MESOSCALE DISCUSSION 0035
   NWS STORM PREDICTION CENTER NORMAN OK
   1107 AM CST SUN JAN 25 2004
   
   AREAS AFFECTED...SRN/CENTRAL OH...WV...VA...AND N-CENTRAL/ERN NC
   
   CONCERNING...PRECIPITATION TRENDS...WINTER PRECIPITATION 
   
   VALID 251707Z - 252130Z
   
   SIGNIFICANT WINTER STORM SPREADING NEWD ACROSS OHIO VALLEY AND
   MID-ATLANTIC REGION THIS AFTERNOON. HEAVY MIXED PRECIPITATION
   LIKELY. 
   
   STRONG 500MB VORT NEAR MID MS RIVER VALLEY AT 1630Z WILL CONTINUE
   NEWD INTO OH RIVER VALLEY THROUGH 26/00Z. LEADING EDGE OF STRONG
   700MB WARM ADVECTION WILL LIFT NEWD SPREADING SIGNIFICANT SNOW AND
   THEN MIXED PRECIP THROUGH THIS AFTERNOON ACROSS SRN OH/WV. EAST OF
   APPALACHIAN CHAIN...DAMMING WITH SRN EXTENT OF ARCTIC AIR MASS WILL
   MAINTAIN SUB-FREEZING SURFACE LAYER ACROSS MOST ALL OF INTERIOR
   NC/VA THROUGH 26/00Z.
   
   SNOW WILL DEVELOP INTO SRN OH MUCH OF WV THROUGH 20Z...WITH A CHANGE
   TO SLEET/FREEZING RAIN LIKELY WITH DEVELOPING WARM LAYER
   ALOFT...REACHING ILN-CRW LINE AROUND 21Z. PRONOUNCED DRY SLOT MOVING
   NEWD ON MOSAIC RADAR IMAGERY ACROSS WRN/CENTRAL KY WILL LIKELY
   LESSEN PRECIPITATION RATES BY MID-LATE AFTERNOON ACROSS REGION
   FOLLOWING INITIAL BURST OF HEAVY PRECIPITATION. EAST OF APPALACHIAN
   CHAIN...ALL SNOW IS LIKELY FROM CHO NORTH AND EAST AS PRECIP
   DEVELOPS THROUGH 00Z BASED ON ETA MODEL SOUNDINGS FROM 12Z RUN. SNOW
   TO SLEET APPEARS LIKELY IN ROA/LYH REGION BETWEEN 21-00Z. 
   
   IN N-CENTRAL AND ERN NC...SURFACE DEWPOINT DEPRESSIONS ARE CURRENTLY
   LARGE IN ASSOCIATION WITH PREVAILING ARCTIC AIR. A PERIOD OF
   SLEET/FREEZING RAIN IS LIKELY TO THE NC COAST GIVEN STRONG DIABATIC
   COOLING AS PRECIP STARTS. MORE SIGNIFICANT SLEET OR ICE
   ACCUMULATIONS APPEAR LIKELY ACROSS THE INTERIOR COASTAL PLAIN INTO
   N-CENTRAL NC WHERE MODEL SOUNDINGS CONTINUE TO SUPPORT FREEZING RAIN
   THROUGH 00Z IN FAY/RDU/RWI REGION. FREEZING RAIN RATES MAY REACH
   0.1-0.2"/HR ACROSS THIS AREA BETWEEN 20-00Z IF ENOUGH WARMING CAN
   OCCUR ALOFT TO CHANGE PRECIP FROM SLEET TO FREEZING RAIN DURING THAT
   TIME.
   
   ..BANACOS.. 01/25/2004
   
   
   ATTN...WFO...AKQ...MHX...LWX...RAH...ILM...RNK...PBZ...RLX...ILN...
   
   35937572 35437576 34487772 35257892 36397991 37398073
   38318176 38798368 39188469 39978395 39628091 38347733