Alert archive / Illinois / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 23, NWS Chicago, IL
NWS Chicago, IL issued this severe thunderstorm warning at May 11, 2014, 11:09 PM CDT for Ford County, Iroquois County, Illinois. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 11, 2014, 11:09 PM CDT (04:09 UTC)
- Expired
- May 12, 2014, 12:00 AM CDT
- In force
- 51 min
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Ford County, IL, Iroquois County, IL
The radar
The Chicago radar (KLOT), 104 km from the middle of the area, began a volume at 04:11 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 4.2 hours before the alert went out and 76 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
- 2685 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 968 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 7.1
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at May 11, 10:09 PM CDT, 1 hour earlier.
Area forecast discussion, May 11, 10:09 PM CDT, 1 hour before
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</html>Hazardous weather outlook, May 11, 9:06 PM CDT, 2 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
906 PM CDT SUN MAY 11 2014
ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
130215-
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-
906 PM CDT SUN MAY 11 2014 /1006 PM EDT SUN MAY 11 2014/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...REST OF TONIGHT.
WEATHER HAZARDS EXPECTED:
SCATTERED THUNDERSTORMS...SOME COULD BE SEVERE WITH:
HAIL UP TO NEAR THE SIZE OF QUARTERS.
STRONG WINDS OVER 50 MPH.
TORRENTIAL DOWNPOURS.
FREQUENT LIGHTNING.
AREAS AFFECTED AND TIMING:
A BROKEN LINE OF STORMS WILL GRADUALLY WANE IN INTENSITY ACROSS
AREAS SOUTH OF THE KANKAKEE RIVER THROUGH EARLY OVERNIGHT.
SCATTERED THUNDERSTORMS ARE POSSIBLE ELSEWHERE
OVERNIGHT...MAINLY NORTH CENTRAL ILLINOIS IN THE PRE-DAWN HOURS.
DISCUSSION:
WHILE THE SEVERE WEATHER THREAT HAS DIMINISHED...SCATTERED STORMS
MAY REDEVELOP ACROSS PARTS OF NORTH CENTRAL ILLINOIS LATE TONIGHT
TO NEAR DAYBREAK. ENOUGH INSTABILITY MAY STILL PRESENT THE CHANCE
OF LARGE HAIL AND SOME STRONG WINDS.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.
THERE IS A CHANCE OF THUNDERSTORMS MONDAY...MAINLY ACROSS
NORTHERN ILLINOIS...WITH THE POTENTIAL INCREASING MONDAY NIGHT.
THERE IS A THREAT OF ISOLATED SEVERE THUNDERSTORMS...MAINLY
ACROSS NORTH CENTRAL ILLINOIS. THERE IS A SLIGHT CHANCE THAT
THUNDERSTORMS COULD LINGER THROUGH EARLY TUESDAY AFTERNOON OVER
NORTHWEST INDIANA.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS UNLIKELY OVERNIGHT.
&&
LMZ740>745-130215-
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-
906 PM CDT SUN MAY 11 2014
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE
WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE
MICHIGAN.
.DAY ONE...REST OF TONIGHT.
ISOLATED THUNDERSTORMS ARE POSSIBLE...SOME OF WHICH MAY PRODUCE
WIND GUSTS IN EXCESS OF 35 KT.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.
THERE IS A CHANCE OF THUNDERSTORMS MONDAY...WITH THE THREAT OF
THUNDERSTORMS INCREASING MONDAY NIGHT AND POTENTIALLY LINGERING
INTO TUESDAY MORNING. SOME THREAT DOES EXISTS FOR THUNDERSTORMS
MONDAY NIGHT TO PRODUCE WIND GUSTS OVER 35 KNOTS.
STRONG WINDS WILL LEAD TO HAZARDOUS CONDITIONS FOR SMALL CRAFT
MONDAY.
&&
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-130215-
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-
906 PM CDT SUN MAY 11 2014
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.
.DAY ONE...REST OF TONIGHT.
SCATTERED THUNDERSTORMS ARE POSSIBLE ACROSS MUCH OF THE LAKE. SOME
OF THESE COULD PRODUCE WIND GUSTS IN EXCESS OF 35 KT.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.
THUNDERSTORMS ARE POSSIBLE MONDAY THROUGH TUESDAY MORNING...SOME
MAY BE SEVERE.
DENSE FOG IS POSSIBLE MONDAY AND MONDAY NIGHT.
&&
MTF
VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)
FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.CHICAGO.GOV
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGOIn the hours before
Local storm report, May 11, 8:52 PM CDT, 2 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
852 PM CDT SUN MAY 11 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0545 PM TSTM WND DMG REDDICK 41.10N 88.25W
05/11/2014 KANKAKEE IL TRAINED SPOTTER
3 WOODEN POWER POLES DOWN ON 19522 WEST ON 2000 SOUTH
ROAD. ESTIMATED 60 MPH WIND GUSTS.
&&
RCLocal storm report, May 11, 8:53 PM CDT, 2 hours 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
853 PM CDT SUN MAY 11 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0840 PM HEAVY RAIN 1 NE NEW LENOX 41.53N 87.97W
05/11/2014 M1.76 INCH WILL IL COCORAHS
STORM TOTAL BETWEEN 610 PM AND 840 PM.
&&
RCLocal storm report, May 11, 8:59 PM CDT, 2 hours 10 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
859 PM CDT SUN MAY 11 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0840 PM HEAVY RAIN 1 NE NEW LENOX 41.53N 87.97W
05/11/2014 M1.76 INCH WILL IL COCORAHS
STORM TOTAL BETWEEN 610 PM AND 840 PM.
0807 PM TORNADO 4 W RENSSELAER 40.94N 87.23W
05/11/2014 JASPER IN FIRE DEPT/RESCUE
REPORT OF ROTATION ON THE GROUND...SPOTTED FROM I-65 AND
HIGHWAY 114. RELAYED THROUGH COUNTY DISPATCH.
0804 PM FLASH FLOOD LAKE STATION 41.57N 87.26W
05/11/2014 LAKE IN LAW ENFORCEMENT
5 TO 6 INCHES OF FLOWING WATER ON SOME AREA
ROADWAYS...INCLUDING CENTRAL...FAIRVIEW...GRANDVIEW.
0804 PM FLOOD HIGHLAND 41.55N 87.46W
05/11/2014 LAKE IN EMERGENCY MNGR
7 INCHES OF STANDING WATER ON ROAD NEAR MARTHA STREET AND
HIGHLAND PLACE.
0757 PM FUNNEL CLOUD BROOK 40.87N 87.37W
05/11/2014 NEWTON IN PUBLIC
0750 PM TSTM WND DMG LAKE STATION 41.57N 87.26W
05/11/2014 LAKE IN PUBLIC
8 TO 10 INCH TREE UPROOTED ON HUNTINGTON ST. SOCIAL MEDIA
0745 PM HEAVY RAIN ALSIP 41.67N 87.74W
05/11/2014 M1.89 INCH COOK IL COCORAHS
AMOUNT OF RAINFALL IN THE PAST 90 MINUTES.
0745 PM HEAVY RAIN E ALSIP 41.67N 87.74W
05/11/2014 M1.89 INCH COOK IL COCORAHS
RAINFALL IN 90 MINUTES.
0744 PM FLASH FLOOD HAMMOND 41.62N 87.49W
05/11/2014 LAKE IN EMERGENCY MNGR
5 TO 6 INCHES OF FLOWING WATER. MANHOLE COVERS BEING
FORCED OUT. 131ST STREET SHEFFIELD/CALUMET AND
165TH/167TH STREETS.
0740 PM TSTM WND GST 3 NE TOWN OF PINES 41.73N 86.91W
05/11/2014 M61.00 MPH PORTER IN C-MAN STATION
MICHIGAN CITY C-MAN STATION.
0739 PM FLOOD HIGHLAND 41.55N 87.46W
05/11/2014 LAKE IN TRAINED SPOTTER
4 TO 5 INCHES OF FLOWING WATER IN PARKING LOTS. CLINE
AVENUE AND RIDGE ROAD.
0727 PM FLOOD ORLAND PARK 41.61N 87.85W
05/11/2014 COOK IL PUBLIC
4 TO 5 INCHES ON ROADWAY AT 145TH ST AND WEST AVE.
0727 PM FLASH FLOOD LAKE STATION 41.57N 87.26W
05/11/2014 LAKE IN EMERGENCY MNGR
2 FEET OF STANDING WATER. VEHICLES STALLED IN WATER ON
GRANT BOULEVARD.
0726 PM FLOOD ORLAND PARK 41.61N 87.85W
05/11/2014 COOK IL TRAINED SPOTTER
ROAD UNDERWATER UP TO YARDS. 4 TO 5 INCHES OF STANDING
WATER.
0715 PM TSTM WND DMG 4 NE BURNS HARBOR 41.66N 87.06W
05/11/2014 PORTER IN PARK/FOREST SRVC
AT INDIANA DUNES STATE PARK. DOWNED TREE.
0712 PM HAIL 2 SW CHICAGO 41.86N 87.66W
05/11/2014 E0.75 INCH COOK IL PUBLIC
ALSO HEAVY RAINFALL.
0710 PM TSTM WND GST CHESTERTON 41.60N 87.06W
05/11/2014 M70.00 MPH PORTER IN TRAINED SPOTTER
TRANSFORMER BLEW.
0710 PM TSTM WND DMG NEW LENOX 41.52N 87.98W
05/11/2014 WILL IL TRAINED SPOTTER
TREE SNAPPED AT ROOTS AT COOPER AND ELM.
0704 PM FLASH FLOOD BURR RIDGE 41.75N 87.92W
05/11/2014 COOK IL DEPT OF HIGHWAYS
INTERSTATE 55 WAS CLOSED BETWEEN INTERSTATE 294 AND IL
ROUTE 171 DUE TO FLOODING.
0702 PM HAIL MERRILLVILLE 41.47N 87.33W
05/11/2014 E0.88 INCH LAKE IN TRAINED SPOTTER
ALSO FIELDS FLOODED WITH 2 TO 3 INCHES OF WATER. 53RD AND
MAIN STREET.
0700 PM TSTM WND DMG PORTAGE 41.59N 87.18W
05/11/2014 PORTER IN TRAINED SPOTTER
SOME LARGE TREES DOWN IN PORTAGE AND SOUTH HAVEN.
LOCATIONS OF DOWNED TREES INCLUDE STONE AVE AND
WILLOWDALE STREET.
0656 PM TSTM WND DMG LAKE STATION 41.57N 87.26W
05/11/2014 LAKE IN TRAINED SPOTTER
POWERLINES DOWN AND TREES DOWN AND 8 INCH DIAMETER TREE
LIMB ON TOP OF HOUSE 3117 MARTHA STREET.
0653 PM HEAVY RAIN HOMEWOOD 41.56N 87.66W
05/11/2014 M0.87 INCH COOK IL COCORAHS
RAINFALL SO FAR AND ALL FELL IN 25 MINUTES.
0650 PM HEAVY RAIN 2 NNW BURNHAM 41.66N 87.55W
05/11/2014 M1.25 INCH COOK IL COCORAHS
RAINFALL IN 20 MINUTES UP TO REPORT TIME.
0650 PM TSTM WND GST GARY 41.60N 87.34W
05/11/2014 M78.00 MPH LAKE IN TRAINED SPOTTER
MEASURED GUST TO 68 KNOTS AT THE GARY AIRPORT.
0645 PM HEAVY RAIN 1 NE NEW LENOX 41.53N 87.97W
05/11/2014 M1.28 INCH WILL IL COCORAHS
RAINFALL SO FAR FELL IN 35 MINUTES.
0639 PM TSTM WND GST CHICAGO 41.88N 87.63W
05/11/2014 E60.00 MPH COOK IL TRAINED SPOTTER
CHICAGO HEGWISH AREA.
0639 PM HAIL CHICAGO 41.88N 87.63W
05/11/2014 E1.00 INCH COOK IL TRAINED SPOTTER
CHICAGO HEGWISH AREA.
0637 PM HAIL 2 NNW BURNHAM 41.66N 87.56W
05/11/2014 E0.50 INCH COOK IL COCORAHS
0634 PM TSTM WND GST SOUTH HOLLAND 41.60N 87.60W
05/11/2014 M63.00 MPH COOK IL TRAINED SPOTTER
INTERSTATE 294.
0632 PM TSTM WND DMG JOLIET 41.53N 88.12W
05/11/2014 WILL IL LAW ENFORCEMENT
ROOF LOSS...BUT EXTENT UNKNOWN...AT HOTEL AT 4200 WEST
JERFFERSON.
0628 PM FLOOD WILLOWBROOK 41.76N 87.95W
05/11/2014 DUPAGE IL TRAINED SPOTTER
ON I-55 SOUTH AT EXIT 274.
0625 PM HEAVY RAIN 3 SW MIDWAY AIRPORT 41.75N 87.79W
05/11/2014 M1.17 INCH COOK IL CO-OP OBSERVER
RAIN BETWEEN 6PM AND 625 PM.
0624 PM FLOOD ZION 42.46N 87.84W
05/11/2014 LAKE IL TRAINED SPOTTER
APPROXIMATELY 8 INCHES OF WATER OVERFLOWING CURB NEAR
31ST STREET AND ELISHA AVE.
0614 PM TSTM WND GST PEOTONE 41.33N 87.80W
05/11/2014 M52.00 MPH WILL IL CO-OP OBSERVER
DELAYED REPORT.
0610 PM HAIL PONTIAC 40.88N 88.64W
05/11/2014 E0.50 INCH LIVINGSTON IL TRAINED SPOTTER
0604 PM TSTM WND GST 6 WNW MARSEILLES 41.36N 88.79W
05/11/2014 M68.00 MPH LA SALLE IL COCORAHS
0604 PM HEAVY RAIN 6 WNW MARSEILLES 41.36N 88.79W
05/11/2014 M1.09 INCH LA SALLE IL COCORAHS
RAIN FELL IN 15 MINUTES.
0556 PM HAIL CEDAR POINT 41.26N 89.13W
05/11/2014 E0.50 INCH LA SALLE IL TRAINED SPOTTER
5 MILES SOUTH OF I-80 AND 3 MILES WEST OF I-39.
0545 PM TSTM WND DMG REDDICK 41.10N 88.25W
05/11/2014 KANKAKEE IL TRAINED SPOTTER
3 WOODEN POWER POLES DOWN ON 19522 WEST ON 2000 SOUTH
ROAD. ESTIMATED 60 MPH WIND GUSTS.
0545 PM TSTM WND GST BONFIELD 41.15N 88.06W
05/11/2014 M40.00 MPH KANKAKEE IL TRAINED SPOTTER
487 N AND 13000 W RD.
0541 PM TSTM WND GST GARDNER 41.19N 88.31W
05/11/2014 E50.00 MPH GRUNDY IL TRAINED SPOTTER
ROUTE 47 AND GARDNER ROAD. SMALL TREE LIMBS DOWN.
0528 PM TSTM WND GST GRAYSLAKE 42.35N 88.04W
05/11/2014 M68.00 MPH LAKE IL EMERGENCY MNGR
.6 MILES NW OF ROUTE 60 AND PETERSON ROAD NEAR BORDER OF
GRAYSLAKE AND ROUND LAKE PARK.
0523 PM HAIL 2 NNE WAUCONDA 42.29N 88.12W
05/11/2014 E0.50 INCH LAKE IL COCORAHS
0523 PM HAIL EMINGTON 40.97N 88.36W
05/11/2014 E1.00 INCH LIVINGSTON IL TRAINED SPOTTER
LASTED ABOUT 4 MINUTES.
0521 PM HAIL LAKEMOOR 42.34N 88.20W
05/11/2014 E0.75 INCH MCHENRY IL TRAINED SPOTTER
0451 PM HAIL SW WOODSTOCK 42.31N 88.44W
05/11/2014 E0.88 INCH MCHENRY IL TRAINED SPOTTER
NICKEL SIZE HAIL NEAR ROUTE 176 AND FRANKLINVILLE ROADS.
0445 PM HAIL UNION 42.23N 88.54W
05/11/2014 E1.00 INCH MCHENRY IL TRAINED SPOTTER
QUARTER SIZE NEAR FRANKLIN AND KIRKLAND ROADS.
0440 PM HAIL BOLINGBROOK 41.70N 88.08W
05/11/2014 E0.25 INCH WILL IL TRAINED SPOTTER
PEA TO MARBLE SIZED HAIL AT ROUTE 53 AND BOUGHTON ROAD.
0440 PM HAIL MARENGO 42.25N 88.60W
05/11/2014 E1.25 INCH MCHENRY IL TRAINED SPOTTER
0440 PM TSTM WND GST BOLINGBROOK 41.70N 88.08W
05/11/2014 M52.00 MPH WILL IL TRAINED SPOTTER
MEASURED GUST TO 52 MPH AT ROUTE 53 AND BOUGHTON ROAD.
0438 PM TSTM WND GST SUGAR GROVE 41.77N 88.46W
05/11/2014 M59.00 MPH KANE IL ASOS
MEASURED GUST TO 59 MPH AT SUGAR GROVE/AURORA AIRPORT.
0435 PM HAIL ROMEOVILLE 41.65N 88.09W
05/11/2014 E0.25 INCH WILL IL OFFICIAL NWS OBS
PEA SIZE HAIL AT NWS OFFICE.
0428 PM HAIL CREST HILL 41.57N 88.11W
05/11/2014 E0.50 INCH WILL IL PUBLIC
DIME SIZED HAIL AT GAYLORD AND RENWICK. VIA FACEBOOK.
0425 PM HAIL 3 WSW MARENGO 42.23N 88.65W
05/11/2014 E0.88 INCH MCHENRY IL PUBLIC
DIME TO NICKEL SIZE HAIL NEAR THE BOONE/MCHENRY COUNTY
LINE.
0422 PM HAIL JOLIET 41.53N 88.12W
05/11/2014 E0.50 INCH WILL IL TRAINED SPOTTER
PEA TO MARBLE SIZED HAIL NEAR CATON FARM AND ESSINGTON
ROADS.
0409 PM HAIL HARMON 41.72N 89.56W
05/11/2014 E0.88 INCH LEE IL TRAINED SPOTTER
0338 PM HAIL ROCKFORD AIRPORT 42.20N 89.10W
05/11/2014 M0.50 INCH WINNEBAGO IL TRAINED SPOTTER
0336 PM TSTM WND GST ROCKFORD AIRPORT 42.20N 89.10W
05/11/2014 M48.00 MPH WINNEBAGO IL ASOS
0328 PM HAIL 3 W POPLAR GROVE 42.37N 88.88W
05/11/2014 E1.00 INCH BOONE IL CO-OP OBSERVER
NICKEL TO QUARTER SIZE HAIL IN CALEDONIA.
0315 PM HAIL LOVES PARK 42.34N 89.01W
05/11/2014 E0.88 INCH WINNEBAGO IL TRAINED SPOTTER
0310 PM HAIL LOVES PARK 42.34N 89.01W
05/11/2014 E0.25 INCH WINNEBAGO IL TRAINED SPOTTER
NEAR N. SECOND AND RIVERSIDE ROADS.
0302 PM HAIL ROCKFORD 42.27N 89.06W
05/11/2014 E0.88 INCH WINNEBAGO IL TRAINED SPOTTER
ROCKTON AND GLENWOOD ROADS.
0255 PM HAIL WINNEBAGO 42.27N 89.24W
05/11/2014 E0.25 INCH WINNEBAGO IL BROADCAST MEDIA
NEAR MERIDIAN AND AUBURN ROADS.
0250 PM TSTM WND DMG 1 W WINNEBAGO 42.27N 89.26W
05/11/2014 WINNEBAGO IL BROADCAST MEDIA
TWO POWER POLES AND WIRES DOWN 1.5 MILES WEST OF
WINNEBAGO NEAR CUNNINGHAM AND OSBORNE ROADS.
0250 PM HAIL ROCKFORD 42.27N 89.06W
05/11/2014 E0.25 INCH WINNEBAGO IL TRAINED SPOTTER
PEA SIZE HAIL NEAR ROUTE 20 AND MERIDIAN ROAD.
0233 PM HAIL WINNEBAGO 42.27N 89.24W
05/11/2014 E0.25 INCH WINNEBAGO IL BROADCAST MEDIA
&&
RCLocal storm report, May 11, 9:06 PM CDT, 2 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
906 PM CDT SUN MAY 11 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0841 PM FLASH FLOOD PORTAGE 41.59N 87.18W
05/11/2014 PORTER IN TRAINED SPOTTER
WATER UP TO PICKUP TRUCK DOORS ON WILLOW CREEK ROAD SOUTH
OF ROUTE 6.
&&
RCLocal storm report, May 11, 10:01 PM CDT, 1 hour 8 minutes before
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</html>Local storm report, May 11, 10:31 PM CDT, 38 minutes before
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</html>The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 7:43 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 62 min |
| May 11, 7:58 PM CDT | Flash Flood Warning | LOT | Ford, Livingston | 3 hr |
| May 11, 9:15 PM CDT | Flash Flood Warning | LOT | Ford, Iroquois | 6 hr |
| May 11, 9:16 PM CDT | River Flood Advisory | LOT | Will | 53 hr |
| May 12, 9:09 AM CDT | Small Craft Advisory | LOT | 12 hr | |
| May 12, 9:34 AM CDT | Marine Dense Fog Advisory | LOT | 23 hr | |
| May 12, 2:56 PM CDT | Severe Thunderstorm Warning | LOT | Boone, Winnebago | 49 min |
| May 12, 5:53 PM CDT | Severe Thunderstorm Warning | LOT | LaSalle | 67 min |
| May 12, 6:15 PM CDT | Special Weather Statement | LOT | Lake | 45 min |
| May 12, 6:20 PM CDT | Special Marine Warning | LOT | 85 min | |
| May 12, 6:27 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Lake | 48 min |
| May 12, 6:32 PM CDT | Severe Thunderstorm Warning | LOT | DeKalb, LaSalle | 58 min |
| May 12, 6:39 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage | 36 min |
| May 11, 7:03 PM CDT | Severe Thunderstorm Warning | LOT | Porter | 42 min |
| May 11, 7:39 PM CDT | Flash Flood Warning | LOT | Jasper, Lake, Newton, Porter | 6 hr |
| May 11, 7:54 PM CDT | Tornado Warning | LOT | Jasper, Newton | 51 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2014Every severe thunderstorm warning in 2014
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.