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Feb. 8-12 Model Discussion Part IV


DaculaWeather

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East AL still seems to be having boundary issues and the band isn't as intense as it will be once it situates itself over West GA and the Atlanta area.

I saw that there is a small bit of warmer air at the border right off the surface but it looked minuscule..plus they have very low wetbulb zero heights too per the models so either the models are missing something there or those reports are screwing up the radar depictions.

42.3 degrees and snowing here. I wonder how it can be snowing at such a warm temp ? It didnt even start as rain here.

Very dry air at the surface and right off the surface.

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Guys the observations really have their own thread, and they're really watering down this thread for model and forecast discussion.

I guess it's too complicated for some to understand.

Last time folks, observations go into the thread at the top of the forum. Anymore in this thread will be deleted.

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This is interesting from FFC. Cedartown to Atlanta to Athens line ? Never heard of that.

EXPECTED SNOW EVENT APPEARS TO BE ON TRACK AS ADVERTISED. SNOW

AMOUNTS OF GENERALLY 1.0 TO 1.5 INCH NORTH OF

CEDARTOWN-ATLANTA-GAINESVILLE LINE

Me either and I love how they just ignore the eastern portions of the state even though by all indications whatever happens there is going to happen here. Typical ffc bullsh*t.

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Wow, give it to Ken Cook he is honking the horn for ATL! :thumbsup:

He admitted that the moisture on the radar was missing from the models and he thinks it could be more than first thought.

Ken Cook saying 1-2 inches maybe more, Glenn BUrns saying MAYBE up to 1 inch. Isnt Cook usually the conservative one ?

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Meanwhile from the good folks at gsp. God I wish I was one county over so I could be in their cwa instead of having to get frustrated with ffc.

AREA FORECAST DISCUSSION

NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC

1003 PM EST WED FEB 9 2011

.SYNOPSIS...

A LOW PRESSURE SYSTEM WILL DEVELOP OVER THE GULF OF MEXICO AND MOVE

JUST SOUTH OF THE AREA TONIGHT THROUGH EARLY TOMORROW. HIGH PRESSURE

WILL THEN BUILD BACK OVER THE REGION LATE THURSDAY AND PERSIST INTO

THE MIDDLE OF NEXT WEEK.

&&

.NEAR TERM /THROUGH THURSDAY/...

RADAR SHOWS SNOW RAPIDLY INCREASING ACROSS THE WRN CWFA AS

BAROCLINIC LEAF MOVES IN. THIS IS DRIVEN BY A SHORT WAVE AND UPPER

JET THAT ARE MOVING IN AS WELL. EXPECT SNOW COVERAGE TO INCREASE

FROM WEST TO EAST OVERNIGHT...POSSIBLY MIXING WITH SOME SLEET AS THE

AIR COLUMN COOLS. GUIDANCE SHOWS QG FORCING TO REACH ITS MAX OVER

THE AREA BETWEEN 06Z AND 09Z. THERE IS NO REAL ISENTROPIC LIFT

OVERNIGHT. BEST H FRONTOGENESIS MOVES TO OUR SOUTH...BUT THERE IS

QUITE A BIT OF H85 TO H5 LAYER FRONTOGENESIS. THE 18Z GUIDANCE HAD

SHIFTED BEST PRECIP CHANCES TO OUR SOUTH AND EAST. HOWEVER...THE 21Z

SREF HAS RETURNED TO SHOWING MEAN SNOW AMOUNTS AROUND AN INCH OVER

THE AREA. GIVEN ALL THIS...STILL EXPECT 1 TO 3 INCHES OF SNOW OVER

THE MTNS WITH 0.5 TO 2 INCHES ELSEWHERE. EXPECT THE LOWEST AMOUNTS

OVER THE I-40 CORRIDOR WHERE QPF WILL BE LEAST AND THE MOST OVER THE

SRN CWFA BORDER WHERE THE BETTER QPF AND LOW LEVEL FORCING EXISTS.

HAVE INCREASED POP ACROSS THE BOARD EARLY ON GIVEN THE CURRENT

CONDITIONS. TEMPS SHOULD STILL BE WELL BELOW NORMAL.

PCPN WILL END QUICKLY ON THURSDAY MORNING. HIGHS WILL BE WELL ABOVE

NORMAL AS A COLDER AIRMASS ENTERS THE REGION AND AS THE SHALLOW SNOW

COVER SHOULD HOLD DOWN MAXES A FEW DEGREES.

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