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Displaying AFOS PIL: SWOMCD Product Timestamp: 2003-05-09 10:04 UTC
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842 ACUS11 KWNS 091004 SWOMCD SPC MCD 091004 OHZ000-INZ000-091130- MESOSCALE DISCUSSION 0874 NWS STORM PREDICTION CENTER NORMAN OK 0504 AM CDT FRI MAY 09 2003 AREAS AFFECTED...ERN IND/WRN OH CONCERNING...SEVERE THUNDERSTORM WATCH 316... VALID 091004Z - 091130Z THE THREAT OF ISOLATED LARGE HAIL/DAMAGING WINDS CONTINUES ACROSS WW0315. REGIONAL RADAR DATA INDICATE A LARGE AREA OF ELEVATED CONVECTION OCCURRING ACROSS WW0315 TO THE N OF SURFACE WARM FRONT THAT EXTENDED FROM BMI EWD TO AROUND MIE AND THEN SEWD TO HTS. 3-4MB/2HR PRESSURE FALLS OBSERVED IN LATEST MESOANALYSIS OVER E-CNTRL IND INTO W-CNTRL OH IS LIKELY INDICATIVE OF STRONG WAA/ISENTROPIC ASCENT OCCURRING OVER SURFACE FRONTAL ZONE ALONG 60-65KT SWLY LLJ /EVIDENT ON PLAN VIEW PROFILER/VWP NETWORK/. RUC FORECAST SOUNDINGS IN THIS AIRMASS SUGGEST THAT ONLY A SHALLOW BOUNDARY-LAYER INVERSION EXISTS N OF THE WARM FRONT WHICH IS LIKELY ALLOWING THE STRONGEST DOWNDRAFTS TO REACH THE GROUND AS EVIDENCED BY THE ISOLATED WIND DAMAGE REPORTS OVER IND. ALTHOUGH THE AIRMASS ABOVE THIS SHALLOW INVERSION REMAINS ONLY SLIGHTLY UNSTABLE WITH MUCAPES OF 500-1000 J/KG...STRONG DYNAMIC FORCING ASSOCIATED WITH THE LLJ WILL CONTINUE TO SUPPORT THE THREAT STRONG TO SEVERE TSTMS PRIMARILY OVER OH FOR THE NEXT COUPLE OF HOURS WITH THE POTENTIAL FOR ISOLATED LARGE HAIL AND DAMAGING WINDS. ..MEAD.. 05/09/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...RLX...CLE...ILN...IWX...IND... 39868693 40328692 40938690 41238691 41418691 41438685 41238549 41128421 41018316 40938259 40938244 40918238 40588239 39868240 39398241 39168240 39078239 39048245 39168347 39368485 39478595 39578673 39598694 39668694