National Weather Service Raw Text Product
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Displaying AFOS PIL: SWOMCD Product Timestamp: 2003-05-07 09:26 UTC
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798 ACUS11 KWNS 070927 SWOMCD SPC MCD 070926 WVZ000-KYZ000-VAZ000-TNZ000-NCZ000-GAZ000-ALZ000-071130- MESOSCALE DISCUSSION 0814 NWS STORM PREDICTION CENTER NORMAN OK 0426 AM CDT WED MAY 07 2003 AREAS AFFECTED...ERN TN...ERN KY...SWRN NC CONCERNING...SEVERE THUNDERSTORM WATCH 281... VALID 070926Z - 071130Z LINE OF STRONG-SEVERE TSTMS CONTINUES TO MOVE EWD 35-40 KT ACROSS ERN TN WITH POTENTIAL FOR DAMAGING WIND...PARTICULARLY IN HIGHER ELEVATIONS WHERE THERE IS LESS VERTICAL DISTANCE OF RELATIVELY STABLE BOUNDARY LAYER AIR THROUGH WHICH DOWNDRAFT MUST PENETRATE TO REACH GROUND. MODIFIED RAOBS AND RUC FORECAST SOUNDINGS SUGGEST ELEVATED MUCAPE AROUND 2000 J/KG FOR PARCEL LIFTED FROM APPROXIMATELY 4 KFT ABOVE SEA LEVEL...AND SR INFLOW 15-20 KT. MUCAPE DECREASES NWD INTO KY UNTIL VALUES LESS THAN 500 J/KG ARE ATTAINED INVOF KY/WV BORDER. PROMINENT WEAKENING TREND IS NOTED ON REFLECTIVITY ANIMATIONS FOR NRN PORTION OF MCS ACROSS THAT REGION...EXCEPT FOR A FEW CELLS. ACCORDINGLY...KY PORTION WW MAY BE DROPPED BEFORE SCHEDULED 13Z EXPIRATION. OVERALL...EXPECT ACTIVITY ACROSS ENTIRE WW AREA TO POSE PROGRESSIVELY LESS SEVERE THREAT WITH EWD EXTENT...WHERE AVAILABLE INSTABILITY WILL BE DECREASING. ADDITIONAL WW ISSUANCE NOT ANTICIPATED FARTHER E ATTM BUT WILL CONTINUE TO MONITOR. ..EDWARDS.. 05/07/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...RLX...GSP...MRX...JKL...FFC...LMK...OHX...HUN... 34978610 38148417 38118198 34978398
000 ACUS11 KWNS 070927 SWOMCD SPC MCD 070926 WVZ000-KYZ000-VAZ000-TNZ000-NCZ000-GAZ000-ALZ000-071130- MESOSCALE DISCUSSION 0814 NWS STORM PREDICTION CENTER NORMAN OK 0426 AM CDT WED MAY 07 2003 AREAS AFFECTED...ERN TN...ERN KY...SWRN NC CONCERNING...SEVERE THUNDERSTORM WATCH 281... VALID 070926Z - 071130Z LINE OF STRONG-SEVERE TSTMS CONTINUES TO MOVE EWD 35-40 KT ACROSS ERN TN WITH POTENTIAL FOR DAMAGING WIND...PARTICULARLY IN HIGHER ELEVATIONS WHERE THERE IS LESS VERTICAL DISTANCE OF RELATIVELY STABLE BOUNDARY LAYER AIR THROUGH WHICH DOWNDRAFT MUST PENETRATE TO REACH GROUND. MODIFIED RAOBS AND RUC FORECAST SOUNDINGS SUGGEST ELEVATED MUCAPE AROUND 2000 J/KG FOR PARCEL LIFTED FROM APPROXIMATELY 4 KFT ABOVE SEA LEVEL...AND SR INFLOW 15-20 KT. MUCAPE DECREASES NWD INTO KY UNTIL VALUES LESS THAN 500 J/KG ARE ATTAINED INVOF KY/WV BORDER. PROMINENT WEAKENING TREND IS NOTED ON REFLECTIVITY ANIMATIONS FOR NRN PORTION OF MCS ACROSS THAT REGION...EXCEPT FOR A FEW CELLS. ACCORDINGLY...KY PORTION WW MAY BE DROPPED BEFORE SCHEDULED 13Z EXPIRATION. OVERALL...EXPECT ACTIVITY ACROSS ENTIRE WW AREA TO POSE PROGRESSIVELY LESS SEVERE THREAT WITH EWD EXTENT...WHERE AVAILABLE INSTABILITY WILL BE DECREASING. ADDITIONAL WW ISSUANCE NOT ANTICIPATED FARTHER E ATTM BUT WILL CONTINUE TO MONITOR. ..EDWARDS.. 05/07/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...RLX...GSP...MRX...JKL...FFC...LMK...OHX...HUN... 34978610 38148417 38118198 34978398