SWOMCD
SPC MCD 020541
MEZ000-MAZ000-NHZ000-RIZ000-CTZ000-NYZ000-NJZ000-020945-
MESOSCALE DISCUSSION 0189
NWS STORM PREDICTION CENTER NORMAN OK
1141 PM CST SUN MAR 01 2009
AREAS AFFECTED...SRN NEW ENGLAND
CONCERNING...HEAVY SNOW
VALID 020541Z - 020945Z
HEAVY SNOW WILL DEVELOP ACROSS MUCH OF SRN NEW ENGLAND OVER THE NEXT
FEW HOURS WITH SNOW RATES EXCEEDING ONE INCH PER HOUR...ESPECIALLY
ACROSS NRN NJ/LONG ISLAND INTO MA.
SFC LOW IS SHIFTING OFF THE MIDDLE ATLANTIC COAST AS UPPER LOW IS
BEGINNING TO OPEN UP AS IT EJECTS NNEWD ACROSS THE CAROLINAS INTO
VA. WELL PRONOUNCED WARM CONVEYOR WITH HEAVY SNOW IS SPREADING NWD
ACROSS THE MIDDLE ATLANTIC WITH LEADING EDGE OF HEAVIEST
PRECIPITATION NOW SPREADING ACROSS NRN NJ/LONG ISLAND INTO CT/RI.
AS LOW LEVEL WARM ADVECTION INCREASES IT APPEARS SNOW MAY CHANGE TO
RAIN NEAR THE CAPE...HOWEVER HEAVY SNOW WILL SPREAD NWD ACROSS
INTERIOR MA INTO EXTREME SRN ME BY 09Z. BACK EDGE OF WARM CONVEYOR
CONTINUES TO LIFT NEWD AT ROUGHLY 25KT AND DRY SLOT MAY TEMPORARILY
REDUCE SNOW RATES ACROSS SRN/ERN NJ BETWEEN 07-12Z...POSSIBLY
SURGING INTO LONG ISLAND BY 12Z BEFORE UPSTREAM ASCENT ENHANCES
SECONDARY BOUT OF HEAVY SNOW SHORTLY AFTER SUNRISE.
..DARROW.. 03/02/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GYX...BOX...OKX...ALY...PHI...
LAT...LON 41007486 43637076 43176971 40737198 39957435 41007486
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