Nov 24, 2005 1100 UTC Day 3 Severe Thunderstorm Outlook Updated: Thu Nov 24 07:13:39 UTC 2005 Probabilistic to Categorical Outlook Conversion Table in HTML, or PDF formats.
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SPC AC 240713 DAY 3 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0113 AM CST THU NOV 24 2005 VALID 261200Z - 271200Z ...NO SVR TSTM AREAS FORECAST... ...SYNOPSIS... GFS AND NAM ARE SIMILAR IN DEPICTING COMPACT SHORT WAVE TROUGH EJECTING NEWD ACROSS THE NWRN GULF COAST FROM TX TO LA ON SATURDAY. THIS LEAD IMPULSE ACCELERATES AND DEAMPLIFIES AHEAD OF A LARGER AND MORE VIGOROUS TROUGH THAT STARTS ON THE WEST COAST EARLY IN THE PERIOD AND DIGS ESEWD ACROSS THE FOUR CORNERS AREA THROUGH SUNDAY MORNING. THE WRN TROUGH WILL INDUCE LEE-SIDE CYCLOGENESIS OVER ERN CO BY SATURDAY EVENING WHILE THE LEAD IMPULSE ENHANCES ISENTROPIC ASCENT OVER AN EXPANDING AREA FROM THE GULF COAST TO THE MIDWEST. ...TX/LA GULF COAST... STRONG ASCENT WILL BE FOCUSED ALONG AND NORTH OF RETREATING WARM FRONT OVER THE NWRN GULF COAST AS DEAMPLIFYING UPPER WAVE MOVES ACROSS THE REGION. AS IS OFTEN THE CASE...THERE IS CONSIDERABLE UNCERTAINTY REGARDING BOTH THE QUALITY OF RETURN MOISTURE AND EXTENT OF INLAND WARM SECTOR PENETRATION. GIVEN POTENTIAL FOR INCREASING PRECIPITATION INTO COOL/STABLE LOW LEVEL AIR MASS AHEAD OF THE UPPER WAVE AND NORTH OF THE FRONT...INLAND SURFACE-BASED DESTABILIZATION MAY BE DIFFICULT TO ACHIEVE. NONETHELESS...POTENTIALLY STRONG DYNAMICS WITH THIS SYSTEM MAY OVERCOME AIR MASS LIMITATIONS TO SUPPORT A COUPLE OF STRONG TO SEVERE STORMS IN EITHER LINE SEGMENTS OR EMBEDDED SUPERCELLS. IF WARM SECTOR CAN DEVELOP INLAND WITH STRONGER INSTABILITY...THE CHANCE FOR ORGANIZED/ROTATING CELLS TRACKING EAST ALONG THE FRONT WILL INCREASE AND HIGHER SEVERE PROBABILITIES WOULD NEED TO BE INCLUDED IN LATER OUTLOOKS. ..CARBIN.. 11/24/2005 ...NOTICE... THE STATION RELATIVE POINTS IN THIS PRODUCT WILL BE DISCONTINUED ON 14 FEBRUARY 2006 BUT WILL REMAIN AVAILABLE IN THE FOLLOWING PRODUCTS: WMO HEADER: AWIPS ID: WUUS01 PTSDY1 WUUS02 PTSDY2 WUUS03 PTSDY3 A SERVICE CHANGE NOTICE ...SCN05-39... PROVIDES DETAILS ON THE TRANSITION. FOR ADDITIONAL DETAILS SEE THE FOLLOWING WEB ADDRESS USING LOWER CASE LETTERS: WWW.NWS.NOAA.GOV/OM/NOTIF.HTM CLICK TO GET WUUS03 PTSDY3 PRODUCT NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 1100Z |