[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 090110
SWOMCD
SPC MCD 090109 
MEZ000-MAZ000-NHZ000-RIZ000-090515-

MESOSCALE DISCUSSION 0280
NWS STORM PREDICTION CENTER NORMAN OK
0709 PM CST TUE MAR 08 2005

AREAS AFFECTED...ERN MA/NH/MAINE

CONCERNING...HEAVY SNOW AND NEAR BLIZZARD CONDITIONS 

VALID 090109Z - 090515Z

MDT/HEAVY SNOW TO CONTINUE THROUGH 03Z-06Z TIMEFRAME ACROSS ERN
MA/ERN NH...AND INTO THE OVERNIGHT ACROSS INTERIOR/CNTRL MAINE.
RATES OF 1-2 IN/HR WILL BE POSSIBLE. IN ADDITION...INCREASING NWLY
WINDS WILL CREATE NEAR BLIZZARD CONDITIONS INTO THE OVERNIGHT.

AT 01Z...969 MB SFC LOW /REF BUOY 44008/ CONTINUES TO DEEPEN JUST
OFF NANTUCKET...WITH DOWNSTREAM PRESSURE FALLS OF 3-5 MB/2-HR
MAXIMIZED OFF COASTAL MAINE. ON NW PERIPHERY OF CYCLONE...MOSAIC
RADAR REFLECTIVITY TRENDS OVER THE PAST TWO HOURS PORTRAY
SOUTH-NORTH ORIENTED BAND OF SNOW ORGANIZING/CONTRACTING FROM ERN CT
AND CNTRL/ERN MA INTO NH AND SRN MAINE. 21Z RUC/18Z NAM GUIDANCE
SUGGESTS A CONTINUATION OF THIS TREND...WITH HEAVIEST SNOW EXPECTED
THROUGH LATE EVENING FROM ERN MA INTO INTERIOR MAINE AMIDST
DEFORMATION BAND/ERN PERIPHERY OF MID LEVEL FRONTOGENETICAL /600-850
MB/ FORCING.

AS ALREADY SAMPLED IN DOWNSTREAM ENX/OKX VADS AND 00Z OKX RAOB...21Z
RUC SUGGESTS NEWD TRANSITION OF 50+ KT 850 MB CORE FROM SRN NEW
ENGLAND INTO INTERIOR MAINE THIS EVENING. SFC WINDS EXPECTED TO
INCREASE ACCORDINGLY INTO THE OVERNIGHT...WITH NEAR BLIZZARD
CONDITIONS AND CONSIDERABLE BLOWING/DRIFTING SNOW.

ACROSS ERN MAINE...21Z RUC FCST SOUNDINGS SUGGESTS A NARROW CORRIDOR
OF SLEET/FZRA MAY PERSIST THROUGH APPROX 04Z-06Z INVOF A BHB /BAR
HARBOR/ TO HUL /HOULTON/ AXIS OWING TO EXISTENCE OF 800 MB WARM NOSE
ABOVE SHALLOW SUB-FREEZING BOUNDARY LAYER.

..GUYER.. 03/09/2005

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

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

43087185 45137100 47306955 47386844 47096773 46466780
45386796 44346848 43657001 42827064 41797057 42087194 

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