[spotters-illianaskywarn] Fwd: Mesoscale Discussion

  • From: Keith Reedy <reedyk@xxxxxx>
  • To: spotters-illianaskywarn@xxxxxxxxxxxxx
  • Date: Sat, 05 Jun 2010 20:05:32 -0400


Begin forwarded message:

> From: interwarn@xxxxxxxx
> Date: June 5, 2010 7:31:32 PM EDT
> To: reedyk@xxxxxx
> Subject: Mesoscale Discussion
> 
> 
> ACUS11 KWNS 052329
> SWOMCD
> SPC MCD 052329 
> INZ000-ILZ000-060030-
> 
> MESOSCALE DISCUSSION 0819
> NWS STORM PREDICTION CENTER NORMAN OK
> 0629 PM CDT SAT JUN 05 2010
> 
> AREAS AFFECTED...NRN/CNTRL IL AND NW/WCNTRL IND
> 
> CONCERNING...SEVERE POTENTIAL...WATCH LIKELY 
> 
> VALID 052329Z - 060030Z
> 
> AIR MASS HAS RECOVERED IN WAKE OF EARLY DAY STORMS ACROSS CNTRL/NRN
> IL AND INTO PARTS OF IND.  TEMPERATURES HAVE WARMED BACK INTO THE
> 80S WITH DEW POINTS IN THE LOWER 70S RESULTING IN AN E-W ORIENTED
> INSTABILITY CORRIDOR WITH MLCAPES 1500-2000 J/KG.
> 
> THUNDERSTORMS HAVE BEEN INCREASING ALONG THE MS RVR IN ERN IA/NW IL
> DOWNSTREAM OF AN AMPLIFYING MID-LEVEL WAVE.  THIS ACTIVITY IS VERY
> LIKELY TO BECOME SEVERE GIVEN MAGNITUDE OF INSTABILITY AND
> APPROACHING ASCENT.  ROUGHLY 50-55 KTS OF 0-6KM SHEAR WILL FAVOR
> SUPERCELLS.  0-1KM SHEAR IS ACTUALLY COMPARATIVELY STRONGER THAN
> FARTHER W...AND A FEW TORNADOES WILL BE POSSIBLE ALONG WITH DAMAGING
> WIND GUSTS AND HAIL.
> 
> ACTIVITY WILL PROBABLY EXTEND/DEVELOP DOWNSTREAM INTO PARTS OF IND
> BY LATE EVENING.
> 
> .RACY.. 06/05/2010
> 
> ..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
> 
> ATTN...WFO...IWX...IND...LOT...ILX...DVN...
> 
> LAT...LON   41798955 41458670 40438609 39798670 39668771 39708956
>            41798955 
> 
> $$
> 
> 
> This weather bulletin was brought to you by InterWARN at www.interwarn.com

Illiana Skywarn - Serving the Wabash Valley since 1974

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