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January 27-28 Clipper


wisconsinwx

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Just by looking at the radar it looks like the best snow accumulations will shoot from northeast Missouri through central Illinois, and over towards LAF. The image of the HRRR posted above points that out pretty nicely. Could be a respectable snow in that corridor. Not really expecting too much here now. May pick up some light snow when that band out near Cedar Rapids moves through later.

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And it's lightly snowing here. Temps still a bit warm though...sitting at 36 on my thermometer.

EDIT: LAF reporting light rain. And the highest temp in the state at 9PM. Strangest looking white rain ever.

EDIT EDIT: LAF now reporting -SN 16 minutes later. Exactly.

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Evening update from IWX. The part mentioning the southwest parts of their CWA is good stuff for LAF.

Light snow and temp down to 35, and dropping, here currently.

.UPDATE...

CURRENT OBSERVATIONAL TRENDS SEEM TO BE SUPPORTING PREVIOUS

FORECAST TO THIS POINT. INCREASE IN RADAR RETURNS NOTED THE PAST

FEW HOURS ACROSS CENTRAL ILLINOIS DOWNSTREAM OF THE STRONGER UPPER

LEVEL FORCING JUST NOW EXITING THE CENTRAL PLAINS. A WEAKLY

FRONTOGENETIC FLOW APPEARS TO BE SETTING UP AND ENHANCING A FAIRLY

STRONG LOW LEVEL THERMAL RIBBON (-5 DEG CELSIUS PER 00Z KDVN RAOB

AND +1 DEG CELSIUS PER 00Z KILN RAOB). HIGHER RESOLUTION MODEL

OUTPUT AND EVEN NAM40 APPEAR TO HAVE SOME INDICATION OF THIS WEST

TO EAST EXPANSION OVER THE NEXT SEVERAL HOURS ACROSS WEST CENTRAL

AND SOUTHWEST PORTIONS OF THE AREA INITIALLY. ISENTROPIC PROGS OF

285K SFC ALSO SUGGEST SOME INCREASING ISENTROPIC ASCENT LATER THIS

EVENING ACROSS NORTHWEST PORTIONS OF THE AREA EVENTUALLY ALLOWING

SNOW TO OVERSPREAD NWRN HALF OF THE AREA TOWARD 06Z. EVEN SOME

REPORTS OF SOME -RA WITH BOUNDARY LAYER TEMPS IN THE LOWER TO MID

30S ACROSS EAST CENTRAL ILLINOIS. DID ADD A CHANCE RAIN/SNOW

MENTION ACROSS THE SOUTHWEST FOR A FEW HOURS THIS EVENING BUT WILL

STAY WITH PREDOMINATELY SNOW FOR THE OVERNIGHT.

PREVIOUS FCSTED SNOW AMOUNTS STILL APPEAR REASONABLE WITH A

POSSIBILITY OF TWO AREAS OF SLIGHTLY ENHANCED MAXIMUM

SNOWFALL...ONE ACROSS FAR NWRN IND/SWRN LWR MICHIGAN WITH SOME

WEAK LAKE ENHANCEMENT...AND ANOTHER POSSIBLE ACROSS SOUTHWEST

PORTIONS OF THE AREA WHERE A PERIOD OF SOME BETTER WEST TO EAST

BANDING IS POSSIBLE DURING EARLIER STAGES OF THE OVERNIGHT. SOME

OF THE INITIAL LIFT LATER THIS EVENING HOWEVER WILL BE SPENT TOWARD

ERODING A FAIRLY PRONOUNCED DRY LAYER EVIDENT IN THE 900 TO 750

HPA LAYER ON THIS EVENINGS REGIONAL AMDAR SOUNDINGS. ALL IN

ALL...1 TO 2 INCH SNOW AMOUNTS APPEAR TO BE INLINE AS UPPER

FORCING INCREASES WITH BETTER DEEPER SATURATION OVERNIGHT.

SLIGHTLY LESSER AMOUNTS EXPECTED ACROSS FAR EAST/SOUTHEAST WHERE

ISENTROPIC/FRONTOGENESIS PROGS ARE NOT EXPECTED TO BE QUITE AS

IMPRESSIVE.

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Mod snow at Bloomington. Looking at ILX's radar, nice band very near them right now. Probably gonna be whiff north for here though.

Temp on the way back up here (36) after the snow stopped. Probably going to lose some accumulation (melting) with temps not wanting to really respond here...when the snow returns.

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