Nov 6, 2005 0100 UTC Day 1 Convective Outlook Updated: Sun Nov 6 01:02:16 UTC 2005 Probabilistic to Categorical Outlook Conversion Table in HTML, or PDF formats.
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SPC AC 060059 DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0659 PM CST SAT NOV 05 2005 VALID 060100Z - 061200Z THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 40 NW CLE 10 NW CMH 25 NNW LEX 20 WSW BWG MKL 45 ENE LIT 10 W RKR 35 ENE MKO 45 N COU 20 W MLI 25 W MKG 45 E BAX. GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 35 W BUF 15 S BFD 30 E MGW 20 SE HTS 15 NW TYS 20 SSW HSV 30 SW GWO 35 NNW TYR 10 E GYI 25 ENE TUL 15 WSW STJ 15 NW ALO 20 S LSE 45 NW TVC 50 ENE APN. ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS THE OZARKS/MID MS AND LOWER OH VALLEYS/SRN UPPER GREAT LAKES... ...MID MS/LOWER OH VALLEYS INTO THE GREAT LAKES... BROKEN LINE OF STRONG TO SEVERE/SUPERCELL STORMS CONTINUES TO RAPIDLY DEVELOP ACROSS MO/THE OZARKS REGION ALONG COLD FRONT/JUST AHEAD OF UPPER VORT MAX MOVING ACROSS THE CENTRAL PLAINS. WARM SECTOR DEWPOINTS GENERALLY IN THE UPPER 50S AND SEASONABLY-WARM TEMPERATURES ARE SUPPORTING MEAN-LAYER CAPE AROUND 1000 J/KG...THOUGH BOUNDARY LAYER AWAY FROM FRONTAL ZONE REMAINS CAPPED PER EVENING LZK /LITTLE ROCK AR/ AND ILX /CENTRAL ILLINOIS/ RAOBS. EXPECT BROKEN LINE OF STORMS TO BECOME MORE SOLIDLY LINEAR WITH TIME...WHILE REMAINING CONFINED TO THE IMMEDIATE FRONTAL ZONE WHERE FRONTAL FORCING/UVV WILL BE REQUIRED TO WEAKEN CAP. ELSEWHERE...INCREASING LOW-LEVEL JET ACROSS THE LOWER OH VALLEY AND INTO THE UPPER GREAT LAKES WILL CONTINUE TO SUPPORT WIDESPREAD CONVECTION N OF WARM FRONT--NOW INDICATED OVER NRN IL/NRN INDIANA. THOUGH MARGINAL HAIL WILL REMAIN POSSIBLE WITHIN STRONGER/ELEVATED STORMS ACROSS THE UPPER GREAT LAKES REGION...GREATEST SEVERE THREAT CONTINUES ACROSS MO/NRN AR...AND WILL SPREAD EWD WITH TIME ACROSS IL/IN AND PERHAPS ADJACENT PORTIONS OF WRN TN/WRN KY. BOUNDARY-LAYER FLOW REMAINS SLY/SSELY ACROSS THE WARM SECTOR BENEATH 50 TO 70 KT SWLY MID-LEVEL FLOW...YIELDING SHEAR PROFILES VERY FAVORABLE FOR STORM ROTATION. THOUGH STORMS SHOULD -- AS MENTIONED ABOVE -- BECOME MORE SOLIDLY LINEAR WITH TIME...EXPECT EMBEDDED ROTATION WITHIN CONVECTIVE LINE -- ALONG WITH BOWS/LEWP-TYPE STRUCTURES WHICH SHOULD EVOLVE WITH TIME. ALONG WITH THE POTENTIAL FOR A TORNADO OR TWO WITH THESE ROTATING FEATURES...EXPECT DAMAGING WINDS AND HAIL TO ACCOMPANY THE CONVECTIVE LINE. THOUGH DAMAGING WIND THREAT MAY SLOWLY BEGIN TO DECREASE LATER TONIGHT AS SOME BOUNDARY-LAYER COOLING/STABILIZATION SHOULD OCCUR...THREAT SHOULD PERSIST AT LEAST THROUGH THE EVENING GIVEN STRONG DYNAMIC COMPONENT WITH THIS EVENT AND INTENSITY OF ACCOMPANYING WIND FIELD. ..GOSS.. 11/06/2005 ...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 |