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Displaying AFOS PIL: SWODY1 Product Timestamp: 1991-03-29 15:00 UTC
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000 ACUS1 KMKC 291500 MKC AC 291500 CONVECTIVE OUTLOOK...REF AFOS NMCGPH94O VALID 291500 - 301200Z REF WWS 86..87..88 AND 89. THERE IS A HIGH RISK OF SVR TSTMS TDA AND TNGT FOR SRN AND E CNTRL AL..PTNS OF NRN FL..MUCH OF GA..SC..NC..AND EXTRM S CNTRL AND SERN VA. THE HIGH RISK AREA IS TO THE RGT OF A LN FM MOB 70 N MOB ATL HKY DAN 20 E LFI...CONT...SSI AQQ. THERE IS A SLGT RISK OF SVR TSTMS TO THE RGT OF A LN FM AQQ SSI... CONT...DAB PIE. GEN TSTMS FCST TO THE RGT OF A LN FM 30 S LCH LFK 30 E DAL MLC LIT LOZ MRB JFK...CONTD...ABQ GUP 4HV U67 LND CPR LIC 30 E 4LJ CVS ABQ. LTST DATA INDC SVR WX OUTBREAK IS LIKELY TO CONT DURG FCST PD AS VIGOROUS UPR VORT MAX MOVG INTO AR MOVES RPDLY ENEWD TWD SRN/CNTRL APLCNS. CURRENT TSTM ACTVTY FM NRN/CNTRL GA INTO EXTRM SWRN AL EXPCD TO PROPAGATE NEWD AS SYNOPTIC SCALE LOW OVR EXTRM E CNTRL MS MOVES ENEWD ALG FNTL BNDRY. SOME DEEPENING OF LO IS ANTICIPATED IN RESPONSE TO APCHG UPR SYS. ONE MESOLOW HAS BEEN TRACKING ALG BNDRY OVR NRN GA...AND CURRENT RADAR IMAGERY SUGS PSBL FORMATION OF SCND MESOLOW OVR SWRN AL. AMS IN WARM SECTOR CONTS TO DESTABILIZE AS VERY STG SLY LO LVL FLO ADVECTS MSTR INLAND...WITH MDT INSTBY ALREADY PRESENT FM SRN AL INTO CNTRL NC. VERY STG MID/UPR LVL JET STREAK IS PROGD TO MOVE RPDLY NEWD ACRS SERN STATES TODAY AND PROVIDE VERY FVRBL DYNAMIC FORCING FOR CONTINUATION OF SVR CNVTN. PRIND SVR TSTMS WILL MOVE NEWD INTO SC DURG NXT HR...WITH ACTVTY SPRDG INTO NC AND EXTRM SERN VA THIS AFTN AND EVE. ADDNL SVR TSTMS EXPCD TO PROPAGATE FM SRN AL ACRS CNTRL/SRN GA THIS AFTN AND MOVE INTO CNTRL/ERN CAROLINAS LTR THIS AFTN AND TNGT. EXAMINATION OF 12Z SOUNDINGS OVR SERN STATES REVEALS VERY FVRBL HODOGRAPH STRUCTURE WITH PRONOUNCED INCR IN SPEED AND VEERING WITH HGT IN LOWEST SVRL KM. HELICITY VALUES OF 400 OR GTR SUG POTENTIAL FOR STG MESOCYCLONE- INDUCED TORNADO DVLPMT...AND LOCAL NWS OFFICES SHOULD BE PREPARED FOR PSBL DMGG TORNADOES. AN UPDATED PUBLIC SVR WX OUTLOOK AFOS CCCPWO MKC WIBIS AROUND 16Z. ..WEISS.. 03/29/91