1 thunderstorm wind, as filed by the National Weather Service.
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 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 27, 3:00 AM EST, 5 hours 25 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE INDIANAPOLIS IN 300 AM EST WED AUG 27 2003 FORECAST FOCUS WILL BE ON TSRA THIS AFTERNOON AND TONIGHT. WITH DELAYED AND/OR NON EXISTENT MODEL DATA DUE TO PROBLEMS IN D.C. WILL USE THE SMORGASBOARD OF DATA CURRENTLY AVAILABLE ALONG WITH THE EXISTING FORECAST FOR TODAYS PACKAGE. NOT MUCH CHANGE IN OVERALL PATTERN OVER THE NEXT FEW DAYS. LOOKING AT THE SURFACE CHART JUDGING BY DEWPOINTS THE FRONT APPEARS TO BE BACK IN SOUTHERN WI AND ERN IA. HPC MANUAL PROGS HAVE THIS FRONT DOWN TO INDY BY THIS AFTERNOON. LIS ARE -6 TO -8 WITH CAPES AROUND 4200 J/KG AND THE CAP THAT WAS OVER US YESTERDAY HAS DECREASED TO AROUND 8C EFFECTIVELY ELIMINATING SAID CAP. THEREFORE WILL KEEP SCATTERED TSRA IN FORECAST THROUGH TONIGHT. AS THE CDFNT MOVES SOUTH WILL KEEP CHANCE POPS IN SOUTHERN ZONES TONIGHT. ON THURS/THURS NITE A WMFNT MOVES NORTH THROUGH THE CWA BRINGING ANOTHER ROUND OF TSRA. NO CHANGES MADE TO EXTENDED WITH LACK OF DATA. NO MOS AVAILABLE TONIGHT SO WILL USE H85 TEMP EXTRAPOLATION TO ESTIMATE HIGHS. .IND...NONE
INZ021-028>031-035>049-051>057-060>065-067>072-281200- HAZARDOUS WEATHER OUTLOOK...CORRECTED EXPIRATION TIME NATIONAL WEATHER SERVICE INDIANAPOLIS IN 701 AM EST WED AUG 27 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS CAN BE EXPECTED TODAY. SOME OF THESE STORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WIND THE MAIN THREAT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THERE IS A CHANCE OF THUNDERSTORMS THURSDAY AND FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY LATER TODAY. && MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING URL... HTTP://WWW.CRH.NOAA.GOV/IND (ALL LOWER CASE)
The Indianapolis radar (KIND), 40 km away, was scanning. The volume nearest the first event began at 13:22 UTC.
1 thunderstorm wind. Local standard time, as filed.
Trees were down in a yard adjacent to an off-duty NWS employee.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Indiana in 2003Every state in 2003This day in weather historyWarnings in Indiana, August 2003
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: 5378316.