Severe Thunderstorm Warning 287, NWS Northern Indiana

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTHERN INDIANA
202 PM EST SUN DEC 6 1998

PROBLEM OF THE DAY IS TSTMS.

CDFNT CONTG TO PUSH SLOWLY EAST ACRS SRN LM AND NE IL ATTM. ADAP
LIFTED INDEXES DOWN TO -2 TO -4 OVR THE CWA WITH MOD MOISTURE
CONVERGENCE ALONG AND AHD OF FNT FM NRN IND TO CENTRAL IL. THREAT OF
THUNDERSTORMS TO CONT ACROSS THE AREA INTO TNGT AS FRONT MOVES
SLOWLY EAST ACRS THE AREA. SOME STORM TOPS THIS AFTN OVR 30K FT ON
KIWX 88D WITH VILS >35. NOT MUCH SHEAR BUT DOPPLER INDICATING
PERSISTANT MINIMAL MESOCYCLONES WITH STORMS. EXPECT THERE WILL
CONT TO BE SOME HAIL PRODUCERS INTO THE EVE BUT NO DAMAGING WINDS
WITH THUNDERSTORMS.

NGM HAS HANDLED THE SYNOPTIC PATTERN BEST PAST COUPLE OF DAYS
AND WILL CONT TO FOLLOW. FRONT EXPECTED TO MOVE TO THE EAST OF
THE AREA OVERNIGHT WHILE DRY SLOT ASSOCD WITH S/WV LIFTG NE FM
SRN PLAINS WORKS INTO CWA. NEXT S/WV ROTATING ARND BASE OF TROF
MON SHD KICK OFF ANOTHER ROUND OF OVER-RUNNING RAIN ALONG FRONT. NRN
EDGE OF THIS PRECIP COULD REACH THE SE PORTION OF OUR CWA MON
AFTN/NIGHT. APPEARS AT THIS TIME WILL NOT BE COLD ENUF FOR FROZEN
PRECIP...BUT WILL BE CLOSE.

SBN CC 042/043 032/039 025 01923
FWA CC 045/045 035/039 025 01944
AOH CC 048/049 038/041 026 01955

.IWX...NONE.

JT