[spotters-illianaskywarn] Fwd: NOAA's National Weather Service SPC Mesoscale Discussion Update
- From: Keith Reedy <keithreedy@xxxxxxxxxxxx>
- To: spotters-illianaskywarn@xxxxxxxxxxxxx
- Date: Tue, 1 May 2012 15:21:31 -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: May 1, 2012 2:51:29 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 645
> 05/01/2012 02:45 PM EDT
>
> MD 0645 CONCERNING SEVERE POTENTIAL...WATCH NEEDED SOON FOR SOUTHERN
> INDIANA/OH
>
>
> MESOSCALE DISCUSSION 0645
> NWS STORM PREDICTION CENTER NORMAN OK
> 0144 PM CDT TUE MAY 01 2012
>
> AREAS AFFECTED...SOUTHERN INDIANA/OH
>
> CONCERNING...SEVERE POTENTIAL...WATCH NEEDED SOON
>
> VALID 011844Z - 011945Z
>
> PROBABILITY OF WATCH ISSUANCE...95 PERCENT
>
> SUMMARY...SEVERE POTENTIAL IS EXPECTED TO INCREASE ACROSS
> CENTRAL/SOUTHERN PORTIONS OF INDIANA INTO OH THIS AFTERNOON. A
> TORNADO WATCH WILL LIKELY BE ISSUED SOON.
>
> DISCUSSION...TSTMS HAVE SHOWN A RECENT INCREASE IN COVERAGE/VIGOR
> EITHER SIDE OF A WARM FRONT ACROSS SOUTH-CENTRAL INDIANA. AS CLOUD
> BREAKS ALLOW FOR FURTHER HEATING ALONG/SOUTH OF THE WARM
> FRONT...THIS SAME UPWARD COVERAGE/INTENSITY TREND SHOULD CONTINUE
> THROUGH MID-AFTERNOON AHEAD OF AN EASTWARD-MOVING MCV ACROSS
> NORTHERN/CENTRAL IL. REGIONAL PROFILERS/WSR-88D DERIVED WINDS ARE
> INDICATIVE OF ENHANCED LOW-MID TROPOSPHERIC FLOW ON THE E/SE
> PERIPHERY OF THE MCV...WITH LOW LEVEL SRH ESPECIALLY ENHANCED
> ALONG/NORTH OF THE WARM FRONT WHERE NEAR-SURFACE WINDS ARE BACKED TO
> EAST-SOUTHEASTERLY. RECENT WSR-88D VWP DATA FROM INDIANAPOLIS
> REFLECTS 0-1 KM SRH OF 300+ M2/S2. AS SUCH...A TORNADO THREAT MAY
> INCREASE ACROSS THE REGION ASIDE FROM SEVERE HAIL/WIND.
>
> ..GUYER/MEAD.. 05/01/2012
>
> ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
>
> ATTN...WFO...ILN...LMK...IWX...IND...
>
> LAT...LON 39148761 40358612 40328376 39118383 38628699 39148761
>
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