Due to 6-day rainfall amounts of 5 to 7 inches, the Embarras River spilled out of its banks in many locations across Jasper and Crawford Counties. 56 feet at Ste.
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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 ILX wrote it up.
Due to 6-day rainfall amounts of 5 to 7 inches, the Embarras River spilled out of its banks in many locations across Jasper and Crawford Counties. The river crested in moderate flood stage at 25.56 feet at Ste. Marie in Jasper County and at 21.3 feet at Oblong in Crawford County on May 6th. During this period of very high river levels, the Green Brier Levee located about 6 miles south of Oblong in southwest Crawford County was overtopped in 3 locations during the afternoon of May 6th. As a result, surrounding farmland and several rural roads were flooded. The flooding gradually subsided by the afternoon of May 8th.
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 May 6, 11:48 AM CST, 1 hour 42 minutes earlier.
Area Forecast Discussion National Weather Service Lincoln IL 1248 PM CDT Sat May 6 2017 .UPDATE... Issued at 900 AM CDT Sat May 6 2017 Forecast was updated twice early this morning to address diminishing chances of light rain showers over eastern IL. Have 20-30% chance of showers next few hours south of I-74 and east of I-57 with mostly cloudy skies this morning, then becoming mostly sunny in the afternoon. Already have mostly sunny skies over areas from Galesburg to Lincoln to Effingham sw and this will continue the rest of today. Highs this afternoon to range from the upper 50s ne of Champaign, to the mid 60s over western CWA from Peoria to Springfield west. North winds picking up to 10-15 mph with gusts of 20-25 mph later this morning and afternoon, then diminishing back to 5-10 mph toward sunset early this evening. && .SHORT TERM...(Today and tonight) ISSUED AT 245 AM CDT Sat May 6 2017 Fast moving shortwave is dropping southeastward, and parent low pressure was centered near Galesburg at 2 am. Showers are quickly spreading across the northeast half of the forecast area, and have updated rain trends into early morning to increase PoP's. Some isolated storms were in northwest Illinois and tracking southeast, but anything that makes it this far would be weakening and will only mention isolated thunder across the northern CWA. Short-range high-res models are in good agreement that much of this should be out of the forecast area by mid-morning, with some lingering showers over the southeast CWA exiting before noon. Rather breezy behind this feature with some gusts of 20-25 mph through the day. Coolest conditions will be over the east where the clouds will hang on longer, mainly near 60, with mid 60s over the west. Skies quickly clear and winds diminish as a ridge of high pressure builds across the state this evening. Patchy frost possible across the far east/northeast CWA as temperatures dip into the 30s, but currently does not seem to be a widespread enough of a threat to require an advisory. .LONG TERM...(Sunday through Friday) ISSUED AT 245 AM CDT Sat May 6 2017 Upper level ridge currently along the east slopes of the Rockies will edge eastward, but not in any particular hurry as our deep upper trough over the eastern U.S. closes off somewhat. Early in the new week, the ridge will get a nudge eastward by a cutoff low that forms near Los Angeles later today. These two lows really don't make any significant progress until around Thursday, and waves of energy will slide southeast along the periphery of the ridge. This will result in a rather prolonged period of rain chances beginning on Monday, with the highest chances in the Wednesday-Thursday time frame as the southwest low finally makes some headway and moves into the Texas/Oklahoma panhandle region. None of the rain is expected to be especially heavy at any given time, but another inch is feasible over the middle of the state over the course of the week. The axis of higher rain will be where a frontal boundary starts to sharpen up around mid week, as the ridge flattens out and the upper low ejects northeast. While temperatures on average will remain below normal much of the time, the position of the ridge will result in a rather sharp contrast in highs on Monday and Tuesday. && .AVIATION...(For the 18Z TAFS through 18Z Sunday afternoon) Issued at 1248 PM CDT Sat May 6 2017 A broken cumulus cloud field with bases of 3-6k ft over central IL into mid afternoon with mainly VFR ceilings, though briefing MVFR ceilings of 2.5-3k ft possible next 1-2 hours at BMI, DEC and CMI. Cumulus clouds will decrease/scatter out by late afternoon and clear by sunset. Scattered to possibly broken mid level clouds of 10-15k ft will arrive from the nw during mid/late Sunday morning ahead of a developing warm front west of IL. Breezy northerly winds of 10-16 kts and gusts to around 20 kts, will diminish light by sunset, then be NNW to NW at 6-10 kts after 14Z/Sunday. && .ILX WATCHES/WARNINGS/ADVISORIES... NONE. && UPDATE...07 SHORT TERM...Geelhart LONG TERM...Geelhart AVIATION...07
Hazardous Weather Outlook National Weather Service Lincoln IL 1134 AM CDT Sat May 6 2017 ILZ027>031-036>038-040>054-061-066-071-071100- Cass-Champaign-Christian-Clay-De Witt-Effingham-Fulton-Knox-Logan- Macon-Marshall-Mason-McLean-Menard-Morgan-Moultrie-Peoria-Piatt- Sangamon-Schuyler-Scott-Shelby-Stark-Tazewell-Vermilion-Woodford- 1134 AM CDT Sat May 6 2017 This Hazardous Weather Outlook is for portions of central Illinois, east central Illinois, southeast Illinois and west central Illinois. .DAY ONE...THIS AFTERNOON AND TONIGHT... The Illinois River, as well as portions of the Little Wabash and Sangamon Rivers remain in flood. Patchy frost will be possible north of I-74 tonight into Sunday morning. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... The Illinois River, as well as portions of the Little Wabash and Sangamon Rivers will remain in flood for the entire period. Please see the applicable flood warnings for details. Isolated to scattered thunderstorms will be possible Tuesday into Thursday. It is too early to determine severe weather possibilities at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated through tonight. ILZ055>057-062-063-067-068-072-073-071100- Clark-Coles-Crawford-Cumberland-Douglas-Edgar-Jasper-Lawrence- Richland- 1134 AM CDT Sat May 6 2017 This Hazardous Weather Outlook is for portions of east central Illinois and southeast Illinois. .DAY ONE...THIS AFTERNOON AND TONIGHT... Several rural roadways, as well as farmland and rivers, remain flooded due to recent heavy rainfall. The Embarras and Wabash Rivers remain in flood. Patchy frost will be possible east of I-57 and north of I-70 tonight and Sunday morning. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY... Minor to moderate flooding will continue along portions of the Embarras and Wabash Rivers. Please see the applicable flood warnings for details. Isolated to scattered thunderstorms will be possible Tuesday into Thursday. It is too early to determine severe weather possibilities at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated through tonight. Smith
The Evansville,IN radar (KVWX), 72 km away, was scanning. The volume nearest the first event began at 19:29 UTC.
1 flash flood, 1 flood. Local standard time, as filed.
The Green Brier Levee on the Embarras River in rural southwest Crawford County was breached in three locations during the afternoon of May 6th. Several rural roads along the river, between Green Brier and Landes were closed due to the flash flooding caused by the levee breach.
The Green Brier Levee on the Embarras River in rural southwest Crawford County was breached in three locations during the afternoon of May 6th. Several rural roads along the river, between Green Brier and Landes were closed due to the flash flooding caused by the levee breach. Flooding of the rural roads continued through the afternoon of May 7th as the water slowly receded. The flood waters finally receded, allowing roads to be re-opened, by the early afternoon of May 8th.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Illinois in 2017Every state in 2017This day in weather historyWarnings in Illinois, May 2017
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: 697061, 697062.