National Weather Service Text Product
AFOS product SFDSTL
Dates interpreted at 00:00 UTC Found 2 products at the given pil and timestamp. Scroll down to see them all.
Displaying AFOS PIL: SFDSTL
Product Timestamp: 1999-03-02 21:20 UTC
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999 FXUS73 KLSX 022135 SFDSTL MISSOURI STATE FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 320 PM CST TUE MAR 2 1999 SFC ANLYS FM 21Z PLACED CDFNT FM SRN LK MICH THRU XTRM SE MO INTO CNTRL AR. APPROX 60-80 MILE WIDE FRONTOGENETICALLY FRCD POST- FRONTAL PCPN BAND NOW CNTRD ALG A STL-UNO LN. THIS PCPN MOVG QUICKLY EWD IN RSPNS TO STG DIGG UPSTRM ULJ AND ASSOCD SHRTWV TROF NOW OVR CNTRL KS. MID-LOW LVL FRONTOGENETIC FRCG/MSTR AND ASSOCD PCPN BAND SHUD CONT TO SWEEP QUICKLY TO THE EAST THIS EVNG AS UPSTRM SHRTWV DIGS SEWD INTO NRN AR. CURRENT RADAR TRENDS SUPPORTING THIS SCENARIO AND APPEARS WL ONLY NEED TO MENTION PCPN FOR ERLY THIS EVNG OVR FAR E/SE ZNS...DEPENDING ON STATUS AT ZN RELEASE TIME. IF THERE IS ANY ADDTL PCPN THREAT WITH THE VORT MAX...CURRENT INDCTNS ARE THAT IT SHUD BE OF THE NON-MEASURABLE VARIETY DUE TO LACK OF ANY STRUCTURED LOW/MID LVL CIRCLNS AND ASSOCD AVCTNS. STILL A FAIR AMT OF UPSTRM LOW CLDS ATTM BUT CURRENT TRENDS OF CLRG FM NW-SE TNGT APPEAR RSNBL AND SUPPORTED BY GUID. OF CONCERN IS HOW LOW TMPS WL GET TNGT. GUID HAS EXHIBITED A COLD BIAS LATELY AND UPSTRM TMPS/DPTS COMBINED WITH GOOD MXG TNGT SUGGEST FAN/FWC VALUES A LTL TOO COOL. ETA 2M TMPS SUPPORT THIS IDEA AND HV BEEN FOLLOWED MORE CLOSELY. COOLER DAY TMW AS WK LOW LVL CAA WL CONT OVER THE ERN HALF OF THE STATE THRU ARND MIDDAY. FAN TMPS LOOK A LTL TO COOL AND GNRLY HEDGED CLOSER TO THE FWC VALUES. LOOKS LIKE WED NGT/THURS MRNG WL BE THE COLD ONE OF THE SET IN THE EAST AS SFC RDG OVR MID MO TMW EVNG GRADUALLY RETREATS. SOME HI LVL WAA CLDS WILL SPILL INTO THE STATE OVERNIGHT AS ZONAL FLOW BCMS ESTABLISHED BUT UNLESS THIS GETS REAL THICK...SHUD SEE NICE RADTL COOLING. WARM-UP TO GET UNDERWAY IN ERNEST ON THURS AS S TO SW LOW LVL FLOW BCMS ESTABLISHED IN ADVANCE OF NEXT SYS. PRINDS ARE THAT THERE SHUD BE HI CLDS ARND BUT DEGREE OF WAA SUGGEST GUID VALUES A GOOD START ATTM...AND IN LINE WITH PRVS EXTDD FCST. NOTE: ZN FCST FOR SW/SC MO WAS PREPARED BY NWSO SGF TDA. SEE STLAFDSGF FOR FCST RSNG. .STL...NONE GLASS
000 TTAA00 KSTL 022135 MISSOURI STATE FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 320 PM CST TUE MAR 2 1999 SFC ANLYS FM 21Z PLACED CDFNT FM SRN LK MICH THRU XTRM SE MO INTO CNTRL AR. APPROX 60-80 MILE WIDE FRONTOGENETICALLY FRCD POST- FRONTAL PCPN BAND NOW CNTRD ALG A STL-UNO LN. THIS PCPN MOVG QUICKLY EWD IN RSPNS TO STG DIGG UPSTRM ULJ AND ASSOCD SHRTWV TROF NOW OVR CNTRL KS. MID-LOW LVL FRONTOGENETIC FRCG/MSTR AND ASSOCD PCPN BAND SHUD CONT TO SWEEP QUICKLY TO THE EAST THIS EVNG AS UPSTRM SHRTWV DIGS SEWD INTO NRN AR. CURRENT RADAR TRENDS SUPPORTING THIS SCENARIO AND APPEARS WL ONLY NEED TO MENTION PCPN FOR ERLY THIS EVNG OVR FAR E/SE ZNS...DEPENDING ON STATUS AT ZN RELEASE TIME. IF THERE IS ANY ADDTL PCPN THREAT WITH THE VORT MAX...CURRENT INDCTNS ARE THAT IT SHUD BE OF THE NON-MEASURABLE VARIETY DUE TO LACK OF ANY STRUCTURED LOW/MID LVL CIRCLNS AND ASSOCD AVCTNS. STILL A FAIR AMT OF UPSTRM LOW CLDS ATTM BUT CURRENT TRENDS OF CLRG FM NW-SE TNGT APPEAR RSNBL AND SUPPORTED BY GUID. OF CONCERN IS HOW LOW TMPS WL GET TNGT. GUID HAS EXHIBITED A COLD BIAS LATELY AND UPSTRM TMPS/DPTS COMBINED WITH GOOD MXG TNGT SUGGEST FAN/FWC VALUES A LTL TOO COOL. ETA 2M TMPS SUPPORT THIS IDEA AND HV BEEN FOLLOWED MORE CLOSELY. COOLER DAY TMW AS WK LOW LVL CAA WL CONT OVER THE ERN HALF OF THE STATE THRU ARND MIDDAY. FAN TMPS LOOK A LTL TO COOL AND GNRLY HEDGED CLOSER TO THE FWC VALUES. LOOKS LIKE WED NGT/THURS MRNG WL BE THE COLD ONE OF THE SET IN THE EAST AS SFC RDG OVR MID MO TMW EVNG GRADUALLY RETREATS. SOME HI LVL WAA CLDS WILL SPILL INTO THE STATE OVERNIGHT AS ZONAL FLOW BCMS ESTABLISHED BUT UNLESS THIS GETS REAL THICK...SHUD SEE NICE RADTL COOLING. WARM-UP TO GET UNDERWAY IN ERNEST ON THURS AS S TO SW LOW LVL FLOW BCMS ESTABLISHED IN ADVANCE OF NEXT SYS. PRINDS ARE THAT THERE SHUD BE HI CLDS ARND BUT DEGREE OF WAA SUGGEST GUID VALUES A GOOD START ATTM...AND IN LINE WITH PRVS EXTDD FCST. NOTE: ZN FCST FOR SW/SC MO WAS PREPARED BY NWSO SGF TDA. SEE STLAFDSGF FOR FCST RSNG. .STL...NONE GLASS