Severe Thunderstorm Warning 116, NWS San Angelo, TX

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
840 PM CDT THU MAY 18 2000

THE LATEST KSJT REFLECTIVITY LOOP AND 01Z SURFACE ANALYSIS PLACES THE
SLOW MOVING COLD FRONT ALONG A CROSS PLAINS TO CARLSBAD TO MERTZON TO
MIDKIFF LINE. THE DRYLINE WAS ALONG A MERTZON TO DRYDEN LINE AND WAS
RETREATING SLOWLY WEST. SCATTERED STRONG TO SEVERE THUNDERSTORMS WERE
FORMING AND TRAINING ALONG THE COLD FRONT AND BEGINNING TO BACK BUILD
TO THE SOUTHWEST. THE SURFACE FRONT IS EXPECTED TO SLIP JUST SOUTH OF
BROWNWOOD TO SJT LINE AFTER MIDNIGHT WITH THE 850 MB FRONT ALONG THIS
LINE. GOOD 850 MB THETA-E ADVECTION AND MOISTURE CONVERGENCE ALONG THE
850 MB FRONT SHOULD HELP TO ENHANCE THUNDERSTORM ACTIVITY LATER THIS
EVENING. WITH THE STEERING FLOW PARALLEL TO THE BOUNDARY... TRAINING
THUNDERSTORMS WILL OCCUR ALONG THE BOUNDARY. AS A RESULT... WILL
INCREASE POPS FOR THE COUNTIES IN THE WATCH AND ADD THE THUNDERSTORM
WATCH HEADER TO THE ZONES.

.SJT...NONE.

TEW
N