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Jan 12-14 Minor Ice and Snow Disco/Obs


Bob Chill

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LWX updated morning disco

 

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
951 AM EST TUE JAN 13 2015

.SYNOPSIS...
HIGH PRESSURE WILL SHIFT EAST FROM THE GREAT LAKES ACROSS NEW
ENGLAND THROUGH WEDNESDAY. LOW PRESSURE WILL ALSO MOVE ALONG THE
CAROLINA COAST WEDNESDAY. HIGH PRESSURE THEN PREVAILS THROUGH
SATURDAY.

&&

.NEAR TERM /THROUGH WEDNESDAY/...

HIGH PRES CENTERED ALONG THE U.S./CANADA BORDER IS PRESSING INTO
THE MID ATLC BRINGING SUNNY SKIES TO THE MAJORITY OF THE FCST
AREA. HIGH XPCTD TO REACH THE M30S OVR MUCH OF THE AREA.

OUR EYES AND MINDS ARE ON THE SHORT WV OVR THE GULF STATES WHICH
LOOKS TO DEEPEN OFF THE CAROLINAS TNGT. THIS IN TURN COULD SPREAD
WINTRY PCPN OVR THE ERN HALF OF THE FCST AREA LATE TNGT/1ST HALF
OF WED. AFTR THAT IT BECOMES A QUSTN OF P-TYPE...RATIOS...AND HOW
MUCH. WE`LL BE LOOKING AT THE 12Z MDLS...AND MAY HV TO MAKE SOME
DECISIONS EARLY THIS AFTN.

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NAM/EURO/GGEM/RGEM are reasonably in line with each other other than some QPF differences.  GFS tickled DC at 6z.  We'll see what it does.  1" would be nice.  But I like little snows.

I think 06z NAM was best (as in most snow) case scenario for us... but as others have said... 1" is fine by me

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I think 06z NAM was best (as in most snow) case scenario for us... but as others have said... 1" is fine by me

 

Euro moved like 100 miles west with the precip shield...I think we'll still see some fluctuations in shield and wetness as the day progresses..could shift good or bad...you and I are in a decent spot for 1" if you like 1" events...I do..should stick immediately

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Euro moved like 100 miles west with the precip shield...I think we'll still see some fluctuations in shield and wetness as the day progresses..could shift good or bad...you and I are in a decent spot for 1" if you like 1" events...I do..should stick immediately

 

Def agree... any accumulating snow is good snow... hope the GFS twins can come on board more

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If we squeak out an inch, IAD will be above normal on the year.  Need over 2" to say the same for DCA/BWI.

 

 

No, seasonal.  IAD normally has 6.2" to date.  They have 5.8". 

 

Everyone forgets how utterly pathetic our climo is through December.

BWI averages .4" in NOV, 3" in DEC and 6.8" in JAN

so, it has 2.8" so far this winter

if you half JAN's average since tomorrow is the 14th of the month, climo would be 6.8" thru mid JAN

bottom line, we need 4" to get to climo the way I figured it

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BWI averages .4" in NOV, 3" in DEC and 6.8" in JAN

so, it has 2.8" so far this winter

if you half JAN's average since tomorrow is the 14th of the month, climo would be 6.8" thru mid JAN

bottom line, we need 4" to get to climo the way I figured it

It's contained in the CLI's. For Baltimore as of this morning:

 

Total: 2.8   Normal value: 5.4     Departure: -2.6

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reminds me of 1/28 without the 20-25:1 ratios, plus should be warmer than 12 degrees..lol

ha was just saying the same.. tho mainly because it was the most recent SE of us event. i think we could do 1". 

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