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February 21-22 Storm Observations


Rtd208

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Ok I'll take your word for it. How is it THAT much colder though? You make a good point in the other thread though, last night FOK only got down to around 3, pretty similar to surrounding stations.

I'm telling you it makes no sense to only be off on clear nights with calm winds. I see a couple other stations on wunderground between -3 and -6. There has to be a good explaination. Maybe a met can explain why kfox radiates so well.

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I'm telling you it makes no sense to only be off on clear nights with calm winds. I see a couple other stations on wunderground between -3 and -6. There has to be a good explaination. Maybe a met can explain why kfox radiates so well.

Actually this has been the topic of debate for many years. The Pine Barrens radiate excellent as well.
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Actually this has been the topic of debate for many years. The Pine Barrens radiate excellent as well.

Yes I know this. But our discussion is on why kfox radiates better than anywhere else in the surrounding area. Hopefully someone can shed some light on it.

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Yes I know this. But our discussion is on why kfox radiates better than anywhere else in the surrounding area. Hopefully someone can shed some light on it.

Several of my professors discussed this topic. One theory was the sand which was underneath the area. Exceedingly porous, allows quickest of ground and thermal heating. Others abound, but none of them gave any concrete answer.
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Several of my professors discussed this topic. One theory was the sand which was underneath the area. Exceedingly porous, allows quickest of ground and thermal heating. Others abound, but none of them gave any concrete answer.

Interesting. I have heard the sand explaination before. Thanks for responding.

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http://www.hpc.ncep.noaa.gov/discussions/hpcdiscussions.php?disc=qpfhsd

 

PROBABILISTIC HEAVY SNOW AND ICING DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
331 AM EST SAT FEB 21 2015

VALID 12Z SAT FEB 21 2015 - 12Z TUE FEB 24 2015


...OH VALLEY/CENTRAL TO NORTHERN APPALACHIANS ACROSS
MID-ATLANTIC/NEW ENGLAND...

A LARGE AREA OF MIXED PRECIPITATION IN THE OH AND TN VALLEYS WILL
MOVE NORTHEAST SATURDAY. AN ANOMALOUS FLUX OF MOISTURE WILL
SURGE NORTHEAST ACROSS THE CENTRAL APPALACHIANS TO THE MID
ATLANTIC ON THE NOSE OF AN 80 MB JET OF 50-60 KT. THE STRONG WARM
AND MOIST ADVECTION ALOFT OCCURRING OVER LOW LEVEL COLD AIR
RESULTS IN A LARGE AREA OF SNOW AND MIXED PRECIPITATION ACROSS THE
REGION. THE HEAVIEST PRECIPITATION OCCURS WHERE THE STRONGER
850-700 MB MOISTURE FLUX ANOMALIES INTERACT WITH THE TERRAIN OF
THE CENTRAL APPALACHIANS. THE HEAVIEST SNOW TOTALS ARE
ANTICIPATED IN THE MOUNTAINS OF WV TO THE VA BORDER. THE
UNCERTAINTIES ARE HOW FAR NORTH HIGHER QPF AMOUNTS EXTEND ACROSS
PA/NY/NEW ENGLAND
...AND THE DISTRIBUTION OF PRECIPITATION TYPES
WHERE SNOW CHANGES TO SLEET/FREEZING RAIN OR RAIN FROM SOUTHEAST
NEW ENGLAND TO THE MID ATLANTIC.
THE WARM ADVECTION MAY ALSO RESULT IN THE EVENT WINDING DOWN AS A
PERIOD OF FREEZING DRIZZLE ACROSS WV AND THE MID ATLANTIC TO
SOUTHEAST NY AND PORTIONS OF SOUTHERN NEW ENGLAND.

 

http://www.spc.noaa.gov/exper/mesoanalysis/s19/857f/857f_sf.gif?1424522590347

 

http://www.spc.noaa.gov/exper/mesoanalysis/new/archiveviewer.php?sector=19&parm=fzlv#

 

http://www.spc.noaa.gov/exper/mesoanalysis/s19/thck/thck_15022108.gif

 

IMO-I would go with high end of your NWS snow progs

 

dm

 

 

 

 

 

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