[BNAWX] Severe Storm Outlook Narrative

EMWIN Server emwin at nashvilleweather.net
Wed Jun 2 12:57:04 CDT 2010


ACUS11 KWNS 021757
SWOMCD
SPC MCD 021756
TNZ000-KYZ000-ILZ000-MOZ000-ARZ000-021930-

MESOSCALE DISCUSSION 0772
NWS STORM PREDICTION CENTER NORMAN OK
1256 PM CDT WED JUN 02 2010

AREAS AFFECTED...SRN MO...NRN AR...WRN KY...SRN IL

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 021756Z - 021930Z

THE SEVERE THREAT SHOULD INCREASE ACROSS SRN MO...FAR NRN AR...WRN
KY AND FAR SRN IL OVER THE NEXT FEW HOURS. LARGE HAIL AND ISOLATED
WIND DAMAGE WILL BE POSSIBLE WITH THE MORE INTENSE STORMS. A WW MAY
BECOME NECESSARY ACROSS THE REGION THIS AFTERNOON.

AN ISOLATED STRONG THUNDERSTORM IS ONGOING IN SRN MO ALONG AN EAST
TO WEST GRADIENT OF STRONG INSTABILITY WHERE OBJECTIVE ANALYSIS
SHOWS MLCAPE VALUES IN THE 2500 TO 3500 J/KG RANGE. THE STORM IS
LOCATED ALONG AN OUTFLOW BOUNDARY AND OTHER STORMS SHOULD INITIATE
WSWWD AND ENEWD ALONG THE BOUNDARY AS SFC TEMPS WARM FURTHER THIS
AFTERNOON. LOW-LEVEL LAPSE RATES HAVE BECOME VERY STEEP ACROSS SRN
MO AND THE SPRINGFIELD WSR-88D VWP SHOWS ABOUT 30 KT AT 1 TO 2 KM
AGL WHICH SHOULD SUPPORT AN ISOLATED WIND DAMAGE THREAT. ALTHOUGH
DEEP LAYER SHEAR IS ONLY ABOUT 30 KT...THIS MAY BE ENOUGH COUPLED
WITH THE STRONG INSTABILITY FOR ISOLATED ROTATING STRUCTURES CAPABLE
OF PRODUCING LARGE HAIL.

..BROYLES.. 06/02/2010

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

ATTN...WFO...OHX...PAH...MEG...LSX...LZK...SGF...TSA...

LAT...LON   36528708 36218968 36059205 36259405 36629443 37169444
            37469427 37599355 37479183 37649037 37718766 36528708


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