Jul 26, 2005 0100 UTC Day 1 Convective Outlook Updated: Tue Jul 26 00:30:26 UTC 2005
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SPC AC 260026 DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0726 PM CDT MON JUL 25 2005 VALID 260100Z - 261200Z THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 55 ESE MTC 15 NE MFD 30 SW FDY 15 NE BMI 35 WNW UIN 10 SSE FLV 35 NE DDC 45 NW GCK 40 SSE LIC 25 WNW LIC 15 ESE FCL 40 ENE CYS 20 NNW LBF 25 ESE BBW OLU 50 NE MSP 45 SE ANJ. THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 25 SSW HTS 35 NNW SSU 20 S LBE 25 ESE AOO 15 W BWI 35 NNE RIC 40 S RIC 15 ESE DAN 45 WNW GSO 30 SE 5I3 25 NW 5I3 25 SSW HTS. GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 50 NW HVR 45 NW MLS 35 N DIK 40 E DVL 40 E TVF 45 WNW CMX 65 ENE CMX 15 SE ANJ ...CONT... 30 SSE LRD 25 SE CRP 45 NW BPT 10 NNW GGG 15 ENE PGO SGF 15 S CNU 10 WSW ICT 25 ESE GAG 40 ESE PVW 25 NNW MAF 90 SSW P07 ...CONT... 15 SW CZZ 35 WNW TRM 60 WSW DRA 60 N DRA 45 NNW P38 25 SSE DPG 50 NNE BPI 60 SW MQM 55 WNW 27U 65 ENE 63S. GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 15 WSW PIE 10 NE VRB ...CONT... 20 ESE ILM 45 NW FLO 25 NW CAE 25 ENE MCN 20 E ABY 30 ENE AQQ ...CONT... 65 N BUF 10 NNE BUF JHW 25 WSW BFD 15 NNW DUJ 10 NW AVP 20 NNW POU 30 NNE PBG. GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 30 NW JAN 30 W TCL 10 NW LOZ 35 N SDF 45 ENE MVN 25 ENE POF 20 ENE LIT 35 N MLU 30 NW JAN. ...THERE IS A SLGT RISK OF SVR TSTMS TONIGHT FROM PORTIONS OF THE CNTRL HIGH PLAINS NEWD INTO THE CNTRL GREAT LAKES... ...THERE IS A SLGT RISK OF SVR TSTMS CNTRL APPALACHIANS INTO THE DELMARVA... ...CNTRL HIGH PLAINS NEWD INTO THE CNTRL GREAT LAKES... LATEST MESOANALYSIS INDICATED SURFACE LOW SE OF RST WITH ATTENDANT WARM FRONT EXTENDING ESEWD ACROSS FAR SRN WI INTO SRN LOWER MI. MEANWHILE...TRAILING COLD FRONT EXTENDED SWWD THROUGH E-CNTRL NEB AND INTO E-CNTRL CO. ALOFT...EVENING WATER VAPOR IMAGERY AND PLAN VIEW VWP/PROFILER PLOT SHOWS LOW-AMPLITUDE SHORTWAVE TROUGH TRANSLATING ENEWD ACROSS ERN SD INTO SWRN MN...EMBEDDED WITHIN MODESTLY STRONG /I.E. 30-40 KTS/ WSWLY MID-LEVEL FLOW FROM ERN NEB/SERN SD INTO THE CNTRL GREAT LAKES. NUMEROUS TSTMS ARE IN PROGRESS THIS EVENING ALONG/N OF WARM FRONT OVER SERN MN INTO CNTRL/NRN MN...SOME OF WHICH HAVE EXHIBITED MID-LEVEL ROTATION OWING TO LOCALLY STRONGER LOW-LEVEL SHEAR N OF FRONTAL ZONE. POTENTIAL FOR ISOLATED TORNADOES WILL PERSIST OVERNIGHT WITH ANY STORMS THAT CAN REMAIN MORE DISCRETE WHILE RESIDING IN ZONE OF STRONGER SHEAR AHEAD OF RETREATING WARM FRONT AND MIGRATORY SURFACE LOW. HOWEVER...EVOLUTION OF MORE LEWP-TYPE STRUCTURE FROM E OF MSP SWD TO THE IA BORDER SUGGESTS THE POTENTIAL FOR THE EVOLUTION OF A BOW ECHO ON COOL SIDE OF WARM FRONT WHICH WOULD PROPAGATE EWD WITH A THREAT OF DAMAGING WINDS SHIFTING EWD INTO LOWER MI OVERNIGHT. FARTHER TO THE SW...SOLID CONVECTIVE LINE HAS FORMED ALONG TRAILING COLD FRONT FROM N-CNTRL IA INTO N-CNTRL KS. STEEP LOW/MID-LEVEL LAPSE RATES WITHIN IMMEDIATE INFLOW AIR MASS COUPLED WITH ORGANIZING/MERGING COLD POOLS SUGGEST THE THREAT FOR PRIMARILY DAMAGING WINDS SHIFTING EWD ACROSS IA AND NERN KS OVER THE NEXT SEVERAL HOURS. ISOLATED LARGE HAIL WILL ALSO BE POSSIBLE WITH MOST INTENSE STORMS. ...CNTRL APPALACHIANS INTO THE DELMARVA... LONG-LIVED MCS HAS WEAKENED CONSIDERABLY OVER THE PAST HOUR OR SO AS IT ENCOUNTERED HIGHER ELEVATION OF WV. MODERATE TO STRONGLY UNSTABLE AIR MASS IN PLACE ACROSS THE VA PIEDMONT EWD TO CHESAPEAKE BAY MAY SUPPORT STORM REDEVELOPMENT OR REINTENSIFICATION ALONG LEADING EDGE OF MCS GUST FRONT. POTENTIAL FOR DAMAGING WINDS WILL EXIST WITH STRONGEST STORMS IN ADDITION TO ISOLATED LARGE HAIL. ..MEAD.. 07/26/2005 ...NOTICE... THE STATION RELATIVE POINTS IN THIS PRODUCT ARE NOW AVAILABLE SEPARATELY UNDER THE WMO HEADINGS WUUS01 PTSDY1... WUUS02 PTSDY2...WUUS03 PTSDY3. THE INCLUSION OF POINTS IN THIS DISCUSSION WILL BE DISCONTINUED AFTER THE 2005 CONVECTIVE SEASON. A PUBLIC NOTIFICATION STATEMENT (PNS) WILL PROVIDE DETAILS ON THE TRANSITION. CLICK TO GET WUUS01 PTSDY1 PRODUCT NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z |