Illinois, 2002Flash Flood in Illinois, August 5 to 6, 2002
August 5 to 6, 2002 · NWS ILX · 1 event in 1 county or zone
1 flash flood, as filed by the National Weather Service.
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
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- 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 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 Lincoln, IL wrote its last area forecast discussion before the first event at Aug 5, 8:20 PM CST, 1 hour 40 minutes earlier.
Area forecast discussion, Aug 5, 8:20 PM CST, 1 hour 40 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
920 PM CDT MON AUG 5 2002
ISOLATED STORMS CONTINUE ACROSS NORTHERN AND WESTERN FORECAST AREA
ATTM. WILL KEEP POPS GOING AS 00Z RUC AND 00Z ETA BOTH SUGGEST SOME
ACTIVITY ASSOCIATED WITH WEAK MID-LEVEL IMPULSE SHOULD PERSIST
THROUGH NEXT FEW HOURS.
.ILX...NONE.
BARKER
In the hours before
Local storm report, Aug 5, 4:49 PM CST, 5 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN, IL
549 PM CDT MON AUG 5 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0522 PM 5 SE JACKSONVILLE IL WIND DAMAGE
08/05/02 MORGAN TREES BLOWN DOWN 5 MILES
SOUTHEAST OF JACKSONVILLE.
PUBLIC REPORT.Flash Flood, Cass
- When
- August 5, 10:00 PM CST to August 6, 2:00 AM CST
- Where
- Cass County, 2 mi S of Bluff Spgs
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 39.974, -90.247 (the zone’s center; the record gives no point)
Between 5 and 6 inches of rain fell in a short amount of time in an area around Bluff Springs. Numerous farm fields were flooded as well as a couple of rural roads. A couple of small levees were breached, allowing water to flood the farm fields. No buildings or residences were involved.
- 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.
- Lightning Strike in Florida, August 5, 20021 death · 1 event
- Lightning Strikes in Maine, August 5, 20021 injured · $100,000 · 2 events
- Flash Flood in Colorado, August 5, 2002$100,000 · 1 event
- Flash Flooding and Damaging Wind in Arizona, August 5, 2002$75,000 · 69 kt wind · 3 events
- Flash Flood in Mississippi, August 5, 2002$50,000 · 1 event
- Flash Flood in Colorado, August 5, 2002$50,000 · 1 event
- Damaging Winds in Tennessee, August 5, 2002$45,000 · 2 events
- Lightning Strike in New Jersey, August 5, 20021 injured · $30,000 · 1 event
- Flash Flood and Hail in Colorado, August 5, 20022 injured · 1.75 in hail · 9 events
- Hail and Damaging Winds in Maryland, August 5, 2002$24,000 · 0.88 in hail · 6 events
- Lightning Strike in Alabama, August 5, 20022 injured · 1 event
- Damaging Winds and Lightning Strike in Florida, August 5, 2002$15,000 · 50 kt wind · 3 events
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: 5314832.