Heavy rains across central Indiana caused some streets to flood in Marion County.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS IND wrote it up.
Heavy rains across central Indiana caused some streets to flood in Marion County.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Indianapolis, IN wrote its last area forecast discussion before the first event at Aug 20, 1:23 PM EST, 1 hour 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE INDIANAPOLIS IN 223 PM EDT MON AUG 20 2007 .DISCUSSION... FORECAST FOCUS CONTINUES TO BE POPS IN THE SHORT TERM. AT 18Z OLD FRONTAL BOUNDARY REMAINED ACROSS NRN IN. AN UPPER WAVE ACROSS IL WAS HELPING GENERATE NUMEROUS TSRA ACROSS THE FORECAST AREA /FA/. MODELS IN DECENT AGREEMENT WITH MAJOR FEATURES. WILL USE A BLEND. UPPER WAVE WILL SLOWLY TRAVERSE THE STATE THIS EVENING. 850 MB WINDS AROUND 40 KT AND ISENTROPIC LIFT AND SHOULD AID IN THE CONTINUING DEVELOPMENT OF SHRA AND TSRA ACROSS THE FA AS PLENTY OF MOISTURE REMAINS IN PLACE. RADAR TRENDS SHOW ADDITIONAL DEVELOPMENT OCCURRING IN WRN IL ATTM...SO WILL GO LIKELY TO CATEGORICAL POPS MOST AREAS DURING THE EVENING HOURS. WILL DROP POPS BACK TO CHANCE CATEGORY AFT MIDNIGHT AS WAVE EXITS. WITH HIGH LOW LEVEL MOISTURE LEADING TO HIGHER DEWPOINTS...A BLEND OF MET/MAV NUMBERS LOOKS BEST FOR LOW TEMPS TONIGHT. ON TUESDAY FRONT WILL LIFT OFF TO THE N. ATMS WILL BECOME UNSTABLE AS SUNSHINE HEATS UP THE ATMS DURING THE DAY. WITH UPPER HIGH STILL OFF TO THE S COULD SEE SOME TSRA DEVELOP DURING THE DAY. WILL CONTINUE CHANCE POPS. MAV MIGHT BE TOO WARM FOR HIGHS AS GROUND WILL BE WET FROM TODAY/S RAINS. WILL CUT MAV A LITTLE MOST AREAS. UPPER RIDGE BEGINS TO INFLUENCE THE AREA TUE NIGHT INTO WED. WITH LOSS OF HEATING FEEL CHANCES FOR TSRA ARE TOO LOW TO MENTION TUE NIGHT. WARM TEMPS ALOFT ON WED SHOULD HELP PREVENT TSRA DEVELOPMENT...SO WILL KEEP WED DRY. WITH THE RETURN OF THE RIDGE TEMPERATURES WILL CLIMB INTO THE 90S ONCE AGAIN ON WED. THIS COMBINED WITH HIGHER DEWPOINTS WILL LEAD TO VERY WARM HEAT INDEX VALUES. AS FOR THE EXTENDED...AN UPPER RIDGE REMAINS IN PLACCE OVR THE RGN FOR THURSDAY...BUT BEGINS TO BREAK DOWN BY FRI/SAT AS A CD FRONT APPROACHES FROM THE NW. WL FOCUS PCPN CHCS FOR DIURNAL CONVECTION ON FRI AFTERNOON IN THE WARM SECTOR...THEN AGAIN ON FRI NIGHT THROUGH SAT AS S/W APPROACHES AND PASSES ACRS THE AREA. HIGH PRES EXPECTED TO BUILD IN FOR THE START OF THE NEXT WEEK WITH DRY EASTERLY SFC WINDS RESUMING. WARM TEMPS WL BE IN PLACE FOR THE END OF THIS WEEK WITH THE SW SFC FLOW CONTINUING. && .AVIATION... DISCUSSION FOR 18Z TAFS. TODAYS WEATHER MAKER WILL BE A NEARLY STATIONARY FRONT ACROSS CENTRAL INDIANA. TSRA DEVELOPING ACRS THE FA ATTM. WL USE PLENTY OF MVFR CONDITIONS FOR THOSE AREAS EXPECTED TO RECEIVE TSRA...WITH A FEW TEMPO IFR CONDITIONS DURING THE STRONGER STORMS. TIME SECTIONS ACRS THE TAF SITES SHOW BEST LIFT AND FORCING LATE THIS AFTERNOON AND EARLY THIS EVENING AS THE S/W PUSHES ACRS CENTRAL INDIANA. HENCE HAVE FOCUSED TEMPO GROUPS AND VCTS AROUND THIS TIME. WL NEED TO FINE TUNE THE TAFS THIS AFTERNOON WITH PLENTY OF ADJUSTMENTS FOR TIMING AS WE GO. IFR FOG EXPECTED TONIGHT AS PCPN IS EXPECTED TO MOISTEN THINGS UP QUITE WELL AND WINDS BECOME QUITE LGT AROUND THE BOUNDARY. WITH DEW POINT TEMPERATURES HOLDING IN THE MOIST 60S AND LOW 70S...CAN SEE NO REASON NOT TO INCLUDE SOME BR LATE TONIGHT. && .IND WATCHES/WARNINGS/ADVISORIES...NONE. && PUBLIC...CS/JP AVIATION...JP
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 320 PM EDT MON AUG 20 2007 INZ021-028>031-035>049-051>057-060>065-067>072-211930- CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY- BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE- PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN- JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW- DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS- 320 PM EDT MON AUG 20 2007 /220 PM CDT MON AUG 20 2007/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA. .DAY ONE...THIS AFTERNOON AND TONIGHT. NUMEROUS THUNDERSTORMS WILL BE ACROSS CENTRAL INDIANA THIS AFTERNOON AND EVENING. THE STORMS WILL TAPER OFF OVERNIGHT. SOME OF THE STORMS WILL PRODUCE HEAVY RAIN. IN ADDITION...A FEW SEVERE STORMS WITH DAMAGING WINDS ARE POSSIBLE AS WELL. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THUNDERSTORMS ARE POSSIBLE ON TUESDAY. A FEW OF THESE STORMS MAY PRODUCE BRIEF HEAVY RAIN. ADDITIONAL STORMS ARE POSSIBLE FRIDAY AND SATURDAY. LIGHTNING IS A THREAT FROM ANY THUNDERSTORM. HEAT INDEX VALUES MAY APPROACH 100 DEGREES THIS WEEK...ESPECIALLY WEDNESDAY AND THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS POSSIBLE THIS AFTERNOON AND EVENING. && MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL LOWERCASE)
The national radar mosaic for the moment the first event began.
2 heavy rain. Local standard time, as filed.
Heavy rains caused street flooding at Edgewood and 5 Points Road on the south side of Indianapolis.
Street flooding occured in the Castleton area due to heavy rains.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Indiana in 2007Every state in 2007This day in weather historyWarnings in Indiana, August 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 48798, 48822.