Illinois, 2009

Flooding in Illinois, May 16 to 21, 2009

May 16 to 21, 2009 · NWS ILX · 2 events in 2 counties and zones

Several rounds of heavy rainfall in west central Illinois resulted in major flooding on the Spoon River in eastern Knox County and Fulton County. One man died when he drove his vehicle around a barricade and drowned in the Spoon River.

Where it happened

Every event with a place to put it. 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

Open the live radar over this ground

The toll

Deaths
1
Injuries
0
Property damage
None recorded
Crop damage
$5.5 million
Events
2

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 ILX wrote it up.

Several rounds of heavy rainfall in west central Illinois resulted in major flooding on the Spoon River in eastern Knox County and Fulton County. One man died when he drove his vehicle around a barricade and drowned in the Spoon River. Three levees also broke and flooded agricultural areas and grasslands, but there was no property damage reported.

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 May 16, 5:40 AM CST, 1 hour 50 minutes earlier.

Area forecast discussion, May 16, 5:40 AM CST, 1 hour 50 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
640 AM CDT SAT MAY 16 2009

.DISCUSSION...
ISSUED 141 AM CDT SAT MAY 16 2009

MAIN CONCERNS WITH THIS FORECAST PACKAGE ARE LINGERING RAIN
CHANCES THIS MORNING...AND LOW TEMPS TONIGHT.

06Z ANALYSIS SHOWS LINE OF STRONG TO SEVERE CONVECTION FROM
EARLIER IN THE EVENING NOW WEAKENING ACROSS THE OHIO RIVER VALLEY.
PLENTY OF CLOUDS AND A FEW LINGERING SHOWERS REMAIN IN ITS WAKE
ACROSS CENTRAL ILLINOIS. MEANWHILE...STRONG COLD FRONT IS PUSHING
TOWARD THE MISSISSIPPI RIVER...WITH CONSIDERABLY COOLER AND DRIER
AIRMASS NOTED BEHIND THE BOUNDARY THANKS TO 1028MB CANADIAN HIGH
PRESSURE.

SHORT TERM...TODAY THROUGH MONDAY

00Z 16 MAY GFS DID NOT ADEQUATELY LATCH ONTO MESOSCALE PROCESSES
DRIVING EARLIER CONVECTION AND IS THEREFORE ABOUT 6 HOURS TOO
SLOW WITH THE EXIT OF THE CURRENT PRECIP AREA. NAM-WRF APPEARS TO
HAVE A MUCH BETTER HANDLE ON THE SITUATION...ESPECIALLY BASED ON
LATEST RADAR TRENDS AND ACCELERATION OF APPROACHING FRONT. HAVE
THEREFORE TRENDED CLOSEST TO ITS SOLUTION...RESULTING IN A FEW
LINGERING SHOWERS ALONG AND SOUTH OF I-70 DURING THE MORNING.

SKY COVER WILL ALSO BE A BIG ISSUE TODAY...AS CLEARING MAY BE SLOW
TO OCCUR. MUCH DRIER AIRMASS IS PUSHING SOUTHEASTWARD ACROSS THE
DAKOTAS/NORTHWEST IOWA...WITH DEWPOINTS CURRENTLY ONLY IN THE 30S.
HOWEVER...QUITE A BIT OF MID/LOW CLOUDINESS IS NOTED AHEAD OF
VIGOROUS SHORT-WAVE ACROSS THE UPPER MIDWEST AND PLENTY OF HIGH
CLOUDS CONTINUE TO STREAM UP BACK SIDE OF FRONT AS FAR WEST AS
EASTERN NEBRASKA/WESTERN IOWA. BASED ON NAM-WRF RH PROFILES AND
LATEST SATELLITE LOOPS...HAVE OPTED TO START THE DAY MOSTLY
CLOUDY ACROSS THE BOARD. CLEARING WILL WORK ITS WAY INTO THE
ILLINOIS RIVER VALLEY BY MID TO LATE MORNING...THEN FURTHER
SOUTHEAST TO THE I-72 CORRIDOR BY EARLY AFTERNOON. SKIES WILL
LIKELY REMAIN MOSTLY CLOUDY ALONG AND SOUTH OF I-70 UNTIL EARLY
EVENING.

WILL BE BREEZY AND QUITE A BIT COOLER TODAY THAN IT HAS BEEN IN
RECENT DAYS. UPSTREAM OBS ARE SHOWING NW WIND GUSTS BEHIND THE
FRONT ACROSS IOWA ON THE ORDER OF 30 TO 35MPH...AND FORECAST
SOUNDINGS SUPPORT THESE GUSTS SPREADING ACROSS CENTRAL ILLINOIS
TODAY. DESPITE STRONG CAA AND AMPLE CLOUD COVER FOR THE MORNING
HOURS...WILL GENERALLY GO AT OR SLIGHTLY ABOVE MAV GUIDANCE
NUMBERS TODAY...THINKING THAT STRONG MAY SUNSHINE THIS AFTERNOON
WILL MITIGATE THE COOLING SOMEWHAT. WILL GO WITH MIDDLE TO UPPER
60S...WITH LOWER 70S FAR SOUTHEAST.

UNSEASONABLY STRONG HIGH PRESSURE BUILDS INTO THE MISSISSIPPI
RIVER VALLEY TONIGHT...PROVIDING CLEAR SKIES AND DIMINISHING
WINDS. WITH MIDDLE TO UPPER 30S DEWPOINT AIR ADVECTING INTO THE
REGION AND EXCELLENT RADIATIONAL COOLING DEVELOPING...WILL BE A
VERY CHILLY NIGHT. WILL GENERALLY GO WITH LOWS AROUND THE 40
DEGREE MARK...WITH A FEW UPPER 30S IN RURAL AND LOW-LYING AREAS.

COOL AND DRY WEATHER WILL CONTINUE ON SUNDAY WITH HIGHS ONLY
REACHING THE LOWER TO MIDDLE 60S. LOWS SUNDAY NIGHT WILL NOT BE
QUITE AS COLD AS TONIGHT...AS A WEAK SHORT-WAVE DROPS
SOUTHEASTWARD THROUGH THE AREA...CREATING AN ENHANCED BAND OF MID
AND HIGH-LEVEL MOISTURE. RESULTING PARTIAL CLOUD COVER WILL KEEP
TEMPS IN THE LOWER TO MIDDLE 40S.

LONG TERM...TUESDAY THROUGH FRIDAY

RATHER TRANQUIL EXTENDED FORECAST SETTING UP...WITH A PRONOUNCED
WARMING TREND COMING UP BY THE MIDDLE AND END OF NEXT WEEK. WEAK
COLD FRONT IS PROGGED BY THE NAM-WRF/GFS/ECMWF TO SAG SOUTHWARD
INTO NORTHERN ILLINOIS LATE MONDAY NIGHT. GFS TAKES FRONT AS FAR
SOUTH AS THE NORTHERN KILX CWA ON TUESDAY...BEFORE RETURNING IT
BACK NORTHWARD ON WEDNESDAY. ADEQUATE GULF MOISTURE WILL NOT HAVE
A CHANCE TO RETURN NORTHWARD DUE TO PREVIOUS HIGH PRESSURE
SYSTEM...SO DO NOT THINK RAIN CHANCES WITH THE FRONT WILL BE
SIGNIFICANT. BOTH THE GFS AND ECMWF DEVELOP LIGHT PRECIP ACROSS
THE NORTH TUESDAY/TUESDAY NIGHT...HOWEVER WILL ONLY INCREASE CLOUD
COVER AND INTRODUCE SLIGHT CHANCE POPS AT THIS TIME. MODELS IN
MUCH BETTER AGREEMENT CONCERNING THE LATTER PERIODS...AS 00Z 16
MAY GFS NOW EXHIBITS STRONGER RIDGING DEVELOPING ACROSS THE
MIDWEST...MUCH LIKE THE 12Z 15 MAY ECMWF DID. END RESULT WILL BE
HIGH TEMPS CLIMBING ABOVE NORMAL INTO THE LOWER 80S BY THURSDAY.

BARNES

&&

.AVIATION...
ISSUED 640 AM CDT SAT MAY 16 2009...FOR THE 12Z TAFS

THE COLD FRONT HAS ONLY PASSED PIA SO FAR THIS MORNING. DRIZZLE
AND SPRINKLES CONTINUE TO DRIFT ACROSS THE TAF SITES ALONG AND
AHEAD OF THE COLD FRONT. WILL KEEP A TEMPO FOR IFR CIGS AND -RADZ
AT ALL TAF SITES THROUGH 15Z. THE FRONT IS PICKING UP SPEED...SO
MVFR CIGS SHOULD ONLY LINGER THROUGH 17Z/18Z.

NORTHWEST WINDS WILL INCREASE THIS MORNING...WITH GUSTS TO 25 KTS
AT TIMES. GUSTS SHOULD DIMINISH BY 00Z...WITH LIGHT NW WINDS AND
CLEAR SKIES OVERNIGHT. FOR NOW...WILL NOT FORECAST ANY FOG FOR
SUNDAY MORNING...PER FORECAST SOUNDINGS AND GUID OUTPUT.

SHIMON
&&

.ILX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&
Hazardous weather outlook, May 16, 5:16 AM CST, 2 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
616 AM CDT SAT MAY 16 2009

ILZ027>031-036-037-040-041-047-049-050-171100-
CASS-FULTON-KNOX-MARSHALL-MASON-MORGAN-PEORIA-SCHUYLER-SCOTT-
STARK-TAZEWELL-WOODFORD-
616 AM CDT SAT MAY 16 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS.

.DAY ONE...TODAY AND TONIGHT

SEVERAL RURAL ROADS AND LOW LYING AREAS ACROSS CENTRAL ILLINOIS
WILL REMAIN FLOODED TODAY...DUE TO THE VERY HEAVY RAINS FROM
FRIDAY AND FRIDAY EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

MANY AREA RIVERS WILL REMAIN AT OR ABOVE FLOOD STAGE FOR THE
NEXT SEVERAL DAYS. IN PARTICULAR...THE ILLINOIS...MACKINAW...AND
SPOON RIVERS WILL EXPERIENCE FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

ILZ038-042>046-048-051>057-061>063-066>068-071>073-171100-
CHAMPAIGN-CHRISTIAN-CLARK-CLAY-COLES-CRAWFORD-CUMBERLAND-DE WITT-
DOUGLAS-EDGAR-EFFINGHAM-JASPER-LAWRENCE-LOGAN-MACON-MCLEAN-MENARD-
MOULTRIE-PIATT-RICHLAND-SANGAMON-SHELBY-VERMILION-
616 AM CDT SAT MAY 16 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS...EAST CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS.

.DAY ONE...TODAY AND TONIGHT

SEVERAL RURAL ROADS AND LOW LYING AREAS ACROSS EAST CENTRAL AND
SOUTHEAST ILLINOIS WILL REMAIN FLOODED TODAY...DUE TO THE VERY
HEAVY RAINS FROM FRIDAY AND FRIDAY EVENING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

MANY AREA RIVERS WILL REMAIN AT OR ABOVE FLOOD STAGE FOR THE
NEXT SEVERAL DAYS. IN PARTICULAR...THE ILLINOIS...SANGAMON...
LITTLE WABASH...AND EMBARRAS RIVERS WILL EXPERIENCE FLOODING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

SHIMON

In the hours before

Local storm report, May 16, 6:18 AM CST, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
718 AM CDT SAT MAY 16 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     HEAVY RAIN       MANITO                  40.42N 89.78W
05/16/2009  M2.87 INCH       MASON              IL   MESONET

&&

SHIMON
Local storm report, May 16, 6:19 AM CST, 1 hour 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
719 AM CDT SAT MAY 16 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     HEAVY RAIN       OGDEN                   40.12N 87.96W
05/16/2009  M1.49 INCH       CHAMPAIGN          IL   MESONET

&&

SHIMON
Local storm report, May 16, 6:20 AM CST, 1 hour 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
720 AM CDT SAT MAY 16 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     HEAVY RAIN       CANTON                  40.56N 90.04W
05/16/2009  M3.39 INCH       FULTON             IL   MESONET

&&

SHIMON
Local storm report, May 16, 6:21 AM CST, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
721 AM CDT SAT MAY 16 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     HEAVY RAIN       2 S CHESTNUT            40.04N 89.20W
05/16/2009  M2.01 INCH       LOGAN              IL   MESONET

&&

SHIMON
Local storm report, May 16, 6:23 AM CST, 1 hour 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
723 AM CDT SAT MAY 16 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1100 PM     HEAVY RAIN       GALESBURG               40.95N 90.38W
05/15/2009  M3.24 INCH       KNOX               IL   MESONET

&&

SHIMON
Local storm report, May 16, 6:24 AM CST, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE LINCOLN IL
724 AM CDT SAT MAY 16 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 AM     FLASH FLOOD      AVON                    40.66N 90.44W
05/15/2009                   FULTON             IL   EMERGENCY MNGR

            2 FEET OF WATER OVER PARTS OF COUNTY RD 20 NEAR AVON

0900 AM     FLASH FLOOD      LONDON MILLS            40.71N 90.27W
05/15/2009                   FULTON             IL   EMERGENCY MNGR

            WATER AND MUD FROM A FIELD WASHED ACROSS A COUNTY ROAD
            NEAR LONDON MILLS

1015 AM     FLASH FLOOD      FARMINGTON              40.72N 90.01W
05/15/2009                   FULTON             IL   EMERGENCY MNGR

            SECTION OF HIGHWAYS 116 AND 78 CLOSED DUE TO WATER OVER
            ROADS. ALSO WATER IN AN OFFICE BUILDING IN THE AREA.

1045 AM     FLASH FLOOD      FARMINGTON              40.72N 90.01W
05/15/2009                   FULTON             IL   EMERGENCY MNGR

            SEVERAL SMALL STREAMS OUT OF BANKS IN NORTHERN HALF OF
            COUNTY

1045 AM     FLASH FLOOD      TRIVOLI                 40.69N 89.88W
05/15/2009                   PEORIA             IL   PUBLIC

            SEVERAL INCHES OF WATER FLOWING ACROSS A ROAD NEAR
            TRIVOLI

1055 AM     HEAVY RAIN       ALTONA                  41.12N 90.16W
05/15/2009  M1.01 INCH       KNOX               IL   CO-OP OBSERVER

            RAINFALL SINCE 6 AM

1100 AM     HEAVY RAIN       GALESBURG               40.95N 90.38W
05/15/2009  M2.00 INCH       KNOX               IL   TRAINED SPOTTER

            RAINFALL SINCE 5 AM

1108 AM     HEAVY RAIN       CANTON                  40.56N 90.04W
05/15/2009  M1.79 INCH       FULTON             IL   MESONET

            RAINFALL SINCE 5 AM. WATER OVER STREETS AND SMALL CREEKS
            FLOODING. SWOP REPORT.

1120 AM     HEAVY RAIN       ST. DAVID               40.49N 90.05W
05/15/2009  M1.30 INCH       FULTON             IL   CO-OP OBSERVER

            RAINFALL SINCE 7 AM...0.12 BEFORE 7 AM.

1135 AM     HEAVY RAIN       WATAGA                  41.03N 90.28W
05/15/2009  M1.41 INCH       KNOX               IL   MESONET

            RAINFALL SINCE MIDNIGHT. SWOP REPORT.

1215 PM     HEAVY RAIN       5 NW PEORIA             40.80N 89.68W
05/15/2009  E1.25 INCH       PEORIA             IL   CO-OP OBSERVER

            SINCE 8 AM

1215 PM     HEAVY RAIN       5 NE AVON               40.71N 90.37W
05/15/2009  M3.35 INCH       KNOX               IL   CO-OP OBSERVER

            3.35 INCHES OF RAIN SINCE MIDNIGHT

1230 PM     HEAVY RAIN       CANTON                  40.56N 90.04W
05/15/2009  M1.63 INCH       FULTON             IL   MESONET

            SINCE 4 AM. SWOP REPORT.

1230 PM     FLASH FLOOD      2 SE DAHINDA            40.93N 90.07W
05/15/2009                   KNOX               IL   MESONET

            SPOON RIVER AT ROUTE 150 OUT OF ITS BANKS. MANY DITCHES
            OVERFLOWING WITH WATER AND FIELDS FLOODED ALONG ROUTE 150
            IN WESTERN PEORIA AND EASTERN KNOX COUNTIES.

1230 PM     FLASH FLOOD      2 W BRIMFIELD           40.84N 89.92W
05/15/2009                   PEORIA             IL   MESONET

            ROUTE 150 WESTBOUND LANE UNDER WATER. SWOP REPORT

1235 PM     FLASH FLOOD      1 E BRIMFIELD           40.84N 89.86W
05/15/2009                   PEORIA             IL   MESONET

            WATER COVERING SECTIONS OF EASTBOUND HIGHWAY 150. SWOP
            REPORT.

1249 PM     HEAVY RAIN       HOPEWELL                40.98N 89.46W
05/15/2009  M1.12 INCH       MARSHALL           IL   MESONET

            1.12 INCHES OF RAIN SINCE MIDNIGHT...0.64 IN PAST 2
            HOURS. SWOP REPORT.

1254 PM     HEAVY RAIN       3 SW PEORIA             40.71N 89.65W
05/15/2009  M1.42 INCH       PEORIA             IL   ASOS

            1.42 INCHES OF RAIN AT THE PEORIA AIRPORT SINCE 7 AM

0130 PM     FLASH FLOOD      FIATT                   40.57N 90.18W
05/15/2009                   FULTON             IL   TRAINED SPOTTER

            WATER COVERING ROUTE 9 NEAR FIATT. RELAYED BY DVN.

0315 PM     HEAVY RAIN       ALTONA                  41.12N 90.16W
05/15/2009  M2.09 INCH       KNOX               IL   CO-OP OBSERVER

            COOP OBSERVER MEASURED 2.09 INCHES OF RAIN SINCE 5 AM.

0325 PM     HEAVY RAIN       ABINGDON                40.80N 90.40W
05/15/2009  M5.02 INCH       KNOX               IL   MESONET

            WEATHER OBSERVER MEASURED 5.02 INCHES OF RAIN IN ABINGDON
            SINCE 5 AM

0325 PM     HEAVY RAIN       GALESBURG               40.95N 90.38W
05/15/2009  M3.10 INCH       KNOX               IL   TRAINED SPOTTER

            SPOTTER MEASURED 3.10 INCHES OF RAIN IN GALESBURG SINCE 5
            AM.

0325 PM     FLASH FLOOD      ABINGDON                40.80N 90.40W
05/15/2009                   KNOX               IL   MESONET

            SIGNIFICANT FLASH FLOODING WITH SEVERAL ROADS IN ABINGDON
            CLOSED FROM 1 TO 2 FEET OF WATER ON THEM. MAIN STREET IS
            CLOSED DUE TO FLOODING. MEASURED 5.02 INCHES OF RAIN
            SINCE 5 AM.

0335 PM     HEAVY RAIN       PEORIA                  40.74N 89.61W
05/15/2009  M1.57 INCH       PEORIA             IL   NWS EMPLOYEE

            NWS EMPLOYEE MEASURED 1.57 INCHES OF RAIN SINCE 6 AM.

0350 PM     HEAVY RAIN       MARIETTA                40.50N 90.39W
05/15/2009  M1.75 INCH       FULTON             IL   CO-OP OBSERVER

            RAINFALL SINCE 7 AM

0400 PM     HEAVY RAIN       YATES CITY              40.78N 90.01W
05/15/2009  M3.90 INCH       KNOX               IL   CO-OP OBSERVER

            SINCE 7 AM

0404 PM     HEAVY RAIN       VARNA                   41.04N 89.22W
05/15/2009  M1.60 INCH       MARSHALL           IL   CO-OP OBSERVER

            SINCE 7AM

0404 PM     HAIL             MEREDOSIA               39.83N 90.56W
05/15/2009  M0.75 INCH       MORGAN             IL   EMERGENCY MNGR

0405 PM     FLASH FLOOD      2 SW SPARLAND           41.01N 89.47W
05/15/2009                   MARSHALL           IL   LAW ENFORCEMENT

            MOST TOWNSHIP ROADS FLOODED IN HOPEWELL TOWNSHIP...PARTS
            OF IL ROUTE 17 FROM SPARLAND TO CAMP GROVE HAVE 1 TO 2
            FEET OF WATER ON IT

0405 PM     FLASH FLOOD      1 N SPARLAND            41.04N 89.44W
05/15/2009                   MARSHALL           IL   LAW ENFORCEMENT

            NORTH HOLLOW RD CLOSED DUE TO FLOODING

0405 PM     HEAVY RAIN       PEORIA                  40.74N 89.61W
05/15/2009  M1.64 INCH       PEORIA             IL   CO-OP OBSERVER

            RAINFALL SINCE 8 AM...ON THE NORTHWEST SIDE OF PEORIA

0405 PM     HAIL             CHAPIN                  39.77N 90.40W
05/15/2009  M0.75 INCH       MORGAN             IL   EMERGENCY MNGR

0410 PM     HEAVY RAIN       CHILLICOTHE             40.92N 89.50W
05/15/2009  M1.66 INCH       PEORIA             IL   CO-OP OBSERVER

            SINCE 7 AM

0442 PM     HAIL             VIRGINIA                39.95N 90.21W
05/15/2009  M0.75 INCH       CASS               IL   CO-OP OBSERVER

            40 MPH WINDS

0442 PM     HEAVY RAIN       HOPEWELL                40.98N 89.46W
05/15/2009  M1.86 INCH       MARSHALL           IL   MESONET

            SINCE 630AM...SWOP REPORT

0448 PM     HEAVY RAIN       VIRGINIA                39.95N 90.21W
05/15/2009  M1.00 INCH       CASS               IL   CO-OP OBSERVER

            1 INCH OF RAIN IN 15 MINUTES

0453 PM     FLASH FLOOD      BROOKLYN                40.23N 90.77W
05/15/2009                   SCHUYLER           IL   LAW ENFORCEMENT

            IL ROUTE 101 EAST OF BROOKLYN CLOSED DUE TO CREEK FLOWING
            OVER ROAD

0500 PM     HEAVY RAIN       GALESBURG               40.95N 90.38W
05/15/2009  M2.84 INCH       KNOX               IL   MESONET

            RAINFALL FOR TODAY...SWOP

0500 PM     HEAVY RAIN       LACON                   41.02N 89.41W
05/15/2009  M1.84 INCH       MARSHALL           IL   CO-OP OBSERVER

            SINCE 7AM

0511 PM     HEAVY RAIN       CANTON                  40.56N 90.04W
05/15/2009  M2.79 INCH       FULTON             IL   MESONET

            BIG CREEK IN CANTON OUT OF ITS BANKS. SWOP REPORT.

0512 PM     HAIL             1 N PETERSBURG          40.03N 89.85W
05/15/2009  M0.75 INCH       MENARD             IL   MESONET

            COCORAHS REPORT

0517 PM     HEAVY RAIN       DAHINDA                 40.95N 90.10W
05/15/2009  M2.78 INCH       KNOX               IL   CO-OP OBSERVER

            2.78 INCHES SINCE 7AM.

0520 PM     HAIL             3 S GREENVIEW           40.04N 89.74W
05/15/2009  M1.25 INCH       MENARD             IL   MESONET

            1 1/4 INCH HAIL REPORTED. SWOP REPORT.

0520 PM     HEAVY RAIN       VARNA                   41.04N 89.22W
05/15/2009  M1.85 INCH       MARSHALL           IL   CO-OP OBSERVER

            1.85 INCHES SINCE 7AM.

0528 PM     HAIL             CANTRALL                39.93N 89.68W
05/15/2009  M1.75 INCH       SANGAMON           IL   EMERGENCY MNGR

            1 3/4 INCH HAIL REPORTED AT CANTRALL AND ATHENS REPORTED
            BY MENARD COUNTY EMA.

0528 PM     HAIL             ATHENS                  39.96N 89.72W
05/15/2009  M1.75 INCH       MENARD             IL   EMERGENCY MNGR

            1 3/4 INCHES HAIL REPORTED AT ATHENS.

0546 PM     HAIL             1 W CORNLAND            39.94N 89.43W
05/15/2009  M1.00 INCH       LOGAN              IL   EMERGENCY MNGR

0554 PM     HAIL             CORNLAND                39.94N 89.41W
05/15/2009  M0.88 INCH       LOGAN              IL   EMERGENCY MNGR

            NICKEL SIZE HAIL REPORTED ALONG WITH 50-55 MPH WINDS AND
            HEAVY RAIN.

0555 PM     HAIL             WINCHESTER              39.63N 90.46W
05/15/2009  M0.88 INCH       SCOTT              IL   TRAINED SPOTTER

            REPORTED VIA STL NWS.

0558 PM     HAIL             2 S PHILADELPHIA        39.89N 90.12W
05/15/2009  M0.88 INCH       CASS               IL   MESONET

            0.88 INCH HAIL REPORTED. SWOP REPORT.

0600 PM     HEAVY RAIN       VIRGINIA                39.95N 90.21W
05/15/2009  M1.72 INCH       CASS               IL   CO-OP OBSERVER

            SINCE 7 AM THIS MORNING.

0609 PM     FLASH FLOOD      2 N CANTRALL            39.96N 89.68W
05/15/2009                   SANGAMON           IL   NWS EMPLOYEE

            WATER OVER ROAD ON HIGHWAY 29.

0609 PM     HAIL             1 NNW MOUNT PULASKI     40.02N 89.29W
05/15/2009  M1.00 INCH       LOGAN              IL   TRAINED SPOTTER

0613 PM     TSTM WND GST     LATHAM                  39.97N 89.16W
05/15/2009  E60.00 MPH       LOGAN              IL   EMERGENCY MNGR

0614 PM     HEAVY RAIN       HENRY                   41.11N 89.36W
05/15/2009  M2.25 INCH       MARSHALL           IL   EMERGENCY MNGR

            24 HOUR REPORT OF 2.25 INCHES OF RAIN.

0615 PM     HEAVY RAIN       1 NNW LINCOLN           40.16N 89.37W
05/15/2009  M0.95 INCH       LOGAN              IL   MESONET

            0.95 INCHES OF RAIN IN LAST 30 MINUTES. COCORAHS REPORT.

0628 PM     HAIL             1 SW CLINTON            40.14N 88.97W
05/15/2009  M0.88 INCH       DE WITT            IL   EMERGENCY MNGR

0633 PM     HEAVY RAIN       3 S CHESTNUT            40.02N 89.20W
05/15/2009  M1.31 INCH       LOGAN              IL   MESONET

            1.31 INCHES REPORTED IN LAST 30 MINUTES.

0640 PM     FLASH FLOOD      MOUNT PULASKI           40.01N 89.28W
05/15/2009                   LOGAN              IL   EMERGENCY MNGR

            1.5 FEET OF WATER OVER IL ROUTE 121 BETWEEN MT PULASKI
            AND LATHAM

0640 PM     FLASH FLOOD      2 SE MOUNT AUBURN       39.75N 89.23W
05/15/2009                   CHRISTIAN          IL   EMERGENCY MNGR

            1.5 FEET OF WATER ON HIGHWAY 121 BETWEEN MOUNT PULASKI
            AND LATHAM.

0640 PM     TSTM WND GST     SHERMAN                 39.89N 89.61W
05/15/2009  E50.00 MPH       SANGAMON           IL   LAW ENFORCEMENT

            50 MPH WINDS AND PEA SIZE HAIL REPORTED AT MILE MARKER
            105 ON INTERSTATE 55.

0645 PM     HAIL             SPRINGFIELD             39.78N 89.64W
05/15/2009  M0.88 INCH       SANGAMON           IL   TRAINED SPOTTER

            REPORTED AT THE CORNER OF STANTON AND STEVENSON.

0645 PM     TSTM WND DMG     WILLIAMSVILLE           39.95N 89.56W
05/15/2009                   SANGAMON           IL   EMERGENCY MNGR

            POWER POLES DOWN ON THE EAST SIDE OF
            WILLIAMSVILLE...EXTENDING EAST FOR A QUARTER MILE

0645 PM     HAIL             SPRINGFIELD             39.78N 89.64W
05/15/2009  M1.75 INCH       SANGAMON           IL   EMERGENCY MNGR

            HAIL REPORTED ON I-72 AND I-55 ON SOUTH SIDE OF
            SPRINGFIELD.

0645 PM     HAIL             SPRINGFIELD             39.78N 89.64W
05/15/2009  M0.75 INCH       SANGAMON           IL   TRAINED SPOTTER

            REPORTED SOUTH SIDE OF SPRINGFIELD AT CORNER OF WABASH
            AND MAC ARTHER.

0649 PM     HAIL             SPRINGFIELD             39.78N 89.64W
05/15/2009  M0.75 INCH       SANGAMON           IL   TRAINED SPOTTER

            AT INTERSECTION OF DIRKSEN PARKWAY AND SOUTH GRAND
            AVENUE.

0652 PM     HAIL             2 NE CISCO              40.03N 88.70W
05/15/2009  M0.75 INCH       PIATT              IL   MESONET

            SWOP REPORT.

0655 PM     HEAVY RAIN       2 WSW ALTONA            41.10N 90.20W
05/15/2009  M2.25 INCH       KNOX               IL   MESONET

            2.25 INCHES REPORTED IN LAST 12 HOURS. COCORAHS REPORT.

0655 PM     HAIL             2 W HOOPESTON           40.47N 87.71W
05/15/2009  M0.88 INCH       VERMILION          IL   EMERGENCY MNGR

0700 PM     HAIL             2 SW ATHENS             39.94N 89.75W
05/15/2009  M1.00 INCH       MENARD             IL   CO-OP OBSERVER

0700 PM     HAIL             MONTICELLO              40.03N 88.57W
05/15/2009  M1.75 INCH       PIATT              IL   BROADCAST MEDIA

            NUMEROUS BROKEN CAR WINDSHIELDS AS REPORTED BY WCIA TV.

0700 PM     HEAVY RAIN       GALESBURG               40.95N 90.38W
05/15/2009  M3.65 INCH       KNOX               IL   CO-OP OBSERVER

            24 HOUR REPORT.

0700 PM     HAIL             MONTICELLO              40.03N 88.57W
05/15/2009  M1.25 INCH       PIATT              IL   EMERGENCY MNGR

0705 PM     FLASH FLOOD      ELKHART                 40.02N 89.48W
05/15/2009                   LOGAN              IL   EMERGENCY MNGR

            CAR IN NEED OF RESCUE WITH WATER UP TO DOOR HANDLES AT
            ELKHART EXIT ON INTERSTATE 55.

0705 PM     HEAVY RAIN       1 E HEYWORTH            40.31N 88.96W
05/15/2009  M2.93 INCH       MCLEAN             IL   MESONET

            2.93 INCHES OF RAIN MEASURED TODAY WITH 2.63 INCHES SINCE
            5 PM. COCORAHS REPORT.

0705 PM     HAIL             4 NNE MONTICELLO        40.08N 88.55W
05/15/2009  E0.88 INCH       PIATT              IL   MESONET

            COCORAHS REPORT

0715 PM     HAIL             MOUNT AUBURN            39.77N 89.26W
05/15/2009  M0.88 INCH       CHRISTIAN          IL   LAW ENFORCEMENT

0718 PM     HAIL             1 W CHAMPAIGN           40.11N 88.28W
05/15/2009  M0.75 INCH       CHAMPAIGN          IL   EMERGENCY MNGR

0720 PM     TSTM WND GST     MACON                   39.71N 89.00W
05/15/2009  E60.00 MPH       MACON              IL   TRAINED SPOTTER

            GUSTNADOES ASSOCIATED WITH WIND GUST

0730 PM     FLASH FLOOD      URBANA                  40.11N 88.21W
05/15/2009                   CHAMPAIGN          IL   NEWSPAPER

            VEHICLE TRAPPED IN URBANA VINE STREET VIADUCT WITH WATER
            UP TO HEADLIGHTS. AT 740 PM...VEHICLE ALSO STRANDED WITH
            WATER TO HEADLIGHTS AT CHAMPAIGN WASHINGTON STREET
            VIADUCT NEAR NORTH FIRST STREET. AT 800 PM...SEVERAL
            VEHICLES WERE ALSO STRANDED NEAR THE INTERSECTION OF
            CHURCH STREET AND COUNTRY FAIR DRIVE. FROM ARTICLE IN THE
            NEWS-GAZETTE.

0739 PM     FLASH FLOOD      CHAMPAIGN               40.11N 88.26W
05/15/2009                   CHAMPAIGN          IL   MESONET

            MANY STREETS IMPASSABLE DUE TO WATER...MANY VIADUCTS
            UNDER WATER...PARTS OF UNIVERSITY AVE UNDER WATER. SWOP
            REPORT

0746 PM     HEAVY RAIN       MOUNT PULASKI           40.01N 89.28W
05/15/2009  M2.72 INCH       LOGAN              IL   CO-OP OBSERVER

            SINCE 6AM...WATER ON MANY FIELDS FROM ILLIOPOLIS TO MT
            PULASKI

0750 PM     FLASH FLOOD      CHAMPAIGN               40.11N 88.26W
05/15/2009                   CHAMPAIGN          IL   BROADCAST MEDIA

            6 TO 8 INCHES FLOWING ACROSS NEIL STREET IN FRONT OF WCIA
            TV

0800 PM     HEAVY RAIN       LANE                    40.13N 88.85W
05/15/2009  M1.88 INCH       DE WITT            IL   MESONET

            STORM TOTAL...SWOP

0800 PM     HEAVY RAIN       2 W CHESTNUT            40.07N 89.24W
05/15/2009  M2.25 INCH       LOGAN              IL   MESONET

            STORM TOTAL SO FAR...COCORAHS REPORT

0800 PM     HEAVY RAIN       PEORIA                  40.74N 89.61W
05/15/2009  M2.17 INCH       PEORIA             IL   NWS EMPLOYEE

0809 PM     FLASH FLOOD      2 SSW RANTOUL           40.28N 88.17W
05/15/2009                   CHAMPAIGN          IL   TRAINED SPOTTER

            LOCAL ROADS NEAR RANTOUL HAVE 6 TO 8 INCHES OF WATER

0825 PM     HAIL             5 W DANVILLE            40.14N 87.71W
05/15/2009  M1.00 INCH       VERMILION          IL   EMERGENCY MNGR

0833 PM     HEAVY RAIN       SULLIVAN                39.60N 88.61W
05/15/2009  M1.50 INCH       MOULTRIE           IL   MESONET

0843 PM     FLASH FLOOD      SIDELL                  39.91N 87.82W
05/15/2009                   VERMILION          IL   EMERGENCY MNGR

            ALL STREETS FLOODED

0843 PM     FLASH FLOOD      DANVILLE                40.14N 87.62W
05/15/2009                   VERMILION          IL   EMERGENCY MNGR

            MANY CITY STREETS FLOODED

0843 PM     FLASH FLOOD      FAIRMOUNT               40.05N 87.83W
05/15/2009                   VERMILION          IL   EMERGENCY MNGR

            ALL VILLAGE STREETS ARE FLOODED

0843 PM     FLASH FLOOD      1 W ROSSVILLE           40.38N 87.69W
05/15/2009                   VERMILION          IL   EMERGENCY MNGR

            1 FOOT OF WATER OVER ATTICA ROAD

0846 PM     HAIL             GEORGETOWN              39.98N 87.64W
05/15/2009  M0.88 INCH       VERMILION          IL   EMERGENCY MNGR

0851 PM     HEAVY RAIN       5 S DANVILLE            40.07N 87.62W
05/15/2009  M1.25 INCH       VERMILION          IL   EMERGENCY MNGR

            1.25 INCHES IN 30 MINUTES

0859 PM     FLASH FLOOD      ROANOKE                 40.80N 89.20W
05/15/2009                   WOODFORD           IL   EMERGENCY MNGR

            1 FOOT OVER WEST HIGH STREET IN ROANOKE

0900 PM     HAIL             4 W MATTOON             39.48N 88.44W
05/15/2009  M0.88 INCH       COLES              IL   EMERGENCY MNGR

            ON THE COLES MOULTRIE COUNTY LINE

0904 PM     HEAVY RAIN       GILSON                  40.87N 90.20W
05/15/2009  M4.14 INCH       KNOX               IL   MESONET

            24 HOUR TOTAL...SWOP

0905 PM     HEAVY RAIN       6 E ROSSVILLE           40.38N 87.56W
05/15/2009  M1.02 INCH       VERMILION          IL   MESONET

            RAINFALL IN THE PAST HOUR

0915 PM     FLASH FLOOD      3 W HOOPESTON           40.47N 87.73W
05/15/2009                   VERMILION          IL   EMERGENCY MNGR

            IL ROUTE 9 IMPASSABLE DUE TO WATER

0945 PM     HEAVY RAIN       CLINTON                 40.15N 88.96W
05/15/2009  M1.89 INCH       DE WITT            IL   NWS EMPLOYEE

0945 PM     FLASH FLOOD      2 E GROVELAND           40.61N 89.49W
05/15/2009                   TAZEWELL           IL   TRAINED SPOTTER

            WATER FLOWING OFF FARM FIELDS ONTO ROADS...ROAD DITCHES
            OVERFLOWING

1100 PM     HEAVY RAIN       GALESBURG               40.95N 90.38W
05/15/2009  M3.24 INCH       KNOX               IL   MESONET

            23 HOUR RAINFALL...SWOP

1100 PM     HEAVY RAIN       GALESBURG               40.95N 90.38W
05/15/2009  M3.24 INCH       KNOX               IL   MESONET

1107 PM     HEAVY RAIN       CHAMPAIGN               40.11N 88.26W
05/15/2009  M5.20 INCH       CHAMPAIGN          IL   BROADCAST MEDIA

            TV BROADCASTER REPORT ON NORTH SIDE OF CHAMPAIGN. 5.2
            INCHES TOTAL RAINFALL AND 3 INCHES OF RAIN FALLING IN 30
            MINUTES.

1140 PM     FLASH FLOOD      LATHAM                  39.97N 89.16W
05/15/2009                   LOGAN              IL   EMERGENCY MNGR

            FLOODING IN CITY. AN APARTMENT COMPLEX HAS BEEN FLOODED
            AND EVACUATING RESIDENTS TO NEARBY HOTEL. FROM COUNTY
            EMERGENCY MANAGER.

0700 AM     HEAVY RAIN       2 S CHESTNUT            40.04N 89.20W
05/16/2009  M2.01 INCH       LOGAN              IL   MESONET

0700 AM     HEAVY RAIN       AVON                    40.66N 90.44W
05/16/2009  M4.41 INCH       FULTON             IL   CO-OP OBSERVER

0700 AM     HEAVY RAIN       CANTON                  40.56N 90.04W
05/16/2009  M3.39 INCH       FULTON             IL   MESONET

0700 AM     HEAVY RAIN       OGDEN                   40.12N 87.96W
05/16/2009  M1.49 INCH       CHAMPAIGN          IL   MESONET

0700 AM     HEAVY RAIN       MANITO                  40.42N 89.78W
05/16/2009  M2.87 INCH       MASON              IL   MESONET

0700 AM     HEAVY RAIN       MONTICELLO              40.03N 88.57W
05/16/2009  M1.58 INCH       PIATT              IL   MESONET

0700 AM     HEAVY RAIN       WATAGA                  41.03N 90.28W
05/16/2009  M3.26 INCH       KNOX               IL   MESONET

0700 AM     HEAVY RAIN       3 W BISMARCK            40.27N 87.66W
05/16/2009  M1.41 INCH       VERMILION          IL   MESONET

0700 AM     HEAVY RAIN       CHATHAM                 39.67N 89.70W
05/16/2009  M2.01 INCH       SANGAMON           IL   NWS EMPLOYEE

&&

SHIMON

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 flood. Local standard time, as filed.

Flood, Fulton

When
May 16, 7:30 AM CST to May 21, 2:30 PM CST
Where
Fulton County, 3.19 mi NNW of Avon to 3.13 mi W of Table Grove
Cause
Heavy Rain
Deaths
1 direct, 0 indirect
Crop damage
$4.0 million
Reported by
Emergency Manager
Coordinates
40.715, -90.444

Periods of heavy rain between May 13 and May 16 resulted in near record river levels on much of the Spoon River. The gage at London Mills, IL recorded its third highest crest on record at 25.28 feet at 1445 CST on May 16th, which was more than 10 feet above flood stage. This was the highest crest since the major floods of July 1993. The gage at Seville, IL also recorded its third highest stage on record at 30.84 feet at 1430 CST on May 17th, which was nearly 9 feet above flood stage. This was the highest crest in 35 years. Sandbagging efforts at London Mills and Seville prevented property damage. A levee was breached about 2.6 miles west-northwest of the town of Blyton, IL. The breach was about 500 feet across at the levee, with the cone of damage consisting of tree debris and field erosion about 1/2 mile out and 1/2 mile across at the widest point. Two smaller levees also breached about two miles downstream. These breaches and the associated flooding closed a large partion of Illinois Route 9 and caused significant inundation of agricultural land. There was one fatality due to the flooding. A 45 year old man drove around a barricade into the floodwaters of the Spoon River about 1 mile southwest of London Mills and drowned around 1930CST on May 16th. His body was found on May 18th about 85 yards from where he entered the river.

Flood, Knox

When
May 16, 7:30 AM CST to May 20, 7:30 AM CST
Where
Knox County, 2.19 mi E of St Augustine to 0.48 mi S of Uniontown
Cause
Heavy Rain
Crop damage
$1.5 million
Reported by
Emergency Manager
Coordinates
40.717, -90.358

Periods of heavy rain between May 13th and May 16th resulted in near record levels on the Spoon River. In Knox County, more than 2,000 acres of agricultural land was inundated and several county roads and highways were flooded for up to four days. The worst flooding was downstream in Fulton County, where several levees were breached.

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Flood, Fulton2009-05-1645MaleVehicle/Towed TrailerDirect

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Illinois in 2009Every state in 2009This day in weather historyWarnings in Illinois, May 2009

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: 174089, 174350.