Severe Storm Outlook Narrative (AC)
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000
ACUS11 KWNS 252026
SWOMCD
SPC MCD 252025
TNZ000-KYZ000-INZ000-ILZ000-MOZ000-252230-

MESOSCALE DISCUSSION 0458
NWS STORM PREDICTION CENTER NORMAN OK
0325 PM CDT SAT APR 25 2015

AREAS AFFECTED...ERN MO...SRN IL AND INDIANA...WRN KY

CONCERNING...TORNADO WATCH 112...

VALID 252025Z - 252230Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 112 CONTINUES.

SUMMARY...SEVERE WIND...HAIL...AND ISOLATED TORNADOES REMAIN
POSSIBLE ACROSS THE TORNADO WATCH AREA...ESPECIALLY NEAR AND JUST S
OF THE MAIN FRONT FROM SRN IN INTO IND AND NEAR THE OH RIVER.

DISCUSSION...A SMALL LINE OF STORMS HAS GRADUALLY FORMED OVER SRN
IL...WITH NRN EXTENT RIDING ALONG THE MAIN FRONT. IT APPEARS TO BE A
SUPERCELL WITH ADDITIONAL DEVELOPMENT ON THE SWRN FLANK AS RADAR
DOES SHOW A BROAD STORM-SCALE ROTATION RIDING ALONG THIS BOUNDARY.
EXPECT THIS STORM TO BECOME MORE SEVERE WITH TIME.

TO THE S...THE AIR MASS CONTINUES TO SLOWLY DESTABILIZE WITH
TEMPERATURES WELL INTO THE 70S AND DEWPOINTS NEAR 60F. WITH
TIME...OTHER CELLS MAY DEVELOP TO THE SW OF THE NRN CLUSTER.
OR...PERHAPS THE NRN CLUSTER WILL GROW-UPSCALE A BIT WITH ENHANCED
THREAT OF DAMAGING WINDS. A BRIEF TORNADO MAY STILL OCCUR WITH ANY
CELLS...AS WELL AS LARGE HAIL.

..JEWELL.. 04/25/2015

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LMK...OHX...IND...PAH...ILX...LSX...SGF...

LAT...LON   36418706 37369129 38849131 39028892 38598707 36418706




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