A brief, isolated thunderstorm developed on the border between Illinois and Indiana during the early evening hours on the 26th of July. This storm moved into Vigo County and produced wind damage just south of Terre Haute, with reports of trees down.
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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.
A brief, isolated thunderstorm developed on the border between Illinois and Indiana during the early evening hours on the 26th of July. This storm moved into Vigo County and produced wind damage just south of Terre Haute, with reports of trees down.
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 Jul 26, 4:08 PM EST, 1 hour 42 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE INDIANAPOLIS IN 508 PM EDT TUE JUL 26 2011 .UPDATE... THE AVIATION SECTION HAS BEEN UPDATED BELOW. && .SYNOPSIS... TEMPS WILL CONTINUE TO INCREASE THROUGH THURSDAY AS HIGH PRESSURE DOMINATES THE FORECAST AREA. HOWEVER...THERE WILL BE A BRIEF REPRIEVE FROM THE PERSISTENT WEATHER PATTERN AT THE END OF THE WEEK. A COLD FRONT IS PROGGED TO MOVE ACROSS CENTRAL INDIANA ON FRIDAY/FRIDAY NIGHT BRINGING THE NEXT CHANCE FOR SHOWERS AND THUNDERSTORMS. TEMPS WILL BE A TAD COOLER OVER THE WEEKEND...BUT WILL STILL TOP OFF IN THE UPPER 80S. && .NEAR TERM /THIS EVENING AND TONIGHT/... ISOLATED THUNDERSTORMS WILL BE POSSIBLE THIS EVENING DUE TO A FRONT EXTENDING FROM SOUTHERN INDIANA TO EASTERN IOWA. CONVECTION HAS BEEN DEVELOPING OVER PORTIONS OF CENTRAL ILLINOIS OVER THE LAST HOUR. AS A RESULT...INSERTED SLIGHT POPS ACROSS WESTERN HALF OF FORECAST AREA. ISOLATED STORMS WILL BE POSSIBLE THROUGH SUNSET...AND WILL THEN WEAKEN WITH LOSS OF DAYTIME HEATING. NOT EXPECTING ANY SEVERE WEATHER...BUT A FEW OF THE STRONGER STORMS COULD PRODUCE GUSTY WINDS AND SMALL HAIL. TEMPS...TRENDED A LITTLE ON THE COOLER SIDE TONIGHT...SKIES WILL BE CLEAR WITH LIGHT WINDS. DID NOT MENTION FOG IN GRIDS AT THIS TIME...BUT SHOULD MONITOR THROUGH THE EVENING AND CONSIDER INSERTING IN EVENING UPDATE. && .SHORT TERM /TOMORROW THROUGH FRIDAY/... HIGH PRESSURE WILL BE ANCHORED OVER CENTRAL INDIANA FOR THE MAJORITY OF THE SHORT TERM FORECAST. TEMPS AND DEWPOINTS WILL GRADUALLY INCREASE THROUGH THE WEEK...TOPPING OFF IN THE UPPER 90S AND LOW TO MID 70S...RESPECTIVELY...BY THURSDAY. TIME CROSS SECTIONS ARE SUPPORTING THIS WITH 850 MB TEMPS OF 22-24C. A COLD FRONT WILL START APPROACHING THE NORTHWEST PORTIONS OF CENTRAL INDIANA ON THURSDAY EVENING...AND WILL THEN SPREAD ACROSS THE REMAINDER OF CENTRAL INDIANA ON FRIDAY. ONCE AGAIN...THIS FRONT WILL HAVE LITTLE EFFECT ON TEMPS. TEMPS...MODELS ARE IN GOOD AGREEMENT...SO GENERALLY WENT WITH A BLEND. HOWEVER...DID TREND ON THE WARMER SIDE WITH THURSDAY AND FRIDAY/S HIGHS DUE TO SOUTHWEST FLOW. HEAT ADVISORY MAY HAVE TO BE CONSIDERED FOR THURSDAY AS HEAT INDICES APPROACH THE 104-107 RANGE. && .LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/... THERE WILL BE A BREAK IN THE CURRENT WEATHER PATTERN AS A COLD FRONT MOVES THROUGH CENTRAL INDIANA ON FRIDAY AND SATURDAY. GFS AND EURO BOTH SUPPORT HPC GUIDANCE IN REGARD TO TIMING OF FRONT...WHICH IS PROGGED TO MOVE ACROSS FORECAST AREA ON FRIDAY. LATEST MODEL RUNS ARE SHOWING IT STALLING OUT OVER SOUTHERN INDIANA ON FRIDAY EVENING/NIGHT. AS A RESULT...HELD ONTO CHANCE POPS FOR MOST OF SATURDAY...WITH THE BEST CHANCES OVER THE SOUTHERN COUNTIES. ATTENTION THEN TURNS TO A WARM FRONT EXPECTED TO PUSH INTO CENTRAL INDIANA AT THE BEGINNING OF NEXT WEEK. HPC GUIDANCE WAS SHOWING SLIGHT CHANCE POPS DURING THIS TIME FRAME. HOWEVER...REMOVED ALL MENTION OF PRECIP AT THIS TIME...NOT SEEING ANYTHING THAT WOULD REALLY SUPPORT IT. LARGE RIDGE OF HIGH PRESSURE ALOFT WILL MOST LIKELY SUPPRESS DEVELOPMENT. TEMPS...STUCK CLOSE TO HPC GUIDANCE FOR THE MOST PART. HOWEVER...CONFIDENCE IS NOT HIGH IN REGARD TO OVERNIGHT LOWS. AT TIMES...IT SEEMS HPC MIGHT BE A BIT LOW...ESPECIALLY FOR THE TREND OVER THE LAST SEVERAL WEEKS. ON THE OTHER HAND...SKIES WILL BE CLEAR ON THE NIGHTS IN QUESTION. WILL STICK WITH HPC FOR NOW SINCE IT WOULD ONLY BE A MATTER OF A FEW DEGREES ANYWAY. && .AVIATION.../FOR THE 26/21Z IND TAF UPDATE/... NO CHANGES NECESSARY. PREVIOUS DISCUSSION FOLLOWS. HIGH PRESSURE WITH WEAK FLOW REMAINING OVER AREA. SCT TO BKN DIURNAL CUMULUS 4-5 THOUSAND FEET. OTHERWISE MOSTLY CLEAR. VISIBILITIES P6SM THROUGH EVENING. WIDESPREAD IFR VISIBILITIES IN FOG FROM LATE TONIGHT UNTIL A FEW HOURS AFTER DAWN...THEN VISIBILITIES RETURNING TO P6SM. && .IND WATCHES/WARNINGS/ADVISORIES...NONE. && SYNOPSIS...TDUD NEAR TERM...TDUD SHORT TERM...TDUD LONG TERM....TDUD AVIATION...JK/NIELD
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 303 PM EDT TUE JUL 26 2011 INZ021-028>031-035>049-051>057-060>065-067>072-271915- 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- 303 PM EDT TUE JUL 26 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA. .DAY ONE...THIS AFTERNOON AND TONIGHT. ISOLATED THUNDERSTORMS WILL BE POSSIBLE THROUGH THIS EVENING. THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING GUSTY WINDS...FREQUENT LIGHTNING...SMALL HAIL...AND BRIEF DOWNPOURS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. HEAT INDEX READINGS MAY APPROACH 100 DEGREES WEDNESDAY AFTERNOON...AND AROUND 100 TO 105 THURSDAY AND FRIDAY AFTERNOON. THUNDERSTORMS ARE POSSIBLE FRIDAY THROUGH SATURDAY. THESE STORMS ARE NOT EXPECTED TO BE SEVERE. HOWEVER...LIGHTNING IS A THREAT 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)
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 550 PM EDT TUE JUL 26 2011 INZ051-060-262230- SULLIVAN-VIGO- 550 PM EDT TUE JUL 26 2011 ...STRONG THUNDERSTORM ADVISORY FOR NORTHEASTERN SULLIVAN AND SOUTHEASTERN VIGO COUNTIES UNTIL 630 PM EDT... AT 546 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8 MILES SOUTH OF TERRE HAUTE...MOVING SOUTH AT 10 MPH. HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. THIS STORM WILL BE NEAR... PIMENTO AROUND 610 PM EDT... FARMERSBURG AROUND 630 PM EDT... IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. IN ADDITION...THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. && LAT...LON 3921 8724 3922 8751 3943 8743 3942 8724 TIME...MOT...LOC 2150Z 001DEG 9KT 3935 8738 NIELD
The Indianapolis radar (KIND), 99 km away, was scanning. The volume nearest the first event began at 22:51 UTC.
1 thunderstorm wind. Local standard time, as filed.
There were several reports of trees down and power outages in this location due to damaging thunderstorm wind gusts.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Indiana in 2011Every state in 2011This day in weather historyWarnings in Indiana, July 2011
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: 337617.