Jump to content
  • Member Statistics

    17,584
    Total Members
    7,904
    Most Online
    LopezElliana
    Newest Member
    LopezElliana
    Joined

2012 Winter Banter Thread #3


yoda

Recommended Posts

  • Replies 3.1k
  • Created
  • Last Reply

post-120-0-82835500-1329694326.gif

MESOSCALE DISCUSSION 0136

NWS STORM PREDICTION CENTER NORMAN OK

0502 PM CST SUN FEB 19 2012

AREAS AFFECTED...SERN VA...PORTIONS OF FAR NERN NC

CONCERNING...HEAVY SNOW

VALID 192302Z - 200200Z

SNOWFALL RATES FROM 1-2 IN/HR WILL BE POSSIBLE THIS EVENING OVER

PORTIONS OF SERN VA AND FAR NERN NC. HEAVIEST SNOWFALL IS FORECAST

TO OCCUR BETWEEN 00-03Z...AND THEN QUICKLY SUBSIDE BY 03-06Z.

PROGRESSIVE LOW AMPLITUDE UPPER-LEVEL SHORTWAVE TROUGH IS CURRENTLY

MOVING ACROSS THE SRN APPALACHIANS...AND WILL EXIT OFF THE VA/NC

COAST BY 06Z. MEANWHILE AT THE SURFACE...AREA OF LOW PRESSURE

RESIDES OFF THE NC/SC COASTLINE...AND IS FORECAST TO TRACK NEWD TO A

LOCATION OFF THE COAST OF CAPE HATTERAS BETWEEN 03-06Z. AS THIS

OCCURS...LOW-LEVEL WINDS WILL SLOWLY BACK FROM NELY TO NLY OVER

PORTIONS OF FAR NERN NC AND SERN VA. SHORT-TERM MODEL GUIDANCE ALSO

INDICATES AN E-W ORIENTED ZONE OF 850-700 MB FRONTOGENESIS BECOMING

POSITIONED FROM CNTRL VA INTO SERN MD DURING THE EVENING. STRONG

ASCENT ASSOCIATED WITH THIS FRONTOGENESIS COMBINED WITH LARGE-SCALE

UVV/S ACCOMPANYING THE UPPER TROUGH PASSAGE MAY RESULT IN SUFFICIENT

DYNAMIC COOLING FOR PRECIPITATION TO CHANGE OVER TO SNOW BY

00-03Z...WITH WARM NELY ONSHORE FLOW BECOMING LESS OF A FACTOR AS

WINDS BACK TO NLY. GIVEN THE COMBINATION OF SATURATED ISOTHERMAL

PROFILES FROM THE SURFACE TO 700 MB DEPICTED IN MODEL FORECAST

SOUNDINGS...AS WELL AS STRONG ASCENT ASSOCIATED WITH PREVIOUSLY

MENTIONED FORCING MECHANISMS...SNOWFALL RATES MAY APPROACH 1-2 IN/HR

DURING THE EVENING/EARLY NIGHT.

..GARNER.. 02/19/2012

ATTN...WFO...AKQ...LWX...RAH...

LAT...LON 36247791 36927820 37817801 38167739 38027663 37067626

36597637 36277702 36247791

Link to comment
Share on other sites

Archived

This topic is now archived and is closed to further replies.

  • Recently Browsing   0 members

    • No registered users viewing this page.

×
×
  • Create New...