Severe Thunderstorm Warning 131, NWS St. Louis, MO

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
230 AM CDT THU JUL 19 2001

MCS ACRS NW MO BEGINNING TO ROLL SEWD IN LN WITH THICKNESS.  RUC
FCSTS SGNFNT 850 THETA-E ADVCTN AND MSTR CNVGC FM CNTRL IA INTO NE
MO ATTM.  FEW CELLS WERE DVLPG ACRS CNTRL IA DURG PAST HR OR SO IN
RESPONSE.  COOD SEE A REPEAT OF WED'S WX WITH DVLPMNT DURG THE DAY
ALG OUTFLOW BNDRY FM CURRENT CONVECTION.  MESOETA'S QPF LOOKS RNSBL
THRU THE PD WITH ANTHR MCS EXPCTD TNGT.  SYSTM SHOOD THEN ROLL SEWD
AND AFFCT MUCH OF CWA ON FRI.

MODELS PICK UP ON MCV BY NOON WITH SGNFNT PVA FCST ACRS MUCH OF AREA
DURG THE AFTN.  LKLY POPS ACRS MST OF AREA FOR A START FOR TODAY
WITH HIEST POPS ACRS NE MO FOR THIS MRNG.  ETA'S TIME CROSS SECTS IN
REGARD TO VV LOOK LIKE WNTR.

.STL...NONE

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-191700-

SEVERE WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE ST LOUIS MO
645 AM CDT THU JUL 19 2001

THE SEVERE WEATHER THREAT: THERE IS A SLIGHT RISK OF SEVERE
THUNDERSTORMS ACROSS THE ENTIRE AREA.

FOR THE PERIOD:  TODAY AND TONIGHT.

THE WEATHER OUTLOOK: SHOWERS AND THUNDERSTORMS HAVE BROKEN OUT ALONG
THE MISSISSIPPI RIVER EARLY THIS MORNING AND WILL MOVE SOUTHEAST.
A COUPLE OF THESE HAVE ALREADY SHOWN SEVERE TENDENCIES. THESE AND
OTHER STORMS WHICH FORM ALONG THE OUTFLOW BOUNDARIES LATER TODAY
ALONG WITH THE VERY UNSTABLE ATMOSPHERE OVER MISSOURI HAVE PROMPTED
THE NATIONAL WEATHER SERVICE TO EXPAND THE SEVERE THREAT TO INCLUDE
THE ENTIRE ST LOUIS FORECAST AREA.  ILLINOIS HAS BEEN ADDED TO THE
THE THREAT AREA.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE REGION. A
FEW STORMS WILL LIKELY BECOME SEVERE IN THE VERY WARM AND UNSTABLE
CONDTIONS.  THE THREAT WILL BE DAMAGING WINDS WITH SOME LARGE HAIL.
LOCALLY HEAVY RAINFALL IS ALSO POSSIBLE AS SLOW MOVING THUNDERSTORMS
PRODUCE TORRENTIAL DOWNPOURS.

PwEDIGO

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-191700-

SEVERE WEATHER OUTLOOK...CORRECTION TO WORDING AND TIMES
NATIONAL WEATHER SERVICE ST LOUIS MO
1015 AM CDT THU JUL 19 2001

THE SEVERE WEATHER THREAT: THERE IS A SLIGHT RISK OF SEVERE
THUNDERSTORMS ACROSS THE ENTIRE AREA.

FOR THE PERIOD:  TODAY AND TONIGHT.

THE WEATHER OUTLOOK: SHOWERS AND THUNDERSTORMS HAVE BROKEN OUT ALONG
THE MISSISSIPPI RIVER EARLY THIS MORNING AND WILL MOVE SOUTHEAST.
A COUPLE OF THESE HAVE ALREADY SHOWN SEVERE TENDENCIES. THESE AND
OTHER STORMS WHICH FORM ALONG THE OUTFLOW BOUNDARIES LATER TODAY
ALONG WITH THE VERY UNSTABLE ATMOSPHERE OVER MISSOURI HAVE PROMPTED
THE NATIONAL WEATHER SERVICE TO EXPAND THE SEVERE THREAT TO INCLUDE
THE ENTIRE ST LOUIS FORECAST AREA.  ILLINOIS HAS BEEN ADDED TO THE
THE THREAT AREA.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE REGION. A
FEW STORMS WILL LIKELY BECOME SEVERE IN THE VERY WARM AND UNSTABLE
CONDITIONS.  THE THREAT WILL BE DAMAGING WINDS WITH SOME LARGE
HAIL.  LOCALLY HEAVY RAINFALL IS ALSO POSSIBLE AS SLOW MOVING
THUNDERSTORMS PRODUCE TORRENTIAL DOWNPOURS.

PEDIGO