Severe storms produced damaging winds across central Indiana on the afternoon of August 8, 2007. Trees were uprooted and power lines were down due to the storms.
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.
Severe storms produced damaging winds across central Indiana on the afternoon of August 8, 2007. Trees were uprooted and power lines were down due to the storms.
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 8, 2:00 PM EST, 1 hour 53 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE INDIANAPOLIS IN 300 PM EDT WED AUG 8 2007 .SHORT TERM.../TNT/ VERY WARM AND UNSTABLE AIR MASS OVER AREA WITH WEAK SURFACE LOW AND SFC BNDRY ACROSS CENTRAL IL AND INDIANA. ISOLD STORMS HAVE DEVELOPED IN CENTRAL IL AND OH NEAR INSTBY AXIS. TNGT...FCST FOCUS IS ON STORM POTENTIAL. CURRENT ACTIVITY TO GRADUALLY EXPAND IN COVERAGE BUT WARM AIR ALOFT MAY CAP MORE SIGNIFICANT AND WDSPRD DVLPMNT. MODELS SUGGESTED SUCH DEVELOPMNT TO OCCUR BUT CARRIED THIS INTO OH AFT 06Z SO WILL FOLLOW ALONG THESE LINES WITH HIGHEST EVENING POPS AND BEST CHCS NORTH OF I-70 IN LINE WITH CURRENT DVLPMNT AND MODEL FCSTS. TEMPS AND HUMIDITY TO REMAIN HIGH TONIGHT AND RIGHT ALONG WITH CURRENT FCST. HAVE LOWERED SMALLER POPULATION AREA MINS MORE IN LINE WITH THIS MORNINGS LOWS AND GUIDANCE. && .LONG TERM.../THU THRU WED/ FORECAST FOCUS IS ON TEMPS/HUMIDITY FOR THE PD AS WELL AS POPS TOMORROW. FOR THU...NAM AND GFS SHOW H7 TEMPS IN THE 10-12C RANGE. WITH JUST OVR 10C ON THU IN THE N COULD SEE SOME TSRA BREAK THRU THE WEAKENED CAP ALONG THE FNT WHERE THE FORCING IS STRONGEST AND STILL PLENTY OF INSTABILITY AROUND. KEPT GOING FCST OF CHC N WITH SLT CHC S. GFS SHOWS AXIS OF H8 THERMAL RIDGE INTRUDING INTO SRN INDIANA WITH AN H8 TEMP AROUND 23-24C. WITH FNT ACRS THE CENTRAL PART OF THE FA COULD SEE MORE CLDS SO WL KEEP TEMPS SIMILAR TO TDAY. TOOK A COUPLE DEGREES OFF THE MAV FOR HIGHS IN THE MIDDLE 90S TO AROUND 100 IN THE SW. DEWPTS IN THE LOW 70S WILL YIELD HEAT INDICES UP TO 110 SO WL CONTINUE WITH HEAT ADVISORY FOR THIS TIME. THU NT...COLD FNT SWINGS THRU BUT PACKS LITTLE PUNCH IN THE WAY OF COLDER TEMPS. KEPT CHC POPS TIL MIDNIGHT WITH FROPA THRU THE FA BY 6Z AND SHUD BE DRY THEREAFTER. MAV GUIDANCE PRETTY COOL GIVEN H8 TEMPS AND THICKNESSES SO WENT CLOSER TO MET. FRI...TOOK A DEGREE OR TWO OFF MAV NUMBERS FOR HIGHS IN THE MID 80S NE TO LOW 90S SW AND DEWPTS DOWN TO THE MID 60S. FELT MET WAS TOO COLD BASED ON H8 TEMPS...FULL SUNSHINE AND RECENT COOL BIAS. COOLER HIGHS COMBINED WITH DRIER DEWPTS WILL MAKE CONDITIONS A LITTLE MORE TOLERABLE FOR THE NEXT COUPLE DAYS. FRI NT...USED WARMER MET NUMBERS. MAV TOO COOL GIVEN EXPECTED H8 TEMPS AND THICKNESSES EVEN WITH MO CLR SKIES AND GOOD RADIATIONAL COOLING. ENSEMBLES SHOW DROP IN H8 TEMPS AND THICKNESSES ON FRI AND SAT BUT REBOUNDING BY SUN. RIDGE RETROGRADES A BIT TO BE CENTERED OVR THE CENTRAL US AGAIN BY SUN. POSSIBILITIES OF MCS FORMATION EARLY IN THE WEEK AROUND THE EDGE OF THE RIDGE BUT NOTHING CONSISTENT IN THE MODELS. WENT WITH HPC HANDLING OF THIS KEEPING IT DRY. && .AVIATION... DISCUSSION FOR 18Z TAFS. NO DRAMATIC CHANGES TO EXISTING TAFS. UNSTABLE AIR ALONG WITH SFC BNDRY OVR CENTRAL IL AND INDIANA WIL HELP DVLP SCT CB FROM TAF START INTO 01Z-02Z. XPCT BY 02Z FOR STORMS TO EITHER HAVE MOVED EAST OF TAF SITES OR DIMINISHED AS AIR SLGTLY STABILIZES. LIKE LAST COUPLE DAYS AIR MASS PRETTY CLEAN AND DO NOT ANTICIPATE BELOW VFR XCP BRIEF VSBY REDUCTION SHOULD CB PASS ACROSS TAF SITE. HAVE PUT CB COVERAGE SLGTLY HIGHER AT NRN TAF SITES IND AND LAF IN LINE WITH DEVELOPMENT OVER ILLINOIS AND MODEL FCST DATA. && .IND WATCHES/WARNINGS/ADVISORIES... HEAT ADVISORY UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING FOR INZ021- 028>031-035>049-051>057-060>065-067>072. HEAT ADVISORY FROM 12 PM EDT /11 AM CDT/ TO 8 PM EDT /7 PM CDT/ THURSDAY FOR INZ021-028>031-035>049-051>057-060>065-067>072. && AVIATION/SHORT TERM...DT LONG TERM...CP
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 420 PM EDT WED AUG 8 2007 INZ028-029-035>037-039-043>049-051>057-060>065-067>072-092030- WARREN-TIPPECANOE-FOUNTAIN-MONTGOMERY-BOONE-HAMILTON-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- 420 PM EDT WED AUG 8 2007 /320 PM CDT WED AUG 8 2007/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA. .DAY ONE...LATE THIS AFTERNOON AND TONIGHT. VERY HOT AND HUMID WEATHER WILL CONTINUE INTO EARLY EVENING. HEAT INDEX VALUES AROUND 105 DEGREES OR HIGHER CAN BE EXPECTED. A HEAT ADVISORY IS IN EFFECT FOR ALL OF CENTRAL INDIANA THROUGH 800 PM EDT /700 PM CDT/. SCATTERED THUNDERSTORMS WILL OCCUR THROUGH TONIGHT. WIDESPREAD SEVERE WEATHER IS NOT EXPECTED....BUT AN ISOLATED SEVERE STORM WITH DAMAGING WINDS IS POSSIBLE. STORMS WILL ALSO PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING STRIKES. HEAVY DOWNPOURS ARE ALSO POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. HIGH TEMPERATURES ON THURSDAY WILL AGAIN REACH THE MID TO UPPER 90S. THE HEAT COMBINED WITH DEW POINT TEMPERATURES IN THE LOWER 70S WILL ALLOW THE HEAT INDEX TO REACH 105 DEGREES AT TIMES DURING THE AFTERNOON. A HEAT ADVISORY IS IN EFFECT FOR ALL OF CENTRAL INDIANA ON THURSDAY. THUNDERSTORMS WILL BE POSSIBLE THURSDAY AFTERNOON AND EVENING AS A LOW PRESSURE SYSTEM TRACKS ACROSS THE SOUTHERN GREAT LAKES. THE STORMS ARE NOT EXPECTED TO BE SEVERE. HEAVY DOWNPOURS WILL BE POSSIBLE IN THE STORMS...AND LIGHTNING IS ALWAYS A HAZARD FROM ANY THUNDERSTORM. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. && MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL LOWERCASE) INZ021-030-031-038-040>042-092030- CARROLL-CLINTON-HOWARD-TIPTON-MADISON-DELAWARE-RANDOLPH- 420 PM EDT WED AUG 8 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST SECTIONS OF CENTRAL INDIANA. .DAY ONE...LATE THIS AFTERNOON AND TONIGHT. VERY HOT AND HUMID WEATHER WILL CONTINUE INTO EARLY EVENING. HEAT INDEX VALUES AROUND 105 DEGREES CAN BE EXPECTED. A HEAT ADVISORY IS IN EFFECT FOR ALL OF CENTRAL INDIANA THROUGH 800 PM EDT. SCATTERED THUNDERSTORMS WILL OCCUR THROUGH TONIGHT. WIDESPREAD SEVERE WEATHER IS NOT EXPECTED....BUT AN ISOLATED SEVERE STORM WITH DAMAGING WINDS IS POSSIBLE. STORMS WILL ALSO PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING STRIKES. HEAVY DOWNPOURS ARE ALSO POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. TEMPERATURES WILL AGAIN REACH THE MID 90S ON THURSDAY. THE HEAT COMBINED WITH DEW POINT TEMPERATURES IN THE LOWER 70S WILL ALLOW THE HEAT INDEX TO APPROACH 105 DEGREES AT TIMES DURING THE AFTERNOON. A HEAT ADVISORY IS IN EFFECT FOR ALL OF CENTRAL INDIANA ON THURSDAY. THUNDERSTORMS WILL BE POSSIBLE THURSDAY AFTERNOON AND EVENING AS A LOW PRESSURE SYSTEM TRACKS ACROSS THE SOUTHERN GREAT LAKES. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS NORTHEAST AND NORTH CENTRAL INDIANA WITH DAMAGING WIND GUSTS BEING THE PRIMARY THREAT. A WIDESPREAD SEVERE OUTBREAK IS NOT EXPECTED. VERY HEAVY DOWNPOURS WILL BE POSSIBLE IN THE STORMS...AND LIGHTNING IS ALWAYS A HAZARD FROM ANY THUNDERSTORM. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. && MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL LOWERCASE)
The Indianapolis radar (KIND), 60 km away, was scanning. The volume nearest the first event began at 20:51 UTC.
4 thunderstorm wind. Local standard time, as filed.
Damaging thunderstorm winds caused trees to be uprooted and caused down power lines in northeast portions of Hancock County.
Damaging thunderstorm winds caused trees to be uprooted and power lines to be down.
A trained spotter estimated a thunderstorm wind gust of 60 MPH in Kennard.
Damaging winds caused two large trees to be uprooted.
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: 47415, 47416, 47417, 47418.