[spotters-illianaskywarn] Fwd: NOAA's National Weather Service SPC Mesoscale Discussion Update
- From: Keith Reedy <keithreedy@xxxxxxxxxxxx>
- To: spotters-illianaskywarn@xxxxxxxxxxxxx
- Date: Mon, 30 Apr 2012 14:08:13 -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: April 30, 2012 1:37:53 PM 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 630
> 04/30/2012 01:04 PM EDT
>
> MD 0630 CONCERNING SEVERE POTENTIAL...WATCH POSSIBLE FOR FAR SOUTHEAST MO AND
> WESTERN/NORTHERN KY TO SOUTHERN PORTIONS OF IL/INDIANA
>
>
> MESOSCALE DISCUSSION 0630
> NWS STORM PREDICTION CENTER NORMAN OK
> 1203 PM CDT MON APR 30 2012
>
> AREAS AFFECTED...FAR SOUTHEAST MO AND WESTERN/NORTHERN KY TO
> SOUTHERN PORTIONS OF IL/INDIANA
>
> CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE
>
> VALID 301703Z - 301900Z
>
> SEVERE TSTM POTENTIAL SHOULD GRADUALLY INCREASE/DEVELOP
> EAST-NORTHEASTWARD ACROSS THE REGION THROUGH EARLY/MID
> AFTERNOON...WITH DAMAGING WINDS/SEVERE HAIL THE PRIMARY HAZARDS. A
> WATCH MAY BE NEEDED THIS AFTERNOON.
>
> EARLY THIS AFTERNOON...A COLD FRONT EXTENDS FROM A WEAK SURFACE LOW
> NEAR THE CHICAGO AREA SOUTHWESTWARD ACROSS IL INTO NORTH-CENTRAL MO.
> HOWEVER...A MORE READILY APPARENT FOCUS FOR DEEP CONVECTIVE
> DEVELOPMENT WILL BE ALONG AN EASTWARD PROPAGATING OUTFLOW
> BOUNDARY...WHERE AN INCIPIENT UPSWING IN TSTM DEVELOPMENT HAS
> RECENTLY OCCURRED ACROSS SOUTHEAST MO BETWEEN POPLAR
> BLUFF/FARMINGTON AS OF 17Z. AHEAD OF THIS OUTFLOW...THE BOUNDARY
> LAYER HAS ALREADY BECOME WEAKLY INHIBITED AS FAR NORTH AS THE
> CONFLUENCE OF THE MS/OH RIVERS AS TEMPERATURES HAVE WARMED TO NEAR
> 80F...AND THIS SAME TREND SHOULD CONTINUE NORTHEASTWARD THIS
> AFTERNOON ACROSS MUCH OF KY AND DOWNSTATE PORTIONS OF INDIANA/IL ON
> THE SOUTHERN FRINGE OF THICKER CLOUD COVER. GIVEN THE LIKELIHOOD OF
> MODERATE DESTABILIZATION THIS AFTERNOON AMID LOWER 60S F SURFACE
> DEWPOINTS...ORGANIZED STORM MODES INCLUDING BOWS/SOME SUPERCELLS
> WILL BE POSSIBLE GIVEN THAT REGION IS UNDER THE INFLUENCE OF A BELT
> OF MODERATELY STRONG/LARGELY UNIDIRECTIONAL SOUTHWESTERLY DEEP
> TROPOSPHERIC FLOW. DAMAGING WINDS/SEVERE HAIL WILL BE POSSIBLE WITH
> THE STRONGEST TSTMS.
>
> ..GUYER.. 04/30/2012
>
> ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
>
> ATTN...WFO...ILN...LMK...IND...PAH...ILX...LSX...
>
> LAT...LON 36799041 39698803 40158562 38178504 36738821 36799041
>
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