Severe Thunderstorm Warning 107, NWS Indianapolis, IN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
230 AM EST WED AUG 9 2000

SFC ANALYSIS EARLY THIS AM SHOWS A WEAK TROF STRETCHING FM THE GRT
LAKES TO NERN KS. HI PRES WAS OVR THE SERN STS. S-SW FLOW ACRS
INDIANA. AIR MASS VERY MOIST WITH SFC DEWPOINTS IN THE LOWER 70S ACRS
THE STATE.

FCST CHALLENGE TDY WL BE CHANCES FOR TSTMS TDY...AND SEVERE THREAT.

ETA SEEMS TO BE HANDLING THE SITUATION BEST AS IT APPEARS TO
CORRECTLY NAIL THE MCS DEVELOPMENT IN IA IN THE H7 RH FIELDS. NGM HAS
MISSED THIS FEATURE...HOWEVER THE OTHER MAJOR FEATURES BETWEEN THE
MODELS ARE QUITE SIMILAR. H8-H35 THICKNESS PROGS THIS DEVELOPMENT
TOWARD CENTRAL INDIANA. ETA/NGM FCST WEAK TROF TO SLIDE S TO INDIANA
TODAY REACHING S IN BY 00Z THURS. CONSIDERING THE CURRENT POSITION OF
THIS BOUNDARY...CENTRAL WI...THIS MAY BE A BIT FAST. HOWEVER...AS
THIS BOUNDARY PUSHES SOUTH IT WILL CERTAINLY HAVE MANY FEATURES IN
PLACE FOR STORM DEVELOPMENT. H8 THERMAL RIDGE WILL BE IN PLACE ACRS
INDIANA TDY AND MCS DEVELOPING IN IA IS ON THE NRN EDGE OF THE RIDGE.
ETA FCST CAPES IN THE UPPER 3K RANGE. LI/S WL BE QUITE FAVORABLE
ALSO. TIME SECTIONS SHOW GOOD VV ACRS AREA LATE THIS MORNING AND THIS
AFTERNOON. WL EXPECT SOME CI BLOWOFF FROM IA/IL STORMS THIS AM...BUT
THIS SHOULD HAVE LITTLE EFFECT ON DAYTIME HEATING. WITH ALL THESE
FAVORABLE THINGS FOR STORMS...WL INCLUDE STRONG WORDING.

MID LVLS DRY OUT OUT ON WED NIGHT AND THURS AS THE TROF PASSES TO THE
SOUTH. AGAIN...AS MODELS MAY BE HANDLING THE TROF A BIT FAST...WL
INCLUDE SOME POPS THIS EVENING.  DEWPOINTS AND H8 TEMPS BOTH FALL ON
THURS AS TROF HAS PASSED AND H8 RIDGE BUILDS ACRS AREA.

FWC/FAN TEMPS LOO#K GOOD...BUT WL LEAN SLIGHTLY COOLER ON TDYS HIGHS
AS EXPECTING SOME CI BLOWOFF AND PLENTY OF CLD DEVELOPMENT. ALSO AFT
SUN/MON RAINS GROUND IS STILL QUITE MOIST.

.IND...NONE.
PUMA

INZ021-028>031-035>049-051>057-060>065-067>072-091500-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
444 AM EST WED AUG 9 2000

THERE IS A CHANCE FOR THUNDERSTORMS OVER CENTRAL INDIANA TODAY AND
TONIGHT. THERE IS A MODERATE RISK OF SEVERE STORMS OVER MUCH OF
CENTRAL INDIANA TODAY AND THIS EVENING. THE MAIN THREAT FROM ANY
STORMS SHOULD BE DAMAGING WINDS AND LARGE HAIL.

SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT.

PUMA

INZ028-029-035-036-043>045-091200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
558 AM EST WED AUG 9 2000

...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 1000 AM...

AN AREA OF SHOWERS AND THUNDERSTORMS OVER EAST CENTRAL ILLINOIS WILL
PUSH EAST INTO WEST CENTRAL INDIANA BY 645 AM. THE STORMS SHOULD
FIRST REACH THE LAFAYETTE AND ATTICA AREAS. THE STORMS WILL ALSO
EFFECT MOTORISTS ON I-65 NORTH OF LAFAYETTE. THE STO7RMS WILL PRODUCE
VERY HEAVY RAINFALL...FREQUENT LIGHTNING AND WINDS GUSTING TO 45
MPH.

PEOPLE SHOULD REMAIN ALERT TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR
FURTHER STATEMENTS AND POSSIBLE WARNINGS.

PUMA

INZ021-028>031-035-036-043-091215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
627 AM EST WED AUG 9 2000

...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF WEST CENTRAL
INDIANA UNTIL 1000 AM...

AN AREA OF THUNDERSTORMS OVER NORTHWEST INDIANA WILL PUSH INTO THE
KOKOMO...FRANKLIN AND LAFAYETTE AREAS THROUGH 730 AM. THE STORMS WILL
PRODUCE VERY HEAVY RAINFALL...FREQUENT LIGHTNING AND WINDS GUSTING TO
50 MPH.

PEOPLE SHOULD REMAIN ALERT TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR
FURTHER STATEMENTS AND POSSIBLE WARNINGS.

PUMA

INZ021-030-031-036>041-046>049-091315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
712 AM EST WED AUG 9 2000

...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF CENTRAL INDIANA
UNTIL 1200 AM...

AN AREA OF THUNDERSTORMS STRETCHING FROM KOKOMO TO CRAWFORDSVILLE
WAS MOVING SOUTHEAST AT AROUND 50 MPH. THE STORMS ARE EXPECTED TO
REACH THE ELWOOD...LEBANON AND NOBLESVILLE AREAS BY 745 AM AND
THE ANDERSON AND MUNCIE AREAS BY 815 AM.  THE STORMS WILL PRODUCE
VERY HEAVY RAINFALL...FREQUENT LIGHTNING AND WINDS GUSTING TO 50
MPH.

PEOPLE SHOULD REMAIN ALERT TO NOAA WEATHER RADIO OR LOCAL MEDIA FOR
FURTHER STATEMENTS AND POSSIBLE WARNINGS.

PUMA

INZ031-091245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
730 AM EST WED AUG 9 2000

...SEVERE THUNDERSTORM WARNING FOR HOWARD COUNTY EXPIRES...

THUNDERSTORMS HAVE PUSHED EAST OF HOWARD COUNTY TO AND DECREASED IN
INTENSITY. THEREFORE THE SEVERE THUNDERSTORM WARNING WILL BE
ALLOWED TO EXPIRE.

NO REPORTS OF SEVERE WEATHER HAVE BEEN REPORTED TO THE NATIONAL
WEATHER SERVICE IN INDIANAPOLIS.

A SEVERE THUND{ERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL
INDIANA UNTIL 1200 PM. PEOPLE SHOULD REMAIN ALERT TO NOAA WEATHER
RADIO OR LOCAL MEDIA FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS.

PUMA

INZ028-029-035-036-043>045-091325-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
738 AM EST WED AUG 9 2000

...SEVERE THUNDERSTORM WATCH NUMBER 663 FOR WEST CENTRAL INDIANA IS
CANCELLED...

THUNDERSTORMS HAVE PUSHED EAST OF WEST CENTRAL INDIANA AND DECREASED
IN INTENSITY. THERE IS NO LONGER A THREAT FOR SEVERE WEATHER THROUGH
1000 AM AND THEREFORE THE SEVERE THUNDERSTORM WATCH WILL BE
CANCELLED.

THE COUNTIES THAT HAVE BEEN CLEARED OF THE WATCH INCLUDE WARREN...
TIPPECANOE...MONTGOMERY...FOUNTAIN...VERMILLION...PARKE AND PUTNAM.

THUNDERSTORMS MAY DEVELOP AGAIN ACROSS WEST CENTRAL INDIANA THIS
AFTERNOON. PEOPLE SHOULD REMAIN ALERT TO NOAA WEATHER RADIO OR LOCAL
MEDIA FOR FURTHER STATEMENTS AND POSSIBLE WATCHES AND WARNINGS.

PUMA