700mb Low Phasing - Stationary Heavy Snow
Posted by JAC on 2/6/2010, 8:55 am
A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 10 PM TONIGHT FOR THE
DISTRICT OF COLUMBIA...ANNE ARUNDEL...BALTIMORE...HARFORD...
CALVERT...CHARLES...PRINCE GEORGES AND ST. MARYS COUNTIES. PLEASE
REFER TO THE LATEST WINTER WEATHER MESSAGE /WSWLWX/ FOR FURTHER
DETAILS.








MESOSCALE DISCUSSION 0108
  NWS STORM PREDICTION CENTER NORMAN OK
  0553 AM CST SAT FEB 06 2010
 
  AREAS AFFECTED...NRN VA/DC/MD/DE/SRN NJ
 
  CONCERNING...HEAVY SNOW
 
  VALID 061153Z - 061600Z
 
  VERY HEAVY SNOW WILL PERSIST ALONG AN AXIS FROM NRN VA...EWD ACROSS
  DC/CNTRL MD AND DE/SRN NJ FOR THE NEXT SEVERAL HOURS.  SNOWFALL
  RATES ARE EXPECTED TO RANGE FROM 1-3"/HR.
 
  LATEST SATELLITE AND RADAR IMAGERY STRONGLY SUGGEST MID LEVEL
  CIRCULATION IS REDEVELOPING OVER SRN MD INVOF WORCESTER COUNTY WHICH
  IS FORCING ATTENDANT SFC LOW TO DEEPEN OFF THE VA/NC COAST.  A NEAR
  STATIONARY BAND OF VERY HEAVY SNOW...WITH RATES OF
  2-3"/HR...CONTINUES FROM JUST NW OF DC...ENEWD TO JUST SOUTH OF BAL
  INTO CNTRL DE.  LATEST MODEL GUIDANCE SUGGESTS LIGHTNING MAY BE
  NOTED AT TIMES AS WEAK UPRIGHT INSTABILITY IS FORECAST FOR PARCELS
  LIFTED NEAR 700MB.  THIS BAND WILL GRADUALLY SAG SWD OVER THE NEXT
  FEW HOURS AS LOW PRESSURE SYSTEM DEEPENS OFFSHORE AND INLAND LOW
  WEAKENS AND SHEARS EAST ACROSS VA.  SURROUNDING THIS VERY HEAVY BAND
  OF SNOW IS A RATHER BROAD REGION OF HEAVY SNOW WITH RATES LIKELY
  EXCEEDING 1"/HR IN PLACES FROM WV...NEWD ACROSS SRN PA INTO NJ.
 
  ..DARROW.. 02/06/2010
 





45
In this thread:
Major Winter Event: Mid Atlantic & Ohio Valley. Blizzard Warnings Up DE & NJ Coast - JAC, 2/4/2010, 2:29 pm
< Return to the front page of the: message board | monthly archive this page is in
Post A Reply
This thread has been archived and can no longer receive replies.