Beavercreek Sun

Skies will eventually become mostly clear tonight allowing temperatures to fall into the 20′s and end our growing season.

FREEZE WATCHLows Tonight

The reason we are seeing such a strong cold blast is our jet stream or storm track is taking a large dip south.  This is also one of the reasons why the southeast saw snow this morning and freezing temperatures tonight.

Upper Flow Cold

Skies clear tonight and we’ll start off cold but sunny for Sunday.

Sun 7am Sun 4p

Temperatures will be below normal for Sunday but will rise to near normal conditions for Monday with partly cloudy skies.

Mon 6a Mon 4p

Don’t forget to set your clocks BACK one hour as we FALL BACK to standard time.  Daylight Saving Time (not savings – we’re saving time not putting it into a savings bank account)

Fall Back

This means we’re going to see the sun rising earlier but setting right after you get home from work now.

Have a great weekend!
Tara
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Turning colder beyond today!

October 30th, 2014 at 7:46 am by under Weather

We’re starting off with some clouds this morning… and they’re doing good for our growing season! They have held temperatures in the lower 40s in most spots, so frost has not been a concern:

Temps    temps2

Notice it’s closer to the center of high pressure… that is where skies are clear and winds are calm. We will eventually see some sunshine today, but it will be another cool afternoon, with highs in the lower 50s. If your community has Trick-or-Treat tonight, you have the better of the two nights this week:

event

If your community has Trick-or-Treat on Friday, you might want to consider checking the list of Thursday Beggars Nights to drive somewhere else tonight! Friday looks cold, windy and wet at times. The rain chances will be highest after lunch, as showers move in from the west:

FORECAST

And during the evening hours, much colder air will be moving in from the north… so temperatures will be dropping! Looks like many will have to cover UP the costumes on Friday:

EVENT2

Yes, that is a snowflake on the forecast above! We may see a few wet snowflakes mix in during the evening, with a better chance overnight. We drop to 30-degrees early Saturday morning… and the afternoon high is only going to be 40-degrees! Brrrrr! By Sunday morning, we dip into the mid-20s.

Jamie
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Cooler for a couple days… then COLDER

October 29th, 2014 at 7:29 am by under Weather

Tuesday’s cold front is moving well off to the east, and we have high pressure building in behind it:

temps2

A cooler air mass has moved in, as well… and we will have a couple days near/below normal. Highs both today and Thursday will be in the mid-50s, with a mix of sun and clouds and dry conditions. This week, we have many communities having Trick-or-Treat on Thursday or Friday. You can get the full list of times and locations here: TRICK OR TREAT.

If your city has Beggars Night on Thursday… you win! Seriously, you will have MUCH better weather during the evening:

event

On Friday… the Halloween forecast actually looks quite scary, if you’re not a fan of cold! A stronger trough drops in and temperatures really drop, as well:

500

Expect showers during the daylight hours Friday… with the potential for some wet snowflakes mixing in after the sun sets. Little or no snow accumulation will occur. We still expect the first freeze of the season, too– both Saturday and Sunday mornings will be in the 20s!

Jamie
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Showers today… then much cooler

October 28th, 2014 at 9:43 am by under Weather

What a warm start to the week! As expected, our high temperature Monday afternoon reached 78-degrees… just three degrees shy of  the record for the date. Overnight, it remained mild, check out these temps:

Temps

Now things are changing! A cold front is moving into the Miami Valley today, and we will see showers and even a thunderstorm or two through early afternoon. You can keep tabs on the rain by linking to Live Doppler 2HD anytime!

It will also be another breezy day, with a southwest wind between 10 and 20 mph with slightly higher gusts. Temperatures will slowly fall later in the day, and we will be dropping into the 40s overnight. But this will not be the coldest night of the week! There is the potential for a frost and freeze in the forecast:

lows

There are a lot of communities holding Beggars’ Night on Thursday and Friday this week. Clearly, the better of the two days weather-wise is going to be Thursday. Friday looks even cooler, with the potential for a few showers at times. By Friday evening… IF the moisture lingers… we could even see a few wet snowflakes!  Eeek! Now THAT’S scary.

Jamie
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Unseasonably warm today, with changes Tuesday!

October 27th, 2014 at 7:54 am by under Weather

A warm front south of the area will lift north today, getting us into an unseasonably warm air mass:

Temps

We’re starting off with clouds north of this boundary, but as the front lifts through we’ll see plenty of sunshine in the afternoon. We expect highs in the upper 70s… quite close to a record high for this day!

event

It will be a breezy afternoon, with southerly winds 10-20mph and slightly  higher gusts. But enjoy the sunshine and warmth. Things change as early as late morning on Tuesday, as a cold front approaches the area. This will bring in showers and even the chance of a thunderstorm:

front

The rest of the week will feature temperatures at or below normal. Halloween is still looking chilly with a few showers possible. Right now, it looks like they may be moving out by Trick or Treat in the evening!

Jamie
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Beautiful Fall weather to continue!

October 25th, 2014 at 9:41 pm by under Weather

What a beautiful Autumn day here in the Miami Valley. Believe it or not, a cold front was crossing the region. While we started off with clouds, they quickly cleared out as you can see on our satellite imagery:

sat   sat 2

We enjoyed plenty of sunshine in the afternoon, which  boosted our temperatures significantly! We officially made it up to 75-degrees in Dayton. It was truly one of the best days of the season. Here are a few photos of the afternoon and evening:

leaves

My kids helped… well PLAYED while we did yard work :)

Mark Allan took a 40 mile bike ride to Caesar Creek!

Mark Allan took a 40 mile bike ride to Caesar Creek!

Tom Westendorf sent this beautiful shot of the contrails in the clear evening sky in Kettering.

Tom Westendorf sent this beautiful shot of the contrails in the clear evening sky in Kettering.

Now a slightly cooler air mass will build in for the second half of the weekend. We will dip into the lower 40s overnight, and Sunday’s highs will be in the mid-upper 60s. Still above normal, and still quite pleasant. Look for a bright blue sky and lots of sun to top off our great weekend!

On Monday, a warm front will lift through the area in the morning, and bring us another warm afternoon:

front

Then a stronger cold front arrives on Tuesday, with our next chance of rain. We will gradually turn cooler during the second half of the week, and unfortunately it looks chilly for Trick-or-Treaters (and high school football) on Halloween.

I hope you have been able to enjoy this awesome Autumn weather while it’s here!

Jamie
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Partial solar eclipse today

October 23rd, 2014 at 7:07 am by under Weather

Skies will become mostly sunny this afternoon which will be perfect for the partial solar eclipse visible later today.  The best viewing times will be shortly after 5:30 p.m.

solar eclipse

A solar eclipse happens with the moon blocks out part of the sun.

Click here to see a web stream of the event.

Make sure you don’t look at the sun directly.  There’s a few ways you can view the solar eclipse safely.  If you have special glasses you can use those, watch it online or grab the cardboard from a roll of toilet paper.

Solar eclipse safely

Tape a piece of paper at one end of the roll and poke a small hole in the paper.  Hold the open end up to the sun and you can see the projected image of the eclipse.

Happy viewing!

Tara
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