National Weather Service Raw Text Product
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Displaying AFOS PIL: SWOMCD Product Timestamp: 2002-11-10 19:55 UTC
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000 ACUS11 KWNS 101955 SWOMCD SPC MCD 101955 MOZ000-ARZ000-KYZ000-TNZ000-102200- MESOSCALE DISCUSSION 2170 NWS STORM PREDICTION CENTER NORMAN OK 0155 PM CST SUN NOV 10 2002 AREAS AFFECTED...SE MO...NE AR...WRN KY AND WRN TN CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 101955Z - 102200Z NEW WW MAY BE NEEDED SOUTH OF WW 743 WITHIN THE NEXT COUPLE OF HOURS. PRE-FRONTAL WIND SHIFT/WEAK DRY LINE HAS PROGRESSED ACROSS PARTS OF WESTERN KENTUCKY/WESTERN TENNESSEE AND NORTHWEST MISSISSIPPI. WHILE SURFACE DEW POINTS HAVE FALLEN A FEW DEGREES IN THE WAKE OF THIS BOUNDARY...ENVIRONMENT ALONG/JUST AHEAD OF FRONT REMAINS UNSTABLE...AND SUPPORTIVE OF CONVECTIVE DEVELOPMENT AS LARGE-SCALE FORCING FOR UPWARD VERTICAL MOTION INCREASES LATE THIS AFTERNOON. THIS IS FORECAST TO OCCUR IN RESPONSE TO UPSTREAM SHORT WAVE TROUGH...WHICH CONTINUES TO GRADUALLY AMPLIFY AS IT SHIFTS INTO THE SOUTHERN PLAINS RED RIVER VALLEY. CONVECTIVE LINE HAS BEEN SLOWLY INCREASING PAST FEW HOURS ALONG COLD FRONT ACROSS SOUTHEAST MISSOURI...AND FURTHER DEVELOPMENT SOUTHWARD INTO EASTERN ARKANSAS NEAR THE MISSISSIPPI RIVER APPEARS LIKELY LATE THIS AFTERNOON. VERTICAL SHEAR PROFILES ARE STRONG...AND SUFFICIENT FOR ISOLATED SUPERCELLS IN ADDITION TO SEVERE SQUALL LINE. GIVEN VEERED BOUNDARY LAYER FLOW IN WAKE OF SURFACE WIND SHIFT...DAMAGING WIND GUSTS AND LARGE HAIL SHOULD BE PRIMARY SEVERE THREATS. ..KERR.. 11/10/2002 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... 36339082 36819023 37118978 37238878 36238873 34848995 34379078 34269136 34609163 35329149
928 ACUS11 KWNS 101955 SWOMCD SPC MCD 101955 MOZ000-ARZ000-KYZ000-TNZ000-102200- MESOSCALE DISCUSSION 2170 NWS STORM PREDICTION CENTER NORMAN OK 0155 PM CST SUN NOV 10 2002 AREAS AFFECTED...SE MO...NE AR...WRN KY AND WRN TN CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 101955Z - 102200Z NEW WW MAY BE NEEDED SOUTH OF WW 743 WITHIN THE NEXT COUPLE OF HOURS. PRE-FRONTAL WIND SHIFT/WEAK DRY LINE HAS PROGRESSED ACROSS PARTS OF WESTERN KENTUCKY/WESTERN TENNESSEE AND NORTHWEST MISSISSIPPI. WHILE SURFACE DEW POINTS HAVE FALLEN A FEW DEGREES IN THE WAKE OF THIS BOUNDARY...ENVIRONMENT ALONG/JUST AHEAD OF FRONT REMAINS UNSTABLE...AND SUPPORTIVE OF CONVECTIVE DEVELOPMENT AS LARGE-SCALE FORCING FOR UPWARD VERTICAL MOTION INCREASES LATE THIS AFTERNOON. THIS IS FORECAST TO OCCUR IN RESPONSE TO UPSTREAM SHORT WAVE TROUGH...WHICH CONTINUES TO GRADUALLY AMPLIFY AS IT SHIFTS INTO THE SOUTHERN PLAINS RED RIVER VALLEY. CONVECTIVE LINE HAS BEEN SLOWLY INCREASING PAST FEW HOURS ALONG COLD FRONT ACROSS SOUTHEAST MISSOURI...AND FURTHER DEVELOPMENT SOUTHWARD INTO EASTERN ARKANSAS NEAR THE MISSISSIPPI RIVER APPEARS LIKELY LATE THIS AFTERNOON. VERTICAL SHEAR PROFILES ARE STRONG...AND SUFFICIENT FOR ISOLATED SUPERCELLS IN ADDITION TO SEVERE SQUALL LINE. GIVEN VEERED BOUNDARY LAYER FLOW IN WAKE OF SURFACE WIND SHIFT...DAMAGING WIND GUSTS AND LARGE HAIL SHOULD BE PRIMARY SEVERE THREATS. ..KERR.. 11/10/2002 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... 36339082 36819023 37118978 37238878 36238873 34848995 34379078 34269136 34609163 35329149