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December 16th event

RaleighWx

By RaleighWx,
in Southeastern States

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BullCityWx

BullCityWx

Posted
Posted

I agree with you Robert, we're not in the best location for this one for all the reasons you mentioned. CLT is back up to 33, and while there's still a long way to go the SW winds are going to be a problem for temps. Those north of us will have the better chance, we'll see what happens but it's not an ideal situation for us.

You back in Charlotte, john?

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Stovepipe

Stovepipe

Posted
Posted

Conditions are deteriorating rapidly in Knoxville. Barring major highways that have been treated, roads are becoming impassable. This is according to local news and my own observations. It's becoming difficult to stand up in the middle of the gently sloping road in front of my house. Luckily the local news outlets and the NWS have taken this one seriously and hopefully most people are staying off the roads. This is a rough one folks.

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NCSNOW

NCSNOW

Posted
Posted

moisture bands are developing right over me now, right out of the blue for Rutherford and Cleveand Co. We'll see if this starts as snow. If it doesn't then the models understimated the warm advection, as it certainly should have started as snow at this hour.

This radar loop shows the moisture breaking containment and looks like a firehose out of the nW is getting ready to spray us. I was doubting getting any moisture by 5:00 am, but I;m thinking it may be possible sooner, rather than latter.

http://www.accuweath...r.asp?play=true

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HWY316wx

HWY316wx

Posted
Posted

Why does everyone want ice? I mean people have died today because of this. :( Atlanta is a freaking mess, this is not anything to go play in.

I don't know that anyone "wants" ice. I think we pull for the weather to do something different, even if that is a make shift skating rink.

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mercurydime

mercurydime

Posted
Posted

moisture bands are developing right over me now, right out of the blue for Rutherford and Cleveand Co. We'll see if this starts as snow. If it doesn't then the models understimated the warm advection, as it certainly should have started as snow at this hour.

just took a look at that. some of the heavier precip i've seen on the radar returns this evening were there on the western rutherford border with polk. maybe it'll hold up and give bostic and shelby some white stuff.

still dry as a bone (and cold) here in mcdowell near the escarpment...hope it changes soon. i'd really like to miss school tomorrow. stomping out ignorance is hard...and my feet are tired :snowman:

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strongwxnc

strongwxnc

Posted
Posted

I would bold the need to know parts. But it is all a good read.

AREA FORECAST DISCUSSION

NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC

1002 PM EST WED DEC 15 2010

.SYNOPSIS...

HIGH PRESSURE WILL SLIDE EAST OF THE REGION TONIGHT AND TOMORROW

WHILE A FAST MOVING LOW PRESSURE SYSTEM MOVES OVER THE CAROLINAS ON

THURSDAY. ANOTHER AREA OF LOW PRESSURE WILL THEN DEVELOP TO OUR

SOUTH AND MOVE UP THE SOUTHEAST COAST OVER THE WEEKEND. HIGH

PRESSURE BUILDS BACK OVER THE AREA EARLY NEXT WEEK.

&&

.NEAR TERM /THROUGH THURSDAY/...

REGIONAL RADARS SHOW A BAND OF PCPN EXTENDING FROM NEAR

NASHVILLE...SOUTHEAST ACROSS CHATTANOOGA AND DOWN TO ATHENS. THIS IS

ABOUT WHERE THE 18 UTC RUN OF THE NAM SHOWED THE BEST LOW LEVEL WARM

ADVECTION...SO IT MAKES SENSE THAT THIS IS WHERE THE BETTER PCPN IS

TO BE FOUND. A BROADER AREA OF MID-TROPOSPHERIC FRONTOGENESIS IS

ALSO OVERSPREADING THE REGION...RESULTING IN PATCHY AREAS OF LIGHT

SNOW AND SLEET AHEAD OF THE HEAVIER BAND OF SLEET...RAIN AND

FREEZING RAIN. LOW AND MID LEVEL DEWPOINT DEPRESSIONS CONTINUE TO BE

QUITE HIGH EAST OF THE MTNS...AS SEEN ON THE 00 UTC GSO SOUNDING.

THE AIRMASS IS CONSIDERABLY MORE MOIST WEST OF THE MTNS. COUPLE THIS

WITH STRONGER LLVL WINDS CLOSER TO THE LOW DEVELOPING OVER AR...AND

YOU CAN SEE WHY PCPN IS BLOSSOMING OVER ERN TN...BUT IS STOPPING

JUST A LITTLE WAYS INTO NC.

ALL OF THE ABOVE IS CONSISTENT WITH HOW THE EARLY PARTS OF THE EVENT

WERE EXPECTED TO EVOLVE...AND SO FAR THE FORECAST IS LOOKING GOOD.

THE NAM SFC WET BULBS /TEMPERATURE THE ATMOSPHERE WILL COOL TO WHEN

SATURATED/ STAY BELOW FREEZING ACROSS MOST OF THE FA THROUGH 12 UTC.

MOST OF THE PCPN IS EXPECTED TO FALL ACROSS THE HEART OF THE FA FROM

6 TO 12 UTC...THOUGH THE I40 CORRIDOR WILL SEE PCPN LAST UNTIL

AROUND NOON. SO A GOOD BIT OF THE PCPN WILL FALL INTO A BNDRY LAYER

WITH BELOW FREEZING TEMPERATURES. SO IT STILL MAKES SENSE TO KEEP

THE WINTER WEATHER ADVISORY IN PLACE FOR A WIDE SWATH OF THE

FOOTHILLS AND PIEDMONT. TRUE...THE QPF WON/T BE VERY HEAVY...BUT

EVEN THE DRIER LOCATIONS OVER THE SE PART OF THE FA SHOULD SEE

UPWARDS OF TENTH OF AN INCH OF LIQUID EQUIVALENT...WITH CLOSER TO A

HALF INCH OR SO OVER THE NRN MTNS.

THE FFC AND BNA SOUNDINGS EXHIBITED ABOUT A +3 DEG C WARM NOSE. THIS

IS ALSO CONSISTENT WITH THE NAM. THEREFORE THE PCPN TYPE PHILOSOPHY

STILL LOOKS GOOD WITH A BRIEF PERIOD OF SNOW...TRANSITING TO A

PERIOD OF SLEET...WITH MOST OF THE PCPN FALLING AS FREEZING RAIN.

THE SNR TIER WILL TAKE A WHILE TO WET-BULB DOWN TO FREEZING...AND I

LIKE THE CUTOFF WHICH EXCLUDES THE 3 SRN MOST COUNTIES. OVER THE

MTNS...AND THE INTERIOR NC FOOTHILLS...TRANSITIONS WILL TAKE THE

LONGEST IN THE AREAS THAT SEE THE HEAVIEST PCPN. THEREFORE...THE

WINTER STORM WARNING FOR THE NRN MTNS AND THE ADJACENT ESCARPMENT

STILL LOOKS GOOD. WHILE WE MAY NOT MEET OUR OBJECTIVE CRITERIA...THE

COLD GROUND AND COLD STARTING TEMPS WILL ENSURE THAT ROADS IN THESE

AREAS...AND ALL OF THE MTNS...WILL BECOME A COMPLETE MESS EARLY IN

THE EVENT.

850 MB TEMPS SHOULD WARM RAPIDLY TO BETWEEN 4 AND 6 DEG C DURING THE

DAY ON THU...ALLOWING A COMPLETE CHANGEOVER TO RAIN. THE SW TIER OF

WINTER HAZARDS WILL EXPIRE AT 10 AM...WITH THE NRN TIER EXPIRING AT

NOON. THERE IS SOME POTENTIAL FOR SFC WET BULB ZERO VALUES TO REMAIN

NEAR FREEZING UNTIL THE EARLY AFTERNOON IN THE NW NC PIEDMONT...BUT

THE ADVISORY CAN BE LOCALLY EXTENDED IF NEEDED THERE EARLY THU. THE

WINTER PRODUCTS WILL PLAY UP MAINLY TREACHEROUS TRAVEL CONDITIONS

THROUGHOUT DURING THE THU MORNING DRIVE TIME.

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Itunis

Itunis

Posted
Posted

I don't know that anyone "wants" ice. I think we pull for the weather to do something different, even if that is a make shift skating rink.

Very true. And you can't deny ice can't be fun...when I went to get the garbage cans a bit ago I kicked off with one foot and literally slid 20 feet or so down my driveway, garbage cans in tow.

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FoothillsNC

FoothillsNC

Posted
Posted

This radar loop shows the moisture breaking containment and looks like a firehose out of the nW is getting ready to spray us. I was doubting getting any moisture by 5:00 am, but I;m thinking it may be possible sooner, rather than latter.

http://www.accuweath...r.asp?play=true

I'm expecting someting any second. Nothing yet. Temp 32, dew 18..so should be frozen whatever it is.

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BIG FROSTY

BIG FROSTY

Posted
Posted

NWS sticking to their guns-----

Currently 24 dp 7

NCZ003-161130-SURRY-INCLUDING THE CITIES OF...DOBSON936 PM EST WED DEC 15 2010...WINTER STORM WARNING IN EFFECT UNTIL 7 AM EST FRIDAY....OVERNIGHT...MOSTLY CLOUDY. A SLIGHT CHANCE OF SNOW EARLY...THENSNOW. SNOW ACCUMULATION OF 1 TO 3 INCHES. NOT AS COOL. NEAR STEADYTEMPERATURE IN THE MID 20S. LIGHT AND VARIABLE WINDS. CHANCE OFSNOW 80 PERCENT..THURSDAY...FREEZING RAIN. SNOW AND SLEET IN THE MORNING...THENRAIN WITH SLEET LIKELY IN THE AFTERNOON. ADDITIONAL SNOW ANDSLEET ACCUMULATION AROUND AN INCH. ICE ACCUMULATION OF UP TO ATENTH OF AN INCH. HIGHS IN THE MID 30S. LIGHT AND VARIABLE WINDS.CHANCE OF PRECIPITATION NEAR 100 PERCENT. .THURSDAY NIGHT...CLOUDY. A CHANCE OF RAIN...MAINLY IN THEEVENING. NEAR STEADY TEMPERATURE IN THE LOWER 30S. LIGHT ANDVARIABLE WINDS...BECOMING NORTHWEST AROUND 10 MPH WITH GUSTS UPTO 20 MPH AFTER MIDNIGHT. CHANCE OF RAIN 50 PERCENT

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WXinCanton

WXinCanton

Posted
Posted

from the AJC.. And I can verify this is legit.

10:09 p.m.: Between 5 p.m. and 10 p.m., 226 wrecks were reported in DeKalb County, police said.

9:59 p.m.: Classes are canceled for Cherokee County schools Thursday. Check other closings here.

9:55 p.m.: Abandoned vehicles along Eagle Drive from Rose Creek to Town Lake Parkway in Cherokee County are making it difficult for road crews to get through to pour salt and gravel. Those who have left their cars should try to move them, or least move them to the far right shoulder of the road, Lt. Jay Baker said.

9:48 p.m.: Government offices in Cherokee County will open later than usual Thursday. Check for other closings and delays.

9:27 p.m.: No serious injuries or deaths have been reported despite the hundreds of wrecks in Cobb County, Officer Joe Hernandez told the AJC.

9:12 p.m.: Several roads have been closed in Cherokee County due to ice. Those include: Reinhardt College Parkway, Mill Creek Road, Towne Lake Parkway, Woodstock Road overpass at I-75, and Hickory Flat Highway at the Cherokee-Fulton county line. Other roads are also impassable, according to Lt. Jay Baker with the sheriff's office.

9:04 p.m.: No fatalities have been reported despite wrecks throughout DeKalb County, police spokeswoman Mekka Parish told the AJC.

8:55 p.m.: The precipitation is changing over to rain, but we're not out of the woods yet, Channel 2 Actions News Chief Meteorologist Glenn Burns said. "It may take all night for the temperatures to warm up."

8:39 p.m.: Some roads in Paulding County look like used car lots due to all the crashed cars, Deputy Ashley Henson with the sheriff's office said. “We’re suggesting people walk to their houses in some locations where roads closed. It's a better alternative."

8:30 p.m.: From Gwinnett to DeKalb to Cobb and Cherokee, traffic is a mess all over. Many major highways are closed due to multiple wrecks, GDOT is reporting. Interstate ramps are also blocked.

8:26 p.m.: After working their shifts, some Cobb County police officers were called back to duty to help with the numerous crashes, Officer Joe Hernandez told the AJC.

8:25 p.m.: Life-threatening injuries reported after wreck off Old Fountain Road in Dacula in Gwinnett County, police told the AJC. Read more.

8:10 p.m.: There have been multiple reports of vehicles being abandoned on Cherokee County roads, said Lt. Jay Baker. County DOT will be salting roadways throughout the night. Any vehicles left abandoned on the roadway and blocking salt trucks will have to be removed by wreckers. Persons stranded in their vehicles will receive assistance. Cars left on the side of the roadway that are not blocking traffic will not be removed tonight however could be struck by salt and gravel from the salt trucks, Baker said.

8:05 p.m.: GDOT is reporting a 5-vehicle pileup on I-

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Brian

Brian

Posted
Posted

Area forecast discussion...updated

National Weather Service Peachtree City Georgia

950 PM EST Wednesday Dec 15 2010

Update...

significant Road icing continuing across north Georgia...generally along

and north of I-20 and I-85 NE of Atlanta. A thin layer of ice has

developed on many north Georgia roadways from earlier sleet and later

-fzra/-fzdz a result of frozen ground from several days below

freezing...lows in the 10-20 range the past two days...and

shallow...residual Arctic air mass in place at the onset of

precipitation...dewpoints 0 to 10 earlier this afternoon. The precipitation was the

result of strong middle-level warm advection. Extensive havoc with Road

conditions across north Georgia this evening with literally hundreds of

accidents...including several major interstates in the atl metropolitan

area. Little improvement expected overnight as shallow layer of

residual Arctic air hangs tough near the surface. Strong middle-level warm

advection will translate down to the boundary layer with warm SW

flow aloft. This will finally scour out the remaining Arctic air

quickly after daybreak Thursday from SW-NE. Other than some lingering

-fzdz in the gvl area early Thursday...only -ra expected from that point

forward.

Have made some significant adjustments to the weather grids to account

mainly for precipitation type and exiting of the initial upper-level

disturbance.

Sleet has moved mostly NE out of the County Warning Area and was confined to the

initial leading edge of the precipitation where the cold air was slightly

deeper. Otherwise...expect overnight precipitation to be mainly -fzdz with

brief pockets of -fzra. While conditions will not get much

better...do not anticipate them getting much worse either.

Temperatures will hold steady 30-32 across the north...except 28-30

in the mountain valleys. Further south..south of atl-ahn...only

liquid precipitation expected with temperatures holding 33-37 overnight. Probability of precipitation less

in this area as disturbance favoring mainly northern areas and

moving NE.

Remainder of forecast looks good. Next system Friday-Sat appears more

and more on each model run to be a coastal system with rain from

that favoring southeast Georgia...with only light rain and chance probability of precipitation further

north. Models coming into better agreement of potentially another

Arctic outbreak toward Christmas...but with little precipitation.

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