Sunday, January 15, 2017

No comments:
A calmer week ahead in the East.



Friday, January 13, 2017

4 comments:
Wintry Weekend Ahead
  • NWS FORECASTS AND COMPUTER MODELS INDICATE A PROLONGED PERIOD OF FROZEN PRECIPITATION IS EXPECTED FOR MUCH OF THE CENTRAL MID-ATLANTIC FROM EARLY SATURDAY INTO SUNDAY.
  • SIGNIFICANT TO MAJOR ICE STORM IS LIKELY ACROSS A LARGE PORTION OF THE CENTRAL AND SOUTHERN U.S. THROUGH SUNDAY.

Light freezing rain in the daybreak hours of Sunday, January 18, 2015 led to this 20-car pileup in New York City and hundreds of other precipitation-related accidents throughout the region. Image credit: New York Post.

Widespread ice storm expected from Midwest to southern Plains



Projected U.S. surface map for 7 AM EST Saturday by the NOAA Weather Prediction Center shows a large area of potential ice accretion is possible to likely from northern Texas through the southern Great Lakes states to the Mid-Atlantic. 


  • READERS MAY RECALL IN 2015, ON THE SUNDAY BEFORE MARTIN LUTHER KING DAY, A RELATIVELY MINOR GLAZING OF ICE (LESS THAN 0.01") CAUSED SIGNIFICANT TRAVEL IMPACTS ACROSS THE ENTIRE NORTHEAST CORRIDOR FROM WASHINGTON TO NEW YORK. (Example: 1/18/15 articles by WTOP and New York Post.)
  • HOURLY FORECAST CHART FOR BEL AIR, MD IS A REPRESENTATIVE LOCATION FOR PROJECTED PRECIPITATION HAZARDS EXPECTED THIS WEEKEND ACROSS THE REGION. PAST EVENT SHOW THAT EVEN LOW PRECIPITATION AMOUNTS IN SUBFREEZING TEMPERATURES MAY CREATE HAZARDOUS DRIVING CONDITIONS WHERE ROADS ARE UNTREATED. 



Projected surface map for 7 AM ET Saturday 1/14



Saturday, January 7, 2017

Southern Storms & Northern Air

6 comments:
Southern Storms & Northern Air
  • HEAVY SNOW FROM NORTH CAROLINA TO EASTERN VIRGINIA,  THE VA/MD EASTERN SHORE AND SOUTHERN MD WILL CONTINUE THROUGH TODAY, 6" OR MORE IN MANY AREAS SOUTH OF DOVER, DE TO ST. MARY'S MD TO RICHMOND AND NORFOLK. See Wakefield VA NWS 1/7 Snow Briefing
  • FROM DC METRO NORTH TO BALTIMORE AND PHILADELPHIA, DRY AIR ON A NORTH WIND HAS BEEN IMPEDING SATURATION OF AIR, DELAYING ONSET OF SNOW UNTIL MID-MORNING SATURDAY. 
  • AREAS WHERE SNOWFALL HAS BEEN DELAYED BY DRY AIR CAN EXPECT UP TO 1 INCH BEFORE SYSTEM BEGINS PULLING NORTHEAST THIS AFTERNOON.
  • ROGUE BANDS OF SNOW MOVING THROUGH SOUTHERN & EASTERN PA MAY PRODUCE AN UNEXPECTED 1 INCH OR MORE ON SATURDAY .




NWS WINTER WEATHER MAP SUITE
To locate these resources, click on your local NWS office site and scroll down to the icon titled "Winter Weather" that looks like this image.



CENTRAL & SOUTHERN PENNSYLVANIA

BALTIMORE-WASHINGTON REGION

SOUTHEAST PA & DELMARVA PENINSULA

EASTERN VIRGINIA TO NORTH CAROLINA