Weather Geek Alert
From NWS Albany. Let me translate....
Weather systems will come to a halt. Cut Off Low off the coast. Cut Off Low in the Plains. High pressure in the SouthEast. GRIDLOCK!! At the surface a High pressure over Hudson Bay will keep feeding northerly air into Northeast.
NATIONAL WEATHER SERVICE
ALBANY NY
634 AM EDT FRI APR 25 2014
OMEGA BLOCK SETS UP OVER EASTERN NORTH AMERICA WITH CUT OFFS
500 MILES E OF NEW ENGLAND...AND IN THE GRT PLAINS...W/RIDGING FM
500HPA HIGH SE TWRD FLORIDA.
MOVEMENT OF SYSTEMS GRINDS TO A HALT
INTO MON NIGHT.
AT THE SFC LARGE HIGH OVER HUDSON`S BAY RIDGES S INTO GREAT LAKES AND
SHIFTS SLOWLY EASTWARD.
RGN REMAINS IN COOL NORTHERLY FLOW.
.LONG TERM /TUESDAY THROUGH THURSDAY/...
THE MAJOR FEATURE IS THE
OMEGA BLOCK...ON ITS WEST A
MASSIVE 500HPA CUTOFF LOW. DURING THE EFP MOST OF THE GUID TAKES
IT FROM THE S GRT PLAINS TO THE UPR GRTLKS TUE AND WED...THU INTO
FRI IT STALLS OVER UPR W GRTLKS. FURTHER E AT 500HA CUT OFF
ANTICYCLONE OVER HUDSON BAY AND RIDGE ALONG THE APPALACHIANS
AT THE SFC THE LARGE LOW IS VERTICAL AND TRACKS W/500HPA CUTOFF.
ALONG THE EAST COAST
LARGE HI PRESSURE OVER HUDSON`S BAY CONTINUES
TO RIDGE DOWN THE E SEABOARD IN A
CLASSIC APPALACHIAN DAMMING
MODE KEEPING TMPS NR OR SLIGHTLY BLOW NORMAL.
WITH THE
UPPER FLOW PATTERN LARGELY GRIDLOCKED DURING THIS PERIOD
FCA IS AT THE TRANSITION BTWN THESE TWO POWERFUL SYSTEMS. THE GFS
HAS RIDGING DOMINATING INTO WED NT WITH MOSTLY FAIR AND
MODERATING CONDS TILL THEN. THE ECMWF HAS CLOUDS AND PCPN FM
SYSTEM MOVING INTO RGN TUE NT WITH FASTER BREAK DOWN OF RIDGING