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Fabulous February Arctic Outbreak


DaculaWeather

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It is not uncommon for a low to track through the Valley and jump to the coast. I think the main energy goes south with a bit of energy coming up west and creating a warm nose. That low tracks over us...crazy stuff can happen though. I just don't think the story is written. The NAO is moving towards negative which signals a storm. So things are yet to unfold. The next three weeks should be fun.

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WPC this morn

 

 

...MID-LEVEL HEIGHT FALLS REACHING THE NORTHERN PLAINS BY
01/1200Z...
...SURFACE LOW CROSSING THE MID-ATLANTIC LATE IN THE PERIOD...

FINAL PREFERENCE: BLEND OF THE 00Z GFS/ECMWF
FORECAST CONFIDENCE: BELOW AVERAGE

A BAND OF HEIGHT FALLS DIPPING DOWN INTO THE NORTHERN/CENTRAL
PLAINS ON SUNDAY MORNING WILL PLAY A KEY ROLE IN THE FORECAST
GIVEN THE THREAT FOR WINTRY PRECIPITATION FROM THE CENTER OF THE
CONUS EASTWARD TO THE MID-ATLANTIC. AS WAS THE CASE
YESTERDAY...THE QUICKER AND MORE AMPLIFIED 00Z/12Z UKMET SUPPORT
SURFACE LOW DEVELOPMENT THAT IS MORE DEFINED AND NORTH OF THE
MODEL ENVELOPE. THIS RESULTS IN A NORTHWARD DISPLACED
PRECIPITATION AXIS ON DAY 2. AS TIME MOVES FORWARD...TIMING
DIFFERENCES PREVAIL WITH THE 00Z UKMET CONTINUING TO BE QUICKER
RESULTING IN THE SURFACE WAVE BEING OFFSHORE OF SOUTHERN NEW
ENGLAND BY 02/1200Z. MEANWHILE...THE 00Z NAM/CMC BEING SLOWER
RESULT IN TIMING ISSUES. THE MODELS DO CONTINUE TO WAFFLE AS
EVIDENT BY THE 00Z GFS WHICH SHIFTED ITS LOW TRACK BY A COUPLE
HUNDRED MILES ON MONDAY MORNING. HOWEVER...THE 00Z ECMWF DID
FOLLOW THIS MOVE NORTHWARD WHICH COULD BE THE LATEST TREND TO AT
LEAST CONSIDER. A SNEAKING SUSPICION SAYS THE 12Z GUIDANCE WILL
COME BACK SOUTH BUT FEEL THE FORECAST AT LEAST SHOULD CONSIDER
WHAT THE 00Z GFS/ECMWF DEPICT. WILL PRESENT A BLEND OF THE 00Z
GFS/ECMWF BUT MAINTAINING THE AFOREMENTIONED BELOW AVERAGE
CONFIDENCE.

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Jaxjagman, the pattern isn't setup for us this winter. Don't know what else to say. If we had a decent -ao or nao we would be in great shape. Its not there or very weakly negative. Perhaps march offers a ULL that sometimes happens.

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I'm not ready to write off February by any means.  It would be different if the models were half way decent in the long range and we had some semblance of confidence that the next 4 weeks will suck.  But we can barely get in the ball park with storms inside of 5 days with these things.  All options are on the table as far as I'm concerned with February.

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