CarlHill Posted February 25, 2015 Share Posted February 25, 2015 Robert's WXSouth Facebook update is calling this storm borderline dangerous and he is convinced it will be one for the history books. That says alot to me. I hope folks around here are making preparations for lengthy power outages. Link to comment Share on other sites More sharing options...
drfranklin Posted February 25, 2015 Share Posted February 25, 2015 didn't someone (? Lookout) mention a "finger" of precipitation pushing east ahead of the main precip shield - well, it looks to be forming: http://www.intellicast.com/Local/WxMap.aspx Link to comment Share on other sites More sharing options...
sctvman Posted February 25, 2015 Share Posted February 25, 2015 Amazing the contrasts. Some places in SC like Rock Hill could be preparing for a 1' snow while lower SC will be getting 1.5-2" of rain. There even could be a gradient thru the CAE area. Link to comment Share on other sites More sharing options...
BullCityWx Posted February 25, 2015 Share Posted February 25, 2015 Amazing the contrasts. Some places in SC like Rock Hill could be preparing for a 1' snow while lower SC will be getting 1.5-2" of rain. There even could be a gradient thru the CAE area. I think the NAM had 7" at Winnsboro and 1" at CAE/CUB. Link to comment Share on other sites More sharing options...
Divine Posted February 25, 2015 Share Posted February 25, 2015 would love to see it Link to comment Share on other sites More sharing options...
CaryWx Posted February 25, 2015 Share Posted February 25, 2015 Up to 37 here in Cary ladies. Think we're headed for mid 40s by afternoon unless clouds really roll in. Link to comment Share on other sites More sharing options...
Cold Rain Posted February 25, 2015 Share Posted February 25, 2015 Up to 37 here in Cary ladies. Think we're headed for mid 40s by afternoon unless clouds really roll in. Yep, that's unfortunate. We should be able to cool down quickly enough if the layer is shallow. It would have been nice to stay in the 30s to around 40, max. Link to comment Share on other sites More sharing options...
PackGrad05 Posted February 25, 2015 Share Posted February 25, 2015 I'm not at 37 down here near fuquay... i'm at 34 with clouds rolling in already Link to comment Share on other sites More sharing options...
DopplerWx Posted February 25, 2015 Share Posted February 25, 2015 would love to see it can you post the link to where you can find that map, i had it bookmarked but lost it. thanks. Link to comment Share on other sites More sharing options...
Brick Tamland Posted February 25, 2015 Share Posted February 25, 2015 Not often you see the models have that much consensus for a big snow storm here. Link to comment Share on other sites More sharing options...
griteater Posted February 25, 2015 Share Posted February 25, 2015 GSP's Latest Thoughts: AS OF 0945 AM... OTHERWISE IT IS ALSO NOTEWORTHY THAT MODEL FORECAST SOUNDINGS SHOW CLASSIC CROSS HAIR SIGNATURES AT PLACES LIKE GSP AND CLT WHICH INDICATE VERY EFFICIENT SNOWFALL RATES WITH THE POTENTIAL FOR SOME CONVECTIVE COMPONENTS TO LOCALLY ENHANCE SNOWFALL TOTALS. LOOKS LIKE A WINDOW OF ABOUT 6 HOURS OF MODERATE TO HEAVY SNOW WITH 1-2 INCHES PER HOUR...ESPECIALLY WHERE BANDING OCCURS. Last 2 NAM runs have it for CLT (I can't see GSP). Here's the 12z NAM Link to comment Share on other sites More sharing options...
PackGrad05 Posted February 25, 2015 Share Posted February 25, 2015 11AM update from RAHQUICK 1100 AM UPDATE. QUICK LOOK AT 12Z GUIDANCE NOTES NOIMMEDIATE OR SIGNIFICANT FORECAST ADJUSTMENTS ARE NEEDED BUT NAMCONTINUES TO TREND NORTH A BIT AND WITH THE GFS SHOWING A SLIGHTNORTHWARD ADJUSTMENT. we may see predicted amounts come way down in lieu of more rain.. Link to comment Share on other sites More sharing options...
Brick Tamland Posted February 25, 2015 Share Posted February 25, 2015 Yep, that's unfortunate. We should be able to cool down quickly enough if the layer is shallow. It would have been nice to stay in the 30s to around 40, max. I don't think it's going to be that big of a deal. The sky is already getting pretty overcast already. Link to comment Share on other sites More sharing options...
kvegas-wx Posted February 25, 2015 Share Posted February 25, 2015 Anyone have quick access to a dewpoint map. I am mobile (and in wisconsin today so what do i care, right?) Curious to see how quickly temps will drop across the triad. Looks like 37 headed for 40-41 as the cloud cover is close by. Link to comment Share on other sites More sharing options...
tarheelwx Posted February 25, 2015 Share Posted February 25, 2015 I think the short range models (RAP) are showing a bit of a north movement and stronger low. Therefore, mixing or liquid may become a factor in the southern piedmont, over to Sanford, Pittsboro, and even southern wake county. Just my two cents. If the low keeps coming in stronger and closer to the coast, what's good for some will be bad for others. TW Link to comment Share on other sites More sharing options...
Brick Tamland Posted February 25, 2015 Share Posted February 25, 2015 Others have already stated and shown why mixing would be a minimum and should be to the south of Wake County, including mets like Allan Huffman. It may mix as some sleet, but it would be near the end of the precip and have minimal impact. Link to comment Share on other sites More sharing options...
sctvman Posted February 25, 2015 Share Posted February 25, 2015 @LoznickaCBS46: Situational Weather Update for Atlanta: northern suburbs away from top end of perimeter can expect heavy, wet snow tonight; totals up to 4" Link to comment Share on other sites More sharing options...
Divine Posted February 25, 2015 Share Posted February 25, 2015 can you post the link to where you can find that map, i had it bookmarked but lost it. thanks. http://coolwx.com/modelts/images/nam/current/ ..click on the airport and then its the prec.png Link to comment Share on other sites More sharing options...
Cold Rain Posted February 25, 2015 Share Posted February 25, 2015 Others have already stated and shown why mixing would be a minimum and should be to the south of Wake County, including mets like Allan Huffman. It may mix as some sleet, but it would be near the end of the precip and have minimal impact. You do realize that what others have said (said: past tense) is based on data that they observed (observed: past tense). New data is coming (present) in that suggests (present) forecasts (future) may need (future) adjustments. Link to comment Share on other sites More sharing options...
nchighcountrywx Posted February 25, 2015 Share Posted February 25, 2015 There continues to be a disconnect in the models on actual snow on ground vs snowfall, although they have started to trend more closely together. Normally when surface temperatures are down in the upper 20's it is not an issue as all that falls will accumulate. Images courtesy of Weatherbell It will be close in areas where surface temperatures are not in the 20s Link to comment Share on other sites More sharing options...
Pack83 Posted February 25, 2015 Share Posted February 25, 2015 The last RAP has a .75 contour showing for hourly precip. Surely that can't happen! Link to comment Share on other sites More sharing options...
stlirish Posted February 25, 2015 Share Posted February 25, 2015 @LoznickaCBS46: Situational Weather Update for Atlanta: northern suburbs away from top end of perimeter can expect heavy, wet snow tonight; totals up to 4" I'm curious how the NE burbs will do Lilburn - Norcross - Duluth areas.... They usually get a wedge of cold air being away from the city. I'm going with around 4" ... Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
Cheeznado Posted February 25, 2015 Share Posted February 25, 2015 Boy. look at that classic ATL screw nose on the HRRR- more west and east. Enjoy the snow everyone else..... Link to comment Share on other sites More sharing options...
RaleighWx Posted February 25, 2015 Share Posted February 25, 2015 This was the 12z GFS-13km snow map. Trust this over the op GFS maps which are lower res. Link to comment Share on other sites More sharing options...
stlirish Posted February 25, 2015 Share Posted February 25, 2015 Boy. look at that classic ATL screw nose on the HRRR- more west and east. Enjoy the snow everyone else..... Screen Shot 2015-02-25 at 11.25.07 AM.png Cheez, what's your location? I'm expecting anyone north/northwest/northeast of perimeter to do pretty good. The city will struggle to get cold enough IMO. Sent from my iPhone using Tapatalk Link to comment Share on other sites More sharing options...
burgertime Posted February 25, 2015 Share Posted February 25, 2015 11AM update from RAH QUICK 1100 AM UPDATE. QUICK LOOK AT 12Z GUIDANCE NOTES NO IMMEDIATE OR SIGNIFICANT FORECAST ADJUSTMENTS ARE NEEDED BUT NAM CONTINUES TO TREND NORTH A BIT AND WITH THE GFS SHOWING A SLIGHT NORTHWARD ADJUSTMENT. we may see predicted amounts come way down in lieu of more rain.. Man you just refuse to except that snow is happening. Slight and a bit are minor...thus NO IMMEDIATE OR SIGNIFICANT FORECAST ADJUSTMENTS. Calling or mostly rain would be significant. Link to comment Share on other sites More sharing options...
lilj4425 Posted February 25, 2015 Share Posted February 25, 2015 This was the 12z GFS-13km snow map. Trust this over the op GFS maps which are lower res. It dry slots me. Link to comment Share on other sites More sharing options...
Cheeznado Posted February 25, 2015 Share Posted February 25, 2015 Cheez, what's your location? I'm expecting anyone north/northwest/northeast of perimeter to do pretty good. The city will struggle to get cold enough IMO. Sent from my iPhone East of downtown. I think we see sleet and that is it. Link to comment Share on other sites More sharing options...
wncsnow Posted February 25, 2015 Share Posted February 25, 2015 Lol 2009 was one of the biggest Lee side downslope dry slots I have seen and the gfs snow map looks awfully similar... one inch imby and 6+ Charlotte Link to comment Share on other sites More sharing options...
No snow for you Posted February 25, 2015 Share Posted February 25, 2015 This was the 12z GFS-13km snow map. Trust this over the op GFS maps which are lower res. How accurate is this GFS? Seems like those totals are very low for the upstate and a big snow how in NE GA Link to comment Share on other sites More sharing options...
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