Alert archive / Illinois / Flash Flood Warnings in 2012
Flash Flood Warning 11, NWS Chicago, IL
NWS Chicago, IL issued this flash flood warning at May 7, 2012, 3:56 AM CDT for Ford County, Livingston County, Illinois. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 7, 2012, 3:56 AM CDT (08:56 UTC)
- Expired
- May 7, 2012, 7:35 AM CDT
- In force
- 4 hr
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Ford County, IL, Livingston County, IL
The radar
The Lincoln radar (KILX), 94 km from the middle of the area, began a volume at 08:56 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 8.9 hours before the alert went out and 55 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1208 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 1947 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
319
WGUS53 KLOT 070856
FFWLOT
ILC053-105-071700-
/O.NEW.KLOT.FF.W.0011.120507T0856Z-120507T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
356 AM CDT MON MAY 7 2012
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL AND SOUTHERN FORD COUNTY IN EAST CENTRAL ILLINOIS...
SOUTHERN LIVINGSTON COUNTY IN CENTRAL ILLINOIS...
* UNTIL NOON CDT
* AT 353 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING ACROSS
THE WARNED AREA. THE BEST COVERAGE OF STORMS WAS ACROSS SOUTHERN
FORD COUNTY BUT ADDITIONAL STORMS WILL MOVE INTO FORD AS WELL AS
SOUTHERN LIVINGSTON COUNTIES. AN ADDITIONAL 1 TO POSSIBLY 2 INCHES
OF RAIN IS EXPECTED TO FALL OVER THE NEXT FEW HOURS AS WAVES OF
STORMS MOVE THROUGH.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FAIRBURY...GIBSON CITY...PAXTON...PIPER CITY...CHATSWORTH...
FLANAGAN AND FORREST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS...VIADUCTS...AND UNDERPASSES.
ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF
CREEKS...STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
&&
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8893
4089 8894 4083 8813 4049 8812 4049 8793
4040 8793 4040 8846
$$
MDB1 follow-up statement
355
WGUS73 KLOT 071235
FFSLOT
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
735 AM CDT MON MAY 7 2012
ILC053-105-071250-
/O.CAN.KLOT.FF.W.0011.000000T0000Z-120507T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LIVINGSTON IL-FORD IL-
735 AM CDT MON MAY 7 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR FORD AND SOUTHERN
LIVINGSTON COUNTIES IS CANCELLED AND HAS BEEN REPLACED BY AN AREAL
FLOOD WARNING FOR ONGOING FLOODING AND MINIMAL ADDITIONAL RAINFALL...
LAT...LON 4061 8846 4062 8858 4075 8859 4075 8893
4089 8894 4083 8813 4049 8812 4049 8793
4040 8793 4040 8846
$$
MDBWhat forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Chicago, IL wrote its last area forecast discussion before this flash flood warning went out at May 7, 3:29 AM CDT, 27 minutes earlier.
Area forecast discussion, May 7, 3:29 AM CDT, 27 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
329 AM CDT MON MAY 7 2012
.DISCUSSION...
320 AM CDT
SHORT TERM...TODAY THROUGH WEDNESDAY NIGHT...
TODAY AND TONIGHT...AN INVERTED TROUGH EXTENDS FROM NORTH CENTRAL
TEXAS THROUGH NORTHEASTERN ILLINOIS THIS MORNING. THE LOWS WARM
FRONT ARCS FROM SPRINGFIELD ILLINOIS...THROUGH DELAWARE COUNTY
INDIANA. CONVECTION HAS REMAINED ACTIVE OVERNIGHT INTO EARLY THIS
MORNING...ESPECIALLY ALONG AND NORTH OF THE WARM FRONT. A LARGE
OUTFLOW BOUNDARY IS PUSHING SOUTH AWAY FROM THE MAIN LINE OF
STORMS...WITH ISOLATED STORMS BEING INITIATED BY THE OUTFLOW
BOUNDARY. THE EVENT HAS TRANSITIONED FROM SEVERE WEATHER TO A
HEAVY RAIN/FLASH FLOODING DUE TO SLOW MOVING STORMS AND PW VALUES
BETWEEN 1.5 TO 2 INCHES.
THE MAIN LOW PASSES THROUGH CENTRAL ILLINOIS TODAY AS DOES THE
MOISTURE AXIS. WINDS FLIP TO NORTHWEST BEHIND THE LOW AND PW
VALUES DROP FROM AROUND 1.5 INCHES TO 0.75 INCHES LATE TONIGHT.
GIVEN THE NOCTURNAL CONVECTION AND CLOUDY FORECAST...KEPT TEMPS A
FEW DEGREES BELOW GUIDANCE. WITH LESS HEATING TOMORROW...NOT
EXPECTING AS MUCH CAPE. THE NAM CURRENTLY FEATURES A MAX CAPE OF
AROUND 2000 J/KG EARLY ALONG AND SOUTHEAST OF THE I-55 CORRIDOR
WITH VALUES DECLINING THROUGH THE DAY. GIVEN THE NAMS WET BIAS AND
THEREFORE TYPICAL OVERESTIMATION OF CAPE...THINKING 1500 J/KG OR
LESS IS MOST LIKELY. 0-6 KM SHEAR ALSO DECREASES AS THE INVERTED
TROUGH MOVES OFF...WITH 35 KT OR LESS THROUGHOUT THE REGION.
MODEL SOUNDINGS INDICATE WARM AIR WILL BE SEEPING IN ALOFT AHEAD OF
THE WARM FRONT. THE WARM AIR WILL CAUSE A CAP WHICH WILL FURTHER
HINDER SOTRM DEVELOPMENT AND THEREFORE SEVERE WEATHER. BASED ON
THE PARAMETERS...THINKING THUNDERSTORMS WILL BE MORE LIKELY
SOUTHEAST AND ALONG THE 1-55 CORRIDOR WHERE THE ENVIRONMENT IS
MORE FAVORABLE. MAIN THREAT WILL BE HEAVY RAIN...ESPECIALLY WITH
THE VERY MOIST AIR MASS OVERHEAD.
TONIGHT...WENT WITH THE QUICKER NAM AND GFS SOLUTIONS IN REGARD TO
THE NOCTURNAL PRECIP. EXPECTING PRECIP TO MOVE QUICKLY OFF TO THE
EAST BEHIND THE DEPARTING LOW...ESPECIALLY SINCE MOISTURE WILL BE
RETREATING RAPIDLY. STAYED WITH GUIDANCE ON OVERNIGHT LOWS. THE
NIGHT WILL START CLOUDY AND CLEAR OUT LATE...LEADING TO A SLOW
DROP IN TEMPS UNTIL THE SKY CLEARS.
TUESDAY...THE DAY STARTS OFF DRY BEHIND THE FRONT AND LOW PASSAGE.
THE UPPER LEVEL TROUGH SWINGS THROUGH WISCONSIN AND NORTHERN
ILLINOIS TUESDAY AFTERNOON AND EVENING. MODELS INDICATE CONVECTION
WILL FORM TUESDAY AFTERNOON ACROSS WISCONSIN. CAPE VALUES ARE
MEAGER AT BEST AND WITH THE TROUGH SINKING SOUTH OUT OF CANADA...AM
QUESTIONING HOW MUCH MOISTURE THE MODELS KEEP WITH THIS SYSTEM.
DOWNPLAYING THE PRECIP POTENTIAL IN THE LOT CWA...THINKING THE
MAJORITY OF PRECIP WILL DRY UP BEFORE ENTERING NORTHERN IL. ONCE
AGAIN WENT WITH GUIDANCE FOR TEMPS...AS THE DAY WILL BEGIN SUNNY
WITH INCREASING CLOUD COVER.
BOTH THE GFS NAM...AND THE ECMWF TO A LESSER EXTENT...SUGGEST A
MCS WILL FORM TUESDAY NIGHT IN EAST CENTRAL WI AND SINK SOUTH OVER
THE LAKE. WITH ALL 3 MODELS DEPICTING A SIMILAR STORY...DECIDED TO
PUT IN SLIGHT CHANCE TO CHANCE POPS FOR TUESDAY NIGHT...HOWEVER
CONFIDENCE IS LOW REGARDING WHERE THE ACTUAL MCS WOULD FORM IF AT
ALL.
WEDNESDAY...A DRY PATTERN BEGINS ON WEDNESDAY AS HIGH PRESSURE MOVES
IN FROM THE CENTRAL PLAINS. SLIGHTLY COOLER TEMPS EXPECTED WITH
NORTHWEST UPPER LEVEL FLOW OUT OF CANADA.
JEE
EXTENDED DISCUSSION FORTHCOMING...
&&
.AVIATION...
//ORD AND MDW CONCERNS...UPDATED 06Z...
* THUNDERSTORMS THROUGH SUNRISE.
* SHOWERS THROUGH EARLY AFTERNOON.
* MVFR CIGS THROUGH EARLY AFTERNOON.
* POSSIBLE IFR CIGS TOWARD SUNRISE THROUGH MID MORNING.
* POSSIBLE WIND SHIFT TO THE EAST LATE THIS AFTERNOON. CMS
//DISCUSSION...UPDATED 06Z...
SHOWERS AND THUNDERSTORMS WIDESPREAD ACROSS NORTHERN IL AND
NORTHWEST INDIANA EARLY THIS MORNING WITH ADDITIONAL ACTIVITY
STILL DEVELOPING FURTHER TO THE WEST AND EXPECT THIS TO CONTINUE
FOR SEVERAL MORE HRS THOUGH WITH TIME THE THUNDER THREAT MAY SAG
SOUTH OF THE TERMINALS TOWARD SUNRISE. BULK OF THIS ACTIVITY IS
ELEVATED AND EVEN IN THE HEAVIEST RAINS CIGS/VIS ONLY BRIEFLY
DIPPING INTO IFR WITH PREVAILING MVFR/VFR. SHOWERS THEN EXPECTED
TO CONTINUE THIS MORNING THOUGH COVERAGE/INTENSITY SHOULD BE
DECREASING BY MID/LATE MORNING.
LOW PRESSURE WILL SLOWLY LIFT EAST/NORTHEAST REACHING NORTHERN
INDIANA BY LATE MORNING. BUT AS THE LOW PASSES JUST SOUTH OF THE
TERMINALS...THERE COULD BE A PERIOD OF IFR CIGS. CONFIDENCE OF
THIS OCCURRING IS FAIRLY LOW AND FOR NOW HAVE JUST SCATTERED
MENTION IN THE TAFS. AS THE LOW SHIFTS EAST CIGS SHOULD SLOWLY
IMPROVE...ESPECIALLY IF IFR CIGS DEVELOP.
WINDS SHOULD REMAIN NORTHERLY THROUGH THIS AFTERNOON AND THEN
POSSIBLY SHIFT TO THE NORTHEAST OR EVEN EAST SHOULD A LAKE
BREEZE DEVELOP. CONFIDENCE REMAINS LOW AND EVENTUALLY WINDS WILL
SHIFT BACK NORTHWESTERLY LATER THIS EVENING. CMS
//ORD AND MDW CONFIDENCE...UPDATED 06Z...
* HIGH CONFIDENCE SHRA/TSRA WILL CONTINUE THROUGH 09Z-10Z.
* HIGH CONFIDENCE SHRA WILL CONTINUE THROUGH MID MORNING...LOW
CONFIDENCE REGARDING TSRA POTENTIAL.
* MEDIUM CONFIDENCE REGARDING CIGS...LOW CONFIDENCE REGARDING IFR
POTENTIAL.
* MEDIUM CONFIDENCE REGARDING WINDS...LOW CONFIDENCE REGARDING
LAKE BREEZE/SHIFT TO THE EAST LATE THIS AFTERNOON. CMS
//OUTLOOK FOR ORD/MDW FOR 12Z TUESDAY-12Z SUNDAY...UPDATED 00Z...
TUESDAY...VFR...SLIGHT CHANCE OF SHOWERS.
WEDNESDAY...VFR...CHANCE OF SHOWERS.
THURSDAY...VFR.
FRIDAY...VFR.
SATURDAY...VFR...CHANCE OF SHOWERS.
LENNING
&&
.MARINE...
317 AM...LOW PRESSURE OVER CENTRAL IL WILL LIFT NORTHEAST ACROSS
NORTHERN INDIANA TODAY REACHING LAKE ERIE TONIGHT. THERE COULD BE A
FEW HOUR PERIOD EARLY THIS MORNING WHERE WINDS OVER SOUTHERN LAKE
MICHIGAN GUST INTO THE 15-25 KT RANGE AS THE LOW APPROACHES WITH A
SOUTHEAST DIRECTION SHIFTING TO THE NORTHEAST THIS MORNING. WINDS
WILL THEN SHIFT NORTHERLY AND DIMINISH INTO THE 10-15 KT RANGE
THIS AFTERNOON. A WEAK RIDGE MAY ALLOW WINDS TO DIMINISH EVEN
FURTHER ALONG THE WESTERN SIDE OF THE LAKE. A SECOND LOW WILL MOVE
SOUTHEAST ACROSS THE NORTHERN LAKES TONIGHT AND MERGE WITH THE
FIRST LOW LIFTING NORTHEAST ACROSS THE EASTERN LAKES ON TUESDAY. A
COLD FRONT WILL THEN MOVE SOUTH ACROSS THE LAKE TUESDAY NIGHT INTO
WEDNESDAY MORNING WITH NORTHERLY WINDS POSSIBLY INCREASING TO
15-25 KT. A LARGE RIDGE OF HIGH PRESSURE WILL THEN BUILD EAST
ACROSS THE LAKES REGION WEDNESDAY NIGHT INTO THURSDAY. CMS
&&
.LOT WATCHES/WARNINGS/ADVISORIES...
IL...FLASH FLOOD WATCH...ILZ003-ILZ004-ILZ005-ILZ006-ILZ008-ILZ010-
ILZ011-ILZ012-ILZ013-ILZ014-ILZ019-ILZ020-ILZ021-ILZ022-
ILZ023-ILZ032-ILZ033-ILZ039 UNTIL 7 AM MONDAY.
IN...FLASH FLOOD WATCH...INZ001-INZ002-INZ010-INZ011-INZ019 UNTIL 7
AM MONDAY.
LM...NONE.
&&Hazardous weather outlook, May 6, 9:01 PM CDT, 6 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 901 PM CDT SUN MAY 6 2012 ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019- 080215- WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE- DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON- IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON- 901 PM CDT SUN MAY 6 2012 /1001 PM EDT SUN MAY 6 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS... NORTHEAST ILLINOIS AND NORTHWEST INDIANA. .DAY ONE...TONIGHT. WEATHER HAZARDS EXPECTED: THUNDERSTORMS...SOME MAY PRODUCE... HEAVY RAINFALL...PRODUCING LOCALIZED FLASH FLOODING HAIL TO THE SIZE OF GOLF BALLS WIND GUSTS IN EXCESS OF 60 MPH CLOUD TO GROUND LIGHTNING AREAS AFFECTED AND TIMING: ISOLATED THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS EVENING ACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA AND CONTINUE THROUGH THE OVERNIGHT PERIOD. DISCUSSION: VERY MOIST ATMOSPHERE REMAINS OVER NORTHERN ILLINOIS AND NORTHWEST INDIANA THIS EVENING...AND WILL CONTINUE THROUGH THE OVERNIGHT PERIOD. THE MAIN FOCAL POINT FOR ADDITIONAL THUNDERSTORMS TO DEVELOP WILL BE ALONG A FRONTAL BOUNDARY THAT HAS PUSHED SOUTH OF U.S. HIGHWAY 24 OR ALONG AND SOUTH OF A FAIRBURY ILLINOIS TO KENTLAND INDIANA LINE. ISOLATED THUNDERSTORMS ARE EXPECTED TO DEVELOP NORTH OF THIS BOUNDARY THIS EVENING AND MAY STRENGTHEN TO ISOLATED SUPERCELLS. THE THREAT FOR HEAVY RAINFALL IS HIGH WITH THIS ACTIVITY. HIGHER AMOUNTS ARE LIKELY...ESPECIALLY IN SOUTHERN AREAS. LOCALIZED FLASH FLOODING MAY RESULT IN THOSE COMMUNITIES THAT SEE THESE MAXIMUM RAINFALL AMOUNTS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. THUNDERSTORMS ARE LIKELY DURING THE DAY ON MONDAY ACROSS A LARGE PORTION OF THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO LMZ740>745-080215- WINTHROP HARBOR TO WILMETTE HARBOR- WILMETTE HARBOR TO NORTHERLY ISLAND- NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY- GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY- 901 PM CDT SUN MAY 6 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE MICHIGAN. .DAY ONE...TONIGHT. THERE IS A CHANCE OF THUNDERSTORMS TONIGHT. SOME OF THESE STORMS MAY PRODUCE WIND GUSTS ABOVE 34 KNOTS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. THERE IS A CHANCE OF THUNDERSTORMS MONDAY. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868- 870-872-874-876-878-080215- LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH FOX ISLAND 5 NM OFFSHORE- LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI- LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO MID LAKE- 901 PM CDT SUN MAY 6 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE MICHIGAN. .DAY ONE...TONIGHT. THERE IS A CHANCE OF THUNDERSTORMS TONIGHT...MAINLY ACROSS THE SOUTHERN HALF OF THE LAKE. SOME OF THESE STORMS MAY PRODUCE WIND GUSTS ABOVE 34 KNOTS...MAINLY ACROSS FAR SOUTHERN LAKE MICHIGAN. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. THERE IS A CHANCE OF THUNDERSTORMS MONDAY. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO BEACHLER
In the hours before
Special weather statement, May 7, 2:10 AM CDT, 1 hour 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
210 AM CDT MON MAY 7 2012
ILZ033-INZ010-011-019-070815-
BENTON IN-IROQUOIS IL-JASPER IN-NEWTON IN-
210 AM CDT MON MAY 7 2012
...SPECIAL WEATHER STATEMENT...
AT 207 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM GIFFORD TO REMINGTON TO
STOCKLAND...MOVING EAST AT 30 MPH.
ONE HALF INCH DIAMETER HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD TO
GROUND LIGHTNING... AND TORRENTIAL RAINFALL ARE POSSIBLE WITH THIS
LINE OF THUNDERSTORMS.
LOCATIONS IMPACTED INCLUDE...GIFFORD...MOODY...AND PLEASANT RIDGE
AROUND 215 AM...TALBOT...BARCE...AND FOWLER AROUND 330 AM...ATKINSON
AND TEMPLETON AROUND 345 AM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES. HEAVY RAINFALL COULD LEAD TO STANDING WATER ON ROADWAYS AND
POOR VISIBILITY. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE
STORMS HAVE PASSED.
LAT...LON 4091 8698 4084 8699 4083 8709 4047 8710
4047 8750 4054 8783 4083 8731 4115 8713
4111 8693 4091 8693
TIME...MOT...LOC 0709Z 286DEG 25KT 4104 8705 4081 8718
4057 8761
RATZERLocal storm report, May 7, 2:15 AM CDT, 1 hour 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
215 AM CDT MON MAY 07 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0214 AM HEAVY RAIN HEBRON 41.32N 87.20W
05/07/2012 M4.60 INCH PORTER IN TRAINED SPOTTER
4.60 INCHES SINCE 1030 PM CDT.
&&
RATZERLocal storm report, May 7, 2:16 AM CDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
216 AM CDT MON MAY 07 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0215 AM FLASH FLOOD HEBRON 41.32N 87.20W
05/07/2012 PORTER IN TRAINED SPOTTER
SEVERAL ROADS IN HEBRON FLOODED AND IMPASSIBLE. BOTH
RETENTION PONDS OVERFLOWING. WATER APPROACHING BUILDINGS
IN INDUSTRIAL PARK.
&&
RATZERLocal storm report, May 7, 2:18 AM CDT, 1 hour 38 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
218 AM CDT MON MAY 07 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0215 AM FLASH FLOOD HEBRON 41.32N 87.20W
05/07/2012 PORTER IN TRAINED SPOTTER
SEVERAL ROADS IN HEBRON FLOODED AND IMPASSABLE. BOTH
RETENTION PONDS OVERFLOWING. WATER APPROACHING BUILDINGS
IN INDUSTRIAL PARK.
0214 AM HEAVY RAIN HEBRON 41.32N 87.20W
05/07/2012 M4.60 INCH PORTER IN TRAINED SPOTTER
4.60 INCHES SINCE 1030 PM CDT.
0137 AM HEAVY RAIN HEBRON 41.32N 87.20W
05/07/2012 M4.47 INCH PORTER IN TRAINED SPOTTER
4.47 INCHES SINCE 1030 PM CDT. 1.60 INCHES IN THE LAST 40
MINUTES.
1257 AM HEAVY RAIN HEBRON 41.32N 87.20W
05/07/2012 M2.87 INCH PORTER IN TRAINED SPOTTER
2.87 INCHES SINCE 1030 PM CDT. STILL RAINING VERY
HEAVILY.
1250 AM FLASH FLOOD CEDAR LAKE 41.37N 87.44W
05/07/2012 LAKE IN LAW ENFORCEMENT
ROADS CLOSED DUE TO FLASH FLOODING. 133RD AVENUE HAS
ABOUT 3.5 OF WATER COVERING ROAD...WITH 2.5 TO 3 FEET OF
WATER COVERING LAKESHORE DRIVE.
1250 AM FLASH FLOOD CROWN POINT 41.42N 87.36W
05/07/2012 LAKE IN PUBLIC
SIGNIFICANT STREET FLOODING. SEVERAL INCHES OF WATER
FLOWING DOWN STREETS WITH MANHOLE COVERS OFF SPEWING
WATER EVERYWHERE.
1230 AM FLASH FLOOD 3 SW MORRIS 41.34N 88.47W
05/07/2012 GRUNDY IL LAW ENFORCEMENT
WEST SOUTHMOR ROAD SOUTHWEST OF THE TOWN CENTER
IMPASSABLE DUE TO FLOODING.
1144 PM HAIL MAZON 41.24N 88.42W
05/06/2012 E0.25 INCH GRUNDY IL TRAINED SPOTTER
1142 PM HAIL 4 SW MORRIS 41.33N 88.48W
05/06/2012 E0.25 INCH GRUNDY IL TRAINED SPOTTER
1104 PM HAIL STREATOR 41.13N 88.83W
05/06/2012 M1.00 INCH LA SALLE IL TRAINED SPOTTER
1101 PM HAIL STREATOR 41.13N 88.83W
05/06/2012 E0.50 INCH LA SALLE IL TRAINED SPOTTER
DIME SIZE HAIL LASTED 3 MINUTES.
1057 PM FLASH FLOOD MARSEILLES 41.33N 88.69W
05/06/2012 LA SALLE IL TRAINED SPOTTER
RYALL STREET IMPASSABLE AND CLOSED DUE TO FLOODING. ABOUT
2 FEET OF WATER COVERING ROAD...WITH RUNOFF CONTINUING
DOWNHILL INTO AREA.
1055 PM FLOOD CEDAR LAKE 41.37N 87.44W
05/06/2012 LAKE IN PUBLIC
MODERATE STREET FLOODING.
1005 PM HAIL BEECHER 41.35N 87.61W
05/06/2012 E0.50 INCH WILL IL EMERGENCY MNGR
DIME SIZE HAIL REPORTED BY BEECHER POLICE DEPARTMENT.
0702 PM FLASH FLOOD 4 N FREELAND PARK 40.68N 87.49W
05/06/2012 BENTON IN LAW ENFORCEMENT
WATER COMPLETELY COVERING ROUTE 71 AT INTERSECTION OF
500N.
0638 PM FLASH FLOOD 5 WSW KENTLAND 40.74N 87.53W
05/06/2012 BENTON IN TRAINED SPOTTER
ROAD COMPLETELY WASHED OUT AT THE INTERSECTION OF 900N
AND 1100W AT THE BENTON AND IROQUOIS COUNTY LINE. WATER
UP TO THE HOOD OF CAR SPOTTER IS IN.
0600 PM FLASH FLOOD 2 E WATSEKA 40.78N 87.69W
05/06/2012 IROQUOIS IL EMERGENCY MNGR
1730N ROAD BUCKLED WHICH IS NEAR RTE 1. THIS WAS
POTENTIALLY DUE TO WATER. TIME IS OF REPORT. TIME OF ROAD
BUCKLING UNKNOWN.
0558 PM TSTM WND DMG OTTERBEIN 40.49N 87.11W
05/06/2012 BENTON IN LAW ENFORCEMENT
DELAYED REPORT. TIME ESTIMATED FROM RADAR. 2 POWERPOLES
DOWN AND A LARGE TREE LIMB ACROSS A ROAD.
0513 PM HAIL CISSNA PARK 40.57N 87.89W
05/06/2012 E0.25 INCH IROQUOIS IL TRAINED SPOTTER
EST WIND GUST 30 MPH. SMALL LIMBS DOWN.
0500 PM TORNADO 3 E WATSEKA 40.77N 87.67W
05/06/2012 IROQUOIS IL EMERGENCY MNGR
DELAYED REPORT. TIME BASED OFF RADAR. POSSIBLE TORNADO.
DAMAGE STARTED ON SE SIDE OF WATSEKA E OF RT 1 AND S OF
RT 24. MULTIPLE TREES DOWN. SIDING RIPPED OFF BLDGS.
SIGNS MANGLED. ON A PROPERTY ON CR 1730N...A 40X40 CINDER
BLOCK BLDG WAS TORN APART...WITH CINDER BLOCKS TOSSED AND
LIGHTER DEBRIS FROM BLDG TOSSED 1-1.5 MILES DOWNSTREAM TO
THE NEXT PROPERTY. HERE...A HOUSE HAD WINDOWS BLOWN OUT
AND A CAMPER INSIDE A GARAGE WAS IMPALED BY A BOARD.
DAMAGE CONTINUED TO NEAR STATE LINE.
0455 PM HAIL CHATSWORTH 40.75N 88.29W
05/06/2012 M0.88 INCH LIVINGSTON IL TRAINED SPOTTER
PENNY TO NICKEL SIZE HAIL IN THE TOWN OF CHATSWORTH.
0445 PM TSTM WND DMG CRESCENT CITY 40.77N 87.86W
05/06/2012 IROQUOIS IL TRAINED SPOTTER
2 REPORTS RCVD - EAST OF CRESCENT CITY TO WATSEKA ALONG
US 24. EST 60 POWER POLES BLOWN DOWN OVER RR TRACKS IN A
3/4 TO 1 1/2 MILE SECTION. OTHER POLES WERE DAMAGED. TIME
APPROX FROM 2140 UTC TO 2200 UTC
0435 PM HEAVY RAIN 5 W WATSEKA 40.78N 87.83W
05/06/2012 E1.37 INCH IROQUOIS IL COCORAHS
1.37 INCHES IN 30 MINUTES. SOME WIND DAMAGE TO FARM
BUILDING DUE TO STRAIGHT LINE WINDS.
0432 PM HAIL CAMPUS 41.02N 88.31W
05/06/2012 M0.25 INCH LIVINGSTON IL TRAINED SPOTTER
PEA SIZE HAIL IN CAMPUS.
0415 PM FLASH FLOOD 5 E WENONA 41.05N 88.96W
05/06/2012 LA SALLE IL LAW ENFORCEMENT
TWO FEET OF WATER OVER ILLINOIS HIGHWAY 17 NEAR THE LA
SALLE AND LIVINGSTON COUNTY BORDERS.
0402 PM HAIL 2 E DWIGHT 41.10N 88.39W
05/06/2012 E0.50 INCH LIVINGSTON IL TRAINED SPOTTER
ALONG RT 17 DIME SIZE HAIL.
0357 PM FUNNEL CLOUD STREATOR 41.13N 88.83W
05/06/2012 LA SALLE IL PUBLIC
LAW ENFORCEMENT RELAYED A PUBLIC REPORT OF A POSSIBLE
FUNNEL VISIBLE FROM THE 1500 BLOCK OF SOUTH JEFFERSON.
0355 PM FLASH FLOOD 4 SE STREATOR 41.08N 88.78W
05/06/2012 LIVINGSTON IL LAW ENFORCEMENT
WATER OVER MANY ROADWAYS IN NEW TOWN TOWNSHIP. THIS
CONTINUES AS OF 7 PM.
0350 PM FUNNEL CLOUD 2 NNE ASHKUM 40.91N 87.94W
05/06/2012 IROQUOIS IL TRAINED SPOTTER
SPOTTER REPORTED A LOW ROTATING WALL CLOUD WITH A
POSSIBLE FUNNEL.
0350 PM TORNADO ASHKUM 40.88N 87.95W
05/06/2012 IROQUOIS IL PUBLIC
SOUTH OF TOWN ALONG I-57 NEAR MILE MARKER 290.
0350 PM TSTM WND GST 6 E WENONA 41.05N 88.94W
05/06/2012 M60.00 MPH LIVINGSTON IL TRAINED SPOTTER
0350 PM FUNNEL CLOUD 6 E WENONA 41.05N 88.94W
05/06/2012 LIVINGSTON IL TRAINED SPOTTER
FUNNEL WAS BECOMING RAIN-WRAPPED.
0339 PM HAIL CHEBANSE 41.00N 87.91W
05/06/2012 E0.25 INCH IROQUOIS IL TRAINED SPOTTER
0335 PM HAIL CLIFTON 40.94N 87.93W
05/06/2012 E2.75 INCH IROQUOIS IL EMERGENCY MNGR
EM RELAYED A PUBLIC REPORT OF BASEBALL SIZE HAIL.
0333 PM HAIL CHEBANSE 41.00N 87.91W
05/06/2012 M1.75 INCH IROQUOIS IL TRAINED SPOTTER
0331 PM HAIL STREATOR 41.13N 88.83W
05/06/2012 M1.00 INCH LA SALLE IL TRAINED SPOTTER
IN TOWN.
0330 PM HAIL 5 W WATSEKA 40.78N 87.83W
05/06/2012 E0.25 INCH IROQUOIS IL COCORAHS
0329 PM HAIL SW CHEBANSE 41.00N 87.91W
05/06/2012 E0.50 INCH IROQUOIS IL TRAINED SPOTTER
DIME SIZE HAIL SW OF CHEBANSE.
0325 PM HAIL 12 NW CLIFTON 41.06N 88.10W
05/06/2012 M1.75 INCH KANKAKEE IL TRAINED SPOTTER
APPROXIMATELY AT INTERSECTION OF 3200 NORTH AND 400 EAST
IN NORTHWEST IROQUOIS COUNTY.
0320 PM HAIL 13 NW CLIFTON 41.07N 88.11W
05/06/2012 M1.00 INCH KANKAKEE IL TRAINED SPOTTER
INTERSECTION OF COUNTY ROADS 3300 NORTH AND 400 EAST IN
NORTHWEST IROQUOIS COUNTY.
0252 PM HAIL CHICAGO 41.88N 87.63W
05/06/2012 E0.88 INCH COOK IL TRAINED SPOTTER
MIXED NICKEL AND DIME SIZE HAIL IN HUMBOLDT PARK.
0215 PM HEAVY RAIN FOX LAKE 42.42N 88.18W
05/06/2012 E1.70 INCH LAKE IL PUBLIC
STORM TOTAL OF 1.70 INCHES FROM THE MORNING RAINFALL.
0115 PM HEAVY RAIN WINTHROP HARBOR 42.48N 87.83W
05/06/2012 E1.08 INCH LAKE IL COCORAHS
1.08 INCHES IN 60 MINUTES.
0115 PM HEAVY RAIN 2 E LAKEMOOR 42.34N 88.17W
05/06/2012 E1.12 INCH LAKE IL COCORAHS
2 MILES SE OF LAKEMOOR...OR 1 MILE SOUTH OF VOLO - 1.12
INCHES IN 60 MINUTES.
0108 PM HAIL CRETE 41.45N 87.62W
05/06/2012 E0.50 INCH WILL IL TRAINED SPOTTER
DIME-SIZED HAIL.
0100 PM HAIL PARK FOREST 41.48N 87.69W
05/06/2012 E0.88 INCH COOK IL PUBLIC
0100 PM HEAVY RAIN 2 NNE GURNEE 42.40N 87.92W
05/06/2012 E0.81 INCH LAKE IL COCORAHS
0.81 OF AN INCH SO FAR WITH 0.21 IN 30 MINUTES.
1250 PM HEAVY RAIN 2 N WAUKEGAN 42.40N 87.87W
05/06/2012 E1.02 INCH LAKE IL COCORAHS
1.02 INCHES IN 40 MINUTES.
1249 PM HEAVY RAIN WAUKEGAN 42.37N 87.87W
05/06/2012 E0.62 INCH LAKE IL TRAINED SPOTTER
0.62 IN AN HOUR.
1245 PM HAIL MONEE 41.42N 87.75W
05/06/2012 E0.25 INCH WILL IL TRAINED SPOTTER
1130 AM HAIL FOX RIVER GROVE 42.20N 88.22W
05/06/2012 E0.25 INCH MCHENRY IL TRAINED SPOTTER
SMALLER THAN PEA SIZE HAIL. SOME ROTATION. HEAVY CLOUD TO
GROUND LIGHTNING.
1120 AM HAIL MONTGOMERY 41.73N 88.34W
05/06/2012 E0.25 INCH KANE IL BROADCAST MEDIA
VIEWER REPORT.
1115 AM HEAVY RAIN 4 NE LISBON 41.52N 88.43W
05/06/2012 E0.85 INCH KENDALL IL COCORAHS
0.85 INCH IN 20 MINUTES.
1114 AM HAIL 2 ESE MONTGOMERY 41.72N 88.31W
05/06/2012 E0.25 INCH KENDALL IL TRAINED SPOTTER
PEA SIZED HAIL AT DICKSON AND GALENA ROADS JUST NORTH OF
BRISTOL IL.
1110 AM HAIL SUGAR GROVE 41.77N 88.46W
05/06/2012 E0.25 INCH KANE IL TRAINED SPOTTER
2 MILES SW OF AURORA AIRPORT.
1110 AM HAIL 4 W HUNTLEY 42.17N 88.50W
05/06/2012 E0.50 INCH MCHENRY IL COCORAHS
1104 AM HAIL 4 NE LISBON 41.52N 88.43W
05/06/2012 E0.75 INCH KENDALL IL COCORAHS
1040 AM HAIL BELVIDERE 42.25N 88.85W
05/06/2012 E1.00 INCH BOONE IL PUBLIC
1025 AM HAIL BELVIDERE 42.25N 88.85W
05/06/2012 E0.50 INCH BOONE IL BROADCAST MEDIA
DIME SIZED HAIL REPORTED BY VIEWER.
1025 AM HAIL BELVIDERE 42.25N 88.85W
05/06/2012 E1.00 INCH BOONE IL COCORAHS
MOSTLY PEA AND SLIGHTLY LARGER - SOME NICKEL-SIZED AND A
FEW QUARTER-SIZED.
&&
RCLocal storm report, May 7, 2:34 AM CDT, 1 hour 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
234 AM CDT MON MAY 07 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0220 AM FLASH FLOOD KENTLAND 40.77N 87.45W
05/07/2012 NEWTON IN LAW ENFORCEMENT
1800S 700W IMPASSABLE AND CLOSED DUE TO FLOODING.
&&
RCLocal storm report, May 7, 3:17 AM CDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
317 AM CDT MON MAY 07 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0220 AM FLASH FLOOD KENTLAND 40.77N 87.45W
05/07/2012 NEWTON IN LAW ENFORCEMENT
1800S 700W IMPASSABLE AND CLOSED DUE TO FLOODING.
0215 AM FLASH FLOOD HEBRON 41.32N 87.20W
05/07/2012 PORTER IN TRAINED SPOTTER
SEVERAL ROADS IN HEBRON FLOODED AND IMPASSABLE. BOTH
RETENTION PONDS OVERFLOWING. WATER APPROACHING BUILDINGS
IN INDUSTRIAL PARK.
0214 AM HEAVY RAIN HEBRON 41.32N 87.20W
05/07/2012 M4.60 INCH PORTER IN TRAINED SPOTTER
4.60 INCHES SINCE 1030 PM CDT.
0137 AM HEAVY RAIN HEBRON 41.32N 87.20W
05/07/2012 M4.47 INCH PORTER IN TRAINED SPOTTER
4.47 INCHES SINCE 1030 PM CDT. 1.60 INCHES IN THE LAST 40
MINUTES.
1257 AM HEAVY RAIN HEBRON 41.32N 87.20W
05/07/2012 M2.87 INCH PORTER IN TRAINED SPOTTER
2.87 INCHES SINCE 1030 PM CDT. STILL RAINING VERY
HEAVILY.
1250 AM FLASH FLOOD CROWN POINT 41.42N 87.36W
05/07/2012 LAKE IN PUBLIC
SIGNIFICANT STREET FLOODING. SEVERAL INCHES OF WATER
FLOWING DOWN STREETS WITH MANHOLE COVERS OFF SPEWING
WATER EVERYWHERE.
1250 AM FLASH FLOOD CEDAR LAKE 41.37N 87.44W
05/07/2012 LAKE IN LAW ENFORCEMENT
ROADS CLOSED DUE TO FLASH FLOODING. 133RD AVENUE HAS
ABOUT 3.5 OF WATER COVERING ROAD...WITH 2.5 TO 3 FEET OF
WATER COVERING LAKESHORE DRIVE.
1230 AM FLASH FLOOD 3 SW MORRIS 41.34N 88.47W
05/07/2012 GRUNDY IL LAW ENFORCEMENT
WEST SOUTHMOR ROAD SOUTHWEST OF THE TOWN CENTER
IMPASSABLE DUE TO FLOODING.
1144 PM HAIL MAZON 41.24N 88.42W
05/06/2012 E0.25 INCH GRUNDY IL TRAINED SPOTTER
1142 PM HAIL 4 SW MORRIS 41.33N 88.48W
05/06/2012 E0.25 INCH GRUNDY IL TRAINED SPOTTER
1104 PM HAIL STREATOR 41.13N 88.83W
05/06/2012 M1.00 INCH LA SALLE IL TRAINED SPOTTER
1101 PM HAIL STREATOR 41.13N 88.83W
05/06/2012 E0.50 INCH LA SALLE IL TRAINED SPOTTER
DIME SIZE HAIL LASTED 3 MINUTES.
1057 PM FLASH FLOOD MARSEILLES 41.33N 88.69W
05/06/2012 LA SALLE IL TRAINED SPOTTER
RYALL STREET IMPASSABLE AND CLOSED DUE TO FLOODING. ABOUT
2 FEET OF WATER COVERING ROAD...WITH RUNOFF CONTINUING
DOWNHILL INTO AREA.
1055 PM FLOOD CEDAR LAKE 41.37N 87.44W
05/06/2012 LAKE IN PUBLIC
MODERATE STREET FLOODING.
1005 PM HAIL BEECHER 41.35N 87.61W
05/06/2012 E0.50 INCH WILL IL EMERGENCY MNGR
DIME SIZE HAIL REPORTED BY BEECHER POLICE DEPARTMENT.
0702 PM FLASH FLOOD 4 N FREELAND PARK 40.68N 87.49W
05/06/2012 BENTON IN LAW ENFORCEMENT
WATER COMPLETELY COVERING ROUTE 71 AT INTERSECTION OF
500N.
0638 PM FLASH FLOOD 5 WSW KENTLAND 40.74N 87.53W
05/06/2012 BENTON IN TRAINED SPOTTER
ROAD COMPLETELY WASHED OUT AT THE INTERSECTION OF 900N
AND 1100W AT THE BENTON AND IROQUOIS COUNTY LINE. WATER
UP TO THE HOOD OF CAR SPOTTER IS IN.
0600 PM FLASH FLOOD 2 E WATSEKA 40.78N 87.69W
05/06/2012 IROQUOIS IL EMERGENCY MNGR
1730N ROAD BUCKLED WHICH IS NEAR RTE 1. THIS WAS
POTENTIALLY DUE TO WATER. TIME IS OF REPORT. TIME OF ROAD
BUCKLING UNKNOWN.
0558 PM TSTM WND DMG OTTERBEIN 40.49N 87.11W
05/06/2012 BENTON IN LAW ENFORCEMENT
DELAYED REPORT. TIME ESTIMATED FROM RADAR. 2 POWERPOLES
DOWN AND A LARGE TREE LIMB ACROSS A ROAD.
0513 PM HAIL CISSNA PARK 40.57N 87.89W
05/06/2012 E0.25 INCH IROQUOIS IL TRAINED SPOTTER
EST WIND GUST 30 MPH. SMALL LIMBS DOWN.
0500 PM TORNADO 3 E WATSEKA 40.77N 87.67W
05/06/2012 IROQUOIS IL EMERGENCY MNGR
DELAYED REPORT. TIME BASED OFF RADAR. POSSIBLE TORNADO.
DAMAGE STARTED ON SE SIDE OF WATSEKA E OF RT 1 AND S OF
RT 24. MULTIPLE TREES DOWN. SIDING RIPPED OFF BLDGS.
SIGNS MANGLED. ON A PROPERTY ON CR 1730N...A 40X40 CINDER
BLOCK BLDG WAS TORN APART...WITH CINDER BLOCKS TOSSED AND
LIGHTER DEBRIS FROM BLDG TOSSED 1-1.5 MILES DOWNSTREAM TO
THE NEXT PROPERTY. HERE...A HOUSE HAD WINDOWS BLOWN OUT
AND A CAMPER INSIDE A GARAGE WAS IMPALED BY A BOARD.
DAMAGE CONTINUED TO NEAR STATE LINE.
0455 PM HAIL CHATSWORTH 40.75N 88.29W
05/06/2012 M0.88 INCH LIVINGSTON IL TRAINED SPOTTER
PENNY TO NICKEL SIZE HAIL IN THE TOWN OF CHATSWORTH.
0445 PM TSTM WND DMG CRESCENT CITY 40.77N 87.86W
05/06/2012 IROQUOIS IL TRAINED SPOTTER
2 REPORTS RCVD - EAST OF CRESCENT CITY TO WATSEKA ALONG
US 24. EST 60 POWER POLES BLOWN DOWN OVER RR TRACKS IN A
3/4 TO 1 1/2 MILE SECTION. OTHER POLES WERE DAMAGED. TIME
APPROX FROM 2140 UTC TO 2200 UTC
0435 PM HEAVY RAIN 5 W WATSEKA 40.78N 87.83W
05/06/2012 E1.37 INCH IROQUOIS IL COCORAHS
1.37 INCHES IN 30 MINUTES. SOME WIND DAMAGE TO FARM
BUILDING DUE TO STRAIGHT LINE WINDS.
0432 PM HAIL CAMPUS 41.02N 88.31W
05/06/2012 M0.25 INCH LIVINGSTON IL TRAINED SPOTTER
PEA SIZE HAIL IN CAMPUS.
0415 PM FLASH FLOOD 5 E WENONA 41.05N 88.96W
05/06/2012 LA SALLE IL LAW ENFORCEMENT
TWO FEET OF WATER OVER ILLINOIS HIGHWAY 17 NEAR THE LA
SALLE AND LIVINGSTON COUNTY BORDERS.
0402 PM HAIL 2 E DWIGHT 41.10N 88.39W
05/06/2012 E0.50 INCH LIVINGSTON IL TRAINED SPOTTER
ALONG RT 17 DIME SIZE HAIL.
0357 PM FUNNEL CLOUD STREATOR 41.13N 88.83W
05/06/2012 LA SALLE IL PUBLIC
LAW ENFORCEMENT RELAYED A PUBLIC REPORT OF A POSSIBLE
FUNNEL VISIBLE FROM THE 1500 BLOCK OF SOUTH JEFFERSON.
0355 PM FLASH FLOOD 4 SE STREATOR 41.08N 88.78W
05/06/2012 LIVINGSTON IL LAW ENFORCEMENT
WATER OVER MANY ROADWAYS IN NEW TOWN TOWNSHIP. THIS
CONTINUES AS OF 7 PM.
0350 PM TSTM WND GST 6 E WENONA 41.05N 88.94W
05/06/2012 M60.00 MPH LIVINGSTON IL TRAINED SPOTTER
0350 PM TORNADO ASHKUM 40.88N 87.95W
05/06/2012 IROQUOIS IL PUBLIC
SOUTH OF TOWN ALONG I-57 NEAR MILE MARKER 290.
0350 PM FUNNEL CLOUD 2 NNE ASHKUM 40.91N 87.94W
05/06/2012 IROQUOIS IL TRAINED SPOTTER
SPOTTER REPORTED A LOW ROTATING WALL CLOUD WITH A
POSSIBLE FUNNEL.
0350 PM FUNNEL CLOUD 6 E WENONA 41.05N 88.94W
05/06/2012 LIVINGSTON IL TRAINED SPOTTER
FUNNEL WAS BECOMING RAIN-WRAPPED.
0339 PM HAIL CHEBANSE 41.00N 87.91W
05/06/2012 E0.25 INCH IROQUOIS IL TRAINED SPOTTER
0335 PM HAIL CLIFTON 40.94N 87.93W
05/06/2012 E2.75 INCH IROQUOIS IL EMERGENCY MNGR
EM RELAYED A PUBLIC REPORT OF BASEBALL SIZE HAIL.
0333 PM HAIL CHEBANSE 41.00N 87.91W
05/06/2012 M1.75 INCH IROQUOIS IL TRAINED SPOTTER
0331 PM HAIL STREATOR 41.13N 88.83W
05/06/2012 M1.00 INCH LA SALLE IL TRAINED SPOTTER
IN TOWN.
0330 PM HAIL 5 W WATSEKA 40.78N 87.83W
05/06/2012 E0.25 INCH IROQUOIS IL COCORAHS
0329 PM HAIL SW CHEBANSE 41.00N 87.91W
05/06/2012 E0.50 INCH IROQUOIS IL TRAINED SPOTTER
DIME SIZE HAIL SW OF CHEBANSE.
0325 PM HAIL 12 NW CLIFTON 41.06N 88.10W
05/06/2012 M1.75 INCH KANKAKEE IL TRAINED SPOTTER
APPROXIMATELY AT INTERSECTION OF 3200 NORTH AND 400 EAST
IN NORTHWEST IROQUOIS COUNTY.
0320 PM HAIL 13 NW CLIFTON 41.07N 88.11W
05/06/2012 M1.00 INCH KANKAKEE IL TRAINED SPOTTER
INTERSECTION OF COUNTY ROADS 3300 NORTH AND 400 EAST IN
NORTHWEST IROQUOIS COUNTY.
0252 PM HAIL CHICAGO 41.88N 87.63W
05/06/2012 E0.88 INCH COOK IL TRAINED SPOTTER
MIXED NICKEL AND DIME SIZE HAIL IN HUMBOLDT PARK.
0215 PM HEAVY RAIN FOX LAKE 42.42N 88.18W
05/06/2012 E1.70 INCH LAKE IL PUBLIC
STORM TOTAL OF 1.70 INCHES FROM THE MORNING RAINFALL.
0115 PM HEAVY RAIN WINTHROP HARBOR 42.48N 87.83W
05/06/2012 E1.08 INCH LAKE IL COCORAHS
1.08 INCHES IN 60 MINUTES.
0115 PM HEAVY RAIN 2 E LAKEMOOR 42.34N 88.17W
05/06/2012 E1.12 INCH LAKE IL COCORAHS
2 MILES SE OF LAKEMOOR...OR 1 MILE SOUTH OF VOLO - 1.12
INCHES IN 60 MINUTES.
0108 PM HAIL CRETE 41.45N 87.62W
05/06/2012 E0.50 INCH WILL IL TRAINED SPOTTER
DIME-SIZED HAIL.
0100 PM HEAVY RAIN 2 NNE GURNEE 42.40N 87.92W
05/06/2012 E0.81 INCH LAKE IL COCORAHS
0.81 OF AN INCH SO FAR WITH 0.21 IN 30 MINUTES.
0100 PM HAIL PARK FOREST 41.48N 87.69W
05/06/2012 E0.88 INCH COOK IL PUBLIC
1250 PM HEAVY RAIN 2 N WAUKEGAN 42.40N 87.87W
05/06/2012 E1.02 INCH LAKE IL COCORAHS
1.02 INCHES IN 40 MINUTES.
1249 PM HEAVY RAIN WAUKEGAN 42.37N 87.87W
05/06/2012 E0.62 INCH LAKE IL TRAINED SPOTTER
0.62 IN AN HOUR.
1245 PM HAIL MONEE 41.42N 87.75W
05/06/2012 E0.25 INCH WILL IL TRAINED SPOTTER
1130 AM HAIL FOX RIVER GROVE 42.20N 88.22W
05/06/2012 E0.25 INCH MCHENRY IL TRAINED SPOTTER
SMALLER THAN PEA SIZE HAIL. SOME ROTATION. HEAVY CLOUD TO
GROUND LIGHTNING.
1120 AM HAIL MONTGOMERY 41.73N 88.34W
05/06/2012 E0.25 INCH KANE IL BROADCAST MEDIA
VIEWER REPORT.
1115 AM HEAVY RAIN 4 NE LISBON 41.52N 88.43W
05/06/2012 E0.85 INCH KENDALL IL COCORAHS
0.85 INCH IN 20 MINUTES.
1114 AM HAIL 2 ESE MONTGOMERY 41.72N 88.31W
05/06/2012 E0.25 INCH KENDALL IL TRAINED SPOTTER
PEA SIZED HAIL AT DICKSON AND GALENA ROADS JUST NORTH OF
BRISTOL IL.
1110 AM HAIL 4 W HUNTLEY 42.17N 88.50W
05/06/2012 E0.50 INCH MCHENRY IL COCORAHS
1110 AM HAIL SUGAR GROVE 41.77N 88.46W
05/06/2012 E0.25 INCH KANE IL TRAINED SPOTTER
2 MILES SW OF AURORA AIRPORT.
1104 AM HAIL 4 NE LISBON 41.52N 88.43W
05/06/2012 E0.75 INCH KENDALL IL COCORAHS
1040 AM HAIL BELVIDERE 42.25N 88.85W
05/06/2012 E1.00 INCH BOONE IL PUBLIC
1025 AM HAIL BELVIDERE 42.25N 88.85W
05/06/2012 E0.50 INCH BOONE IL BROADCAST MEDIA
DIME SIZED HAIL REPORTED BY VIEWER.
1025 AM HAIL BELVIDERE 42.25N 88.85W
05/06/2012 E1.00 INCH BOONE IL COCORAHS
MOSTLY PEA AND SLIGHTLY LARGER - SOME NICKEL-SIZED AND A
FEW QUARTER-SIZED.
&&
RCThe office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 9:01 PM CDT | Special Weather Statement | LOT | Cook | 59 min |
| May 6, 9:23 PM CDT | River Flood Watch | LOT | Lake | 13 hr |
| May 6, 9:40 PM CDT | River Flood Advisory | LOT | Will | 24 hr |
| May 6, 9:40 PM CDT | River Flood Advisory | LOT | Iroquois | 67 hr |
| May 6, 9:55 PM CDT | Severe Thunderstorm Warning | LOT | Grundy, Kankakee, Will | 50 min |
| May 6, 10:32 PM CDT | Special Weather Statement | LOT | Cook | 43 min |
| May 6, 10:35 PM CDT | Special Weather Statement | LOT | Cook | 40 min |
| May 6, 10:58 PM CDT | Areal Flood Advisory | LOT | DeKalb, LaSalle, Lee | 6 hr |
| May 6, 11:09 PM CDT | Special Weather Statement | LOT | Grundy | 36 min |
| May 6, 11:22 PM CDT | Flash Flood Warning | LOT | Grundy, Kendall, LaSalle, Livingston | 8 hr |
| May 6, 11:24 PM CDT | Flash Flood Warning | LOT | Cook, Grundy, Kankakee, Kendall, Will | 6 hr |
| May 7, 12:26 AM CDT | Flash Flood Warning | LOT | Ford, Iroquois, Kankakee | 7 hr |
| May 7, 1:43 AM CDT | Flash Flood Warning | LOT | Iroquois | 6 hr |
| May 7, 2:02 AM CDT | River Flood Advisory | LOT | Kane, Kendall | 8 hr |
| May 7, 5:05 AM CDT | Areal Flood Advisory | LOT | DeKalb, LaSalle, Lee | 2 hr |
| May 7, 5:42 AM CDT | Areal Flood Warning | LOT | Grundy, Kankakee, Will | 12 hr |
| May 7, 6:15 AM CDT | River Flood Warning | LOT | Bureau, LaSalle | 5 days |
| May 7, 6:23 AM CDT | River Flood Advisory | LOT | Grundy | 16 hr |
| May 7, 6:23 AM CDT | River Flood Advisory | LOT | LaSalle | 16 hr |
| May 7, 7:00 AM CDT | Areal Flood Warning | LOT | Ford, Grundy, Iroquois, Kankakee, LaSalle, Livingston | 22 hr |
| May 7, 8:18 AM CDT | River Flood Warning | LOT | LaSalle | 9 hr |
| May 7, 10:06 AM CDT | River Flood Advisory | LOT | Grundy, Will | 68 hr |
| May 7, 10:06 AM CDT | River Flood Advisory | LOT | Grundy | 8 hr |
| May 7, 3:36 PM CDT | River Flood Advisory | LOT | Iroquois | 7 hr |
| May 7, 5:30 PM CDT | River Flood Warning | LOT | Grundy | 28 hr |
| May 7, 5:31 PM CDT | Areal Flood Warning | LOT | Grundy, Kankakee, Will | 12 hr |
Nearby
Flash Flood Warnings in Illinois, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.