SYNOPSIS FOR 05/24/94 - VORTEX-94

NOCTURNAL CNVTN MOVD SSEWD ACRS CNTRL OK AND 
GRDLLY DSIPTD OVR S CNTRL OK BY 15Z.  THIS CNVTN 
GENERATED AN OUTFLOW BNDRY THAT EXTENDED WWD ACRS 
SWRN OK JUST TO THE NORTH OF THE RED RVR.  THIS BNDRY 
INTERSECTED A NNE/SSW ORIENTED TROF LN FM  NWRN OK 
EXTENDING THRU A DVLPG LO NR CDS AND CONTD SWWD 
TWD MAF.  AN UPR LOW WAS LOCATED OFF BAJA CA WITH A 
SHRTWV RDG APPARENT OVR THE SRN HI PLAINS....WITH LTL 
I N THE WAY OF UPR LVL DYNAMIC FORCING OVR THE VORTEX 
AREA.  HWVR...A STG /100 KT/ UPR LVL JET AT THE 200 MB LVL  
WAS  OVR OK.   CLD FREE CONDS OVR W TX AND WRN OK 
RESULTED IN  STG DIURNAL HEATING  DURG THE 
AFTN...SPCLY OVR SWRN OK WHERE MESONET DATA INDCD 
SOME TEMPS INTO THE MID/UPR 90S.  THIS STG HEATING OF 
THE MOIST AMS /DEW POINTS OF 65-70/ CONTRIBUTED TO 
SUBSTANTIAL DESTABILIZATION WITH CAPE VALUES ABV 3000 
J/KG.  THE STG HEATING OVR WRN OK NORTH OF  THE 
OUTFLOW BNDRY DMSHD THE  THERMAL GRADIENT WITH 
SOME WEAKENING OF THE BNDRY DURG THE AFTN.  AFTER 
MUCH DELIBERATION...FIELD CREWS DEPARTED NORMAN IN 
THE ERY AFTN AND HEADED TWD FSI.  CNVTN WAS SLOW TO 
DVLP DURG THE MID AFTN...WITH STGR CELLS FINALLY 
DVLPG  SW OF SPS  IN THE 21-22Z  TIME FRAME.  THIS CNVTN 
DMSHD WITHIN 2 HRS WITH RPD DVLPMT OCCURRING 
THEREAFTER JUST N OF SPS  IN OK WHERE THE APPARENT LO 
LVL CNVGNC WAS MAXIMIZED.  THESE STORMS PRODUCED 
HAIL UP TO BASEBALL SIZE AND WIND GUSTS ABV 70 
MPH...AND AT LEAST ONE CELL GENERATED A BRIEF 
ROTATING WALL CLD.  NO TORNADOES WERE REPORTED IN 
THE VORTEX RGN.   

WEISS/HART
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