Flash Flood, Dubois
- When
- July 20, 7:30 AM EST to 9:30 AM EST
- Where
- Dubois County, Countywide
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 38.364, -86.880 (the zone’s center; the record gives no point)
Flash Flood in Indiana, July 20, 2001
Water was reported across many county roads.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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.
What happened
The episode as NWS LMK wrote it up.
Water was reported across many county roads.
What forecasters said that day
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 Louisville, KY wrote its last area forecast discussion before the first event at Jul 20, 2:55 AM EST, 4 hours 35 minutes earlier.
Area forecast discussion, Jul 20, 2:55 AM EST, 4 hours 35 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LOUISVILLE KY 355 AM EDT FRI JUL 20 2001 OUR BEST ESTIMATE...FOR S/W AXIS LOCATION ERY THIS MRNG ACRS THE MID MISSISSIPPI VLY...WAS FM E-CNTRL MO TO CNTRL IL...PER WATER VAPOR IMAGERY. MODELS SIMILIAR IN TAKING THIS FEATURE SEWD BY ERY AFTN INTO TN...ALTHOUGH CONVECTIVE BLOW-UP FM AVN LKS UNREASONABLE. SCT SHWRS/TSTMS SHUD CLIP OUR WRN FA THIS MRNG... ALNG H85 THETA-E & INSTABILITY AXIS. ROGUE SHWRS PSBL EVERYWHERE ELSE THIS MRNG...IN TROPICAL LIKE AIRMASS. WE HAVE FOLLOWED TIME SECTION TRENDS IN OUR NRN FORECAST AREA (FA) TRYING TO THIN CLDS OUT THIS AFTN. QUESTION THEN WILL SUBSIDENCE...IN WAKE OF S/W...QUELL ANY AFTERNOON TSTM POTENTIAL? SINCE WE ARE GOING FOR SOME CLRG (MNLY NORTH) EXPECT TO REACH OUR CONVECTIVE TEMPS...WITH WDLY SCT TO SCT RANDOM TSTMS PSBL IN HEAT AND HUMIDITY OF AFTN ACRS ENTIRE FA. WE ARE CLOSE TO BOTH NGM AND AVN MOS GUIDE TDA NORTH...AND JUST A TAD UNDER GUIDE IN THE SOUTH. WILL LET DAY CREW INSERT (IF NEEDED) EVNG CONVECTIVE POTENTIAL...BUT AT THIS POINT WUD HAVE TO BLANKET ENTIRE AREA WITH A SMALL POP AND PREFER NOT TO GO THAT ROUTE. FOG AGAIN LATE TNGT IN JUICY AIRMASS. LACK OF ANY FOCUSING MECHANISM ON SATURDAY SUGGESTS ISO TO WDLY SCT TSTMS AT BEST...BELOW THRESHOLD TO MENTION THIS FAR OUT. ETA THEN SHOWING DECENT POTENTIAL FOR MCS DEVELOPING UPSTREAM SAT NIGHT AND ROLLING SEWD IN VEERING LLJ. BELEIVE THIS ACTIVITY WUD NOT REACH OUR FA UNTIL SUNDAY. WILL GO AHEAD AND ADD POPS ACRS OUR ENTIRE RGN ON SUNDAY. LESS CLDS ON SATURDAY SHUD MEAN A DEGREE OR TWO BETTER ON HIGH TEMPERATURES...COMPARED TO TDA...CONSIDERING LTL CHANGE IN OVERALL THERMAL PROFILE. .SDF...NONE. STUREY
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 flash flood. Local standard time, as filed.
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Wisconsin, July 20, 2001
- Tornadoes and Hail in Montana, July 20, 2001
- Hail and Damaging Winds in North Dakota, July 20, 2001
- Damaging Wind and Lightning Strike in Georgia, July 20, 2001
- Hail in South Dakota, July 20, 2001
- Flash Flooding in Indiana, July 20, 2001
- Flash Flooding in Montana, July 20, 2001
- Hail and Damaging Wind in Nebraska, July 20, 2001
- High Surf in Hawaii, July 20 to 23, 2001
- Damaging Wind in North Dakota, July 20, 2001
- Damaging Wind in North Dakota, July 20, 2001
- Hail in North Dakota, July 20, 2001
More
Every storm in Indiana in 2001Every state in 2001This day in weather historyWarnings in Indiana, July 2001
Sources
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: 5257900.