More granular timing & amounts

Timing (NYC):
Moderate snow starts: today (Sunday) noon-2pm
Heaviest snow: 4pm-11pm
Moderate snow overnight tapering to lighter snow/flurries: 2-5am
Flurries, snow showers and blowing snow on monday


National Weather Services issued a Blizzard Warning last night. Here is the latest update:

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW YORK NY
501 AM EST SUN DEC 26 2010

...DANGEROUS STORM APPROACHING...

CTZ007>012-NJZ002-004-006-103>108-NYZ071>075-078>081-176>179-
261815-
/O.CON.KOKX.BZ.W.0002.101226T1100Z-101227T2300Z/
NORTHERN MIDDLESEX-NORTHERN NEW LONDON-SOUTHERN FAIRFIELD-
SOUTHERN NEW HAVEN-SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-
WESTERN PASSAIC-EASTERN PASSAIC-HUDSON-WESTERN BERGEN-
EASTERN BERGEN-WESTERN ESSEX-EASTERN ESSEX-WESTERN UNION-
EASTERN UNION-SOUTHERN WESTCHESTER-NEW YORK (MANHATTAN)-BRONX-
RICHMOND (STATEN ISLAND)-KINGS (BROOKLYN)-NORTHWESTERN SUFFOLK-
NORTHEASTERN SUFFOLK-SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-
NORTHERN QUEENS-NORTHERN NASSAU-SOUTHERN QUEENS-SOUTHERN NASSAU-
501 AM EST SUN DEC 26 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM EST MONDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM EST MONDAY.

* HAZARDS...HEAVY SNOW AND STRONG WINDS...WITH CONSIDERABLE
  BLOWING AND DRIFTING OF SNOW WITH NEAR ZERO VISIBILITY AT
  TIMES.

* ACCUMULATIONS...11 TO 16 INCHES...WITH LOCALLY HIGHER AMOUNTS.
  SNOW MAY MIX WITH OR CHANGE TO RAIN AND SLEET AT THE HEIGHT OF
  THE STORM TONIGHT ACROSS EASTERN LONG ISLAND AND COASTAL
  SOUTHEAST CONNECTICUT. THIS WOULD HOLD DOWN AMOUNTS THERE...BUT
  ONLY AFTER SIGNIFICANT ACCUMULATIONS HAVE ALREADY TAKEN PLACE.

* IMPACTS...EXTREMELY DANGEROUS TRAVEL CONDITIONS DEVELOPING THIS
  AFTERNOON INTO THE EVENING DUE TO SIGNIFICANT SNOW
  ACCUMULATIONS...AND STRONG WINDS CAUSING CONSIDERABLE BLOWING
  AND DRIFTING OF SNOW. VISIBILITIES WILL BE NEAR ZERO AT TIMES...
  WITH WHITEOUT CONDITIONS EXPECTED. STRONG WINDS MAY ALSO DOWN
  SOME POWER LINES...TREE LIMBS...AND CHRISTMAS DECORATIONS.

* TIMING...LIGHT SNOW WILL BEGIN BY LATE MORNING...THEN BECOME
  HEAVY AT TIMES THIS AFTERNOON INTO MUCH OF TONIGHT. THE SNOW
  WILL TAPER OFF FROM WEST TO EAST MONDAY MORNING...BUT STRONG
  NORTHWEST WINDS WILL PERSIST THROUGH THE AFTERNOON.

* WINDS....DURING THE HEIGHT OF THE STORM TONIGHT...NORTH WINDS
  WILL INCREASE TO 25 TO 35 MPH WITH GUSTS OF 40 TO 60 MPH.
  ISOLATED HIGHER GUSTS ARE POSSIBLE ACROSS LONG ISLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.