[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: Wed, 5 Sep 2012 11:36:29 -0400

Keith Reedy
keithreedy@xxxxxxxxxxxx



Begin forwarded message:

> From: National Weather Service <nws.noaa@xxxxxxxxxxxxxxxxxxxxxxx>
> Subject: NOAA's National Weather Service SPC Mesoscale Discussion Update
> Date: September 5, 2012 10:12:07 AM EDT
> To: keithreedy@xxxxxxxxxxxx
> Reply-To: National Weather Service <nws.noaa@xxxxxxxxxxxxxxxxxxxxxxx>
> 
> You are subscribed to SPC Mesoscale Discussion for NOAA's National Weather 
> Service.
> 
> 
> SPC MD 1889
> 09/05/2012 10:05 AM EDT
> 
> MD 1889 CONCERNING SEVERE POTENTIAL...WATCH LIKELY FOR SRN IL AND IND...WRN 
> KY...SERN MO 
> 
> 
> MESOSCALE DISCUSSION 1889
> NWS STORM PREDICTION CENTER NORMAN OK
> 0904 AM CDT WED SEP 05 2012
> 
> AREAS AFFECTED...SRN IL AND IND...WRN KY...SERN MO
> 
> CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 
> 
> VALID 051404Z - 051530Z
> 
> PROBABILITY OF WATCH ISSUANCE...80 PERCENT
> 
> SUMMARY...STORMS MAY INCREASE OVER THE NEXT SEVERAL HOURS WITH
> DAMAGING WINDS POSSIBLE FROM SRN IL/IND SWD INTO WRN KY AND TN.
> 
> DISCUSSION...A LINE OF STORMS ASSOCIATED WITH A MESO-HIGH FROM AN
> EARLIER MCS IS EXPECTED TO PERSIST WITH DAMAGING WIND POTENTIAL
> SPREADING SEWD INTO THE OH VALLEY.
> 
> SURFACE ANALYSIS SHOWS SUBSTANTIAL PRESSURE RISES BEHIND THIS
> LINE...AND AREA OF HEATING WILL OCCUR AHEAD OF IT...STEEPENING LAPSE
> RATES AND DESTABILIZING THE AIR MASS. ALSO...AS THIS SYSTEM
> PROGRESSES SEWD...MEAN WINDS VEER AND BECOME LESS PARALLEL TO THE
> LINE...WHICH MAY HELP TO ENHANCE FORWARD PROPAGATION.
> 
> ..JEWELL/CORFIDI.. 09/05/2012
> 
> ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
> 
> ATTN...WFO...LMK...OHX...IND...PAH...ILX...LSX...
> 
> LAT...LON   39668766 39378670 38358607 37428608 36858671 36638793
>             36608939 37058981 37699004 38269018 38689013 39198889
>             39668766 
> 
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