[spotters-illianaskywarn] Fwd: NOAA's National Weather Service SPC Mesoscale Discussion Update

  • From: Keith Reedy <keithreedy@xxxxxxxxxxxx>
  • To: "spotters-illianaskywarn@xxxxxxxxxxxxx" <spotters-illianaskywarn@xxxxxxxxxxxxx>
  • Date: Tue, 5 Mar 2013 15:27:33 -0500

Keith Reedy
keithreedy@xxxxxxxxxxxx



Begin forwarded message:

> From: "GovDelivery Weather Updates" <weatherupdates@xxxxxxxxxxxxxxxxxxxxxx>
> Subject: NOAA's National Weather Service SPC Mesoscale Discussion Update
> Date: March 5, 2013 2:51:33 PM EST
> To: keithreedy@xxxxxxxxxxxx
> Reply-To: weatherupdates@xxxxxxxxxxxxxxxxxxxxxx
> 
> 
> 
> You are subscribed to SPC Mesoscale Discussion for NOAA's National Weather 
> Service.
> GovDelivery provides this service using unaltered NOAA/NWS products.
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> 
> SPC MD 244
> 03/05/2013 02:37 PM EST
> 
> MD 0244 CONCERNING HEAVY SNOW FOR NERN IL THROUGH NRN IND 
> 
> 
> MESOSCALE DISCUSSION 0244
> NWS STORM PREDICTION CENTER NORMAN OK
> 0136 PM CST TUE MAR 05 2013
> 
> AREAS AFFECTED...NERN IL THROUGH NRN IND
> 
> CONCERNING...HEAVY SNOW 
> 
> VALID 051936Z - 052330Z
> 
> SUMMARY...AREAS OF MODERATE TO LOCALLY HEAVY SNOW WILL PERSIST
> ACROSS NERN IL THE REMAINDER OF THE AFTERNOON...WITH HEAVIER SNOWS
> GRADUALLY DEVELOPING EWD THROUGH NCTNRL AND NRN IND LATER THIS
> AFTERNOON INTO THE EVENING. SNOWFALL RATES COULD LOCALLY EXCEED 1
> INCH PER HOUR AT TIMES.
> 
> DISCUSSION...INVERTED SFC TROUGH AXIS PERSISTS FROM NRN IL SEWD
> THROUGH CNTRL IND. SFC LOW OVER KY SHOULD DEEPEN AS IT MOVES NEWD
> THROUGH THE OH VALLEY WITHIN ZONE OF UPPER DIVERGENCE ASSOCIATED
> WITH EJECTING NEGATIVE TILT SHORTWAVE TROUGH. AS SFC LOW DEVELOPS
> EWD...AXIS OF DEFORMATION WILL SLOWLY PIVOT COUNTERCLOCKWISE AND
> BECOME MORE E-W ORIENTED ACROSS NRN PORTIONS OF THE OH VALLEY. THE
> CORRIDOR OF DIVERGENCE ALOFT WILL CONTINUE TO INTERACT WITH
> DEFORMATION AXIS RESULTING IN EWD EXPANSION OF ZONE OF FRONTOGENETIC
> FORCING AND DEEPER ASCENT THROUGH CNTRL AND NRN IND THIS AFTERNOON
> INTO THE EARLY EVENING. THIS PROCESS WILL LIKELY RESULT IN
> OCCASIONAL HEAVY SNOWFALL RATES PERSISTING FROM NERN IL THIS
> AFTERNOON...EXPANDING THROUGH NCNTRL AND NRN IND THIS AFTERNOON INTO
> THE EARLY EVENING.
> 
> ..DIAL.. 03/05/2013
> 
> ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
> 
> ATTN...WFO...IWX...IND...LOT...
> 
> LAT...LON   42368795 41628736 41878571 41228484 40178497 39648617
>             40988799 42298864 42368795 
> 
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