[spotters-illianaskywarn] Fwd: Mesoscale Discussion

  • From: Keith Reedy <wa9dro@xxxxxxxxx>
  • To: spotters-illianaskywarn@xxxxxxxxxxxxx
  • Date: Sun, 18 Jul 2010 07:40:53 -0400


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Begin forwarded message:

> From: <interwarn@xxxxxxxx>
> Date: July 18, 2010 6:59:33 AM EDT
> To: <keithreedy@xxxxxxxxxxxx>
> Subject: Mesoscale Discussion
> 
> 
> ACUS11 KWNS 181058
> SWOMCD
> SPC MCD 181058 
> ILZ000-MOZ000-IAZ000-181130-
> 
> MESOSCALE DISCUSSION 1347
> NWS STORM PREDICTION CENTER NORMAN OK
> 0558 AM CDT SUN JUL 18 2010
> 
> AREAS AFFECTED...SERN IA...NERN/EAST CENTRAL MO AND CENTRAL IL
> 
> CONCERNING...SEVERE THUNDERSTORM WATCH 487...488...
> 
> VALID 181058Z - 181130Z
> 
> THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH
> 487...488...CONTINUES.
> 
> NEW SEVERE TSTM WATCH WILL BE NEEDED ACROSS EAST CENTRAL MO INTO
> CENTRAL IL.
> 
> REGIONAL RADAR IMAGERY SHOWED A WELL DEVELOPED MCV LOCATED OVER
> MONROE COUNTY IA...WITH THE ATTENDANT SQUALL LINE/QLCS MOVING ESE AT
> 40 KT.  AT 1045Z...THE LEADING LINE OF STORMS EXTENDED FROM KEOKUK
> COUNTY IA TO CHARITON COUNTY MO.  10Z SURFACE ANALYSIS SHOWED A
> STRONG MESO HIGH /1015 MB/ CENTERED AT DSM...WHILE RECENT RAINFALL
> RATES WITHIN THE COLD POOL WERE RANGING FROM 1-2.5 IN/HR.  SURFACE
> ANALYSIS ALSO INDICATED A WARM FRONT EXTENDING EWD FROM SERN IA INTO
> CENTRAL IL AND THEN SEWD INTO SWRN IND.  GIVEN THE ORIENTATION OF
> THIS FRONT AND STRONG INSTABILITY GRADIENT EXTENDING INTO ERN MO AND
> CENTRAL IL...WELL DEFINED FORWARD PROPAGATING MCS IS EXPECTED TO BE
> MAINTAINED AND PROGRESS ESEWD AFFECTING SERN IA AND NERN MO THROUGH
> 12Z...AND ACROSS EAST CENTRAL MO TO CENTRAL IL THROUGH 15Z.
> 
> .PETERS.. 07/18/2010
> 
> ..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
> 
> ATTN...WFO...PAH...LOT...ILX...LSX...DVN...DMX...EAX...
> 
> LAT...LON   39249319 39989269 40799243 41279244 40928879 39418837
>            38468871 37988982 38709208 39249319 
> 
> $$
> 
> 
> This weather bulletin was brought to you by InterWARN at www.interwarn.com

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