000
ACUS11 KWNS 182055
SWOMCD
SPC MCD 182054
MEZ000-NHZ000-190100-

MESOSCALE DISCUSSION 0035
NWS STORM PREDICTION CENTER NORMAN OK
0254 PM CST SUN JAN 18 2015

AREAS AFFECTED...WRN ME....ERN NEW HAMPSHIRE

CONCERNING...FREEZING RAIN

VALID 182054Z - 190100Z

SUMMARY...FREEZING RAIN WITH HOURLY RATES UP TO 0.05" SHOULD PERSIST
THIS AFTERNOON FROM ERN NH INTO WRN ME.

DISCUSSION...AN EXTENSIVE SW-NE ORIENTED AREA OF PRECIPITATION
CONTINUES TO EXPAND NEWD ACROSS NEW ENGLAND AND NOW INTO WRN ME
MAINLY IN ASSOCIATION WITH WARM ADVECTION JUST OFF THE SURFACE.
SURFACE ANALYSIS INDICATES SUB-FREEZING TEMPERATURES HOLDING OVER
THE REGION ONCE YOU GET FAR ENOUGH N AWAY FROM THE COAST WHERE THE
TIGHT TEMPERATURE GRADIENT EXISTS.

FORECAST RAP MODEL SOUNDINGS APPEAR TO BE IN GOOD AGREEMENT WITH
THIS SCENARIO AND INDICATE TEMPERATURES RISING ABOVE FREEZING NEAR
00Z. WITH UPSTREAM OBS INDICATING HRLY RATES OF 0.06-0.08"...TOTAL
ICE ACCUMULATIONS UP TO A QUARTER INCH APPEAR POSSIBLE BEFORE
PRECIPITATION RAPIDLY ENDS FROM THE S.

..JEWELL.. 01/18/2015

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

ATTN...WFO...CAR...GYX...

LAT...LON   44107006 43557066 43427100 43407124 43527145 43607155
            44047159 44537147 44827121 45027082 45207037 45266991
            45176933 45016918 44536971 44107006