MESO: Mesoscale Discussion 0061

ACUS11 KWNS 290033
SWOMCD
SPC MCD 290033
NEZ000-COZ000-290430-

MESOSCALE DISCUSSION 0061
NWS STORM PREDICTION CENTER NORMAN OK
0633 PM CST MON JAN 28 2013

AREAS AFFECTED...NEB PANHANDLE...NWRN NEB...FAR NERN CO

CONCERNING...HEAVY SNOW

VALID 290033Z - 290430Z

SUMMARY...A BAND OF MDT TO OCCASIONALLY HVY SNOW IS EXPECTED TO
DEVELOP DURING THE EVENING...PRIMARILY AFFECTING THE NEB PANHANDLE
AND NWRN NEB. SNOWFALL RATES GREATER THAN 1 INCH/HR ARE EXPECTED
WITH THE POTENTIAL FOR ISOLATED RATES AROUND 2 INCH/HR.

DISCUSSION...RECENT RADAR IMAGERY SHOWS A SNOW BAND DEVELOPING
ACROSS FAR NERN CO AND THE NEB PANHANDLE. THIS BAND IS LOCATED TO
THE N OF A SURFACE LOW CENTERED ON THE CNTRL CO/KS BORDER.
MESOANALYSIS AND 23Z RAP REVEAL STRONG FRONTOGENESIS BETWEEN 800-700
MB JUST SOUTH OF THIS SNOW BAND. THIS AREA OF FRONTOGENESIS IS
COUPLED WITH THE LEFT EXIT REGION OF A STRONG UPPER LEVEL JET AND IS
EXPECTED TO PERSIST FOR THE NEXT SEVERAL HOURS. AS A RESULT...A SNOW
BAND CAPABLE OF PRODUCING 1 INCH/HR SNOWFALL RATES IS EXPECTED
ACROSS THE DISCUSSION AREA. THE SNOW BAND IS EXPECTED TO MOVE
NEWD...REACHING N-CNTRL NEB/S-CNTRL SD AROUND 04Z.

..MOSIER/GRAMS.. 01/29/2013

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LBF...BOU...CYS...

LAT...LON 41630334 42310266 42940122 42760048 42130050 41430111
40590304 41630334

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