Quote:
Originally Posted by nei
I'm guessing this is related to the clipper that was forecast to pass by today and could have been a big snowstorm?
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Yup. Just a front instead with weak precip.
Wow Taunton... Nice discussion.. Ahhh, the subtle hints at long range cold and a snowstorm from NWS. LOL (Last Paragraph)
Text Data
NATIONAL WEATHER SERVICE TAUNTON MA
111 PM EST FRI JAN 29 2016
*/ OVERVIEW ...
DISCUSSED YESTERDAY...JUXTAPOSITION OF TWO COMPETING SIGNALS...THE
EL NINO SOUTHERN OSCILLATION /ENSO/ VERSUS THE ARCTIC OSCILLATION
/AO/ IN AN OTHERWISE PROGRESSIVE FLOW ENVIRONMENT THROUGH WHICH AN
ACTIVE WEATHER PATTERN IS FORECAST.
PRESENTLY ENSO IS IN CONTROL WITHIN A POSITIVE NAO/AO/PNA REGIME
WITH ARCTIC AIR LOCKED UP AROUND THE N POLE AS THE STRATOSPHERIC
POLAR VORTEX REMAINS RELATIVELY STRONG. WESTERLIES SWEEPING NE OUT
OF THE EQUATORIAL PACIFIC CONTRIBUTING TO STORM DEVELOPMENT ACROSS
THE SW CONUS ARE ALSO AIDING IN A PREFERRED S FLOW OF WARM-MOIST AIR
ACROSS THE NE CONUS. SUBSEQUENT POSITIVE HEIGHT ANOMALIES...BOTH THE
STORM TRACK AND MORE FAVORABLE ZONE OF BAROCLINICITY IS SHIFTED N/W.
A WARMER WETTER SIGNAL SOMEWHAT REMINISCENT OF NOVEMBER / DECEMBER
WITH TEMPERATURES REMAINING ABOVE-AVERAGE.
BUT WILL HAVE TO MONITOR TRENDS TOWARDS MID-FEBRUARY. ENSEMBLE MEAN
INDICATIONS OF A SHIFT BACK TO A -NAO/AO STATE WITH A +PNA AS THE
STRATOSPHERIC POLAR VORTEX WEAKENS ALLOWING ARCTIC AIR TO SEEP SOUTH.
WOULD EXPECT A SHIFT IN THE SW-NE BAROCLINIC ZONE / STORM TRACK AS
ENSO REMAINS STRONG. COULD SEE WITH THE RE-INTRODUCTION OF ARCTIC
AIR SOUTH BY THE END OF NEXT WEEK AN INCREASING CHANCE FOR SNOW.