Monday, December 5, 2011

Rain Totals and Snow Watch Update

As of 5:00 am est...

Louisville 1.08"
Evansville 2.40"
Paducah 3.66"

Louisville, your rain is about to become steadier and heavier during rush hour; therefore, take it slow.

Snow Watch continues...

The most recent run of the 06zNAM still shows a decent accumulation of snow for parts of Kentucky. However, the overall focus appears to be centered across east Kentucky, east of I-75. The NAM shifts east a little bit during this run. Let's keep an eye on the trend. Amounts of 2-4" possible, with locally higher amounts by Thr/Fri time frame. Perhaps lt snow/flurries across central Kentucky, up to an inch in places.

GFS trying to compromise, adjusts for possible snow amounts for east Kentucky.
Awaiting the 12zGEM model run early afternoon.

NWS office in Louisville, in its early morning AFD, downplaying snow system, saying SE parts of its county warning area could be clipped...

"The Euro and GFS scoot the upper trough
eastward too quickly, barely clipping our southeast CWA with light
rain Wednesday afternoon/light snow Wednesday night. This latter
solution is the favored result, and really think that most
precipitation will remain southeast of our
CWA given the fast
movement of the upper-level
shortwave. "

Also, NWS office in Jackson, in its most recent AFD, discusses the possibility of accumulating snow this week...

"ABOUT HALF
OF THE 00Z
GFS ENSEMBLE MEMBERS SHOW PRECIP OVER THE FORECAST AREA.
WILL INCLUDE PEAK
POPS IN THE CHANCE CATEGORY FOR ALL BUT THE FAR NW
PART OF THE FORECAST AREA WHERE
SLIGHT CHANCE WILL BE USED...AND
WILL NEED TO WAIT FOR MORE CONSISTENCY IN THE MODELS TO EITHER RAISE
OR LOWER THE
POPS. SHOULD THINGS COME TOGETHER JUST RIGHT...THERE IS
SOME POTENTIAL FOR ACCUMULATING SNOW
."

MS

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